Admin filter factory #9
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""" WalkthroughA new pattern for creating Django admin filters is introduced. The README adds documentation on using a new Changes
Sequence Diagram(s)sequenceDiagram
participant Admin as Django Admin
participant User as Admin User
participant Filter as ChoiceListFilter
participant Queryset as Queryset
User->>Admin: Selects filter value in admin
Admin->>Filter: Calls queryset(request, queryset)
Filter->>Filter: Looks up filter key in choices
Filter->>Queryset: Applies Q expression if key found
Queryset-->>Admin: Returns filtered queryset
Admin-->>User: Displays filtered results
Poem
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Actionable comments posted: 1
🧹 Nitpick comments (6)
django_adminlink/admin.py (1)
184-187: Consider improving the verbose name normalization.The current implementation capitalizes only the first letter, which may not produce optimal results for multi-word parameter names.
Consider using title case for better formatting:
- if verbose_name is None: - verbose_name = default_verbose_name.capitalize() + if verbose_name is None: + verbose_name = default_verbose_name.title()This would convert
"archive_status"to"Archive Status"instead of"Archive status".README.md (5)
120-121: Fix grammar error.The sentence contains a grammatical error that affects readability.
Apply this diff to fix the grammar:
-Django allows to add extra filters on the Django admin, but even with a `SimpleListFilter`, there are cumbersome to make. We define a `ChoiceListFilter` which can be +Django allows to add extra filters on the Django admin, but even with a `SimpleListFilter`, they are cumbersome to make. We define a `ChoiceListFilter` which can be
125-136: Fix import typo and add language specification to code block.There's a typo in the import statement and the code block should specify Python as the language.
Apply this diff to fix the issues:
-``` +```python from django.db.models import Q -from django.db.modles.functions import Now +from django.db.models.functions import Now
138-138: Fix spelling error.There's a spelling error that affects readability.
Apply this diff to fix the spelling:
-so a dictionary that maps the key of the filter on a 2-tuple with the verbose name as first item, and the Django filter (a `Q` object) as second one. Because it is a dictionary, it is also imppsible to specify the same key twice. +so a dictionary that maps the key of the filter on a 2-tuple with the verbose name as first item, and the Django filter (a `Q` object) as second one. Because it is a dictionary, it is also impossible to specify the same key twice.
143-149: Add language specification to code block.The code block should specify Python as the language for proper syntax highlighting.
Apply this diff to add language specification:
-``` +```python ARCHIVE_OPTIONS = [
129-135: Verify the example syntax consistency.The example shows the
ChoiceListFilterclass usage but there are some syntax issues in the dictionary definition that should be addressed for clarity.Apply this diff to fix the dictionary syntax:
choices = { - 'active': ('Active', ~Q(archived_at__lte=Now())) - 'archived': ('Archived', Q(archived_at__lte=Now())) + 'active': ('Active', ~Q(archived_at__lte=Now())), + 'archived': ('Archived', Q(archived_at__lte=Now())) }The missing comma after the first tuple could cause confusion for readers copying the example.
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README.md
[grammar] ~120-~120: Ensure spelling is correct
Context: ...in, but even with a SimpleListFilter, there are cumbersome to make. We define a `Ch...
(QB_NEW_EN_ORTHOGRAPHY_ERROR_IDS_1)
[grammar] ~138-~138: Ensure spelling is correct
Context: ... Because it is a dictionary, it is also imppsible to specify the same key twice. We can ...
(QB_NEW_EN_ORTHOGRAPHY_ERROR_IDS_1)
🪛 markdownlint-cli2 (0.17.2)
README.md
125-125: Fenced code blocks should have a language specified
(MD040, fenced-code-language)
143-143: Fenced code blocks should have a language specified
(MD040, fenced-code-language)
🪛 Ruff (0.12.2)
django_adminlink/admin.py
189-189: SyntaxError: Expected an identifier, but found a keyword 'for' that cannot be used here
189-189: SyntaxError: Expected 'in', found name
189-189: SyntaxError: Expected '}', found ','
189-189: SyntaxError: Comparison expression cannot be used here
189-189: SyntaxError: Expected a statement
189-190: SyntaxError: Expected a statement
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🔇 Additional comments (1)
django_adminlink/admin.py (1)
167-181: LGTM! Well-designed filter pattern.The
ChoiceListFilterclass provides a clean abstraction for Django admin filters with predefined choices. The implementation correctly:
- Uses a dictionary mapping keys to tuples of display labels and Q objects
- Extracts display labels for the
lookupsmethod- Applies the appropriate filter condition in the
querysetmethod- Handles missing values gracefully
Summary by CodeRabbit
New Features
Documentation