Bump actions/setup-python from 6 to 7

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 6 to 7.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](https://github.com/actions/setup-python/compare/v6...v7)

---
updated-dependencies:
- dependency-name: actions/setup-python
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/dependabot.yml

@@ -0,0 +1,11 @@
+version: 2
+updates:
+  - package-ecosystem: "pip"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/workflows/test.yml

@@ -0,0 +1,27 @@
+name: Tests
+
+on: [ push, pull_request ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [ "3.8", "3.9", "3.10", "3.11", "3.12", "3.13" ]
+
+    steps:
+      - uses: actions/checkout@v6
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v7
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: |
+          pip install poetry
+          poetry install --no-interaction --no-root --with dev
+
+      - name: Run tests with pytest
+        run: |
+          poetry run pytest tests/ -v --cov=cbz --cov-report=xml --cov-report=term-missing

.gitignore

@@ -1,6 +1,8 @@
+# Created by https://github.com/github/gitignore/blob/main/Python.gitignore
+
 # Byte-compiled / optimized / DLL files
 __pycache__/
-*.py[cod]
+*.py[codz]
 *$py.class
 
 # C extensions
@@ -8,7 +10,6 @@ __pycache__/
 
 # Distribution / packaging
 .Python
-env/
 build/
 develop-eggs/
 dist/
@@ -21,13 +22,15 @@ parts/
 sdist/
 var/
 wheels/
+share/python-wheels/
 *.egg-info/
 .installed.cfg
 *.egg
+MANIFEST
 
 # PyInstaller
-#  Usually these files are written by a python script from a template
-#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+#   Usually these files are written by a python script from a template
+#   before PyInstaller builds the exe, so as to inject date/other infos into it.
 *.manifest
 *.spec
 
@@ -38,13 +41,17 @@ pip-delete-this-directory.txt
 # Unit test / coverage reports
 htmlcov/
 .tox/
+.nox/
 .coverage
 .coverage.*
 .cache
 nosetests.xml
 coverage.xml
 *.cover
+*.py.cover
 .hypothesis/
+.pytest_cache/
+cover/
 
 # Translations
 *.mo
@@ -53,6 +60,8 @@ coverage.xml
 # Django stuff:
 *.log
 local_settings.py
+db.sqlite3
+db.sqlite3-journal
 
 # Flask stuff:
 instance/
@@ -65,27 +74,90 @@ instance/
 docs/_build/
 
 # PyBuilder
+.pybuilder/
 target/
 
 # Jupyter Notebook
 .ipynb_checkpoints
 
-# pyenv
-.python-version
+# IPython
+profile_default/
+ipython_config.py
 
-# celery beat schedule file
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+# Pipfile.lock
+
+# UV
+#   Similar to Pipfile.lock, it is generally recommended to include uv.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+# uv.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+# poetry.lock
+# poetry.toml
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#   pdm recommends including project-wide configuration in pdm.toml, but excluding .pdm-python.
+#   https://pdm-project.org/en/latest/usage/project/#working-with-version-control
+# pdm.lock
+# pdm.toml
+.pdm-python
+.pdm-build/
+
+# pixi
+#   Similar to Pipfile.lock, it is generally recommended to include pixi.lock in version control.
+# pixi.lock
+#   Pixi creates a virtual environment in the .pixi directory, just like venv module creates one
+#   in the .venv directory. It is recommended not to include this directory in version control.
+.pixi
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
 celerybeat-schedule
+celerybeat.pid
+
+# Redis
+*.rdb
+*.aof
+*.pid
+
+# RabbitMQ
+mnesia/
+rabbitmq/
+rabbitmq-data/
+
+# ActiveMQ
+activemq-data/
 
 # SageMath parsed files
 *.sage.py
 
-# dotenv
+# Environments
 .env
-
-# virtualenv
+.envrc
 .venv
+env/
 venv/
 ENV/
+env.bak/
+venv.bak/
 
 # Spyder project settings
 .spyderproject
@@ -99,3 +171,54 @@ ENV/
 
 # mypy
 .mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#   JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#   be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#   and can be added to the global gitignore or merged into this file.  For a more nuclear
+#   option (not recommended) you can uncomment the following to ignore the entire idea folder.
+.idea/
+
+# Abstra
+#   Abstra is an AI-powered process automation framework.
+#   Ignore directories containing user credentials, local state, and settings.
+#   Learn more at https://abstra.io/docs
+.abstra/
+
+# Visual Studio Code
+#   Visual Studio Code specific template is maintained in a separate VisualStudioCode.gitignore 
+#   that can be found at https://github.com/github/gitignore/blob/main/Global/VisualStudioCode.gitignore
+#   and can be added to the global gitignore or merged into this file. However, if you prefer, 
+#   you could uncomment the following to ignore the entire vscode folder
+# .vscode/
+
+# Ruff stuff:
+.ruff_cache/
+
+# PyPI configuration file
+.pypirc
+
+# Marimo
+marimo/_static/
+marimo/_lsp/
+__marimo__/
+
+# Streamlit
+.streamlit/secrets.toml
+
+#CBZ
+*.cbz
+*.pdf
+*.zip
+*.cbr

.travis.yml

@@ -1,23 +0,0 @@
-language: python
-matrix:
-  include:
-    - python: 3.4
-      dist: trusty
-      sudo: false
-    - python: 3.5
-      dist: trusty
-      sudo: false
-    - python: 3.5-dev
-      dist: trusty
-      sudo: false
-    - python: 3.6
-      dist: trusty
-      sudo: false
-    - python: 3.6-dev
-      dist: trusty
-      sudo: false
-    - python: 3.7
-      dist: xenial
-      sudo: true
-install:
-  - python setup.py -q install

CHANGELOG.md

@@ -0,0 +1,308 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [4.0.0] - 2026-04-06
+
+### Added
+
+- Dataclass-based models (`ComicModel`, `PageModel`) with automatic XML field mapping via `xml_field()` metadata.
+- Sequence protocol on `ComicInfo`: `len(comic)`, `comic[i]`, `comic[0:3]`, `for page in comic`, `page in comic`.
+- Custom exception hierarchy: `CBZError`, `InvalidImageError`, `EmptyArchiveError`, `InvalidMetadataError`, `UnsupportedFormatError`.
+- `__version__` attribute exported from the `cbz` package.
+- Simplified top-level imports: `from cbz import ComicInfo, PageInfo, PageType, Format, ...`.
+- Complete CBZ format RFC specification in `docs/RFC-CBZ.md`.
+- `save()` now writes directly to disk (more memory-efficient for large archives).
+- Type hints cached with `lru_cache` for faster archive loading with many pages.
+
+### Changed
+
+- **Python 3.9+ required** (previously 3.8+).
+- `ComicModel` and `PageModel` rewritten as `@dataclass` classes (replaces custom `BaseModel` with field dictionaries).
+- All enumerations now inherit from `StrEnum` (backported `str, Enum` mixin for Python < 3.11).
+- Optional numeric fields (`number`, `year`, `volume`, etc.) now default to `None` instead of `-1`.
+- `Rating` validates `0.0-5.0` with `ValueError` instead of `assert` (default `0.0` instead of `-1`).
+- `LanguageISO` raises `ValueError` instead of `AssertionError` for invalid codes.
+- Removed `utils.verify_attr`, `utils.default_attr`, `utils.repr_attr` (replaced by dataclass defaults and enum handling).
+- Removed `COMIC_FIELDS` and `PAGE_FIELDS` dictionaries (replaced by dataclass field metadata).
+- `save()` writes directly to a file-backed `ZipFile` instead of going through an in-memory buffer.
+- All documentation, docstrings and comments rewritten in English.
+
+### Renamed
+
+- `Manga.RIGHT_LEFT` -> `Manga.YES_AND_RIGHT_TO_LEFT`
+- `AgeRating.ADULTS18` -> `AgeRating.ADULTS_ONLY_18_PLUS`
+- `AgeRating.CHILDHOOD` -> `AgeRating.EARLY_CHILDHOOD`
+- `AgeRating.EVERYONE10` -> `AgeRating.EVERYONE_10_PLUS`
+- `AgeRating.KIDS` -> `AgeRating.KIDS_TO_ADULTS`
+- `AgeRating.MA15` -> `AgeRating.MA15_PLUS`
+- `AgeRating.MATURE17` -> `AgeRating.MATURE_17_PLUS`
+- `AgeRating.R18` -> `AgeRating.R18_PLUS`
+- `AgeRating.PENDING` -> `AgeRating.RATING_PENDING`
+- `AgeRating.X18` -> `AgeRating.X18_PLUS`
+- `Format.BLACK_WHITE` -> `Format.BLACK_AND_WHITE`
+- `Format.DIRECTOR_CUT` -> `Format.DIRECTORS_CUT`
+- `Format.TRADE_PAPER_BACK` -> `Format.TRADE_PAPERBACK`
+- `Format.POINT1` -> `Format.POINT_ONE`
+- `IMAGE_FORMAT` -> `IMAGE_FORMATS`
+
+### Fixed
+
+- Image resource leak in the player when navigating pages.
+- ICO-to-PNG conversion resource leak in `utils.ico_to_png`.
+- `data.strip()` in `PageInfo.loads()` no longer copies the entire byte string for validation.
+
+### New Contributors
+
+- [chase-roohms](https://github.com/chase-roohms)
+
+## [3.4.5] - 2025-10-19
+
+### Changed
+
+- More flexible suffix checking to support complex archive paths.
+- Improved validation in `PageInfo.load()` to handle empty or invalid data correctly.
+
+## [3.4.4] - 2025-09-21
+
+### Added
+
+- Added `[pillow]` extension to support `.jxl` and `.avif` images.
+
+### Fixed
+
+- Files in the input archives are now sorted alphabetically.
+
+## [3.4.3] - 2025-08-31
+
+### Changed
+
+- Bump actions/checkout from 4 to 5.
+
+### Fixed
+
+- Fix ComicInfo XML parsing for single page comic.
+
+## [3.4.2] - 2025-07-26
+
+### Added
+
+- Adding CI tests.
+
+## [3.4.1] - 2025-07-11
+
+### Fixed
+
+- Fix installation instructions.
+
+## [3.4.0] - 2025-07-09
+
+### Added
+
+- Support for PDF files.
+- Support for CBR (Comic Book RAR) files.
+
+### Changed
+
+- Replaced `PyMuPDF` with `pypdf` for PDF handling.
+- Updated third-party license documentation for bundled libraries.
+
+### New Contributors
+
+- [tssujt](https://github.com/tssujt)
+
+## [3.3.7] - 2025-01-04
+
+### Fixed
+
+- Import error on Unix systems for the comic player.
+
+## [3.3.6] - 2024-12-22
+
+### Added
+
+- Option to not rename the name of image files loaded into pages.
+
+### Fixed
+
+- Removing deprecated datetime api for utcnow.
+
+## [3.3.5] - 2024-07-22
+
+### Fixed
+
+- Fix `Path` import using `pathlib`.
+
+## [3.3.4] - 2024-07-18
+
+### Fixed
+
+- Remove invalid dict key.
+- Fix invalid utc format.
+
+## [3.3.3] - 2024-07-18
+
+### Added
+
+- Reference links for XML schema.
+- New information fields in the XML.
+- Support PDF files via `cbzplayer` command.
+
+### Changed
+
+- Removed MD5 display in the player (irrelevant).
+- The displayed size in the player now reflects the total size of all images.
+- Simplified the closing XML `Page` tag.
+- Sorted `Page` keys in order.
+- Updated `ComicInfo.xsd` defining the CBZ standard.
+
+### Fixed
+
+- Fixed the `.jpg` constant preventing the use of certain images.
+- Fixed memory error related to the `pack()` method cache.
+- Fixed saving pages in XML to comply with the standard.
+- Added missing mandatory keys in the XML.
+
+## [3.3.2] - 2024-07-18
+
+### Added
+
+- Added zoom options for displaying images in the player.
+- Added scroll functionality for image display in the player, especially useful when images are zoomed.
+
+### Changed
+
+- Set a default standard size.
+
+### Fixed
+
+- Fix lag when stretching player.
+- Fix XML parsing for CBZ files with a single page.
+- Fix image positioning within the player.
+
+### New Contributors
+
+- [gokender](https://github.com/gokender)
+
+## [3.3.1] - 2024-07-15
+
+### Added
+
+- Added `from_pdf` method to convert `.pdf` files to `.cbz`.
+
+### Changed
+
+- Set a default standard size.
+- Changed a keyboard shortcut that prevented copying information.
+
+### Fixed
+
+- Fixed the icon display for Linux in the player.
+- Fixed the taskbar icon for Windows in the player.
+- Fixed the player margins.
+- Automatically detect the player size based on the smallest image.
+
+### New Contributors
+
+- [flolep2607](https://github.com/flolep2607)
+
+## [3.3.0] - 2024-07-14
+
+### Added
+
+- Type value verification.
+- Load ComicInfo from a `cbz` file.
+- Built-in reader for dynamic viewing.
+- Image compatibility checking.
+- Added `save` method to directly save a page or comic.
+- Display additional file information via the player.
+
+### Changed
+
+- Complete code refactoring.
+- `pages` variable now public for native page manipulation in Python.
+- Optimized `pack` function with caching.
+- Library now supports loading `zip` files containing only images.
+
+### Fixed
+
+- Default value definitions.
+- Corrected values written to XML.
+
+### New Contributors
+
+- [piskunqa](https://github.com/piskunqa)
+- [OleskiiPyskun](https://github.com/OleskiiPyskun)
+- [domenicoblanco](https://github.com/domenicoblanco)
+- [RivMt](https://github.com/RivMt)
+
+## [3.2.0] - 2024-03-17
+
+### Changed
+
+- New code structure.
+- Deleting temporary files usage.
+- Automatic correction of variable types.
+- Simplifying constants.
+- Binary input support for pages.
+- Project `pycbzhelper` renamed to `cbz`.
+
+## [3.1.2] - 2023-08-13
+
+### Fixed
+
+- Fixed missing `Tags` key, thanks to @RivMt
+
+## [3.1.1] - 2023-06-04
+
+### Changed
+
+- Update `README.md`.
+
+## [3.1.0] - 2023-06-04
+
+### Added
+
+- Installation with pip.
+- Support for non-existent location.
+- Support for web loading errors of pages.
+
+### Fixed
+
+- Fixed page support.
+
+### Changed
+
+- New name of some variables.
+- Automatic cleanup of temporary files.
+- New location for temporary files.
+- File path now uses `pathlib`.
+
+## [3.0.1] - 2023-02-06
+
+### Added
+
+- Initial release.
+
+[4.0.0]: https://github.com/hyugogirubato/cbz/releases/tag/v4.0.0
+[3.4.5]: https://github.com/hyugogirubato/cbz/releases/tag/v3.4.5
+[3.4.4]: https://github.com/hyugogirubato/cbz/releases/tag/v3.4.4
+[3.4.3]: https://github.com/hyugogirubato/cbz/releases/tag/v3.4.3
+[3.4.2]: https://github.com/hyugogirubato/cbz/releases/tag/v3.4.2
+[3.4.1]: https://github.com/hyugogirubato/cbz/releases/tag/v3.4.1
+[3.4.0]: https://github.com/hyugogirubato/cbz/releases/tag/v3.4.0
+[3.3.7]: https://github.com/hyugogirubato/cbz/releases/tag/v3.3.7
+[3.3.6]: https://github.com/hyugogirubato/cbz/releases/tag/v3.3.6
+[3.3.5]: https://github.com/hyugogirubato/cbz/releases/tag/v3.3.5
+[3.3.4]: https://github.com/hyugogirubato/cbz/releases/tag/v3.3.4
+[3.3.3]: https://github.com/hyugogirubato/cbz/releases/tag/v3.3.3
+[3.3.2]: https://github.com/hyugogirubato/cbz/releases/tag/v3.3.2
+[3.3.1]: https://github.com/hyugogirubato/cbz/releases/tag/v3.3.1
+[3.3.0]: https://github.com/hyugogirubato/cbz/releases/tag/v3.3.0
+[3.2.0]: https://github.com/hyugogirubato/cbz/releases/tag/v3.2.0
+[3.1.2]: https://github.com/hyugogirubato/cbz/releases/tag/v3.1.2
+[3.1.1]: https://github.com/hyugogirubato/cbz/releases/tag/v3.1.1
+[3.1.0]: https://github.com/hyugogirubato/cbz/releases/tag/v3.1.0
+[3.0.1]: https://github.com/hyugogirubato/cbz/releases/tag/v3.0.1

LICENSE

@@ -1,674 +1,21 @@
-                    GNU GENERAL PUBLIC LICENSE
-                       Version 3, 29 June 2007
-
- Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
- Everyone is permitted to copy and distribute verbatim copies
- of this license document, but changing it is not allowed.
-
-                            Preamble
-
-  The GNU General Public License is a free, copyleft license for
-software and other kinds of works.
-
-  The licenses for most software and other practical works are designed
-to take away your freedom to share and change the works.  By contrast,
-the GNU General Public License is intended to guarantee your freedom to
-share and change all versions of a program--to make sure it remains free
-software for all its users.  We, the Free Software Foundation, use the
-GNU General Public License for most of our software; it applies also to
-any other work released this way by its authors.  You can apply it to
-your programs, too.
-
-  When we speak of free software, we are referring to freedom, not
-price.  Our General Public Licenses are designed to make sure that you
-have the freedom to distribute copies of free software (and charge for
-them if you wish), that you receive source code or can get it if you
-want it, that you can change the software or use pieces of it in new
-free programs, and that you know you can do these things.
-
-  To protect your rights, we need to prevent others from denying you
-these rights or asking you to surrender the rights.  Therefore, you have
-certain responsibilities if you distribute copies of the software, or if
-you modify it: responsibilities to respect the freedom of others.
-
-  For example, if you distribute copies of such a program, whether
-gratis or for a fee, you must pass on to the recipients the same
-freedoms that you received.  You must make sure that they, too, receive
-or can get the source code.  And you must show them these terms so they
-know their rights.
-
-  Developers that use the GNU GPL protect your rights with two steps:
-(1) assert copyright on the software, and (2) offer you this License
-giving you legal permission to copy, distribute and/or modify it.
-
-  For the developers' and authors' protection, the GPL clearly explains
-that there is no warranty for this free software.  For both users' and
-authors' sake, the GPL requires that modified versions be marked as
-changed, so that their problems will not be attributed erroneously to
-authors of previous versions.
-
-  Some devices are designed to deny users access to install or run
-modified versions of the software inside them, although the manufacturer
-can do so.  This is fundamentally incompatible with the aim of
-protecting users' freedom to change the software.  The systematic
-pattern of such abuse occurs in the area of products for individuals to
-use, which is precisely where it is most unacceptable.  Therefore, we
-have designed this version of the GPL to prohibit the practice for those
-products.  If such problems arise substantially in other domains, we
-stand ready to extend this provision to those domains in future versions
-of the GPL, as needed to protect the freedom of users.
-
-  Finally, every program is threatened constantly by software patents.
-States should not allow patents to restrict development and use of
-software on general-purpose computers, but in those that do, we wish to
-avoid the special danger that patents applied to a free program could
-make it effectively proprietary.  To prevent this, the GPL assures that
-patents cannot be used to render the program non-free.
-
-  The precise terms and conditions for copying, distribution and
-modification follow.
-
-                       TERMS AND CONDITIONS
-
-  0. Definitions.
-
-  "This License" refers to version 3 of the GNU General Public License.
-
-  "Copyright" also means copyright-like laws that apply to other kinds of
-works, such as semiconductor masks.
-
-  "The Program" refers to any copyrightable work licensed under this
-License.  Each licensee is addressed as "you".  "Licensees" and
-"recipients" may be individuals or organizations.
-
-  To "modify" a work means to copy from or adapt all or part of the work
-in a fashion requiring copyright permission, other than the making of an
-exact copy.  The resulting work is called a "modified version" of the
-earlier work or a work "based on" the earlier work.
-
-  A "covered work" means either the unmodified Program or a work based
-on the Program.
-
-  To "propagate" a work means to do anything with it that, without
-permission, would make you directly or secondarily liable for
-infringement under applicable copyright law, except executing it on a
-computer or modifying a private copy.  Propagation includes copying,
-distribution (with or without modification), making available to the
-public, and in some countries other activities as well.
-
-  To "convey" a work means any kind of propagation that enables other
-parties to make or receive copies.  Mere interaction with a user through
-a computer network, with no transfer of a copy, is not conveying.
-
-  An interactive user interface displays "Appropriate Legal Notices"
-to the extent that it includes a convenient and prominently visible
-feature that (1) displays an appropriate copyright notice, and (2)
-tells the user that there is no warranty for the work (except to the
-extent that warranties are provided), that licensees may convey the
-work under this License, and how to view a copy of this License.  If
-the interface presents a list of user commands or options, such as a
-menu, a prominent item in the list meets this criterion.
-
-  1. Source Code.
-
-  The "source code" for a work means the preferred form of the work
-for making modifications to it.  "Object code" means any non-source
-form of a work.
-
-  A "Standard Interface" means an interface that either is an official
-standard defined by a recognized standards body, or, in the case of
-interfaces specified for a particular programming language, one that
-is widely used among developers working in that language.
-
-  The "System Libraries" of an executable work include anything, other
-than the work as a whole, that (a) is included in the normal form of
-packaging a Major Component, but which is not part of that Major
-Component, and (b) serves only to enable use of the work with that
-Major Component, or to implement a Standard Interface for which an
-implementation is available to the public in source code form.  A
-"Major Component", in this context, means a major essential component
-(kernel, window system, and so on) of the specific operating system
-(if any) on which the executable work runs, or a compiler used to
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+SOFTWARE.

