mirror of
https://github.com/jazzband/django-eav2.git
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b5b576aca5
Replace flake8 with ruff and apply consistent linting rules across the entire codebase. Update type annotations, quotation marks, and other style-related changes to comply with the new standards.
39 lines
1.3 KiB
Python
39 lines
1.3 KiB
Python
from django.core import validators
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from django.core.exceptions import ValidationError
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from django.forms.widgets import Textarea
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EMPTY_VALUES = (*validators.EMPTY_VALUES, "[]")
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class CSVWidget(Textarea):
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is_hidden = False
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def prep_value(self, value):
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"""Prepare value before effectively render widget"""
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if value in EMPTY_VALUES:
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return ""
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if isinstance(value, str):
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return value
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if isinstance(value, list):
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return ";".join(value)
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raise ValidationError("Invalid format.")
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def render(self, name, value, **kwargs):
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value = self.prep_value(value)
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return super().render(name, value, **kwargs)
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def value_from_datadict(self, data, files, name):
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"""
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Return the value of this widget or None.
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Since we're only given the value of the entity name and the data dict
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contains the '_eav_config_cls' (which we don't have access to) as the
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key, we need to loop through each field checking if the eav attribute
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exists with the given 'name'.
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"""
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for data_value in data.values():
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widget_value = getattr(data_value, name, None)
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if widget_value is not None:
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return widget_value
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return None
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