mirror of
https://github.com/Hopiu/django-model-utils.git
synced 2026-03-17 12:20:23 +00:00
5aa40c66be
* - add django 3.0 to the test matrix - drop six * add entry in CHANGES * remove context kwarg * fix test with DeferredAttribute * rename StringyDescriptor's name to attname * Fix flake8 * Drop support for Django 1.11 because the API are not compatibles anymore with Django 3.0 * Try to fix tests. * Define model for the field mock. * Simplifies the code. * Properly mock the field. * Typo * Use the new API field name. * Call it attname * Grab the field instance from the model. * Use postgres in travis tests. * Django 2.0.1 minimum is needed. * Update Changelog to tell about breaking Django 1.11. * Update changelog to tell about Django 3.0 support. * @natim review.
32 lines
780 B
Python
32 lines
780 B
Python
from django.db import models
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def mutable_from_db(value):
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if value == '':
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return None
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try:
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if isinstance(value, (str,)):
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return [int(i) for i in value.split(',')]
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except ValueError:
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pass
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return value
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def mutable_to_db(value):
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if value is None:
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return ''
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if isinstance(value, list):
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value = ','.join(str(i) for i in value)
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return str(value)
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class MutableField(models.TextField):
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def to_python(self, value):
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return mutable_from_db(value)
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def from_db_value(self, value, expression, connection):
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return mutable_from_db(value)
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def get_db_prep_save(self, value, connection):
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value = super().get_db_prep_save(value, connection)
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return mutable_to_db(value)
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