README.md

@@ -1,40 +1,403 @@
-# pydvdfab
-[![License: GPL v3](https://img.shields.io/badge/License-GPL%20v3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0)
-[![Release](https://img.shields.io/github/release-date/hyugogirubato/pycbzhelper?style=plastic)](https://github.com/hyugogirubato/pycbzhelper/releases)
-![Total Downloads](https://img.shields.io/github/downloads/hyugogirubato/pycbzhelper/total.svg?style=plastic)
+# CBZ
 
-Python library to create a cbz file with metadata.
+CBZ is a Python library designed for creating, manipulating, and viewing comic book files in CBZ, CBR, and PDF formats. It offers a straightforward interface to pack comic pages into CBZ archives, extract metadata from CBZ and CBR files, and display comics using a built-in player.
 
-# Usage
+## Features
 
-### Basic Usage
+- Seamless installation via [pip](#installation)
+- Pack images into CBZ format for comics and manga
+- Extract and manage metadata: title, series, format, and more
+- Handle comic pages with attributes like type, dimensions, and bookmarks
+- Unpack CBZ and CBR files to retrieve comic information, or extract images from PDF files
+- Built-in player for viewing CBZ, CBR, and PDF comics
+- Sequence protocol: iterate, index, and slice comic pages directly
+- Dataclass-based models with automatic XML mapping and strict type validation
+- Image support: JPEG, PNG, GIF, BMP, TIFF, WebP, JPEG XL, AVIF
+- Fully open-source! Pull requests welcome
 
