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648ded9574
* Install and configure flake8-bugbear to spot mutable default arguments
* Fix mutable default arguments in OrderingFilter methods
- Fixed get_default_valid_fields() and get_valid_fields() methods in filters.py
- Changed context={} default parameter to context=None to prevent mutable default anti-pattern
- Added proper None checking with context = {} assignment inside methods
Why this fix is important:
- Mutable default arguments (context={}) create shared state across function calls
- Same dict object gets reused, potentially causing unexpected side effects
- This is a well-known Python anti-pattern that can lead to bugs
What was changed:
- Line 249: get_default_valid_fields(self, queryset, view, context=None)
- Line 285: get_valid_fields(self, queryset, view, context=None)
- Added 'if context is None: context = {}' in both methods
Testing results:
- All existing filter tests pass (pytest tests/test_filters.py)
- Custom verification script confirms fix works correctly
- Maintains backward compatibility
- No breaking changes to API
Addresses GitHub issue #9741
---------
Co-authored-by: Bruno Alla <alla.brunoo@gmail.com>
51 lines
1.3 KiB
YAML
51 lines
1.3 KiB
YAML
repos:
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- repo: https://github.com/pre-commit/pre-commit-hooks
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rev: v6.0.0
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hooks:
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- id: check-added-large-files
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- id: check-case-conflict
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- id: check-json
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- id: check-merge-conflict
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- id: check-symlinks
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- id: check-toml
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- repo: https://github.com/PyCQA/isort
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rev: 7.0.0
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hooks:
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- id: isort
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- repo: https://github.com/PyCQA/flake8
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rev: 7.3.0
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hooks:
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- id: flake8
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additional_dependencies:
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- flake8-tidy-imports
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- flake8-bugbear
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- repo: https://github.com/adamchainz/blacken-docs
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rev: 1.20.0
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hooks:
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- id: blacken-docs
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additional_dependencies:
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- black==25.9.0
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- repo: https://github.com/codespell-project/codespell
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# Configuration for codespell is in .codespellrc
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rev: v2.4.1
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hooks:
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- id: codespell
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args: [
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"--builtin", "clear,rare,code,names,en-GB_to_en-US",
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"--ignore-words", "codespell-ignore-words.txt",
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"--skip", "*.css",
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]
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exclude: locale|kickstarter-announcement.md|coreapi-0.1.1.js
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additional_dependencies:
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# python doesn't come with a toml parser prior to 3.11
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- "tomli; python_version < '3.11'"
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- repo: https://github.com/asottile/pyupgrade
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rev: v3.21.0
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hooks:
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- id: pyupgrade
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args: ["--py310-plus", "--keep-percent-format"]
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- repo: https://github.com/tox-dev/pyproject-fmt
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rev: v2.11.0
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hooks:
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- id: pyproject-fmt
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