build(deps): update chardet requirement from <6.0.0,>=5.0.0 to >=5.0.0,<8.0.0

[dependabot]

Updates the requirements on chardet to permit the latest version.

Release notes

Sourced from chardet's releases.

7.3.0

License

• 0BSD license — the project license has been changed from MIT to 0BSD, a maximally permissive license with no attribution requirement. All prior 7.x releases should also be considered 0BSD licensed as of this release.

Features

• Added mime_type field to detection results — identifies file types for both binary (via magic number matching) and text content. Returned in all detect(), detect_all(), and UniversalDetector results. (#350)
• New pipeline/magic.py module detects 40+ binary file formats including images, audio/video, archives, documents, executables, and fonts. ZIP-based formats (XLSX, DOCX, JAR, APK, EPUB, wheel, OpenDocument) are distinguished by entry filenames. (#350)

Bug Fixes

• Fixed incorrect equivalence between UTF-16-LE and UTF-16-BE in accuracy testing — these are distinct encodings with different byte order, not interchangeable

Performance

• Added 4 new modules to mypyc compilation (orchestrator, confusion, magic, ascii), bringing the total to 11 compiled modules
• Capped statistical scoring at 16 KB — bigram models converge quickly, so large files no longer score the full 200 KB. Worst-case detection time dropped from 62ms to 26ms with no accuracy loss.
• Replaced dataclasses.replace() with direct DetectionResult construction on hot paths, eliminating ~354k function calls per full test suite run

Build

• Added riscv64 to the mypyc wheel build matrix — prebuilt wheels are now published for RISC-V Linux alongside existing architectures (#348, thanks @​gounthar)

Changelog

Sourced from chardet's changelog.

7.3.0 (2026-03-24)

License:

• 0BSD license — the project license has been changed from MIT to 0BSD <https://opensource.org/license/0bsd>, a maximally permissive license with no attribution requirement. All prior 7.x releases should also be considered 0BSD licensed as of this release. (Dan Blanchard <https://github.com/dan-blanchard>)

Features:

• Added mime_type field to detection results — identifies file types for both binary (via magic number matching) and text content. Returned in all detect(), detect_all(), and UniversalDetector results. (Dan Blanchard <https://github.com/dan-blanchard>, [#350](https://github.com/chardet/chardet/issues/350) <https://github.com/chardet/chardet/pull/350>)
• New pipeline/magic.py module detects 40+ binary file formats including images, audio/video, archives, documents, executables, and fonts. ZIP-based formats (XLSX, DOCX, JAR, APK, EPUB, wheel, OpenDocument) are distinguished by entry filenames. (Dan Blanchard <https://github.com/dan-blanchard>, [#350](https://github.com/chardet/chardet/issues/350) <https://github.com/chardet/chardet/pull/350>)

Bug Fixes:

• Fixed incorrect equivalence between UTF-16-LE and UTF-16-BE in accuracy testing — these are distinct encodings with different byte order, not interchangeable (Dan Blanchard <https://github.com/dan-blanchard>_)

Performance:

• Added 4 new modules to mypyc compilation (orchestrator, confusion, magic, ascii), bringing the total to 11 compiled modules (Dan Blanchard <https://github.com/dan-blanchard>_)
• Capped statistical scoring at 16 KB — bigram models converge quickly, so large files no longer score the full 200 KB. Worst-case detection time dropped from 62ms to 26ms with no accuracy loss. (Dan Blanchard <https://github.com/dan-blanchard>_)
• Replaced dataclasses.replace() with direct DetectionResult construction on hot paths, eliminating ~354k function calls per full test suite run (Dan Blanchard <https://github.com/dan-blanchard>_)

Build:

• Added riscv64 to the mypyc wheel build matrix — prebuilt wheels are now published for RISC-V Linux alongside existing architectures

... (truncated)

Commits

• 9402975 docs: clarify that git tags have no v prefix in CLAUDE.md
• 80f5d95 docs: explicitly list all performance.rst tables in update skill
• 4ca09ed docs: single alphabetical table for supported MIME types
• 78c3551 docs: add supported MIME types page with auto-generation script
• d59bbba docs: fix stale numbers, add mime_type, update pipeline and mypyc lists
• 601cde1 docs: add riscv64 wheels and UTF-16 endianness fix to 7.3.0 changelog
• f00bd2d docs: finalize 7.3.0 changelog with 2026-03-24 release date
• 3ed9b3e docs: remove EncodingEra from What's New (was added in 6.x)
• dab6952 docs: update What's New section with mime_type and encoding filters
• 3466c96 docs: say chardet 7, not 7.0, in README headers
• Additional commits viewable in compare view

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