-```python
->>> import os
->>> from pycbzhelper import Helper
->>> metadata = {
->>>     "Title": "T1 - Arrête de me chauffer, Nagatoro",
->>>     "Series": "Arrête de me chauffer, Nagatoro",
->>>     "Number": "1",
->>>     "Count": 8,
->>>     "Volume": 1
->>>     ...
->>> }
->>> ...
->>> helper = Helper(metadata)
->>> helper.save_cbz(
-...     path=os.path.join("eBooks", "Arrête de me chauffer, Nagatoro"),
-...     file="T1 - Arrête de me chauffer, Nagatoro",
-...     clear=False,
-...     replace=True
-... )
+## Installation
+
+Install CBZ from PyPI using pip:
+
+```shell
+pip install cbz
 ```
 
-# Installation
+With AVIF and JPEG XL support:
 
-To install, you can either clone the repository and run `python setup.py install`
+```shell
+pip install cbz[pillow]
+```
 
-## About
-- Graphical metadata editing software [here](https://github.com/comictagger/comictagger)
-- Standard ComicInfo file structure information [here](https://github.com/Kussie/ComicInfoStandard)
-- New version of ComicInfo file structure [here](https://github.com/anansi-project/comicinfo)
+## Quick Start
+
+Here's a quick example of how to create a CBZ file from a series of images:
+
+```python
+from pathlib import Path
+
+from cbz import ComicInfo, PageInfo, PageType, Format, YesNo, Manga, AgeRating
+
+if __name__ == "__main__":
+    paths = sorted(Path("path/to/your/images").iterdir())
+
+    # Load each page from the images folder into a list of PageInfo objects
+    pages = [
+        PageInfo.load(
+            path=path,
+            type=(
+                PageType.FRONT_COVER if i == 0
+                else PageType.BACK_COVER if i == len(paths) - 1
+                else PageType.STORY
+            ),
+        )
+        for i, path in enumerate(paths)
+    ]
+
+    # Create a ComicInfo object with metadata
+    comic = ComicInfo.from_pages(
+        pages=pages,
+        title="Your Comic Title",
+        series="Your Comic Series",
+        number=1,
+        language_iso="en",
+        format=Format.WEB_COMIC,
+        black_white=YesNo.NO,
+        manga=Manga.NO,
+        age_rating=AgeRating.RATING_PENDING,
+    )
+
+    # Display the comic in the built-in reader
+    comic.show()
+
+    # Save directly as a CBZ file
+    comic.save("your_comic.cbz")
+
+    # Or pack to bytes for custom handling
+    cbz_content = comic.pack()
+    Path("your_comic.cbz").write_bytes(cbz_content)
+```
+
+## Player
+
+CBZ includes a command-line player for viewing comic book files in multiple formats. Simply run `cbzplayer <file>` to launch the player with the specified comic book file.
+
+### Supported Formats
+
+- **CBZ** (Comic Book ZIP) - Standard ZIP archives containing images and metadata
+- **CBR** (Comic Book RAR) - RAR archives containing images and metadata
+- **PDF** - Portable Document Format files with embedded images (images only, no metadata)
+
+### Usage
+
+```shell
+usage: cbzplayer [-h] <file>
+
+CBZ/CBR/PDF comic reader
+
+positional arguments:
+<file>      Path to the CBZ, CBR or PDF comic book file.
+
+options:
+-h, --help  show this help message and exit
+```
+
+### Examples
+
+```shell
+# View a CBZ file
+cbzplayer my_comic.cbz
+
+# View a CBR file
+cbzplayer my_comic.cbr
+
+# View a PDF file
+cbzplayer my_comic.pdf
+```
+
+### Keyboard Shortcuts
+
+| Shortcut            | Action            |
+|---------------------|-------------------|
+| Left / Right arrows | Navigate pages    |
+| + / -               | Zoom in / out     |
+| Ctrl+Q              | Quit              |
+| Mouse wheel         | Vertical scroll   |
+| Shift+Mouse wheel   | Horizontal scroll |
+| Ctrl+Mouse wheel    | Zoom              |
+
+### Requirements for CBR Support
+
+CBR file support requires:
+
+- The `rarfile` Python package (automatically installed with CBZ)
+- An external RAR extraction tool such as:
+    - `unrar` (recommended) - Available in most package managers
+    - `rar` - Commercial RAR archiver
+    - `7zip` - Free alternative with RAR support
+
+For installation instructions and compatibility details, see the [rarfile documentation](https://github.com/markokr/rarfile).
+
+## Detailed Usage
+
+### Creating a ComicInfo Object
+
+The `ComicInfo` class represents a comic book with metadata and pages. It supports initialization from a list of `PageInfo` objects:
+
+```python
+from cbz import ComicInfo, PageInfo, PageType, Format, YesNo, Manga, AgeRating
+
+pages = [
+    PageInfo.load(path="page1.jpg", type=PageType.FRONT_COVER),
+    PageInfo.load(path="page2.jpg", type=PageType.STORY),
+    PageInfo.load(path="page3.jpg", type=PageType.BACK_COVER),
+]
+
+comic = ComicInfo.from_pages(
+    pages=pages,
+    title="My Comic",
+    series="Comic Series",
+    number=1,
+    language_iso="en",
+    format=Format.WEB_COMIC,
+    black_white=YesNo.NO,
+    manga=Manga.NO,
+    age_rating=AgeRating.RATING_PENDING,
+)
+```
+
+You can also create pages directly from bytes or base64-encoded data:
+
+```python
+page = PageInfo.loads(data=image_bytes, name="page.jpg", type=PageType.STORY)
+```
+
+### Sequence Protocol
+
+`ComicInfo` implements the full sequence protocol, so you can interact with pages directly:
+
+```python
+len(comic)  # Number of pages
+comic[0]  # First page
+comic[-1]  # Last page
+comic[1:3]  # Slice of pages
+for page in comic:  # Iteration
+    print(page.image_width, page.image_height)
+page in comic  # Containment check
+```
+
+### Extracting Metadata
+
+Retrieve comic information as a dictionary using `get_info()`:
+
+```python
+info = comic.get_info()
+print(info)
+```
+
+### Packing and Saving
+
+Pack the comic into CBZ format as bytes:
+
+```python
+cbz_content = comic.pack()
+```
+
+Or save directly to disk (more memory-efficient for large archives):
+
+```python
+comic.save("output.cbz")
+```
+
+### Loading from Different Formats
+
+Load a comic from an existing CBZ file (with metadata):
+
+```python
+comic = ComicInfo.from_cbz("your_comic.cbz")
+```
+
+Load a comic from an existing CBR file (with metadata):
+
+```python
+comic = ComicInfo.from_cbr("your_comic.cbr")
+```
+
+Load a comic from a PDF file (images only, no metadata):
+
+```python
+comic = ComicInfo.from_pdf("your_comic.pdf")
+```
+
+**Notes:**
+
+- CBR support requires an external RAR extraction tool. For detailed compatibility information and advanced configuration, see the [rarfile documentation](https://github.com/markokr/rarfile).
+- PDF files only provide image content; comic metadata (title, series, etc.) is not available from PDF files.
+
+### Page Properties
+
+Each `PageInfo` object exposes the following properties, automatically extracted from the image content:
+
+```python
+page = comic[0]
+
+page.content  # bytes - raw image data
+page.image_width  # int - width in pixels
+page.image_height  # int - height in pixels
+page.image_size  # int - file size in bytes
+page.suffix  # str - file extension (.jpg, .png, etc.)
+page.name  # str - original file name
+page.type  # PageType - page type (FrontCover, Story, etc.)
+page.bookmark  # str - bookmark / chapter name
+page.double  # bool - double page spread
+```
+
+### Metadata Fields
+
+All [ComicInfo.xml](docs/RFC-CBZ.md) v2.1 metadata fields are supported as dataclass attributes:
+
+| Attribute                | Type               | Default   | Description                              |
+|--------------------------|--------------------|-----------|------------------------------------------|
+| `title`                  | `str`              | `""`      | Issue title                              |
+| `series`                 | `str`              | `""`      | Series name                              |
+| `number`                 | `Optional[int]`    | `None`    | Issue number                             |
+| `count`                  | `Optional[int]`    | `None`    | Total number of issues                   |
+| `volume`                 | `Optional[int]`    | `None`    | Volume number                            |
+| `year`                   | `Optional[int]`    | `None`    | Publication year                         |
+| `month`                  | `Optional[int]`    | `None`    | Publication month                        |
+| `day`                    | `Optional[int]`    | `None`    | Publication day                          |
+| `writer`                 | `str`              | `""`      | Writer(s), comma-separated               |
+| `penciller`              | `str`              | `""`      | Pencil artist(s)                         |
+| `inker`                  | `str`              | `""`      | Inker(s)                                 |
+| `colorist`               | `str`              | `""`      | Colorist(s)                              |
+| `letterer`               | `str`              | `""`      | Letterer(s)                              |
+| `cover_artist`           | `str`              | `""`      | Cover artist(s)                          |
+| `editor`                 | `str`              | `""`      | Editor(s)                                |
+| `translator`             | `str`              | `""`      | Translator(s)                            |
+| `publisher`              | `str`              | `""`      | Publisher                                |
+| `imprint`                | `str`              | `""`      | Publisher imprint                        |
+| `genre`                  | `str`              | `""`      | Genre(s), comma-separated                |
+| `tags`                   | `str`              | `""`      | Tags, comma-separated                    |
+| `web`                    | `str`              | `""`      | Web URL                                  |
+| `language_iso`           | `LanguageISO`      | `""`      | ISO language code (e.g., `"en"`, `"fr"`) |
+| `format`                 | `Format`           | `UNKNOWN` | Publication format                       |
+| `black_white`            | `YesNo`            | `UNKNOWN` | Black and white                          |
+| `manga`                  | `Manga`            | `UNKNOWN` | Manga / reading direction                |
+| `age_rating`             | `AgeRating`        | `UNKNOWN` | Content age rating                       |
+| `community_rating`       | `Optional[Rating]` | `None`    | Community rating (0.0-5.0)               |
+| `summary`                | `str`              | `""`      | Synopsis / description                   |
+| `characters`             | `str`              | `""`      | Character names, comma-separated         |
+| `teams`                  | `str`              | `""`      | Team names, comma-separated              |
+| `locations`              | `str`              | `""`      | Locations, comma-separated               |
+| `story_arc`              | `str`              | `""`      | Story arc name                           |
+| `story_arc_number`       | `Optional[int]`    | `None`    | Position in story arc                    |
+| `main_character_or_team` | `str`              | `""`      | Primary character or team                |
+| `scan_information`       | `str`              | `""`      | Scan / digitization notes                |
+| `ean`                    | `str`              | `""`      | EAN / ISBN                               |
+| `book_price`             | `str`              | `""`      | Cover price                              |
+
+### Enumerations
+
+```python
+from cbz import PageType, Format, YesNo, Manga, AgeRating
+
+# Page types
+PageType.FRONT_COVER  # Front cover
+PageType.STORY  # Story page (default)
+PageType.BACK_COVER  # Back cover
+PageType.INNER_COVER  # Inner cover / dust jacket
+PageType.ADVERTISEMENT  # Advertisement
+PageType.EDITORIAL  # Editorial / credits
+PageType.LETTERS  # Letters page
+PageType.PREVIEW  # Preview of upcoming issues
+PageType.ROUNDUP  # Recap / summary
+PageType.OTHER  # Other
+PageType.DELETED  # Marked for deletion
+
+# Publication formats
+Format.SERIES  # Regular series
+Format.GRAPHIC_NOVEL  # Graphic novel
+Format.WEB_COMIC  # Webcomic
+Format.ONE_SHOT  # One-shot
+Format.TRADE_PAPERBACK  # Trade paperback
+Format.ANNUAL  # Annual
+Format.ANTHOLOGY  # Anthology
+Format.LIMITED_SERIES  # Limited series
+Format.MAGAZINE  # Magazine
+# ... and more
+
+# Reading direction
+Manga.UNKNOWN  # Not specified
+Manga.NO  # Western (left to right)
+Manga.YES  # Manga
+Manga.YES_AND_RIGHT_TO_LEFT  # Manga (right to left)
+
+# Age ratings
+AgeRating.UNKNOWN  # Not rated
+AgeRating.EVERYONE  # All ages
+AgeRating.TEEN  # Teens
+AgeRating.MATURE_17_PLUS  # Mature 17+
+AgeRating.RATING_PENDING  # Rating pending
+# ... and more
+```
+
+### Error Handling
+
+The library provides a hierarchy of specific exceptions:
+
+```python
+from cbz import CBZError, InvalidImageError, EmptyArchiveError, InvalidMetadataError
+
+try:
+    comic = ComicInfo.from_cbz("corrupted.cbz")
+except InvalidMetadataError:
+    print("ComicInfo.xml is invalid or corrupted")
+except EmptyArchiveError:
+    print("No valid images found in the archive")
+except InvalidImageError:
+    print("An image in the archive could not be read")
+except CBZError:
+    print("General CBZ error")
+```
+
+## Format Specification
+
+A complete RFC specification of the CBZ format is available in [`docs/RFC-CBZ.md`](docs/RFC-CBZ.md).
+
+The ComicInfo.xml XSD schemas (v1.0, v2.0, v2.1) are in [`docs/schema/`](docs/schema/).
+
+## Changelog
+
+See [`CHANGELOG.md`](CHANGELOG.md) for the full version history, including migration notes for v4.0.
+
+## Contributors
+
+<a href="https://github.com/hyugogirubato"><img src="https://images.weserv.nl/?url=avatars.githubusercontent.com/u/65763543?v=4&h=25&w=25&fit=cover&mask=circle&maxage=7d" alt="hyugogirubato"/></a>
+<a href="https://github.com/piskunqa"><img src="https://images.weserv.nl/?url=avatars.githubusercontent.com/u/38443069?v=4&h=25&w=25&fit=cover&mask=circle&maxage=7d" alt="piskunqa"/></a>
+<a href="https://github.com/OleskiiPyskun"><img src="https://images.weserv.nl/?url=avatars.githubusercontent.com/u/75667382?v=4&h=25&w=25&fit=cover&mask=circle&maxage=7d" alt="OleskiiPyskun"/></a>
+<a href="https://github.com/tssujt"><img src="https://images.weserv.nl/?url=avatars.githubusercontent.com/u/17313425?v=4&h=25&w=25&fit=cover&mask=circle&maxage=7d" alt="tssujt"/></a>
+<a href="https://github.com/gokender"><img src="https://images.weserv.nl/?url=avatars.githubusercontent.com/u/3709740?v=4&h=25&w=25&fit=cover&mask=circle&maxage=7d" alt="gokender"/></a>
+<a href="https://github.com/domenicoblanco"><img src="https://images.weserv.nl/?url=avatars.githubusercontent.com/u/9018104?v=4&h=25&w=25&fit=cover&mask=circle&maxage=7d" alt="domenicoblanco"/></a>
+<a href="https://github.com/RivMt"><img src="https://images.weserv.nl/?url=avatars.githubusercontent.com/u/40086827?v=4&h=25&w=25&fit=cover&mask=circle&maxage=7d" alt="RivMt"/></a>
+<a href="https://github.com/flolep2607"><img src="https://images.weserv.nl/?url=avatars.githubusercontent.com/u/24566964?v=4&h=25&w=25&fit=cover&mask=circle&maxage=7d" alt="flolep2607"/></a>
+<a href="https://github.com/chase-roohms"><img src="https://images.weserv.nl/?url=avatars.githubusercontent.com/u/131704514?v=4&h=25&w=25&fit=cover&mask=circle&maxage=7d" alt="chase-roohms"/></a>
+
+## Licensing
+
+This software is licensed under the terms of [MIT License](LICENSE). You can find a copy of the license in the LICENSE file in the root folder.
+
+### Third-Party Licenses
+
+This project uses the following third-party libraries:
+
+- **[langcodes](https://pypi.org/project/langcodes/)** - MIT License
+- **[Pillow](https://pypi.org/project/Pillow/)** - HPND License
+- **[pillow-avif-plugin](https://pypi.org/project/pillow-avif-plugin/)** - MIT License
+- **[pillow-jxl-plugin](https://pypi.org/project/pillow-jxl-plugin/)** - MIT License
+- **[pypdf](https://pypi.org/project/pypdf/)** - BSD License
+- **[rarfile](https://pypi.org/project/rarfile/)** - ISC License
+- **[xmltodict](https://pypi.org/project/xmltodict/)** - MIT License
+
+---
+
+© hyugogirubato

cbz/__init__.py

@@ -0,0 +1,50 @@
+"""
+CBZ - Python library for digital comic book management.
+
+Supports creating, manipulating and viewing CBZ (Comic Book ZIP),
+CBR (Comic Book RAR) and PDF files.
+"""
+
+from cbz.comic import ComicInfo
+from cbz.page import PageInfo
+from cbz.constants import (
+    AgeRating,
+    Format,
+    LanguageISO,
+    Manga,
+    PageType,
+    Rating,
+    YesNo
+)
+from cbz.exceptions import (
+    CBZError,
+    EmptyArchiveError,
+    InvalidImageError,
+    InvalidMetadataError,
+    UnsupportedFormatError
+)
+
+__version__ = "4.0.0"
+__all__ = [
+    "ComicInfo",
+    "PageInfo",
+    "AgeRating",
+    "Format",
+    "LanguageISO",
+    "Manga",
+    "PageType",
+    "Rating",
+    "YesNo",
+    "CBZError",
+    "EmptyArchiveError",
+    "InvalidImageError",
+    "InvalidMetadataError",
+    "UnsupportedFormatError"
+]
+
+# Load optional Pillow plugins (AVIF, JPEG XL)
+for _plugin in ("pillow_avif", "pillow_jxl"):
+    try:
+        __import__(_plugin)
+    except ImportError:
+        pass

cbz/__main__.py

@@ -0,0 +1,47 @@
+"""CLI entry point for the CBZ comic reader."""
+
+from __future__ import annotations
+
+import argparse
+import sys
+from pathlib import Path
+
+from cbz.comic import ComicInfo
+from cbz.exceptions import CBZError
+
+
+def main() -> None:
+    """Launch the comic reader with the specified file."""
+    parser = argparse.ArgumentParser(
+        description="CBZ/CBR/PDF comic reader"
+    )
+    parser.add_argument(
+        "comic_path",
+        type=Path,
+        metavar="<file>",
+        help="Path to the CBZ, CBR or PDF comic book file."
+    )
+    args = parser.parse_args()
+
+    path: Path = args.comic_path
+    if not path.is_file():
+        print(f"Error: file '{path}' does not exist.", file=sys.stderr)
+        sys.exit(1)
+
+    try:
+        suffix = path.suffix.lower()
+        if suffix == ".pdf":
+            comic = ComicInfo.from_pdf(path)
+        elif suffix == ".cbr":
+            comic = ComicInfo.from_cbr(path)
+        else:
+            comic = ComicInfo.from_cbz(path)
+
+        comic.show()
+    except CBZError as e:
+        print(f"Error: {e}", file=sys.stderr)
+        sys.exit(1)
+
+
+if __name__ == "__main__":
+    main()

cbz/comic.py

@@ -0,0 +1,373 @@
+"""
+Main CBZ comic management module.
+
+Provides the ComicInfo class to create, load, manipulate and
+save comics in CBZ, CBR and PDF formats.
+"""
+
+from __future__ import annotations
+
+import functools
+import logging
+import typing
+import zipfile
+from dataclasses import dataclass, field, fields
+from datetime import datetime, timezone
+from enum import Enum
+from io import BytesIO
+from pathlib import Path
+from typing import Iterator, List, Union
+
+import rarfile
+import xmltodict
+from pypdf import PdfReader
+
+from cbz.constants import IMAGE_FORMATS, XML_NAME
+from cbz.exceptions import EmptyArchiveError, InvalidMetadataError
+from cbz.models import ComicModel, PageModel
+from cbz.page import PageInfo
+
+logger = logging.getLogger(__name__)
+
+
+@functools.lru_cache(maxsize=None)
+def _resolve_type_hints(model_cls: type) -> dict:
+    """Resolve dataclass type annotations to actual types.
+
+    Handles optional types (Optional[X] / Union[X, None]) by
+    extracting the base type.
+    """
+    hints = typing.get_type_hints(model_cls)
+    resolved = {}
+    for name, hint in hints.items():
+        origin = getattr(hint, "__origin__", None)
+        if origin is Union:
+            # Optional[int] == Union[int, None] -> extract the non-None type
+            args = [a for a in hint.__args__ if a is not type(None)]
+            resolved[name] = args[0] if args else str
+        else:
+            resolved[name] = hint
+    return resolved
+
+
+def _extract_fields(items: dict, model_cls: type) -> dict:
+    """Extract and convert XML fields to Python model fields.
+
+    Iterates over the dataclass fields of model_cls, looks up the
+    XML correspondence in items, and converts values to the correct type.
+
+    Args:
+        items: Dictionary of parsed XML elements/attributes.
+        model_cls: Dataclass class (ComicModel or PageModel).
+
+    Returns:
+        Dictionary {python_name: converted_value}.
+    """
+    type_hints = _resolve_type_hints(model_cls)
+    result = {}
+    for f in fields(model_cls):
+        xml_name = f.metadata.get("xml_name")
+        if xml_name and xml_name in items:
+            raw = items[xml_name]
+            try:
+                field_type = type_hints.get(f.name, str)
+                result[f.name] = field_type(raw)
+            except (ValueError, KeyError):
+                logger.warning("Unable to convert field %s=%r", xml_name, raw)
+    return result
+
+
+def _serialize_fields(obj: object, model_cls: type) -> dict:
+    """Serialize object fields to an XML dictionary.
+
+    Ignores fields with default/empty values (empty strings, None, UNKNOWN).
+
+    Args:
+        obj: Model instance.
+        model_cls: Dataclass class of the model.
+
+    Returns:
+        Dictionary {xml_name: value} ready for XML serialization.
+    """
+    result = {}
+    for f in fields(model_cls):
+        xml_name = f.metadata.get("xml_name")
+        if not xml_name:
+            continue
+
+        value = getattr(obj, f.name)
+
+        # Skip default / empty values
+        if value is None:
+            continue
+        if isinstance(value, str) and not value:
+            continue
+        if isinstance(value, Enum) and value == f.default:
+            continue
+
+        # Convert enums to their string value
+        if isinstance(value, Enum):
+            result[xml_name] = value.value
+        else:
+            result[xml_name] = value
+
+    return result
+
+
+@dataclass
+class ComicInfo(ComicModel):
+    """Represents a complete comic with its metadata and pages.
+
+    Supports creation from images, loading from CBZ/CBR/PDF archives,
+    serialization to CBZ and display via the built-in viewer.
+
+    Implements the sequence protocol for page access:
+        - len(comic) returns the number of pages
+        - comic[i] returns page i
+        - for page in comic: iterates over pages
+
+    Attributes:
+        pages: List of comic pages.
+    """
+
+    pages: List[PageInfo] = field(default_factory=list)
+
+    # -- Alternative constructors (factory methods) --
+
+    @classmethod
+    def from_pages(cls, pages: List[PageInfo], **kwargs) -> ComicInfo:
+        """Create a ComicInfo from a list of pages and metadata.
+
+        Args:
+            pages: List of PageInfo objects.
+            **kwargs: Comic metadata (title, series, etc.).
+
+        Returns:
+            New ComicInfo instance.
+        """
+        return cls(pages=pages, **kwargs)
+
+    @classmethod
+    def _from_archive(cls, path: Union[Path, str], opener: type) -> ComicInfo:
+        """Load a comic from an archive file (CBZ or CBR).
+
+        Args:
+            path: Path to the archive file.
+            opener: Archive class (zipfile.ZipFile or rarfile.RarFile).
+
+        Returns:
+            ComicInfo instance with pages and metadata.
+        """
+        with opener(Path(path), "r") as archive:
+            return cls._process_archive(archive)
+
+    @classmethod
+    def from_cbz(cls, path: Union[Path, str]) -> ComicInfo:
+        """Load a comic from a CBZ (ZIP) file.
+
+        Args:
+            path: Path to the .cbz file.
+
+        Returns:
+            ComicInfo instance with pages and metadata.
+
+        Raises:
+            EmptyArchiveError: If the archive contains no images.
+        """
+        return cls._from_archive(path, zipfile.ZipFile)
+
+    @classmethod
+    def from_cbr(cls, path: Union[Path, str]) -> ComicInfo:
+        """Load a comic from a CBR (RAR) file.
+
+        Args:
+            path: Path to the .cbr file.
+
+        Returns:
+            ComicInfo instance with pages and metadata.
+
+        Raises:
+            EmptyArchiveError: If the archive contains no images.
+        """
+        return cls._from_archive(path, rarfile.RarFile)
+
+    @classmethod
+    def from_pdf(cls, path: Union[Path, str]) -> ComicInfo:
+        """Load a comic from a PDF file (image extraction).
+
+        Only images are extracted; PDF metadata is not converted
+        to ComicInfo metadata.
+
+        Args:
+            path: Path to the .pdf file.
+
+        Returns:
+            ComicInfo instance with extracted images.
+
+        Raises:
+            EmptyArchiveError: If the PDF contains no images.
+        """
+        pages: List[PageInfo] = []
+        reader = PdfReader(Path(path))
+        for pdf_page in reader.pages:
+            for image in pdf_page.images:
+                pages.append(PageInfo.loads(data=image.data))
+
+        if not pages:
+            raise EmptyArchiveError("No valid images found in PDF file")
+        return cls.from_pages(pages=pages)
+
+    # -- Sequence protocol --
+
+    def __len__(self) -> int:
+        """Number of pages in the comic."""
+        return len(self.pages)
+
+    def __getitem__(self, index):
+        """Access a page by index or slice."""
+        return self.pages[index]
+
+    def __iter__(self) -> Iterator[PageInfo]:
+        """Iterate over comic pages."""
+        return iter(self.pages)
+
+    def __contains__(self, page: PageInfo) -> bool:
+        """Check if a page belongs to the comic."""
+        return page in self.pages
+
+    # -- Internal methods --
+
+    @classmethod
+    def _process_archive(cls, archive) -> ComicInfo:
+        """Common processing for CBZ and CBR archives.
+
+        Extracts the ComicInfo.xml file if present, then loads
+        images sorted alphabetically.
+
+        Args:
+            archive: Open archive object (ZipFile or RarFile).
+
+        Returns:
+            ComicInfo instance.
+        """
+        pages: List[PageInfo] = []
+        names = sorted(archive.namelist())
+        comic_data: dict = {}
+
+        # Extract XML metadata
+        if XML_NAME in names:
+            with archive.open(XML_NAME, "r") as f:
+                try:
+                    comic_data = xmltodict.parse(
+                        f.read(), force_list=("Page",)
+                    ).get("ComicInfo", {})
+                except Exception as e:
