django-eav2/eav/widgets.py
Mike b5b576aca5 refactor: apply ruff linter rules and standardize code style
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.
2024-09-01 14:57:47 -07:00

39 lines
1.3 KiB
Python

from django.core import validators
from django.core.exceptions import ValidationError
from django.forms.widgets import Textarea
EMPTY_VALUES = (*validators.EMPTY_VALUES, "[]")
class CSVWidget(Textarea):
is_hidden = False
def prep_value(self, value):
"""Prepare value before effectively render widget"""
if value in EMPTY_VALUES:
return ""
if isinstance(value, str):
return value
if isinstance(value, list):
return ";".join(value)
raise ValidationError("Invalid format.")
def render(self, name, value, **kwargs):
value = self.prep_value(value)
return super().render(name, value, **kwargs)
def value_from_datadict(self, data, files, name):
"""
Return the value of this widget or None.
Since we're only given the value of the entity name and the data dict
contains the '_eav_config_cls' (which we don't have access to) as the
key, we need to loop through each field checking if the eav attribute
exists with the given 'name'.
"""
for data_value in data.values():
widget_value = getattr(data_value, name, None)
if widget_value is not None:
return widget_value
return None