+                    raise InvalidMetadataError(f"XML parsing error: {e}") from e
+            names.remove(XML_NAME)
+
+        # Extract comic fields
+        comic_kwargs = _extract_fields(comic_data, ComicModel)
+
+        # Extract page information
+        pages_info = comic_data.get("Pages", {}).get("Page", [])
+
+        for i, name in enumerate(names):
+            suffix = Path(name).suffix
+            if suffix.lower() not in IMAGE_FORMATS:
+                logger.warning("Skipping unsupported file: %r", name)
+                continue
+
+            with archive.open(name, "r") as f:
+                page_kwargs: dict = {}
+                if i < len(pages_info):
+                    page_kwargs = _extract_fields(pages_info[i], PageModel)
+                page_kwargs["name"] = Path(name).name
+                pages.append(PageInfo.loads(data=f.read(), **page_kwargs))
+
+        return cls.from_pages(pages=pages, **comic_kwargs)
+
+    def get_info(self) -> dict:
+        """Return comic metadata as an XML-ready dictionary.
+
+        Generates a dictionary ready for XML serialization via xmltodict,
+        including comic metadata, file information and page details.
+
+        Returns:
+            Structured dictionary for XML serialization.
+        """
+        comic_info = _serialize_fields(self, ComicModel)
+
+        # Build page information
+        comic_pages = []
+        for i, page in enumerate(self.pages):
+            page_info = _serialize_fields(page, PageModel)
+            page_info["@Image"] = i
+            comic_pages.append(dict(sorted(page_info.items())))
+
+        # File metadata
+        utcnow = datetime.now(timezone.utc).strftime("%Y-%m-%dT%H:%M:%S.%f")[:-3] + "Z"
+        comic_info.update({
+            "@xmlns:xsd": "http://www.w3.org/2001/XMLSchema",
+            "@xmlns:xsi": "http://www.w3.org/2001/XMLSchema-instance",
+            "FileSize": comic_info.get("FileSize", sum(p.image_size for p in self.pages)),
+            "FileCreationTime": comic_info.get("FileCreationTime", utcnow),
+            "FileModifiedTime": comic_info.get("FileModifiedTime", utcnow),
+            "PageCount": len(self.pages),
+            "Pages": {"Page": comic_pages},
+        })
+        return comic_info
+
+    def pack(self, rename: bool = True, compression: int = zipfile.ZIP_STORED) -> bytes:
+        """Pack the comic into CBZ format (ZIP archive).
+
+        Args:
+            rename: If True, rename pages to sequential format (page-001.jpg).
+            compression: ZIP compression method (default: ZIP_STORED).
+
+        Returns:
+            Binary data of the CBZ file.
+        """
+        buf = BytesIO()
+        with zipfile.ZipFile(buf, "w", compression) as zf:
+            # Write XML metadata
+            xml_content = xmltodict.unparse({"ComicInfo": self.get_info()}, pretty=True)
+            zf.writestr(XML_NAME, xml_content.replace("></Page>", " />").encode("utf-8"))
+
+            # Write pages
+            for i, page in enumerate(self.pages):
+                name = page.name
+                if not name or rename:
+                    name = f"page-{i + 1:03d}{page.suffix}"
+                zf.writestr(name, page.content)
+
+        data = buf.getvalue()
+        buf.close()
+        return data
+
+    def show(self) -> None:
+        """Display the comic in the built-in graphical viewer."""
+        from cbz.player import Player
+        player = Player(self)
+        player.run()
+
+    def save(self, path: Union[Path, str], rename: bool = True,
+             compression: int = zipfile.ZIP_STORED) -> None:
+        """Save the comic as a CBZ file directly to disk.
+
+        More memory-efficient than pack() for large comics since it
+        writes directly to the file without an intermediate buffer.
+
+        Args:
+            path: Destination file path for the .cbz file.
+            rename: If True, rename pages to sequential format (page-001.jpg).
+            compression: ZIP compression method (default: ZIP_STORED).
+        """
+        with zipfile.ZipFile(Path(path), "w", compression) as zf:
+            xml_content = xmltodict.unparse({"ComicInfo": self.get_info()}, pretty=True)
+            zf.writestr(XML_NAME, xml_content.replace("></Page>", " />").encode("utf-8"))
+
+            for i, page in enumerate(self.pages):
+                name = page.name
+                if not name or rename:
+                    name = f"page-{i + 1:03d}{page.suffix}"
+                zf.writestr(name, page.content)

cbz/constants.py

@@ -0,0 +1,143 @@
+"""
+Constants and types for the CBZ/ComicInfo format.
+
+Defines enumerations, supported types and field mappings
+conforming to the ComicInfo.xml v2.1 schema.
+"""
+
+from __future__ import annotations
+
+from enum import Enum
+from typing import Union
+
+from langcodes import Language
+
+
+class StrEnum(str, Enum):
+    """Backport of StrEnum for Python < 3.11."""
+
+    def __str__(self) -> str:
+        return self.value
+
+
+# Name of the XML metadata file inside the CBZ archive
+XML_NAME = "ComicInfo.xml"
+
+# Supported image formats in CBZ archives
+IMAGE_FORMATS: frozenset = frozenset({
+    ".jpeg", ".jpg", ".png", ".gif", ".bmp",
+    ".tiff", ".tif", ".webp", ".jxl", ".avif"
+})
+
+
+class YesNo(StrEnum):
+    """Ternary boolean: Unknown / No / Yes."""
+    UNKNOWN = "Unknown"
+    NO = "No"
+    YES = "Yes"
+
+
+class Manga(StrEnum):
+    """Comic reading direction."""
+    UNKNOWN = "Unknown"
+    NO = "No"
+    YES = "Yes"
+    YES_AND_RIGHT_TO_LEFT = "YesAndRightToLeft"
+
+
+class PageType(StrEnum):
+    """Page type within the archive."""
+    FRONT_COVER = "FrontCover"
+    INNER_COVER = "InnerCover"
+    ROUNDUP = "Roundup"
+    STORY = "Story"
+    ADVERTISEMENT = "Advertisement"
+    EDITORIAL = "Editorial"
+    LETTERS = "Letters"
+    PREVIEW = "Preview"
+    BACK_COVER = "BackCover"
+    OTHER = "Other"
+    DELETED = "Deleted"
+
+
+class AgeRating(StrEnum):
+    """Content age rating classification."""
+    UNKNOWN = "Unknown"
+    ADULTS_ONLY_18_PLUS = "Adults Only 18+"
+    EARLY_CHILDHOOD = "Early Childhood"
+    EVERYONE = "Everyone"
+    EVERYONE_10_PLUS = "Everyone 10+"
+    G = "G"
+    KIDS_TO_ADULTS = "Kids to Adults"
+    M = "M"
+    MA15_PLUS = "MA15+"
+    MATURE_17_PLUS = "Mature 17+"
+    PG = "PG"
+    R18_PLUS = "R18+"
+    RATING_PENDING = "Rating Pending"
+    TEEN = "Teen"
+    X18_PLUS = "X18+"
+
+
+class Format(StrEnum):
+    """Comic publication format."""
+    UNKNOWN = "Unknown"
+    ANNOTATION = "Annotation"
+    ANNUAL = "Annual"
+    ANTHOLOGY = "Anthology"
+    BLACK_AND_WHITE = "Black & White"
+    BOX_SET = "Box-Set"
+    CROSSOVER = "Crossover"
+    DIRECTORS_CUT = "Director's Cut"
+    EPILOGUE = "Epilogue"
+    EVENT = "Event"
+    FCBD = "FCBD"
+    FLYER = "Flyer"
+    GIANT_SIZE = "Giant-Size"
+    GRAPHIC_NOVEL = "Graphic Novel"
+    HARDCOVER = "Hard-Cover"
+    KING_SIZE = "King-Size"
+    LIMITED_SERIES = "Limited Series"
+    MAGAZINE = "Magazine"
+    NSFW = "NSFW"
+    ONE_SHOT = "One-Shot"
+    POINT_ONE = "Point 1"
+    PREVIEW = "Preview"
+    PROLOGUE = "Prologue"
+    REFERENCE = "Reference"
+    REVIEW = "Review"
+    REVIEWED = "Reviewed"
+    SCANLATION = "Scanlation"
+    SCRIPT = "Script"
+    SERIES = "Series"
+    SKETCH = "Sketch"
+    SPECIAL = "Special"
+    TRADE_PAPERBACK = "Trade Paper Back"
+    WEB_COMIC = "Web Comic"
+    YEAR_ONE = "Year One"
+
+
+class Rating(float):
+    """Community rating between 0.0 and 5.0 (None if unset)."""
+
+    def __new__(cls, value: Union[int, float] = 0.0) -> Rating:
+        val = float(value)
+        if not (0.0 <= val <= 5.0):
+            raise ValueError(f"Rating must be between 0.0 and 5.0, got {value}")
+        return super().__new__(cls, val)
+
+
+class LanguageISO(str):
+    """Valid ISO language code, validated via the langcodes library."""
+
+    def __new__(cls, value: str = "") -> LanguageISO:
+        val = str(value)
+        if val:
+            try:
+                if not Language.get(val).is_valid():
+                    raise ValueError(f"Invalid ISO language code: {value!r}")
+            except ValueError:
+                raise
+            except Exception as e:
+                raise ValueError(f"Invalid ISO language code: {value!r}") from e
+        return super().__new__(cls, val)

cbz/exceptions.py

@@ -0,0 +1,21 @@
+"""CBZ library-specific exceptions."""
+
+
+class CBZError(Exception):
+    """Base class for all CBZ errors."""
+
+
+class InvalidImageError(CBZError):
+    """The provided image is invalid or in an unsupported format."""
+
+
+class EmptyArchiveError(CBZError):
+    """The archive contains no valid images."""
+
+
+class InvalidMetadataError(CBZError):
+    """The ComicInfo.xml metadata is invalid or corrupted."""
+
+
+class UnsupportedFormatError(CBZError):
+    """The file format is not supported."""

cbz/models.py

@@ -0,0 +1,122 @@
+"""
+Data models for ComicInfo metadata.
+
+Uses dataclasses with field metadata for automatic mapping
+to/from the ComicInfo XML format.
+"""
+
+from __future__ import annotations
+
+from dataclasses import dataclass, field, fields
+from typing import Any, Optional
+
+from cbz.constants import (
+    AgeRating,
+    Format,
+    LanguageISO,
+    Manga,
+    PageType,
+    Rating,
+    YesNo
+)
+
+
+def xml_field(xml_name: str, is_attribute: bool = False, **kwargs: Any) -> Any:
+    """Create a dataclass field with XML mapping metadata.
+
+    Args:
+        xml_name: Corresponding XML element or attribute name.
+        is_attribute: True if this is an XML attribute (@ prefix), False for an element.
+        **kwargs: Additional arguments passed to dataclasses.field().
+    """
+    metadata = {"xml_name": xml_name, "is_attribute": is_attribute}
+    return field(metadata=metadata, **kwargs)
+
+
+def _get_xml_mapping(cls: type) -> dict:
+    """Return the mapping {python_name: (xml_name, type, is_attribute)} for a dataclass."""
+    mapping = {}
+    for f in fields(cls):
+        if "xml_name" in f.metadata:
+            mapping[f.name] = (f.metadata["xml_name"], f.type, f.metadata.get("is_attribute", False))
+    return mapping
+
+
+@dataclass
+class PageModel:
+    """Data model for a comic page.
+
+    Each field corresponds to an XML attribute in the <Page/> element.
+    Default values represent the absence of data.
+    """
+
+    type: PageType = xml_field("@Type", is_attribute=True, default=PageType.STORY)
+    double: bool = xml_field("@DoublePage", is_attribute=True, default=False)
+    image_size: int = xml_field("@ImageSize", is_attribute=True, default=0)
+    key: str = xml_field("@Key", is_attribute=True, default="")
+    bookmark: str = xml_field("@Bookmark", is_attribute=True, default="")
+    image_width: int = xml_field("@ImageWidth", is_attribute=True, default=0)
+    image_height: int = xml_field("@ImageHeight", is_attribute=True, default=0)
+
+    # Internal fields (not mapped to XML)
+    suffix: str = field(default="", repr=False)
+    name: str = field(default="", repr=False)
+
+
+@dataclass
+class ComicModel:
+    """Data model for comic metadata.
+
+    Each field corresponds to an XML element in <ComicInfo>.
+    None values indicate missing data (not serialized to XML).
+    """
+
+    title: str = xml_field("Title", default="")
+    series: str = xml_field("Series", default="")
+    number: Optional[int] = xml_field("Number", default=None)
+    count: Optional[int] = xml_field("Count", default=None)
+    volume: Optional[int] = xml_field("Volume", default=None)
+    alternate_series: str = xml_field("AlternateSeries", default="")
+    alternate_number: Optional[int] = xml_field("AlternateNumber", default=None)
+    alternate_count: Optional[int] = xml_field("AlternateCount", default=None)
+    summary: str = xml_field("Summary", default="")
+    notes: str = xml_field("Notes", default="")
+    year: Optional[int] = xml_field("Year", default=None)
+    month: Optional[int] = xml_field("Month", default=None)
+    day: Optional[int] = xml_field("Day", default=None)
+    writer: str = xml_field("Writer", default="")
+    penciller: str = xml_field("Penciller", default="")
+    inker: str = xml_field("Inker", default="")
+    colorist: str = xml_field("Colorist", default="")
+    letterer: str = xml_field("Letterer", default="")
+    cover_artist: str = xml_field("CoverArtist", default="")
+    editor: str = xml_field("Editor", default="")
+    translator: str = xml_field("Translator", default="")
+    publisher: str = xml_field("Publisher", default="")
+    imprint: str = xml_field("Imprint", default="")
+    genre: str = xml_field("Genre", default="")
+    tags: str = xml_field("Tags", default="")
+    web: str = xml_field("Web", default="")
+    format: Format = xml_field("Format", default=Format.UNKNOWN)
+    ean: str = xml_field("EAN", default="")
+    black_white: YesNo = xml_field("BlackAndWhite", default=YesNo.UNKNOWN)
+    manga: Manga = xml_field("Manga", default=Manga.UNKNOWN)
+    characters: str = xml_field("Characters", default="")
+    teams: str = xml_field("Teams", default="")
+    locations: str = xml_field("Locations", default="")
+    scan_information: str = xml_field("ScanInformation", default="")
+    story_arc: str = xml_field("StoryArc", default="")
+    story_arc_number: Optional[int] = xml_field("StoryArcNumber", default=None)
+    series_group: str = xml_field("SeriesGroup", default="")
+    age_rating: AgeRating = xml_field("AgeRating", default=AgeRating.UNKNOWN)
+    main_character_or_team: str = xml_field("MainCharacterOrTeam", default="")
+    review: str = xml_field("Review", default="")
+    language_iso: LanguageISO = xml_field("LanguageISO", default=LanguageISO(""))
+    community_rating: Optional[Rating] = xml_field("CommunityRating", default=None)
+    added: str = xml_field("Added", default="")
+    released: str = xml_field("Released", default="")
+    file_size: Optional[int] = xml_field("FileSize", default=None)
+    file_modified_time: str = xml_field("FileModifiedTime", default="")
+    file_creation_time: str = xml_field("FileCreationTime", default="")
+    book_price: str = xml_field("BookPrice", default="")
+    custom_values_store: str = xml_field("CustomValuesStore", default="")

cbz/page.py

@@ -0,0 +1,120 @@
+"""
+Comic page management module.
+
+Provides the PageInfo class to load, manipulate and save
+individual comic pages (images).
+"""
+
+from __future__ import annotations
+
+import base64
+from dataclasses import dataclass, field
+from io import BytesIO
+from pathlib import Path
+from typing import Union
+
+from PIL import Image
+
+from cbz.constants import IMAGE_FORMATS
+from cbz.exceptions import InvalidImageError
+from cbz.models import PageModel
+
+
+@dataclass
+class PageInfo(PageModel):
+    """Represents a comic page with its image content.
+
+    Inherits from PageModel for XML metadata and adds binary image
+    content management. Image metadata (dimensions, size, format)
+    is automatically extracted when content is assigned.
+
+    Attributes:
+        _content: Binary image data (accessed via the content property).
+    """
+
+    _content: bytes = field(default=b"", repr=False, compare=False)
+
+    @property
+    def content(self) -> bytes:
+        """Binary image data."""
+        return self._content
+
+    @content.setter
+    def content(self, value: bytes) -> None:
+        """Set content and automatically extract image metadata."""
+        try:
+            with Image.open(BytesIO(value)) as img:
+                self.suffix = f".{img.format.lower()}"
+                if self.suffix not in IMAGE_FORMATS:
+                    raise InvalidImageError(f"Unsupported image format: {self.suffix}")
+                self.image_width = img.width
+                self.image_height = img.height
+        except InvalidImageError:
+            raise
+        except Exception as e:
+            raise InvalidImageError(f"Unable to read image: {e}") from e
+        self.image_size = len(value)
+        self._content = value
+
+    def __post_init__(self) -> None:
+        """Validate content if provided at initialization."""
+        if self._content:
+            self.content = self._content
+
+    @classmethod
+    def loads(cls, data: Union[str, bytes], **kwargs) -> PageInfo:
+        """Create a PageInfo from raw bytes or base64-encoded data.
+
+        Args:
+            data: Binary image data or base64-encoded string.
+            **kwargs: Additional attributes (type, bookmark, etc.).
+
+        Returns:
+            PageInfo instance with loaded content.
+
+        Raises:
+            InvalidImageError: If the data is empty or invalid.
+            ValueError: If the data type is not str or bytes.
+        """
+        if isinstance(data, str):
+            data = base64.b64decode(data)
+        if not isinstance(data, bytes):
+            raise ValueError(f"Expected bytes or base64 str, got {type(data).__name__}")
+        if not data or data.isspace():
+            raise InvalidImageError("Empty or null image data")
+
+        page = cls(**kwargs)
+        page.content = data
+        return page
+
+    @classmethod
+    def load(cls, path: Union[Path, str], **kwargs) -> PageInfo:
+        """Create a PageInfo from an image file.
+
+        Args:
+            path: Path to the image file.
+            **kwargs: Additional attributes (type, bookmark, etc.).
+
+        Returns:
+            PageInfo instance with file content loaded.
+
+        Raises:
+            FileNotFoundError: If the file does not exist.
+            InvalidImageError: If the image is invalid.
+        """
+        path = Path(path)
+        kwargs.setdefault("name", path.name)
+        return cls.loads(path.read_bytes(), **kwargs)
+
+    def show(self) -> None:
+        """Display the page in the default image viewer."""
+        with Image.open(BytesIO(self.content)) as img:
+            img.show()
+
+    def save(self, path: Union[Path, str]) -> None:
+        """Save the page to a file.
+
+        Args:
+            path: Destination file path.
+        """
+        Path(path).write_bytes(self.content)

cbz/player.py

@@ -0,0 +1,313 @@
+"""
+Tkinter-based graphical comic reader.
+
+Provides a viewing interface with page navigation, zoom,
+scrolling and metadata display.
+"""
+
+from __future__ import annotations
+
+import os
+import tkinter as tk
+from io import BytesIO
+from pathlib import Path
+from tkinter import ttk
+from typing import Optional
+
+try:
+    from ctypes import windll
+except ImportError:
+    windll = None
+
+from PIL import Image, ImageTk
+
+from cbz.comic import ComicInfo
+from cbz.page import PageInfo
+from cbz.utils import readable_size, ico_to_png
+
+PARENT = Path(__file__).parent
+CTRL_KEY = 0x4  # Tkinter event.state bitmask for the Ctrl modifier
+
+
+class Player:
+    """Comic reader with Tkinter graphical interface.
+
+    Displays comic pages with navigation, zoom and
+    a metadata summary page.
+
+    Attributes:
+        comic: The comic to display.
+        current_page: Index of the current page (-1 = summary).
+        root: Main Tkinter window.
+    """
+
+    def __init__(self, comic: ComicInfo) -> None:
+        """Initialize the reader with a comic.
+
+        Args:
+            comic: ComicInfo instance to display.
+        """
+        self.comic = comic
+        self.current_page: int = -1
+        self.max_zoom_factor: Optional[float] = None
+        self.zoom_factor: Optional[float] = None
+        self.img_original: Optional[Image.Image] = None
+
+        # Window initialization
+        self.root = tk.Tk()
+        self.root.title(self._get_window_title())
+        self.root.geometry(self._get_initial_geometry())
+        self._set_icon()
+
+        # Main frame
+        self.main_frame = ttk.Frame(self.root)
+        self.main_frame.pack(fill=tk.BOTH, expand=True)
+
+        # Display canvas
+        self.canvas = tk.Canvas(self.main_frame, bg="white")
+        self.canvas.pack(side=tk.TOP, fill=tk.BOTH, expand=True)
+
+        # Navigation buttons
+        self._create_buttons()
+
+        # Summary text widget
+        self._init_summary_text()
+
+        # Initial display
+        self.show_page()
+
+        # Keyboard shortcuts and events
+        self._bind_keys()
+
+        # Resize tracking
+        self.previous_width = self.root.winfo_width()
+        self.previous_height = self.root.winfo_height()
+        self.resize_timer: Optional[str] = None
+
+    def _set_icon(self) -> None:
+        """Set the application icon."""
+        icon_path = PARENT / "cbz.ico"
+        if os.name == "nt" and windll is not None:
+            windll.shell32.SetCurrentProcessExplicitAppUserModelID("cbz.player")
+            self.root.iconbitmap(icon_path)
+        else:
+            image = ico_to_png(icon_path)
+            self.root.iconphoto(True, tk.PhotoImage(data=image.getvalue()))
+
+    def _get_window_title(self) -> str:
+        """Build the window title."""
+        if self.comic.series and self.comic.title:
+            return f"{self.comic.series} - {self.comic.title}"
+        return self.comic.title or self.__class__.__name__
+
+    def _get_initial_geometry(self) -> str:
+        """Calculate the initial window geometry."""
+        margin_w = self.root.winfo_screenwidth() * 0.1
+        margin_h = self.root.winfo_screenheight() * 0.1
+        avail_w = self.root.winfo_screenwidth() - 2 * margin_w
+        avail_h = self.root.winfo_screenheight() - 2 * margin_h
+
+        screen_w = int(avail_h * 0.63)
+        screen_h = int(avail_h)
+
+        if self.comic.pages:
+            # Use minimum dimensions across all pages
+            img_w = self.comic.pages[0].image_width
+            img_h = self.comic.pages[0].image_height
+            for page in self.comic.pages[1:]:
+                if page.image_width <= img_w and page.image_height <= img_h:
+                    img_w = page.image_width
+                    img_h = page.image_height
+
+            scale = min(avail_w / img_w, avail_h / img_h)
+            init_w = int(img_w * scale * 0.94)
+            init_h = int(img_h * scale)
+        else:
+            init_w = screen_w
+            init_h = screen_h
+
+        if 100 / screen_w * init_w < 50.0:
+            init_w = screen_w
+
+        x = self.root.winfo_screenwidth() // 2 - init_w // 2
+        y = self.root.winfo_screenheight() // 2 - init_h // 2
+        return f"{init_w}x{init_h}+{x}+{y}"
+
+    def _create_buttons(self) -> None:
+        """Create navigation buttons."""
+        button_frame = ttk.Frame(self.main_frame, height=10)
+        button_frame.pack(side=tk.BOTTOM, pady=10)
+
+        self.prev_button = ttk.Button(button_frame, text="Previous", command=self.on_previous)
+        self.prev_button.pack(side=tk.LEFT, padx=10)
+
+        self.page_index_label = ttk.Label(
+            button_frame, text=f"{self.current_page + 1}/{len(self.comic)}"
+        )
+        self.page_index_label.pack(side=tk.LEFT, padx=10)
+
+        self.next_button = ttk.Button(button_frame, text="Next", command=self.on_next)
+        self.next_button.pack(side=tk.LEFT, padx=10)
+
+        exit_button = ttk.Button(button_frame, text="Exit", command=self.root.quit)
+        exit_button.pack(side=tk.RIGHT, padx=10)
+
+    def _init_summary_text(self) -> None:
+        """Initialize the metadata summary text widget."""
+        self.summary_text = tk.Text(self.canvas, wrap=tk.WORD, bg="white", bd=0, padx=10, pady=10)
+        self.summary_text.tag_configure("bold", font=("Arial", 13, "bold"))
+        self.summary_text.tag_configure("normal", font=("Arial", 12), lmargin1=10, lmargin2=10)
+        self.summary_text.config(state=tk.DISABLED)
+
+    def show_page(self) -> None:
+        """Display the current page (summary or image)."""
+        self.canvas.delete("all")
+
+        if self.current_page == -1:
+            self._show_summary_page()
+        elif self.current_page < len(self.comic):
+            self._show_image_page()
+
+        self.prev_button.config(state=tk.DISABLED if self.current_page == -1 else tk.NORMAL)
+        self.next_button.config(
+            state=tk.DISABLED if self.current_page + 1 == len(self.comic) else tk.NORMAL
+        )
+        self.page_index_label.config(text=f"{self.current_page + 1}/{len(self.comic)}")
+
+    def _show_summary_page(self) -> None:
+        """Display the summary page with metadata."""
+        self.root.update_idletasks()
+        infos = self.comic.get_info()
+
+        self.summary_text.config(state=tk.NORMAL)
+        self.summary_text.delete("1.0", tk.END)
+
+        for key, value in infos.items():
+            if not (key.startswith("@") or key == "Pages"):
+                if key == "FileSize":
+                    value = readable_size(value)
+                self.summary_text.insert(tk.END, f"{key}\n", "bold")
+                self.summary_text.insert(tk.END, f"{value}\n\n", "normal")
+
+        self.summary_text.config(state=tk.DISABLED)
+        self.summary_text.place(relwidth=1, relheight=1)
+
+    def _show_image_page(self) -> None:
+        """Display an image page centered on the canvas."""
+        self.summary_text.place_forget()
+        if self.img_original is not None:
+            self.img_original.close()
+        page: PageInfo = self.comic[self.current_page]
+        self.img_original = Image.open(BytesIO(page.content))
+        self._display_image()
+
+    def _display_image(self) -> None:
+        """Display the image with the current zoom level."""
+        if not self.zoom_factor:
+            self.max_zoom_factor = min(
+                self.canvas.winfo_width() / self.img_original.width,
+                self.canvas.winfo_height() / self.img_original.height,
+            )
+            self.zoom_factor = self.max_zoom_factor
+
+        new_w = int(self.img_original.width * self.zoom_factor)
+        new_h = int(self.img_original.height * self.zoom_factor)
+        img = self.img_original.resize((new_w, new_h), Image.Resampling.LANCZOS)
+
+        self.canvas.image = ImageTk.PhotoImage(img)
+        x = max(0, (self.canvas.winfo_width() - new_w) // 2)
+        y = max(0, (self.canvas.winfo_height() - new_h) // 2)
+        self.canvas.create_image(x, y, anchor=tk.NW, image=self.canvas.image)
+
+        canvas_w = max(new_w, self.canvas.winfo_width())
+        canvas_h = max(new_h, self.canvas.winfo_height())
+        self.canvas.config(scrollregion=(0, 0, canvas_w, canvas_h))
+
+    def _bind_keys(self) -> None:
+        """Configure keyboard shortcuts and events."""
+        self.root.bind("<Left>", lambda _: self.on_previous())
+        self.root.bind("<Right>", lambda _: self.on_next())
+        self.root.bind("<Control-q>", lambda _: self.root.quit())
+        self.root.bind("<Configure>", lambda e: self.on_window(e))
+
+        self.root.bind("<Control-MouseWheel>", self.on_zoom)
+        self.canvas.bind_all("<MouseWheel>", self._on_mouse_wheel)
+        self.canvas.bind_all("<Shift-MouseWheel>", self._on_shift_mouse_wheel)
+
+        self.root.bind("<KeyPress-plus>", lambda _: self.on_zoom_key(True))
+        self.root.bind("<KeyPress-minus>", lambda _: self.on_zoom_key(False))
+
+    def on_zoom_key(self, zoom_in: bool) -> None:
+        """Handle keyboard zoom (+ / -)."""
+        event = tk.Event()
+        event.delta = 120 if zoom_in else -120
+        self.on_zoom(event)
+
+    def on_zoom(self, event: tk.Event) -> None:
+        """Handle zoom with Ctrl + mouse wheel."""
+        if self.current_page == -1:
+            return
+
+        if event.delta > 0:
+            self.zoom_factor *= 1.1
+        elif event.delta < 0:
+            self.zoom_factor /= 1.1
+
+        min_zoom = min(
+            self.canvas.winfo_width() / self.img_original.width,
+            self.canvas.winfo_height() / self.img_original.height,
+        )
+        if self.zoom_factor < min_zoom:
+            self.zoom_factor = min_zoom
+
+        self._display_image()
+
+    def _on_mouse_wheel(self, event: tk.Event) -> None:
+        """Handle vertical scrolling."""
+        if self.current_page == -1 or (event.state & CTRL_KEY):
+            return
+        self.canvas.yview_scroll(int(-1 * (event.delta / 120)), "units")
+
+    def _on_shift_mouse_wheel(self, event: tk.Event) -> None:
+        """Handle horizontal scrolling."""
+        if self.current_page == -1 or (event.state & CTRL_KEY):
+            return
+        self.canvas.xview_scroll(int(-1 * (event.delta / 120)), "units")
+
+    def on_previous(self) -> None:
+        """Navigate to the previous page."""
+        if self.current_page == -1:
+            return
+        self.current_page -= 1
+        self.zoom_factor = None
+        self.show_page()
+
+    def on_next(self) -> None:
+        """Navigate to the next page."""
+        if self.current_page < len(self.comic) - 1:
+            self.current_page += 1
+            self.zoom_factor = None
+            self.show_page()
+
+    def on_window(self, event: tk.Event) -> None:
+        """Handle window resize."""
+        if event.width != self.previous_width or event.height != self.previous_height:
+            self.previous_width = event.width
+            self.previous_height = event.height
+
+            if self.resize_timer:
+                self.root.after_cancel(self.resize_timer)
+            self.resize_timer = self.root.after(200, self._on_resize)
+
+    def _on_resize(self) -> None:
+        """React to window resize with delay."""
+        if self.current_page == -1:
+            return
+        if self.zoom_factor == self.max_zoom_factor:
+            self.zoom_factor = None
+        self._display_image()
+        self.resize_timer = None
+
+    def run(self) -> None:
+        """Start the reader main loop."""
+        self.root.mainloop()

cbz/utils.py

@@ -0,0 +1,35 @@
+"""Utility functions for the CBZ library."""
+
+from __future__ import annotations
+
+from io import BytesIO
+from pathlib import Path
+
+from PIL import Image
+from PIL.IcoImagePlugin import IcoFile
+
+
+def readable_size(size: int, decimal: int = 2) -> str:
+    """Convert a byte size to a human-readable string (KB, MB, etc.)."""
+    for unit in ("B", "KB", "MB", "GB", "TB"):
+        if size < 1024:
+            return f"{size:.{decimal}f} {unit}"
+        size /= 1024
+    return f"{size:.{decimal}f} PB"
+
+
+def ico_to_png(path: Path) -> BytesIO:
+    """Convert the largest icon in an ICO file to PNG format."""
+    with Image.open(BytesIO(path.read_bytes())) as image:
+        if image.format != "ICO":
+            raise ValueError(f"Expected ICO format, got {image.format}")
+
+        icon: IcoFile = image.ico
+        max_size = max(icon.sizes(), key=lambda s: s[0] + s[1])
+        largest = icon.getimage(size=max_size)
+
+    buf = BytesIO()
+    largest.save(buf, format="PNG")
+    largest.close()
+    buf.seek(0)
+    return buf

docs/RFC-CBZ.md

@@ -0,0 +1,615 @@
+# RFC: CBZ (Comic Book ZIP) Format Specification
+
+**Version:** 1.0  
+**Status:** Informational  
+**Date:** 2026-04-06  
+**Authors:** hyugogirubato, contributors  
+
+---
+
+## 1. Abstract
+
+This document specifies the CBZ (Comic Book ZIP) file format, a widely-adopted standard for packaging and distributing digital comic books, manga, and graphic novels. CBZ files are ZIP archives containing sequential image files and an optional XML metadata descriptor (`ComicInfo.xml`). This RFC consolidates existing community practices, the ComicInfo XML schema (versions 1.0 through 2.1), and implementation experience into a single authoritative reference.
+
+## 2. Status of This Document
+
+This document is an informational specification. It describes the CBZ format as implemented by major comic book readers and management tools including ComicRack, Kavita, Komga, Calibre, YACReader, and others. The format originated from the ComicRack application and has been extended by the community through the anansi-project.
+
+## 3. Terminology
+
+The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in RFC 2119.
+
+| Term              | Definition                                                                      |
+|-------------------|---------------------------------------------------------------------------------|
+| **CBZ**           | Comic Book ZIP - A ZIP archive containing comic book pages as images            |
+| **CBR**           | Comic Book RAR - Similar format using RAR compression (read-only in most tools) |
+| **ComicInfo.xml** | XML metadata descriptor file embedded in the archive                            |
+| **Page**          | A single image representing one page of the comic                               |
+| **Double Page**   | A single image representing a two-page spread                                   |
+
+## 4. File Format Overview
+
+### 4.1 MIME Type
+
+```
+application/vnd.comicbook+zip
+```
+
+The file extension is `.cbz` (case-insensitive).
+
+### 4.2 Archive Structure
+
+A CBZ file is a standard ZIP archive (as defined in PKWARE APPNOTE) with the following structure:
+
+```
+archive.cbz (ZIP)
++-- ComicInfo.xml          (OPTIONAL - metadata descriptor)
++-- page-001.jpg           (image file)
++-- page-002.jpg           (image file)
++-- page-003.png           (image file)
++-- ...
+```
+
+### 4.3 Archive Requirements
+
+1. The archive MUST be a valid ZIP file conforming to PKWARE's ZIP Application Note.
+2. The archive SHOULD use `ZIP_STORED` (no compression) as the compression method, since image formats already employ their own compression. Using `ZIP_DEFLATED` is permitted but offers negligible size reduction at a performance cost.
+3. The archive MUST contain at least one image file.
+4. The archive MAY contain a `ComicInfo.xml` metadata file at the root level.
+5. The archive MUST NOT contain executable files, scripts, or other non-image/non-metadata content at the root level. Subdirectories (e.g., `__MACOSX/`) SHOULD be ignored by readers.
+
+### 4.4 File Naming
+
+1. Image files SHOULD be named to sort in reading order using standard lexicographic (alphabetical) sorting.
+2. The RECOMMENDED naming convention is zero-padded sequential names: `page-001.ext`, `page-002.ext`, etc.
+3. Readers MUST sort image files alphabetically (case-insensitive) to determine page order when no `ComicInfo.xml` page index is present.
+4. The metadata file MUST be named exactly `ComicInfo.xml` (case-sensitive).
+
+## 5. Supported Image Formats
+
+### 5.1 Required Support
+
+Conforming readers MUST support the following image formats:
+
+| Format | Extensions      | MIME Type    |
+|--------|-----------------|--------------|
+| JPEG   | `.jpg`, `.jpeg` | `image/jpeg` |
+| PNG    | `.png`          | `image/png`  |
+
+### 5.2 Recommended Support
+
+Conforming readers SHOULD support:
+
+| Format | Extensions      | MIME Type    |
+|--------|-----------------|--------------|
+| GIF    | `.gif`          | `image/gif`  |
+| BMP    | `.bmp`          | `image/bmp`  |
+| WebP   | `.webp`         | `image/webp` |
+| TIFF   | `.tiff`, `.tif` | `image/tiff` |
+
+### 5.3 Optional Support
+
+Conforming readers MAY support:
+
+| Format  | Extensions | MIME Type    |
+|---------|------------|--------------|
+| JPEG XL | `.jxl`     | `image/jxl`  |
+| AVIF    | `.avif`    | `image/avif` |
+
+### 5.4 Image Guidelines
+
+1. All image files within a single archive SHOULD use the same format for consistency.
+2. Images SHOULD be stored in their original resolution without additional compression artifacts.
+3. For optimal compatibility, JPEG is RECOMMENDED for photographic/scanned content, and PNG for digitally-produced content with sharp edges or transparency.
+4. Readers MUST determine page dimensions from the actual image data, not from metadata alone.
+
+## 6. ComicInfo.xml Metadata Specification
+
+### 6.1 Overview
+
+The `ComicInfo.xml` file is an XML document that describes the comic book's metadata and page structure. It follows the ComicInfo schema originally developed for the ComicRack application.
+
+### 6.2 XML Declaration
+
+```xml
+<?xml version="1.0" encoding="utf-8"?>
+```
+
+The file MUST use UTF-8 encoding.
+
+### 6.3 Root Element
+
+```xml
+
+<ComicInfo xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+    ...
+</ComicInfo>
+```
+
+The root element MUST be `<ComicInfo>`. The XML namespace declarations are RECOMMENDED for schema validation but not strictly required for parsing.
+
+### 6.4 Comic Metadata Elements
+
+All metadata elements are OPTIONAL. They appear as child elements of `<ComicInfo>` in the order specified below. Absent elements indicate unknown or unset values.
+
+#### 6.4.1 Identification
+
+| Element           | Type        | Default | Description                                                                |
+|-------------------|-------------|---------|----------------------------------------------------------------------------|
+| `Title`           | `xs:string` | `""`    | Title of the comic issue                                                   |
+| `Series`          | `xs:string` | `""`    | Name of the comic series                                                   |
+| `Number`          | `xs:string` | `""`    | Issue number within the series (string to support "1.5", "Annual 1", etc.) |
+| `Count`           | `xs:int`    | `-1`    | Total number of issues in the series (-1 = unknown)                        |
+| `Volume`          | `xs:int`    | `-1`    | Volume number (-1 = unknown)                                               |
+| `AlternateSeries` | `xs:string` | `""`    | Alternate series name (for crossovers, reprints)                           |
+| `AlternateNumber` | `xs:string` | `""`    | Issue number in the alternate series                                       |
+| `AlternateCount`  | `xs:int`    | `-1`    | Total issues in the alternate series                                       |
+
+**Notes:**
+
+- `Number` is typed as string in the schema to accommodate non-integer issue numbers (e.g., "0.5", "Annual 3", "#1/2").
+- When `Count` is -1, the series is ongoing or the total is unknown.
+
+#### 6.4.2 Descriptive
+
+| Element     | Type        | Default | Description                                   |
+|-------------|-------------|---------|-----------------------------------------------|
+| `Summary`   | `xs:string` | `""`    | Synopsis or description of the issue          |
+| `Notes`     | `xs:string` | `""`    | Free-form notes (scan quality, source, etc.)  |
+| `Genre`     | `xs:string` | `""`    | Genre(s), comma-separated                     |
+| `Tags`      | `xs:string` | `""`    | Tags/keywords, comma-separated                |
+| `Web`       | `xs:string` | `""`    | URL to the comic's web page or source         |
+| `EAN`       | `xs:string` | `""`    | European Article Number (ISBN/barcode)        |
+| `BookPrice` | `xs:string` | `""`    | Cover price (free-form string, e.g., "$3.99") |
+
+**Notes:**
+
+- `Genre` and `Tags` use comma-separated values. Readers SHOULD trim whitespace around each value.
+- `Web` SHOULD contain a valid URL but no validation is required.
+
+#### 6.4.3 Publication Date
+
+| Element | Type     | Default | Description                 |
+|---------|----------|---------|-----------------------------|
+| `Year`  | `xs:int` | `-1`    | Publication year (4 digits) |
+| `Month` | `xs:int` | `-1`    | Publication month (1-12)    |
+| `Day`   | `xs:int` | `-1`    | Publication day (1-31)      |
+
+**Notes:**
+
+- A value of -1 indicates the date component is unknown.
+- Readers SHOULD NOT assume Month and Day are present when Year is set.
+
+#### 6.4.4 Credits
+
+| Element       | Type        | Default | Description                       |
+|---------------|-------------|---------|-----------------------------------|
+| `Writer`      | `xs:string` | `""`    | Writer(s), comma-separated        |
+| `Penciller`   | `xs:string` | `""`    | Pencil artist(s), comma-separated |
+| `Inker`       | `xs:string` | `""`    | Inker(s), comma-separated         |
+| `Colorist`    | `xs:string` | `""`    | Colorist(s), comma-separated      |
+| `Letterer`    | `xs:string` | `""`    | Letterer(s), comma-separated      |
+| `CoverArtist` | `xs:string` | `""`    | Cover artist(s), comma-separated  |
+| `Editor`      | `xs:string` | `""`    | Editor(s), comma-separated        |
+| `Translator`  | `xs:string` | `""`    | Translator(s), comma-separated    |
+
+**Notes:**
+
+- All credit fields support multiple names as comma-separated values.
+- The `Translator` field was added in schema v2.1.
+
+#### 6.4.5 Publisher
+
+| Element     | Type        | Default | Description                      |
+|-------------|-------------|---------|----------------------------------|
+| `Publisher` | `xs:string` | `""`    | Publisher name                   |
+| `Imprint`   | `xs:string` | `""`    | Publisher's imprint or sub-label |
+
+#### 6.4.6 Classification
+
+| Element         | Type        | Allowed Values                              | Default   | Description                                        |
+|-----------------|-------------|---------------------------------------------|-----------|----------------------------------------------------|
+| `Format`        | `xs:string` | (see section 6.5)                           | `""`      | Publication format                                 |
+| `BlackAndWhite` | `YesNo`     | `Unknown`, `No`, `Yes`                      | `Unknown` | Whether the comic is black and white               |
+| `Manga`         | `Manga`     | `Unknown`, `No`, `Yes`, `YesAndRightToLeft` | `Unknown` | Whether the comic is manga (and reading direction) |
+| `AgeRating`     | `AgeRating` | (see section 6.7)                           | `Unknown` | Content age rating                                 |
+| `LanguageISO`   | `xs:string` | ISO 639 codes                               | `""`      | Language code (e.g., "en", "fr", "ja")             |
+
+#### 6.4.7 Characters and Story
+
+| Element               | Type        | Default | Description                      |
+|-----------------------|-------------|---------|----------------------------------|
+| `Characters`          | `xs:string` | `""`    | Character names, comma-separated |
+| `Teams`               | `xs:string` | `""`    | Team names, comma-separated      |
+| `Locations`           | `xs:string` | `""`    | Location names, comma-separated  |
+| `MainCharacterOrTeam` | `xs:string` | `""`    | Primary character or team        |
+| `StoryArc`            | `xs:string` | `""`    | Story arc name                   |
+| `StoryArcNumber`      | `xs:string` | `""`    | Position within the story arc    |
+| `SeriesGroup`         | `xs:string` | `""`    | Series grouping or universe      |
+
+#### 6.4.8 Community
+
+| Element           | Type        | Default | Description                                     |
+|-------------------|-------------|---------|-------------------------------------------------|
+| `CommunityRating` | `Rating`    | (none)  | Community rating (0.0-5.0, single decimal)      |
+| `Review`          | `xs:string` | `""`    | Review text                                     |
+| `ScanInformation` | `xs:string` | `""`    | Information about the scan/digitization process |
+
+#### 6.4.9 File Metadata
+
+| Element            | Type        | Default | Description                               |
+|--------------------|-------------|---------|-------------------------------------------|
+| `PageCount`        | `xs:int`    | `0`     | Number of pages in the archive            |
+| `FileSize`         | `xs:int`    | `""`    | Total size of image files in bytes        |
+| `FileCreationTime` | `xs:string` | `""`    | Archive creation timestamp (ISO 8601)     |
+| `FileModifiedTime` | `xs:string` | `""`    | Archive modification timestamp (ISO 8601) |
+| `Added`            | `xs:string` | `""`    | Date added to library                     |
+| `Released`         | `xs:string` | `""`    | Release/publication date                  |
+
+**Notes:**
+
+- Timestamps SHOULD use ISO 8601 format: `YYYY-MM-DDThh:mm:ss.sssZ`
+- `PageCount` MUST match the actual number of image files in the archive.
+- `FileSize` represents the total uncompressed size of all image files, NOT the archive size.
+
+#### 6.4.10 Custom Data
+
+| Element             | Type        | Default | Description                                      |
+|---------------------|-------------|---------|--------------------------------------------------|
+| `CustomValuesStore` | `xs:string` | `""`    | Application-specific custom data (opaque string) |
+
+### 6.5 Format Enumeration
+
+The `Format` element accepts any string value, but the following are the recognized standard values:
+
+```
+Annotation, Annual, Anthology, Black & White, Box-Set, Crossover,
+Director's Cut, Epilogue, Event, FCBD, Flyer, Giant-Size, Graphic Novel,
+Hard-Cover, King-Size, Limited Series, Magazine, NSFW, One-Shot, Point 1,
+Preview, Prologue, Reference, Review, Reviewed, Scanlation, Script,
+Series, Sketch, Special, Trade Paper Back, Web Comic, Year One
+```
+
+Readers SHOULD accept these values case-insensitively. Alternative spellings exist in the wild (e.g., "TPB" for "Trade Paper Back", "WebComic" for "Web Comic") and readers SHOULD handle them gracefully.
+
+### 6.6 Manga Enumeration
+
+| Value               | Description                                         |
+|---------------------|-----------------------------------------------------|
+| `Unknown`           | Reading direction not specified                     |
+| `No`                | Western-style left-to-right reading                 |
+| `Yes`               | Manga-style (may be left-to-right or right-to-left) |
+| `YesAndRightToLeft` | Manga with explicit right-to-left reading order     |
+
+Readers SHOULD use this value to determine the reading direction for page navigation and double-page spread orientation.
+
+### 6.7 AgeRating Enumeration
+
+| Value             | Description                      |
+|-------------------|----------------------------------|
+| `Unknown`         | Not rated                        |
+| `Adults Only 18+` | Adult content only               |
+| `Early Childhood` | Suitable for very young children |
+| `Everyone`        | Suitable for all ages            |
+| `Everyone 10+`    | Suitable for ages 10 and up      |
+| `G`               | General audiences                |
+| `Kids to Adults`  | Suitable for children to adults  |
+| `M`               | Mature content                   |
+| `MA15+`           | Mature audiences 15+             |
+| `Mature 17+`      | Mature audiences 17+             |
+| `PG`              | Parental guidance suggested      |
+| `R18+`            | Restricted 18+                   |
+| `Rating Pending`  | Rating has not been assigned     |
+| `Teen`            | Suitable for teens               |
+| `X18+`            | Explicit content 18+             |
+
+### 6.8 Rating Type
+
+The `CommunityRating` element uses a decimal type:
+
+- Minimum value: `0.0`
+- Maximum value: `5.0`
+- Precision: 1 decimal place (schema v2.1) or 2 decimal places (schema v2.0)
+
+### 6.9 Pages Element
+
+The `<Pages>` element contains an ordered list of `<Page>` elements describing each page in the archive.
+
+```xml
+
+<Pages>
+    <Page Image="0" Type="FrontCover" ImageSize="245760" ImageWidth="800" ImageHeight="1200"/>
+    <Page Image="1" Type="Story" DoublePage="false" ImageSize="198432" ImageWidth="800" ImageHeight="1200"/>
+    <Page Image="2" Type="BackCover" ImageSize="210944" ImageWidth="800" ImageHeight="1200"/>
+</Pages>
+```
+
+#### 6.9.1 Page Attributes
+
+| Attribute     | Type            | Required | Default | Description                                          |
+|---------------|-----------------|----------|---------|------------------------------------------------------|
+| `Image`       | `xs:int`        | **YES**  | -       | Zero-based index of the page in the sorted file list |
+| `Type`        | `ComicPageType` | No       | `Story` | Type/role of the page                                |
+| `DoublePage`  | `xs:boolean`    | No       | `false` | Whether this is a double-page spread                 |
+| `ImageSize`   | `xs:long`       | No       | `0`     | Image file size in bytes                             |
+| `Key`         | `xs:string`     | No       | `""`    | Unique key for the page                              |
+| `Bookmark`    | `xs:string`     | No       | `""`    | Bookmark/chapter name for this page                  |
+| `ImageWidth`  | `xs:int`        | No       | `-1`    | Image width in pixels                                |
+| `ImageHeight` | `xs:int`        | No       | `-1`    | Image height in pixels                               |
+
+**Notes:**
+
+- `Image` is the ONLY required attribute. It MUST be a zero-based index corresponding to the page's position in the alphabetically-sorted list of image files.
+- `Bookmark` was added in schema v2.0.
+- Readers SHOULD use actual image dimensions from the file rather than relying solely on `ImageWidth`/`ImageHeight` metadata.
+
+#### 6.9.2 ComicPageType Enumeration
+
+| Value           | Description                                |
+|-----------------|--------------------------------------------|
+| `FrontCover`    | Front cover image                          |
+| `InnerCover`    | Inner cover or dust jacket                 |
+| `Roundup`       | Recap or summary page                      |
+| `Story`         | Regular story page (default)               |
+| `Advertisement` | Advertisement page                         |
+| `Editorial`     | Editorial or credits page                  |
+| `Letters`       | Letters to the editor page                 |
+| `Preview`       | Preview of upcoming issues                 |
+| `BackCover`     | Back cover image                           |
+| `Other`         | Other content not fitting above categories |
+| `Deleted`       | Page marked for deletion (not displayed)   |
+
+**Notes:**
+
+- The `FrontCover` page is typically used by readers as the thumbnail/cover image for the comic.
+- Pages of type `Deleted` SHOULD NOT be displayed to the user but MAY be retained in the archive.
+
+## 7. Schema Evolution
+
+### 7.1 Version History
+
+| Version | Key Changes                                                                                                                                                                                                                                                                                                         |
+|---------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| **1.0** | Initial schema. Core metadata fields, basic page info. `Manga` typed as `YesNo`. No `Bookmark`, `Tags`, `Translator`, `StoryArcNumber`, `AgeRating`, `CommunityRating`, `MainCharacterOrTeam`, `Review`, `Added`, `Released`, `FileSize`, `FileModifiedTime`, `FileCreationTime`, `BookPrice`, `CustomValuesStore`. |
+| **2.0** | Added `Characters`, `Teams`, `Locations`, `ScanInformation`, `StoryArc`, `SeriesGroup`, `AgeRating`, `CommunityRating`, `MainCharacterOrTeam`, `Review`. `Manga` gets its own type with `YesAndRightToLeft`. `Bookmark` added to pages. `Rating` type has 2 decimal places.                                         |
+| **2.1** | Added `Translator`, `Tags`, `StoryArcNumber`, `Added`, `Released`, `FileSize`, `FileModifiedTime`, `FileCreationTime`, `BookPrice`, `CustomValuesStore`. `Rating` precision reduced to 1 decimal place. `Day` field added to date.                                                                                  |
+
+### 7.2 Compatibility Guidelines
+
+1. Writers SHOULD generate metadata conforming to the latest schema version (2.1).
+2. Readers MUST gracefully handle unknown elements by ignoring them (forward compatibility).
+3. Readers MUST handle missing optional elements by using specified defaults (backward compatibility).
+4. Writers SHOULD NOT include elements with default/empty values to minimize file size.
+
+## 8. Related Formats
+
+### 8.1 CBR (Comic Book RAR)
+
+- Extension: `.cbr`
+- MIME Type: `application/vnd.comicbook-rar`
+- Identical internal structure but using RAR archive format instead of ZIP.
+- Requires external RAR extraction tools (e.g., `unrar`, `7zip`).
+- CBZ is RECOMMENDED over CBR for new archives due to the ubiquity of ZIP support.
+
+### 8.2 CB7 (Comic Book 7z)
+
+- Extension: `.cb7`
+- MIME Type: `application/x-cb7`
+- Uses 7-Zip archive format. Less common.
+
+### 8.3 CBT (Comic Book TAR)
+
+- Extension: `.cbt`
+- MIME Type: `application/x-cbt`
+- Uses TAR archive format. No compression. Rare.
+
+### 8.4 PDF
+
+- PDF files can contain embedded images and are sometimes used for digital comics.
+- PDF does not natively support ComicInfo metadata.
+- Conversion from PDF to CBZ involves extracting images; metadata must be added separately.
+
+## 9. Implementation Considerations
+
+### 9.1 Reading a CBZ File
+
+A conforming reader MUST implement the following algorithm:
+
+1. Open the file as a ZIP archive.
+2. List all entries and sort them alphabetically (case-insensitive).
+3. Check for `ComicInfo.xml` at the root level:
+   - If present, parse it and extract metadata.
+   - If absent or malformed, proceed with image-only mode.
+4. Filter entries to include only files with supported image extensions.
+5. Ignore directories, hidden files (starting with `.`), and OS-specific metadata folders (e.g., `__MACOSX/`).
+6. Load images in sorted order as the page sequence.
+7. If `ComicInfo.xml` contains a `<Pages>` section, use the `Image` attribute to map metadata to pages.
+
+### 9.2 Writing a CBZ File
+
+A conforming writer MUST implement the following:
+
+1. Create a new ZIP archive with `ZIP_STORED` compression (RECOMMENDED).
+2. Add `ComicInfo.xml` as the first entry (RECOMMENDED for fast metadata access).
+3. Add image files in reading order with sequential, zero-padded names.
+4. Ensure `PageCount` matches the number of image files.
+5. Set `Image` attributes in `<Page>` elements as zero-based indices matching the sorted file order.
+6. Use UTF-8 encoding for the XML file.
+7. Self-close `<Page>` elements: use `<Page ... />` not `<Page ...></Page>`.
+
+### 9.3 Character Encoding
+
+1. `ComicInfo.xml` MUST use UTF-8 encoding.
+2. File names within the archive SHOULD use UTF-8 encoding.
+3. All text content in metadata fields MUST be valid UTF-8.
+
+### 9.4 Error Handling
+
+1. Readers SHOULD be lenient in parsing: accept minor deviations from the schema.
+2. Unknown XML elements SHOULD be silently ignored.
+3. Malformed `ComicInfo.xml` SHOULD NOT prevent reading the images.
+4. Unsupported image formats SHOULD be skipped with a warning.
+
+## 10. Security Considerations
+
+1. Readers MUST validate ZIP entries to prevent path traversal attacks (e.g., entries with `../` in their names).
+2. Readers SHOULD impose reasonable limits on image dimensions and file sizes to prevent resource exhaustion.
+3. Readers MUST NOT execute any content from the archive, even if it appears to be a script or executable.
+4. `CustomValuesStore` content MUST be treated as opaque and untrusted.
+5. URLs in the `Web` field SHOULD NOT be automatically fetched without user consent.
+
+## 11. Complete Example
+
+### 11.1 Minimal ComicInfo.xml
+
+```xml
+<?xml version="1.0" encoding="utf-8"?>
+<ComicInfo xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+    <Title>Example Issue #1</Title>
+    <Series>Example Series</Series>
+    <Number>1</Number>
+    <PageCount>3</PageCount>
+    <Pages>
+        <Page Image="0" Type="FrontCover"/>
+        <Page Image="1" Type="Story"/>
+        <Page Image="2" Type="BackCover"/>
+    </Pages>
+</ComicInfo>
+```
+
+### 11.2 Full ComicInfo.xml
+
+```xml
+<?xml version="1.0" encoding="utf-8"?>
+<ComicInfo xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+    <Title>The Amazing Adventure #1</Title>
+    <Series>The Amazing Adventure</Series>
+    <Number>1</Number>
+    <Count>12</Count>
+    <Volume>1</Volume>
+    <Summary>The hero embarks on an incredible journey through uncharted territory.</Summary>
+    <Notes>Scanned from first printing</Notes>
+    <Year>2024</Year>
+    <Month>6</Month>
+    <Day>15</Day>
+    <Writer>Jane Smith</Writer>
+    <Penciller>John Doe</Penciller>
+    <Inker>John Doe</Inker>
+    <Colorist>Alice Johnson</Colorist>
+    <Letterer>Bob Williams</Letterer>
+    <CoverArtist>John Doe</CoverArtist>
+    <Editor>Carol Brown</Editor>
+    <Translator>Pierre Dupont</Translator>
+    <Publisher>Example Comics</Publisher>
+    <Imprint>Example Prestige</Imprint>
+    <Genre>Adventure, Fantasy</Genre>
+    <Tags>hero, quest, dragons</Tags>
+    <Web>https://example.com/amazing-adventure-1</Web>
+    <Format>Series</Format>
+    <EAN>9781234567890</EAN>
+    <BlackAndWhite>No</BlackAndWhite>
+    <Manga>No</Manga>
+    <Characters>Hero, Sidekick, Villain</Characters>
+    <Teams>The Adventurers</Teams>
+    <Locations>The Kingdom, Dragon Mountain</Locations>
+    <ScanInformation>600dpi scan, cleaned and leveled</ScanInformation>
+    <StoryArc>The Dragon Wars</StoryArc>
+    <StoryArcNumber>1</StoryArcNumber>
+    <SeriesGroup>Example Universe</SeriesGroup>
+    <AgeRating>Teen</AgeRating>
+    <CommunityRating>4.5</CommunityRating>
+    <MainCharacterOrTeam>Hero</MainCharacterOrTeam>
+    <Review>Excellent start to a new series</Review>
+    <LanguageISO>en</LanguageISO>
+    <Added>2024-06-20T10:30:00.000Z</Added>
+    <Released>2024-06-15T00:00:00.000Z</Released>
+    <FileSize>15728640</FileSize>
+    <FileCreationTime>2024-06-20T10:30:00.000Z</FileCreationTime>
+    <FileModifiedTime>2024-06-20T10:30:00.000Z</FileModifiedTime>
+    <PageCount>24</PageCount>
+    <Pages>
+        <Page Image="0" Type="FrontCover" ImageSize="524288" ImageWidth="1600" ImageHeight="2400" Bookmark="Cover"/>
+        <Page Image="1" Type="Story" ImageSize="491520" ImageWidth="1600" ImageHeight="2400" Bookmark="Chapter 1"/>
+        <Page Image="2" Type="Story" DoublePage="true" ImageSize="983040" ImageWidth="3200" ImageHeight="2400"/>
+        <!-- ... pages 3-22 ... -->
+        <Page Image="23" Type="BackCover" ImageSize="458752" ImageWidth="1600" ImageHeight="2400"/>
+    </Pages>
+</ComicInfo>
+```
+
+## 12. XSD Schema Reference (v2.1)
+
+The normative XML Schema Definition for version 2.1 is provided in `docs/schema/v2.1/ComicInfo.xsd`.
+
+Key type definitions:
+
+```xml
+<!-- YesNo enumeration -->
+<xs:simpleType name="YesNo">
+    <xs:restriction base="xs:string">
+        <xs:enumeration value="Unknown"/>
+        <xs:enumeration value="No"/>
+        <xs:enumeration value="Yes"/>
+    </xs:restriction>
+</xs:simpleType>
+
+        <!-- Manga enumeration -->
+<xs:simpleType name="Manga">
+<xs:restriction base="xs:string">
+    <xs:enumeration value="Unknown"/>
+    <xs:enumeration value="No"/>
+    <xs:enumeration value="Yes"/>
+    <xs:enumeration value="YesAndRightToLeft"/>
+</xs:restriction>
+</xs:simpleType>
+
+        <!-- Rating type (0.0 to 5.0) -->
+<xs:simpleType name="Rating">
+<xs:restriction base="xs:decimal">
+    <xs:minInclusive value="0"/>
+    <xs:maxInclusive value="5"/>
+    <xs:fractionDigits value="1"/>
+</xs:restriction>
+</xs:simpleType>
+
+        <!-- Page type enumeration -->
+<xs:simpleType name="ComicPageType">
+<xs:list>
+    <xs:simpleType>
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="FrontCover"/>
+            <xs:enumeration value="InnerCover"/>
+            <xs:enumeration value="Roundup"/>
+            <xs:enumeration value="Story"/>
+            <xs:enumeration value="Advertisement"/>
+            <xs:enumeration value="Editorial"/>
+            <xs:enumeration value="Letters"/>
+            <xs:enumeration value="Preview"/>
+            <xs:enumeration value="BackCover"/>
+            <xs:enumeration value="Other"/>
+            <xs:enumeration value="Deleted"/>
+        </xs:restriction>
+    </xs:simpleType>
+</xs:list>
+</xs:simpleType>
+```
+
+## 13. References
+
+- **PKWARE ZIP Application Note** - ZIP file format specification
+- **ComicRack** - Original creator of the ComicInfo.xml format
+- **anansi-project** - Community maintenance of the ComicInfo schema (https://anansi-project.github.io)
+- **RFC 2119** - Key words for use in RFCs
+- **ISO 639** - Language code standards
+- **ISO 8601** - Date and time format
+
+## 14. Acknowledgments
+
+This specification was compiled from the collective work of the comic book reader community, including the original ComicRack application by cYo Soft, the anansi-project contributors, and the numerous developers who have implemented CBZ support in their applications.
+
+---
+
+*This document is provided as-is for informational purposes. The CBZ format is a community standard without a formal standards body. Implementers should prioritize interoperability with existing tools over strict schema conformance.*

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docs/schema/v1.0/ComicInfo.xsd

@@ -1,75 +1,75 @@
 <?xml version="1.0" encoding="utf-8"?>
 <xs:schema elementFormDefault="qualified" xmlns:xs="http://www.w3.org/2001/XMLSchema">
-    <xs:element name="ComicInfo" nillable="true" type="ComicInfo" />
+    <xs:element name="ComicInfo" nillable="true" type="ComicInfo"/>
     <xs:complexType name="ComicInfo">
         <xs:sequence>
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Title" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Series" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Number" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="Count" type="xs:int" />
-            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="Volume" type="xs:int" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="AlternateSeries" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="AlternateNumber" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="AlternateCount" type="xs:int" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Summary" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Notes" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="Year" type="xs:int" />
-            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="Month" type="xs:int" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Writer" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Penciller" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Inker" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Colorist" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Letterer" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="CoverArtist" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Editor" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Publisher" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Imprint" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Genre" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Web" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="0" name="PageCount" type="xs:int" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="LanguageISO" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Format" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="Unknown" name="BlackAndWhite" type="YesNo" />
-            <xs:element minOccurs="0" maxOccurs="1" default="Unknown" name="Manga" type="YesNo" />
-            <xs:element minOccurs="0" maxOccurs="1" name="Pages" type="ArrayOfComicPageInfo" />
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Title" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Series" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Number" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="Count" type="xs:int"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="Volume" type="xs:int"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="AlternateSeries" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="AlternateNumber" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="AlternateCount" type="xs:int"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Summary" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Notes" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="Year" type="xs:int"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="Month" type="xs:int"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Writer" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Penciller" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Inker" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Colorist" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Letterer" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="CoverArtist" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Editor" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Publisher" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Imprint" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Genre" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Web" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="0" name="PageCount" type="xs:int"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="LanguageISO" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Format" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="Unknown" name="BlackAndWhite" type="YesNo"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="Unknown" name="Manga" type="YesNo"/>
+            <xs:element minOccurs="0" maxOccurs="1" name="Pages" type="ArrayOfComicPageInfo"/>
         </xs:sequence>
     </xs:complexType>
     <xs:simpleType name="YesNo">
         <xs:restriction base="xs:string">
-            <xs:enumeration value="Unknown" />
-            <xs:enumeration value="No" />
-            <xs:enumeration value="Yes" />
+            <xs:enumeration value="Unknown"/>
+            <xs:enumeration value="No"/>
+            <xs:enumeration value="Yes"/>
         </xs:restriction>
     </xs:simpleType>
     <xs:complexType name="ArrayOfComicPageInfo">
         <xs:sequence>
-            <xs:element minOccurs="0" maxOccurs="unbounded" name="Page" nillable="true" type="ComicPageInfo" />
+            <xs:element minOccurs="0" maxOccurs="unbounded" name="Page" nillable="true" type="ComicPageInfo"/>
         </xs:sequence>
     </xs:complexType>
     <xs:complexType name="ComicPageInfo">
-        <xs:attribute name="Image" type="xs:int" use="required" />
-        <xs:attribute default="Story" name="Type" type="ComicPageType" />
-        <xs:attribute default="false" name="DoublePage" type="xs:boolean" />
-        <xs:attribute default="0" name="ImageSize" type="xs:long" />
-        <xs:attribute default="" name="Key" type="xs:string" />
-        <xs:attribute default="-1" name="ImageWidth" type="xs:int" />
-        <xs:attribute default="-1" name="ImageHeight" type="xs:int" />
+        <xs:attribute name="Image" type="xs:int" use="required"/>
+        <xs:attribute default="Story" name="Type" type="ComicPageType"/>
+        <xs:attribute default="false" name="DoublePage" type="xs:boolean"/>
+        <xs:attribute default="0" name="ImageSize" type="xs:long"/>
+        <xs:attribute default="" name="Key" type="xs:string"/>
+        <xs:attribute default="-1" name="ImageWidth" type="xs:int"/>
+        <xs:attribute default="-1" name="ImageHeight" type="xs:int"/>
     </xs:complexType>
     <xs:simpleType name="ComicPageType">
         <xs:list>
             <xs:simpleType>
                 <xs:restriction base="xs:string">
-                    <xs:enumeration value="FrontCover" />
-                    <xs:enumeration value="InnerCover" />
-                    <xs:enumeration value="Roundup" />
-                    <xs:enumeration value="Story" />
-                    <xs:enumeration value="Advertisement" />
-                    <xs:enumeration value="Editorial" />
-                    <xs:enumeration value="Letters" />
-                    <xs:enumeration value="Preview" />
-                    <xs:enumeration value="BackCover" />
-                    <xs:enumeration value="Other" />
-                    <xs:enumeration value="Deleted" />
+                    <xs:enumeration value="FrontCover"/>
+                    <xs:enumeration value="InnerCover"/>
+                    <xs:enumeration value="Roundup"/>
+                    <xs:enumeration value="Story"/>
+                    <xs:enumeration value="Advertisement"/>
+                    <xs:enumeration value="Editorial"/>
+                    <xs:enumeration value="Letters"/>
+                    <xs:enumeration value="Preview"/>
+                    <xs:enumeration value="BackCover"/>
+                    <xs:enumeration value="Other"/>
+                    <xs:enumeration value="Deleted"/>
                 </xs:restriction>
             </xs:simpleType>
         </xs:list>

docs/schema/v2.0/ComicInfo.xsd

@@ -1,63 +1,63 @@
 <?xml version="1.0" encoding="utf-8"?>
 <xs:schema elementFormDefault="qualified" xmlns:xs="http://www.w3.org/2001/XMLSchema">
-    <xs:element name="ComicInfo" nillable="true" type="ComicInfo" />
+    <xs:element name="ComicInfo" nillable="true" type="ComicInfo"/>
     <xs:complexType name="ComicInfo">
         <xs:sequence>
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Title" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Series" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Number" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="Count" type="xs:int" />
-            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="Volume" type="xs:int" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="AlternateSeries" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="AlternateNumber" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="AlternateCount" type="xs:int" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Summary" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Notes" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="Year" type="xs:int" />
-            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="Month" type="xs:int" />
-            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="Day" type="xs:int" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Writer" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Penciller" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Inker" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Colorist" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Letterer" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="CoverArtist" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Editor" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Publisher" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Imprint" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Genre" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Web" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="0" name="PageCount" type="xs:int" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="LanguageISO" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Format" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="Unknown" name="BlackAndWhite" type="YesNo" />
-            <xs:element minOccurs="0" maxOccurs="1" default="Unknown" name="Manga" type="Manga" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Characters" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Teams" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Locations" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="ScanInformation" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="StoryArc" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="SeriesGroup" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="Unknown" name="AgeRating" type="AgeRating" />
-            <xs:element minOccurs="0" maxOccurs="1" name="Pages" type="ArrayOfComicPageInfo" />
-            <xs:element minOccurs="0" maxOccurs="1" name="CommunityRating" type="Rating" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="MainCharacterOrTeam" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Review" type="xs:string" />
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Title" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Series" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Number" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="Count" type="xs:int"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="Volume" type="xs:int"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="AlternateSeries" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="AlternateNumber" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="AlternateCount" type="xs:int"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Summary" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Notes" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="Year" type="xs:int"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="Month" type="xs:int"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="Day" type="xs:int"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Writer" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Penciller" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Inker" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Colorist" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Letterer" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="CoverArtist" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Editor" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Publisher" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Imprint" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Genre" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Web" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="0" name="PageCount" type="xs:int"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="LanguageISO" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Format" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="Unknown" name="BlackAndWhite" type="YesNo"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="Unknown" name="Manga" type="Manga"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Characters" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Teams" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Locations" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="ScanInformation" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="StoryArc" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="SeriesGroup" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="Unknown" name="AgeRating" type="AgeRating"/>
+            <xs:element minOccurs="0" maxOccurs="1" name="Pages" type="ArrayOfComicPageInfo"/>
+            <xs:element minOccurs="0" maxOccurs="1" name="CommunityRating" type="Rating"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="MainCharacterOrTeam" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Review" type="xs:string"/>
         </xs:sequence>
     </xs:complexType>
     <xs:simpleType name="YesNo">
         <xs:restriction base="xs:string">
-            <xs:enumeration value="Unknown" />
-            <xs:enumeration value="No" />
-            <xs:enumeration value="Yes" />
+            <xs:enumeration value="Unknown"/>
+            <xs:enumeration value="No"/>
+            <xs:enumeration value="Yes"/>
         </xs:restriction>
     </xs:simpleType>
     <xs:simpleType name="Manga">
         <xs:restriction base="xs:string">
-            <xs:enumeration value="Unknown" />
-            <xs:enumeration value="No" />
-            <xs:enumeration value="Yes" />
-            <xs:enumeration value="YesAndRightToLeft" />
+            <xs:enumeration value="Unknown"/>
+            <xs:enumeration value="No"/>
+            <xs:enumeration value="Yes"/>
+            <xs:enumeration value="YesAndRightToLeft"/>
         </xs:restriction>
     </xs:simpleType>
     <xs:simpleType name="Rating">
@@ -69,53 +69,53 @@
     </xs:simpleType>
     <xs:simpleType name="AgeRating">
         <xs:restriction base="xs:string">
-            <xs:enumeration value="Unknown" />
-            <xs:enumeration value="Adults Only 18+" />
-            <xs:enumeration value="Early Childhood" />
-            <xs:enumeration value="Everyone" />
-            <xs:enumeration value="Everyone 10+" />
-            <xs:enumeration value="G" />
-            <xs:enumeration value="Kids to Adults" />
-            <xs:enumeration value="M" />
-            <xs:enumeration value="MA15+" />
-            <xs:enumeration value="Mature 17+" />
-            <xs:enumeration value="PG" />
-            <xs:enumeration value="R18+" />
-            <xs:enumeration value="Rating Pending" />
-            <xs:enumeration value="Teen" />
-            <xs:enumeration value="X18+" />
+            <xs:enumeration value="Unknown"/>
+            <xs:enumeration value="Adults Only 18+"/>
+            <xs:enumeration value="Early Childhood"/>
+            <xs:enumeration value="Everyone"/>
+            <xs:enumeration value="Everyone 10+"/>
+            <xs:enumeration value="G"/>
+            <xs:enumeration value="Kids to Adults"/>
+            <xs:enumeration value="M"/>
+            <xs:enumeration value="MA15+"/>
+            <xs:enumeration value="Mature 17+"/>
+            <xs:enumeration value="PG"/>
+            <xs:enumeration value="R18+"/>
+            <xs:enumeration value="Rating Pending"/>
+            <xs:enumeration value="Teen"/>
+            <xs:enumeration value="X18+"/>
         </xs:restriction>
     </xs:simpleType>
     <xs:complexType name="ArrayOfComicPageInfo">
         <xs:sequence>
-            <xs:element minOccurs="0" maxOccurs="unbounded" name="Page" nillable="true" type="ComicPageInfo" />
+            <xs:element minOccurs="0" maxOccurs="unbounded" name="Page" nillable="true" type="ComicPageInfo"/>
         </xs:sequence>
     </xs:complexType>
     <xs:complexType name="ComicPageInfo">
-        <xs:attribute name="Image" type="xs:int" use="required" />
-        <xs:attribute default="Story" name="Type" type="ComicPageType" />
-        <xs:attribute default="false" name="DoublePage" type="xs:boolean" />
-        <xs:attribute default="0" name="ImageSize" type="xs:long" />
-        <xs:attribute default="" name="Key" type="xs:string" />
-        <xs:attribute default="" name="Bookmark" type="xs:string" />
-        <xs:attribute default="-1" name="ImageWidth" type="xs:int" />
-        <xs:attribute default="-1" name="ImageHeight" type="xs:int" />
+        <xs:attribute name="Image" type="xs:int" use="required"/>
+        <xs:attribute default="Story" name="Type" type="ComicPageType"/>
+        <xs:attribute default="false" name="DoublePage" type="xs:boolean"/>
+        <xs:attribute default="0" name="ImageSize" type="xs:long"/>
+        <xs:attribute default="" name="Key" type="xs:string"/>
+        <xs:attribute default="" name="Bookmark" type="xs:string"/>
+        <xs:attribute default="-1" name="ImageWidth" type="xs:int"/>
+        <xs:attribute default="-1" name="ImageHeight" type="xs:int"/>
     </xs:complexType>
     <xs:simpleType name="ComicPageType">
         <xs:list>
             <xs:simpleType>
                 <xs:restriction base="xs:string">
-                    <xs:enumeration value="FrontCover" />
-                    <xs:enumeration value="InnerCover" />
-                    <xs:enumeration value="Roundup" />
-                    <xs:enumeration value="Story" />
-                    <xs:enumeration value="Advertisement" />
-                    <xs:enumeration value="Editorial" />
-                    <xs:enumeration value="Letters" />
-                    <xs:enumeration value="Preview" />
-                    <xs:enumeration value="BackCover" />
-                    <xs:enumeration value="Other" />
-                    <xs:enumeration value="Deleted" />
+                    <xs:enumeration value="FrontCover"/>
+                    <xs:enumeration value="InnerCover"/>
+                    <xs:enumeration value="Roundup"/>
+                    <xs:enumeration value="Story"/>
+                    <xs:enumeration value="Advertisement"/>
+                    <xs:enumeration value="Editorial"/>
+                    <xs:enumeration value="Letters"/>
+                    <xs:enumeration value="Preview"/>
+                    <xs:enumeration value="BackCover"/>
+                    <xs:enumeration value="Other"/>
+                    <xs:enumeration value="Deleted"/>
                 </xs:restriction>
             </xs:simpleType>
         </xs:list>

docs/schema/v2.1/ComicInfo.xsd

@@ -1,66 +1,73 @@
 <?xml version="1.0" encoding="utf-8"?>
 <xs:schema elementFormDefault="qualified" xmlns:xs="http://www.w3.org/2001/XMLSchema">
-    <xs:element name="ComicInfo" nillable="true" type="ComicInfo" />
+    <xs:element name="ComicInfo" nillable="true" type="ComicInfo"/>
     <xs:complexType name="ComicInfo">
         <xs:sequence>
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Title" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Series" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Number" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="Count" type="xs:int" />
-            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="Volume" type="xs:int" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="AlternateSeries" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="AlternateNumber" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="AlternateCount" type="xs:int" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Summary" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Notes" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="Year" type="xs:int" />
-            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="Month" type="xs:int" />
-            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="Day" type="xs:int" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Writer" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Penciller" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Inker" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Colorist" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Letterer" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="CoverArtist" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Editor" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Translator" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Publisher" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Imprint" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Genre" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Tags" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Web" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="0" name="PageCount" type="xs:int" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="LanguageISO" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Format" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="Unknown" name="BlackAndWhite" type="YesNo" />
-            <xs:element minOccurs="0" maxOccurs="1" default="Unknown" name="Manga" type="Manga" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Characters" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Teams" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="Locations" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="ScanInformation" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="StoryArc" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="StoryArcNumber" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="SeriesGroup" type="xs:string" />
-            <xs:element minOccurs="0" maxOccurs="1" default="Unknown" name="AgeRating" type="AgeRating" />
-            <xs:element minOccurs="0" maxOccurs="1" name="Pages" type="ArrayOfComicPageInfo" />
-            <xs:element minOccurs="0" maxOccurs="1" name="CommunityRating" type="Rating" />
-            <xs:element minOccurs="0" maxOccurs="1" default="" name="MainCharacterOrTeam" type="xs:string" />
-	    <xs:element minOccurs="0" maxOccurs="1" default="" name="Review" type="xs:string" />
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Title" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Series" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Number" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="Count" type="xs:int"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="Volume" type="xs:int"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="AlternateSeries" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="AlternateNumber" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="AlternateCount" type="xs:int"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Summary" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Notes" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="Year" type="xs:int"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="Month" type="xs:int"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="-1" name="Day" type="xs:int"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Writer" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Penciller" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Inker" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Colorist" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Letterer" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="CoverArtist" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Editor" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Translator" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Publisher" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Imprint" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Genre" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Tags" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Web" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="0" name="PageCount" type="xs:int"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="LanguageISO" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Format" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="Unknown" name="BlackAndWhite" type="YesNo"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="Unknown" name="Manga" type="Manga"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Characters" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Teams" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Locations" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="ScanInformation" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="StoryArc" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="StoryArcNumber" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="SeriesGroup" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="Unknown" name="AgeRating" type="AgeRating"/>
+            <xs:element minOccurs="0" maxOccurs="1" name="Pages" type="ArrayOfComicPageInfo"/>
+            <xs:element minOccurs="0" maxOccurs="1" name="CommunityRating" type="Rating"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="MainCharacterOrTeam" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Review" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Added" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="Released" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="FileSize" type="xs:int"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="FileModifiedTime" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="FileCreationTime" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="BookPrice" type="xs:string"/>
+            <xs:element minOccurs="0" maxOccurs="1" default="" name="CustomValuesStore" type="xs:string"/>
         </xs:sequence>
     </xs:complexType>
     <xs:simpleType name="YesNo">
         <xs:restriction base="xs:string">
-            <xs:enumeration value="Unknown" />
-            <xs:enumeration value="No" />
-            <xs:enumeration value="Yes" />
+            <xs:enumeration value="Unknown"/>
+            <xs:enumeration value="No"/>
+            <xs:enumeration value="Yes"/>
         </xs:restriction>
     </xs:simpleType>
     <xs:simpleType name="Manga">
         <xs:restriction base="xs:string">
-            <xs:enumeration value="Unknown" />
-            <xs:enumeration value="No" />
-            <xs:enumeration value="Yes" />
-            <xs:enumeration value="YesAndRightToLeft" />
+            <xs:enumeration value="Unknown"/>
+            <xs:enumeration value="No"/>
+            <xs:enumeration value="Yes"/>
+            <xs:enumeration value="YesAndRightToLeft"/>
         </xs:restriction>
     </xs:simpleType>
     <xs:simpleType name="Rating">
@@ -72,53 +79,53 @@
     </xs:simpleType>
     <xs:simpleType name="AgeRating">
         <xs:restriction base="xs:string">
-            <xs:enumeration value="Unknown" />
-            <xs:enumeration value="Adults Only 18+" />
-            <xs:enumeration value="Early Childhood" />
-            <xs:enumeration value="Everyone" />
-            <xs:enumeration value="Everyone 10+" />
-            <xs:enumeration value="G" />
-            <xs:enumeration value="Kids to Adults" />
-            <xs:enumeration value="M" />
-            <xs:enumeration value="MA15+" />
-            <xs:enumeration value="Mature 17+" />
-            <xs:enumeration value="PG" />
-            <xs:enumeration value="R18+" />
-            <xs:enumeration value="Rating Pending" />
-            <xs:enumeration value="Teen" />
-            <xs:enumeration value="X18+" />
+            <xs:enumeration value="Unknown"/>
+            <xs:enumeration value="Adults Only 18+"/>
+            <xs:enumeration value="Early Childhood"/>
+            <xs:enumeration value="Everyone"/>
+            <xs:enumeration value="Everyone 10+"/>
+            <xs:enumeration value="G"/>
+            <xs:enumeration value="Kids to Adults"/>
+            <xs:enumeration value="M"/>
+            <xs:enumeration value="MA15+"/>
+            <xs:enumeration value="Mature 17+"/>
+            <xs:enumeration value="PG"/>
+            <xs:enumeration value="R18+"/>
+            <xs:enumeration value="Rating Pending"/>
+            <xs:enumeration value="Teen"/>
+            <xs:enumeration value="X18+"/>
         </xs:restriction>
     </xs:simpleType>
     <xs:complexType name="ArrayOfComicPageInfo">
         <xs:sequence>
-            <xs:element minOccurs="0" maxOccurs="unbounded" name="Page" nillable="true" type="ComicPageInfo" />
+            <xs:element minOccurs="0" maxOccurs="unbounded" name="Page" nillable="true" type="ComicPageInfo"/>
         </xs:sequence>
     </xs:complexType>
     <xs:complexType name="ComicPageInfo">
-        <xs:attribute name="Image" type="xs:int" use="required" />
-        <xs:attribute default="Story" name="Type" type="ComicPageType" />
-        <xs:attribute default="false" name="DoublePage" type="xs:boolean" />
-        <xs:attribute default="0" name="ImageSize" type="xs:long" />
-        <xs:attribute default="" name="Key" type="xs:string" />
-        <xs:attribute default="" name="Bookmark" type="xs:string" />
-        <xs:attribute default="-1" name="ImageWidth" type="xs:int" />
-        <xs:attribute default="-1" name="ImageHeight" type="xs:int" />
+        <xs:attribute name="Image" type="xs:int" use="required"/>
+        <xs:attribute default="Story" name="Type" type="ComicPageType"/>
+        <xs:attribute default="false" name="DoublePage" type="xs:boolean"/>
+        <xs:attribute default="0" name="ImageSize" type="xs:long"/>
+        <xs:attribute default="" name="Key" type="xs:string"/>
+        <xs:attribute default="" name="Bookmark" type="xs:string"/>
+        <xs:attribute default="-1" name="ImageWidth" type="xs:int"/>
+        <xs:attribute default="-1" name="ImageHeight" type="xs:int"/>
     </xs:complexType>
     <xs:simpleType name="ComicPageType">
         <xs:list>
             <xs:simpleType>
                 <xs:restriction base="xs:string">
-                    <xs:enumeration value="FrontCover" />
-                    <xs:enumeration value="InnerCover" />
-                    <xs:enumeration value="Roundup" />
-                    <xs:enumeration value="Story" />
-                    <xs:enumeration value="Advertisement" />
-                    <xs:enumeration value="Editorial" />
-                    <xs:enumeration value="Letters" />
-                    <xs:enumeration value="Preview" />
-                    <xs:enumeration value="BackCover" />
-                    <xs:enumeration value="Other" />
-                    <xs:enumeration value="Deleted" />
+                    <xs:enumeration value="FrontCover"/>
+                    <xs:enumeration value="InnerCover"/>
+                    <xs:enumeration value="Roundup"/>
+                    <xs:enumeration value="Story"/>
+                    <xs:enumeration value="Advertisement"/>
+                    <xs:enumeration value="Editorial"/>
+                    <xs:enumeration value="Letters"/>
+                    <xs:enumeration value="Preview"/>
+                    <xs:enumeration value="BackCover"/>
+                    <xs:enumeration value="Other"/>
+                    <xs:enumeration value="Deleted"/>
                 </xs:restriction>
             </xs:simpleType>
         </xs:list>

pycbzhelper/__init__.py

@@ -1,4 +0,0 @@
-from .helper import *
-from .comicinfo import *
-
-__version__ = "3.0.1"

pycbzhelper/comicinfo.py

@@ -1,44 +0,0 @@
-"""
-Refer:
-- https://github.com/comictagger/comictagger
-- https://github.com/Kussie/ComicInfoStandard
-- https://github.com/anansi-project/comicinfo
-"""
-
-KEYS_STRING = [
-    'Title', 'Series', 'Number', 'AlternateSeries', 'AlternateNumber',
-    'Summary', 'Notes', 'Writer', 'Penciller', 'Inker', 'Colorist',
-    'Letterer', 'CoverArtist', 'Editor', 'Publisher', 'Imprint', 'Genre',
-    'Web', 'Characters', 'Teams', 'Locations', 'ScanInformation',
-    'StoryArc', 'SeriesGroup', 'CommunityRating'
-]
-
-KEYS_INT = [
-    'Count', 'Volume', 'AlternateCount', 'Year', 'Month', 'Day', 'PageCount'
-]
-
-KEYS_SPECIAL = [
-    'BlackAndWhite', 'Manga', 'AgeRating', 'Pages', 'LanguageISO', 'Format', 'ESN'
-]
-
-KEYS_AGE = [
-    'Adults Only 18+', 'Early Childhood', 'Everyone', 'Everyone 10+',
-    'G', 'Kids to Adults', 'M', 'MA 15+', 'Mature 17+', 'PG', 'R18+',
-    'Rating Pending', 'Teen', 'X18+', 'Rating Pending'
-]
-
-KEYS_FORMAT = [
-    '1 Shot', '1/2', '1-Shot', 'Annotation', 'Annotations',
-    'Annual', 'Anthology', 'B&W', 'B/W', 'B&&W', 'Black & White', 'Box Set',
-    'Box-Set', 'Crossover', "Director's Cut", 'Epilogue', 'Event', 'FCBD',
-    'Flyer', 'Giant', 'Giant Size', 'Giant-Size', 'Graphic Novel', 'Hardcover',
-    'Hard-Cover', 'King', 'King Size', 'King-Size', 'Limited Series', 'Magazine',
-    'NSFW', 'One Shot', 'One-Shot', 'Point 1', 'Preview', 'Prologue', 'Reference',
-    'Review', 'Reviewed', 'Scanlation', 'Script', 'Series', 'Sketch', 'Special',
-    'TPB', 'Trade Paper Back', 'WebComic', 'Web Comic', 'Year 1', 'Year One'
-]
-
-KEYS_PAGE_TYPE = [
-    'FrontCover', 'InnerCover', 'Roundup', 'Story', 'Advertisment',
-    'Editorial', 'Letters', 'Preview', 'BackCover', 'Other', 'Deleted'
-]

pycbzhelper/exceptions.py

@@ -1,14 +0,0 @@
-class PyCBZHelperException(Exception):
-    """Exceptions used by pycbzhelper."""
-
-
-class InvalidKeyValue(PyCBZHelperException):
-    """The key value is invalid."""
-
-
-class MissingPageFile(PyCBZHelperException):
-    """No page available."""
-
-
-class InvalidFilePermission(PyCBZHelperException):
-    """Unable to delete existing file."""

pycbzhelper/helper.py

@@ -1,120 +0,0 @@
-import os
-import shutil
-import zipfile
-
-from json2xml import json2xml
-from langcodes import Language
-from PIL import Image
-
-from pycbzhelper.comicinfo import KEYS_STRING, KEYS_INT, KEYS_SPECIAL, KEYS_AGE, KEYS_FORMAT, KEYS_PAGE_TYPE
-from pycbzhelper.exceptions import InvalidKeyValue, MissingPageFile, InvalidFilePermission
-from pycbzhelper.utils import get_key_value, delete_none, slugify
-
-
-class Helper:
-
-    def __init__(self, kwargs):
-        self._files = []
-        self.metadata = self._get_metadata(kwargs)
-
-    def _get_metadata(self, kwargs) -> str:
-        # NOTE: Check metadata
-        for key in KEYS_STRING:
-            if kwargs.get(key) and not isinstance(kwargs.get(key), str):
-                raise InvalidKeyValue(f"ERROR: Key must be string: {key}")
-
-        for key in KEYS_INT:
-            if kwargs.get(key) and not isinstance(kwargs.get(key), int):
-                raise InvalidKeyValue(f"ERROR: Key must be integer: {key}")
-
-        for key in KEYS_SPECIAL:
-            if kwargs.get(key):
-                if key == 'BlackAndWhite' and get_key_value(kwargs.get(key)) not in ['Yes', 'No']:
-                    raise InvalidKeyValue(f"ERROR: Key must be boolean: {key}")
-                elif key == 'Manga' and get_key_value(kwargs.get(key)) not in ['YesAndRightToLeft', 'Yes', 'No']:
-                    raise InvalidKeyValue(f"ERROR: Key must be boolean or special boolean: {key}")
-                elif key == 'AgeRating' and kwargs.get(key) not in KEYS_AGE:
-                    raise InvalidKeyValue(f"ERROR: Key must be special age: {key}")
-                elif key == 'LanguageISO' and not Language.get(kwargs.get(key)).is_valid():
-                    raise InvalidKeyValue(f"ERROR: Key must be ISO language: {key}")
-                elif key == 'Format' and kwargs.get(key) not in KEYS_FORMAT:
-                    raise InvalidKeyValue(f"ERROR: Key must be special format: {key}")
-                elif key == 'Pages':
-                    if isinstance(kwargs.get(key), list):
-                        for page in kwargs.get(key):
-                            if not page.get('File') or not isinstance(page.get('File'), str) or not os.path.exists(page.get('File')):
-                                raise InvalidKeyValue(f"ERROR: Key must be existing string path: {key}")
-                            if page.get('Type') and not page.get('Type') in KEYS_PAGE_TYPE:
-                                raise InvalidKeyValue("ERROR: Key must be special type: Type")
-                            if page.get('DoublePage') and get_key_value(page.get('DoublePage')) not in ['Yes', 'No']:
-                                raise InvalidKeyValue("ERROR: Key must be boolean: DoublePage")
-                    else:
-                        raise InvalidKeyValue(f"ERROR: Key must be a list: {key}")
-
-        # NOTE: Set metadata
-        pages = []
-        if kwargs.get('Pages'):
-            # [{'File': 'FILE_PATH', 'Type': 'FrontCover', 'DoublePage': False}]
-            pages.append("	<Pages>")
-            kwargs['PageCount'] = len(kwargs.get('Pages'))
-            for i in range(kwargs.get('PageCount')):
-                page = kwargs.get('Pages')[i]
-                properties = Image.open(page['File'])
-                self._files.append(page['File'])
-                if not page.get('Type'):
-                    page['Type'] = 'FrontCover' if i == 0 else 'Story'
-
-                item = '		<Page DoublePage="True"' if get_key_value(
-                    page.get('DoublePage', False)) == 'Yes' else '		<Page'
-                pages.append(
-                    item + ' Image="{image}" ImageHeight="{height}" ImageSize="{size}" ImageWidth="{width}" Type="{type}" />'.format(
-                        double="False" if get_key_value(page.get('DoublePage', False)) == 'No' else "True",
-                        image=i,
-                        height=properties.height,
-                        size=len(properties.fp.read()),
-                        width=properties.width,
-                        type=page['Type']
-                    )
-                    )
-            pages.append("	</Pages>")
-            del kwargs['Pages']
-        pages.append("</ComicInfo>")
-
-        json_data = {}
-        for key in KEYS_STRING + KEYS_INT + KEYS_SPECIAL:
-            json_data[key] = get_key_value(kwargs.get(key))
-
-        xml_data = json2xml.Json2xml(delete_none(json_data), wrapper="ComicInfo", pretty=True, attr_type=False).to_xml()
-        if not xml_data:
-            xml_data = '\n'.join(['<?xml version="1.0" ?>', '<ComicInfo>', '</ComicInfo>'])
-            print('WARNING: No metadata to create.')
-        xml_data = xml_data.replace('<?xml version="1.0" ?>', '<?xml version="1.0" encoding="utf-8"?>')
-        xml_data = xml_data.replace('</ComicInfo>', '\n'.join(pages))
-        return xml_data.strip()
-
-    def save_cbz(self, path: str, file: str, clear: bool = False, replace: bool = True) -> None:
-        if len(self._files) == 0:
-            raise MissingPageFile('ERROR: No pages available.')
-
-        output = os.path.join(path, f"{slugify(file, allow_unicode=False)}.cbz")
-        if not os.path.exists(path):
-            os.makedirs(path)
-        if os.path.exists(output) and not replace:
-            raise InvalidFilePermission('ERROR: File already exists. The replace option is not enabled.')
-        elif os.path.exists(output):
-            os.remove(output)
-
-        clear_path = []
-        cbz = zipfile.ZipFile(output, 'w', compression=zipfile.ZIP_STORED)
-        for file in self._files:
-            if os.path.dirname(file) not in clear_path:
-                clear_path.append(os.path.dirname(file))
-            with open(file, mode='rb') as f:
-                cbz.writestr(os.path.basename(file), data=f.read())
-        cbz.writestr('ComicInfo.xml', data=self.metadata.encode('utf-8'))
-        cbz.close()
-        print(f"INFO: File create: {output}")
-        if clear:
-            for path in clear_path:
-                shutil.rmtree(path)
-                print(f"INFO: Folder deleted: {path}")

pycbzhelper/utils.py

@@ -1,47 +0,0 @@
-from __future__ import annotations
-from typing import Union
-
-import unicodedata
-
-
-def get_key_value(_value) -> str:
-    if isinstance(_value, str):
-        if _value in ['YesAndRightToLeft', 'Yes', 'No']:
-            return _value
-    elif isinstance(_value, bool):
-        return 'Yes' if _value else 'No'
-    return _value
-
-
-def delete_none(_dict: dict) -> dict:
-    """Delete None values recursively from all of the dictionaries, tuples, lists, sets"""
-    if isinstance(_dict, dict):
-        for key, value in list(_dict.items()):
-            if isinstance(value, (list, dict, tuple, set)):
-                _dict[key] = delete_none(value)
-            elif value is None or key is None:
-                del _dict[key]
-            if value == {}:
-                del _dict[key]
-
-    elif isinstance(_dict, (list, set, tuple)):
-        _dict = type(_dict)(delete_none(item) for item in _dict if item is not None)
-    return _dict
-
-
-def slugify(value: Union[str, int], allow_unicode: bool = False) -> str:
-    """
-    Taken from https://github.com/django/django/blob/master/django/utils/text.py
-    Convert to ASCII if 'allow_unicode' is False. Convert spaces or repeated
-    dashes to single dashes. Remove characters that aren't alphanumerics,
-    underscores, or hyphens. Convert to lowercase. Also strip leading and
-    trailing whitespace, dashes, and underscores.
-    """
-    value = str(value)
-    if allow_unicode:
-        value = unicodedata.normalize('NFKC', value)
-    else:
-        value = unicodedata.normalize('NFKD', value).encode('ascii', 'ignore').decode('ascii')
-    # value = re.sub(r'[^\w\s-]', '', value.lower())
-    # return re.sub(r'[-\s]+', '-', value).strip('-_')
-    return value

pyproject.toml

@@ -0,0 +1,80 @@
+[build-system]
+requires = ["poetry-core>=1.0.0"]
+build-backend = "poetry.core.masonry.api"
+
+[tool.poetry]
+name = "cbz"
+version = "4.0.0"
+description = "Modern Python library for creating, manipulating and viewing comics in CBZ, CBR and PDF formats."
+license = "MIT"
+authors = ["hyugogirubato <65763543+hyugogirubato@users.noreply.github.com>"]
+readme = "README.md"
+repository = "https://github.com/hyugogirubato/cbz"
+keywords = [
+    "python",
+    "cbz",
+    "cbr",
+    "pdf",
+    "ebooks",
+    "manga",
+    "comics",
+    "webtoons"
+]
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Intended Audience :: Developers",
+    "Intended Audience :: End Users/Desktop",
+    "Natural Language :: English",
+    "Operating System :: OS Independent",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
+    "Topic :: Utilities",
+    "Topic :: Software Development :: Libraries :: Python Modules",
+    "Typing :: Typed",
+]
+include = [
+    { path = "CHANGELOG.md", format = "sdist" },
+    { path = "README.md", format = "sdist" },
+    { path = "LICENSE", format = "sdist" },
+]
+
+[tool.poetry.urls]
+"Issues" = "https://github.com/hyugogirubato/cbz/issues"
+"Changelog" = "https://github.com/hyugogirubato/cbz/blob/main/CHANGELOG.md"
+
+[tool.poetry.dependencies]
+python = ">=3.9,<4.0"
+langcodes = ">=3.4.0"
+Pillow = ">=10.4.0"
+pypdf = ">=5.7.0"
+rarfile = ">=4.2"
+xmltodict = ">=0.14.2"
+pillow-avif-plugin = { version = ">=1.5.2", optional = true }
+pillow-jxl-plugin = { version = ">=1.3.4", optional = true }
+
+[tool.poetry.extras]
+pillow = ["pillow-avif-plugin", "pillow-jxl-plugin"]
+
+[tool.poetry.scripts]
+cbzplayer = "cbz.__main__:main"
+
+[[tool.poetry.source]]
+name = "localpypi"
+url = "https://pypi.org/simple/"
+priority = "primary"
+
+[tool.poetry.group.dev.dependencies]
+pytest = ">=7.4.0,<10.0.0"
+pytest-cov = ">=5.0.0"
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]
+addopts = [
+    "--cov=cbz",
+]
+
+[certificates]
+localpypi = { cert = false }

setup.py

@@ -1,30 +0,0 @@
-"""Setup module"""
-
-from setuptools import setup
-
-with open('README.md', 'r') as fh:
-    LONG_DESCRIPTION = fh.read()
-
-setup(
-    name='pycbzhelper',
-    version='3.0.1',
-    description='Python library to create a cbz file with metadata.',
-    long_description=LONG_DESCRIPTION,
-    long_description_content_type='text/markdown',
-    url='https://github.com/hyugogirubato/pycbzhelper',
-    author='hyugogirubato',
-    author_email='hyugogirubato@gmail.com',
-    license='GNU GPLv3',
-    packages=['pycbzhelper'],
-    install_requires=['json2xml', 'langcodes', 'pillow'],
-    classifiers=[
-        'Environment :: Console',
-        'License :: OSI Approved :: GNU General Public License v3 (GPLv3)',
-        'Operating System :: OS Independent',
-        'Programming Language :: Python :: 3.4',
-        'Programming Language :: Python :: 3.5',
-        'Programming Language :: Python :: 3.6',
-        'Programming Language :: Python :: 3.7',
-        'Topic :: Utilities'
-    ]
-)

tests.py

@@ -1,43 +0,0 @@
-import os
-
-import pycbzhelper
-
-if __name__ == '__main__':
-    pages = []
-    for i in range(11):
-        pages.append({'File': os.path.join('images', f"page-{i:03d}.jpg")})
-
-    metadata = {
-        'Title': 'T1 - Arrête de me chauffer, Nagatoro',
-        'Series': 'Arrête de me chauffer, Nagatoro',
-        'Number': '1',
-        'Count': 8,
-        'Volume': 1,
-        'Summary': 'Nagatoro est en seconde. Pleine d\u2019assurance, joueuse, moqueuse, elle se d\u00e9couvre un jour un passe-temps favori : martyriser son \u201cSenpai\u201d, lyc\u00e9en de premi\u00e8re timide et mal dans sa peau. Nagatoro taquine, agace, aguiche, va parfois trop loin... mais qu\u2019a-t-elle vraiment derri\u00e8re la t\u00eate ? Et si derri\u00e8re ses moqueries elle cachait une v\u00e9ritable affection ?  Et si finalement, ses farces permettaient \u00e0 Senpai de s\u2019affirmer ?',
-        'Year': 2021,
-        'Month': 3,
-        'Day': 12,
-        'Writer': 'Nanashi',
-        'Inker': 'Nanashi',
-        'Editor': 'Noeve Grafx',
-        'Publisher': 'Noeve Grafx',
-        'Imprint': 'Noeve Grafx',
-        'Genre': 'Shonen',
-        'Web': 'http://www.izneo.com/en/manga/shonen/arrete-de-me-chauffer-nagatoro-37560/arrete-de-me-chauffer-nagatoro-86232',
-        'LanguageISO': 'fr',
-        'Format': 'Preview',
-        'BlackAndWhite': True,
-        'Manga': 'YesAndRightToLeft',
-        'AgeRating': 'Everyone 10+',
-        'CommunityRating': '5.0',
-        'ean': '9782490676569',
-        'Pages': pages
-    }
-
-    helper = pycbzhelper.Helper(metadata)
-    helper.save_cbz(
-        path=os.path.join('eBooks', 'Arrête de me chauffer, Nagatoro'),
-        file='T1 - Arrête de me chauffer, Nagatoro',
-        clear=False,
-        replace=True
-    )

tests/conftest.py

@@ -0,0 +1,53 @@
+"""Test fixtures for the CBZ library."""
+
+from pathlib import Path
+
+import pytest
+
+from cbz.comic import ComicInfo
+from cbz.constants import PageType
+from cbz.page import PageInfo
+
+
+@pytest.fixture
+def fixtures_dir() -> Path:
+    """Path to the test fixtures directory."""
+    return Path(__file__).parent / "fixtures"
+
+
+@pytest.fixture
+def images_dir(fixtures_dir: Path) -> Path:
+    """Path to the test images directory."""
+    return fixtures_dir / "images"
+
+
+@pytest.fixture
+def sample_image_path(images_dir: Path) -> Path:
+    """Path to a sample test image."""
+    return images_dir / "page-000.jpg"
+
+
+@pytest.fixture
+def sample_cbz_file(tmp_path: Path, images_dir: Path) -> Path:
+    """Create a temporary CBZ file for testing."""
+    image_paths = sorted(list(images_dir.iterdir()))[:3]
+    pages = [
+        PageInfo.load(
+            path=path,
+            type=PageType.FRONT_COVER if i == 0 else PageType.STORY,
+        )
+        for i, path in enumerate(image_paths)
+    ]
+
+    comic = ComicInfo.from_pages(
+        pages=pages,
+        title="Test Comic",
+        series="Test Series",
+        number=1,
+        volume=1,
+        year=2024,
+    )
+
+    cbz_path = tmp_path / "test_comic.cbz"
+    cbz_path.write_bytes(comic.pack())
+    return cbz_path

tests/example.py

@@ -0,0 +1,64 @@
+"""Usage example for the CBZ library."""
+
+from pathlib import Path
+
+from cbz import ComicInfo, PageInfo, PageType, Format, YesNo, Manga, AgeRating
+
+PARENT = Path(__file__).parent
+
+if __name__ == "__main__":
+    paths = sorted((PARENT / "fixtures" / "images").iterdir())
+
+    # Load pages with automatic type assignment
+    pages = [
+        PageInfo.load(
+            path=path,
+            type=(
+                PageType.FRONT_COVER if i == 0
+                else PageType.BACK_COVER if i == len(paths) - 1
+                else PageType.STORY
+            ),
+        )
+        for i, path in enumerate(paths)
+    ]
+
+    # Create comic with metadata
+    comic = ComicInfo.from_pages(
+        pages=pages,
+        title="T1 - Arrête de me chauffer, Nagatoro",
+        series="Arrête de me chauffer, Nagatoro",
+        number=1,
+        count=8,
+        volume=1,
+        summary="Nagatoro est en seconde. Pleine d\u2019assurance, joueuse, moqueuse, elle se d\u00e9couvre un jour un passe-temps favori : martyriser son \u201cSenpai\u201d, lyc\u00e9en de premi\u00e8re timide et mal dans sa peau. Nagatoro taquine, agace, aguiche, va parfois trop loin... mais qu\u2019a-t-elle vraiment derri\u00e8re la t\u00eate ? Et si derri\u00e8re ses moqueries elle cachait une v\u00e9ritable affection ?  Et si finalement, ses farces permettaient \u00e0 Senpai de s\u2019affirmer ?",
+        year=2021,
+        month=3,
+        day=12,
+        writer="Nanashi",
+        inker="Nanashi",
+        editor="Noeve Grafx",
+        publisher="Noeve Grafx",
+        imprint="Noeve Grafx",
+        genre="Shonen",
+        web="http://www.izneo.com/en/manga/shonen/arrete-de-me-chauffer-nagatoro-37560/arrete-de-me-chauffer-nagatoro-86232",
+        language_iso="fr",
+        format=Format.PREVIEW,
+        black_white=YesNo.YES,
+        manga=Manga.YES_AND_RIGHT_TO_LEFT,
+        age_rating=AgeRating.EVERYONE_10_PLUS,
+        community_rating=5,
+        ean="9782490676569",
+    )
+
+    # Use the sequence protocol
+    print(f"Number of pages: {len(comic)}")
+    for i, page in enumerate(comic):
+        print(f"  Page {i}: {page.image_width}x{page.image_height} ({page.type})")
+
+    # Display in the built-in reader
+    comic.show()
+
+    # Save as CBZ
+    cbz_path = PARENT / f"{comic.title}.cbz"
+    comic.save(cbz_path)
+    print(f"Saved: {cbz_path}")

tests/test_comic.py

@@ -0,0 +1,221 @@
+"""Tests for the ComicInfo class."""
+
+import tempfile
+from pathlib import Path
+
+from cbz.comic import ComicInfo
+from cbz.constants import AgeRating, Format, Manga, PageType, YesNo
+from cbz.page import PageInfo
+
+
+class TestComicInfo:
+    """Tests for comic creation, loading and serialization."""
+
+    def test_from_pages_creation(self, images_dir: Path) -> None:
+        """Create a ComicInfo from pages."""
+        image_paths = sorted(list(images_dir.iterdir()))[:3]
+        pages = [
+            PageInfo.load(
+                path=path,
+                type=PageType.FRONT_COVER if i == 0 else PageType.STORY,
+            )
+            for i, path in enumerate(image_paths)
+        ]
+
+        comic = ComicInfo.from_pages(
+            pages=pages,
+            title="Test Comic",
+            series="Test Series",
+            number=1,
+            volume=1,
+            year=2024,
+        )
+
+        assert comic.title == "Test Comic"
+        assert comic.series == "Test Series"
+        assert comic.number == 1
+        assert comic.volume == 1
+        assert comic.year == 2024
+        assert len(comic) == 3
+        assert comic[0].type == PageType.FRONT_COVER
+        assert comic[1].type == PageType.STORY
+
+    def test_from_cbz_file(self, sample_cbz_file: Path) -> None:
+        """Load from a CBZ file."""
+        comic = ComicInfo.from_cbz(sample_cbz_file)
+
+        assert comic is not None
+        assert len(comic) > 0
+        assert all(isinstance(page, PageInfo) for page in comic)
+
+    def test_pack_cbz(self, images_dir: Path) -> None:
+        """Pack into CBZ format."""
+        image_paths = sorted(list(images_dir.iterdir()))[:2]
+        pages = [PageInfo.load(path=path) for path in image_paths]
+
+        comic = ComicInfo.from_pages(
+            pages=pages,
+            title="Pack Test",
+            series="Test Series",
+        )
+
+        cbz_content = comic.pack()
+        assert isinstance(cbz_content, bytes)
+        assert len(cbz_content) > 0
+
+    def test_pack_with_rename(self, images_dir: Path) -> None:
+        """Pack with sequential page renaming."""
+        image_paths = sorted(list(images_dir.iterdir()))[:2]
+        pages = [PageInfo.load(path=path) for path in image_paths]
+
+        comic = ComicInfo.from_pages(pages=pages, title="Rename Test")
+        cbz_content = comic.pack(rename=True)
+
+        assert isinstance(cbz_content, bytes)
+        assert len(cbz_content) > 0
+
+    def test_comic_metadata_properties(self, images_dir: Path) -> None:
+        """Verify all metadata fields."""
+        image_paths = sorted(list(images_dir.iterdir()))[:1]
+        pages = [PageInfo.load(path=path) for path in image_paths]
+
+        comic = ComicInfo.from_pages(
+            pages=pages,
+            title="Metadata Test",
+            series="Test Series",
+            number=5,
+            count=10,
+            volume=2,
+            summary="Test summary",
+            year=2023,
+            month=6,
+            day=15,
+            writer="Test Writer",
+            penciller="Test Penciller",
+            inker="Test Inker",
+            colorist="Test Colorist",
+            letterer="Test Letterer",
+            cover_artist="Test Cover Artist",
+            editor="Test Editor",
+            publisher="Test Publisher",
+            imprint="Test Imprint",
+            genre="Test Genre",
+            language_iso="en",
+            format=Format.SERIES,
+            black_white=YesNo.NO,
+            manga=Manga.YES_AND_RIGHT_TO_LEFT,
+            age_rating=AgeRating.TEEN,
+            community_rating=4,
+        )
+
+        assert comic.title == "Metadata Test"
+        assert comic.series == "Test Series"
+        assert comic.number == 5
+        assert comic.count == 10
+        assert comic.volume == 2
+        assert comic.summary == "Test summary"
+        assert comic.year == 2023
+        assert comic.month == 6
+        assert comic.day == 15
+        assert comic.writer == "Test Writer"
+        assert comic.penciller == "Test Penciller"
+        assert comic.inker == "Test Inker"
+        assert comic.colorist == "Test Colorist"
+        assert comic.letterer == "Test Letterer"
+        assert comic.cover_artist == "Test Cover Artist"
+        assert comic.editor == "Test Editor"
+        assert comic.publisher == "Test Publisher"
+        assert comic.imprint == "Test Imprint"
+        assert comic.genre == "Test Genre"
+        assert comic.language_iso == "en"
+        assert comic.format == Format.SERIES
+        assert comic.black_white == YesNo.NO
+        assert comic.manga == Manga.YES_AND_RIGHT_TO_LEFT
+        assert comic.age_rating == AgeRating.TEEN
+        assert comic.community_rating == 4
+
+    def test_page_count_property(self, images_dir: Path) -> None:
+        """Verify page count via len()."""
+        image_paths = sorted(list(images_dir.iterdir()))[:4]
+        pages = [PageInfo.load(path=path) for path in image_paths]
+
+        comic = ComicInfo.from_pages(pages=pages, title="Count Test")
+        assert len(comic) == 4
+
+    def test_empty_pages_list(self) -> None:
+        """Create a comic with no pages."""
+        comic = ComicInfo.from_pages(pages=[], title="Empty Test")
+        assert comic.title == "Empty Test"
+        assert len(comic) == 0
+
+    def test_single_page_comic_load(self, images_dir: Path) -> None:
+        """Round-trip load of a single-page comic."""
+        image_paths = sorted(list(images_dir.iterdir()))[:1]
+        pages = [PageInfo.load(path=path) for path in image_paths]
+
+        comic = ComicInfo.from_pages(pages=pages, title="Single Page Test")
+
+        with tempfile.TemporaryDirectory() as temp_dir:
+            temp_path = Path(temp_dir) / "single_page.cbz"
+            comic.save(temp_path)
+            assert temp_path.exists()
+
+            loaded = ComicInfo.from_cbz(temp_path)
+            assert loaded.title == "Single Page Test"
+            assert len(loaded) == 1
+
+    def test_sequence_protocol(self, images_dir: Path) -> None:
+        """Verify sequence protocol (iteration, indexing)."""
+        image_paths = sorted(list(images_dir.iterdir()))[:3]
+        pages = [PageInfo.load(path=path) for path in image_paths]
+
+        comic = ComicInfo.from_pages(pages=pages, title="Sequence Test")
+
+        # Iteration
+        count = 0
+        for page in comic:
+            assert isinstance(page, PageInfo)
+            count += 1
+        assert count == 3
+
+        # Indexing
+        first = comic[0]
+        assert isinstance(first, PageInfo)
+        last = comic[-1]
+        assert isinstance(last, PageInfo)
+
+        # Slicing
+        subset = comic[0:2]
+        assert len(subset) == 2
+
+        # Containment
+        assert first in comic
+
+    def test_get_info(self, images_dir: Path) -> None:
+        """Verify metadata serialization."""
+        image_paths = sorted(list(images_dir.iterdir()))[:2]
+        pages = [PageInfo.load(path=path) for path in image_paths]
+
+        comic = ComicInfo.from_pages(
+            pages=pages,
+            title="Info Test",
+            series="Test Series",
+            year=2024,
+        )
+
+        info = comic.get_info()
+        assert info["Title"] == "Info Test"
+        assert info["Series"] == "Test Series"
+        assert info["Year"] == 2024
+        assert info["PageCount"] == 2
+        assert "Pages" in info
+        assert len(info["Pages"]["Page"]) == 2
+
+    def test_none_defaults(self) -> None:
+        """Verify optional fields default to None."""
+        comic = ComicInfo.from_pages(pages=[])
+        assert comic.number is None
+        assert comic.count is None
+        assert comic.volume is None
+        assert comic.year is None
+        assert comic.community_rating is None

tests/test_models.py

@@ -0,0 +1,204 @@
+"""Tests for data models."""
+
+from dataclasses import fields
+
+import pytest
+
+from cbz.constants import (
+    AgeRating,
+    Format,
+    LanguageISO,
+    Manga,
+    PageType,
+    Rating,
+    YesNo,
+)
+from cbz.models import ComicModel, PageModel, _get_xml_mapping
+
+
+class TestComicModel:
+    """Tests for the ComicModel dataclass."""
+
+    def test_default_values(self) -> None:
+        """Correct default values."""
+        model = ComicModel()
+
+        assert model.title == ""
+        assert model.series == ""
+        assert model.number is None
+        assert model.count is None
+        assert model.volume is None
+        assert model.year is None
+        assert model.format == Format.UNKNOWN
+        assert model.black_white == YesNo.UNKNOWN
+        assert model.manga == Manga.UNKNOWN
+        assert model.age_rating == AgeRating.UNKNOWN
+        assert model.community_rating is None
+
+    def test_with_values(self) -> None:
+        """Creation with specific values."""
+        model = ComicModel(
+            title="Test Comic",
+            series="Test Series",
+            number=1,
+            volume=1,
+            year=2024,
+            month=6,
+            day=15,
+            writer="Test Writer",
+            publisher="Test Publisher",
+            language_iso=LanguageISO("en"),
+            format=Format.SERIES,
+            black_white=YesNo.NO,
+            manga=Manga.YES_AND_RIGHT_TO_LEFT,
+            age_rating=AgeRating.EVERYONE,
+        )
+
+        assert model.title == "Test Comic"
+        assert model.series == "Test Series"
+        assert model.number == 1
+        assert model.year == 2024
+        assert model.format == Format.SERIES
+        assert model.manga == Manga.YES_AND_RIGHT_TO_LEFT
+
+    def test_enum_assignment(self) -> None:
+        """Enum assignment."""
+        model = ComicModel()
+
+        model.format = Format.PREVIEW
+        assert model.format == Format.PREVIEW
+
+        model.black_white = YesNo.YES
+        assert model.black_white == YesNo.YES
+
+        model.manga = Manga.YES_AND_RIGHT_TO_LEFT
+        assert model.manga == Manga.YES_AND_RIGHT_TO_LEFT
+
+        model.age_rating = AgeRating.TEEN
+        assert model.age_rating == AgeRating.TEEN
+
+    def test_metadata_fields(self) -> None:
+        """Verify metadata fields."""
+        model = ComicModel(
+            summary="Test summary",
+            notes="Test notes",
+            genre="Adventure",
+            web="http://example.com",
+            ean="1234567890123",
+            community_rating=Rating(5),
+            main_character_or_team="Hero",
+            characters="Hero, Villain",
+            teams="Justice League",
+            locations="Metropolis",
+            scan_information="Scanned by Test",
+            story_arc="Origin Story",
+            series_group="DC Comics",
+            alternate_series="Alternate Universe",
+            alternate_number=2,
+            alternate_count=10,
+        )
+
+        assert model.summary == "Test summary"
+        assert model.genre == "Adventure"
+        assert model.community_rating == 5
+        assert model.characters == "Hero, Villain"
+        assert model.alternate_number == 2
+
+    def test_xml_mapping(self) -> None:
+        """Verify XML mapping."""
+        mapping = _get_xml_mapping(ComicModel)
+        assert "title" in mapping
+        assert mapping["title"][0] == "Title"
+
+    def test_all_fields_have_xml_mapping(self) -> None:
+        """All annotated fields have an XML mapping."""
+        mapping = _get_xml_mapping(ComicModel)
+        for f in fields(ComicModel):
+            if "xml_name" in f.metadata:
+                assert f.name in mapping
+
+
+class TestPageModel:
+    """Tests for the PageModel dataclass."""
+
+    def test_default_values(self) -> None:
+        """Correct default values."""
+        model = PageModel()
+
+        assert model.type == PageType.STORY
+        assert model.double is False
+        assert model.image_size == 0
+        assert model.key == ""
+        assert model.bookmark == ""
+        assert model.image_width == 0
+        assert model.image_height == 0
+
+    def test_with_values(self) -> None:
+        """Creation with specific values."""
+        model = PageModel(
+            type=PageType.FRONT_COVER,
+            double=True,
+            image_size=1024000,
+            key="cover",
+            bookmark="Chapter 1",
+            image_width=800,
+            image_height=1200,
+        )
+
+        assert model.type == PageType.FRONT_COVER
+        assert model.double is True
+        assert model.image_size == 1024000
+        assert model.key == "cover"
+        assert model.bookmark == "Chapter 1"
+        assert model.image_width == 800
+        assert model.image_height == 1200
+
+    def test_all_page_types(self) -> None:
+        """All page types are valid."""
+        for page_type in PageType:
+            model = PageModel(type=page_type)
+            assert model.type == page_type
+
+    def test_boolean_properties(self) -> None:
+        """Boolean double property."""
+        model = PageModel()
+        model.double = True
+        assert model.double is True
+        model.double = False
+        assert model.double is False
+
+
+class TestRating:
+    """Tests for the Rating type."""
+
+    def test_valid_rating(self) -> None:
+        """Valid ratings (0-5)."""
+        assert Rating(0) == 0.0
+        assert Rating(2.5) == 2.5
+        assert Rating(5) == 5.0
+
+    def test_invalid_rating(self) -> None:
+        """Invalid ratings raise ValueError."""
+        with pytest.raises(ValueError):
+            Rating(-1)
+        with pytest.raises(ValueError):
+            Rating(6)
+
+
+class TestLanguageISO:
+    """Tests for the LanguageISO type."""
+
+    def test_valid_language(self) -> None:
+        """Valid language codes."""
+        assert LanguageISO("en") == "en"
+        assert LanguageISO("fr") == "fr"
+        assert LanguageISO("ja") == "ja"
+
+    def test_empty_language(self) -> None:
+        """Empty language code is allowed."""
+        assert LanguageISO("") == ""
+
+    def test_invalid_language(self) -> None:
+        """Invalid language code raises ValueError."""
+        with pytest.raises(ValueError):
+            LanguageISO("zzzzzzz")

tests/test_page.py

@@ -0,0 +1,132 @@
+"""Tests for the PageInfo class."""
+
+from pathlib import Path
+
+import pytest
+
+from cbz.constants import PageType
+from cbz.exceptions import InvalidImageError
+from cbz.page import PageInfo
+
+
+class TestPageInfo:
+    """Tests for page loading, properties and manipulation."""
+
+    def test_load_from_file(self, sample_image_path: Path) -> None:
+        """Load from an image file."""
+        page = PageInfo.load(path=sample_image_path)
+
+        assert page is not None
+        assert isinstance(page.content, bytes)
+        assert len(page.content) > 0
+        assert page.name == sample_image_path.name
+        assert page.image_width > 0
+        assert page.image_height > 0
+        assert page.image_size > 0
+        assert page.suffix != ""
+
+    def test_load_with_page_type(self, sample_image_path: Path) -> None:
+        """Load with a specific page type."""
+        page = PageInfo.load(path=sample_image_path, type=PageType.FRONT_COVER)
+        assert page.type == PageType.FRONT_COVER
+
+    def test_load_with_custom_name(self, sample_image_path: Path) -> None:
+        """Load with a custom name."""
+        page = PageInfo.load(path=sample_image_path, name="custom_page.jpg")
+        assert page.name == "custom_page.jpg"
+
+    def test_page_content_property(self, sample_image_path: Path) -> None:
+        """Content property and automatic metadata extraction."""
+        page = PageInfo.load(path=sample_image_path)
+        original = page.content
+
+        assert page.content == original
+        assert isinstance(page.content, bytes)
+        assert page.image_width > 0
+        assert page.image_height > 0
+        assert page.image_size > 0
+
+    def test_image_metadata_extraction(self, sample_image_path: Path) -> None:
+        """Correct extraction of image metadata."""
+        page = PageInfo.load(path=sample_image_path)
+
+        assert page.image_width > 0
+        assert page.image_height > 0
+        assert page.image_size > 0
+        assert page.suffix != ""
+        assert isinstance(page.image_width, int)
+        assert isinstance(page.image_height, int)
+        assert isinstance(page.image_size, int)
+
+    def test_multiple_image_formats(self, images_dir: Path) -> None:
+        """Load different image files."""
+        image_files = list(images_dir.glob("*.jpg"))
+
+        if not image_files:
+            pytest.skip("No image files found")
+
+        for image_path in image_files[:3]:
+            page = PageInfo.load(path=image_path)
+
+            assert page is not None
+            assert isinstance(page.content, bytes)
+            assert len(page.content) > 0
+            assert page.image_width > 0
+            assert page.image_height > 0
+            assert page.image_size > 0
+
+    def test_page_type_assignment(self, sample_image_path: Path) -> None:
+        """Assignment of all page types."""
+        image_bytes = sample_image_path.read_bytes()
+        for page_type in PageType:
+            page = PageInfo.loads(data=image_bytes, type=page_type)
+            assert page.type == page_type
+
+    def test_page_creation_from_bytes(self, sample_image_path: Path) -> None:
+        """Direct creation from bytes."""
+        image_bytes = sample_image_path.read_bytes()
+
+        page = PageInfo.loads(data=image_bytes, name="test_page.jpg")
+
+        assert page.content == image_bytes
+        assert page.name == "test_page.jpg"
+        assert page.image_width > 0
+        assert page.image_height > 0
+        assert page.image_size > 0
+
+    def test_page_bookmark_property(self, sample_image_path: Path) -> None:
+        """Bookmark property."""
+        page = PageInfo.load(path=sample_image_path, bookmark="Chapter 1")
+        assert page.bookmark == "Chapter 1"
+
+        page_no_bookmark = PageInfo.load(path=sample_image_path)
+        assert page_no_bookmark.bookmark == ""
+
+    def test_page_double_page_property(self, sample_image_path: Path) -> None:
+        """Double page property."""
+        page = PageInfo.load(path=sample_image_path, double=True)
+        assert page.double is True
+
+        page_no_double = PageInfo.load(path=sample_image_path)
+        assert page_no_double.double is False
+
+    def test_invalid_data_raises_error(self) -> None:
+        """Invalid data raises InvalidImageError."""
+        with pytest.raises(InvalidImageError):
+            PageInfo.loads(data=b"not an image")
+
+    def test_empty_data_raises_error(self) -> None:
+        """Empty data raises InvalidImageError."""
+        with pytest.raises(InvalidImageError):
+            PageInfo.loads(data=b"   ")
+
+    def test_save_and_reload(self, sample_image_path: Path, tmp_path: Path) -> None:
+        """Save and reload a page."""
+        page = PageInfo.load(path=sample_image_path)
+        save_path = tmp_path / "saved_page.jpg"
+        page.save(save_path)
+
+        reloaded = PageInfo.load(path=save_path)
+        assert reloaded.image_width == page.image_width
+        assert reloaded.image_height == page.image_height
+        assert reloaded.image_size == page.image_size