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81ace968c7
* Add Avatar API support * extend rest_framework to INSTALLED_APPS * add api path to urls * add requirements.txt to api app * add self describe to assign_width_or_height function * add django-avatar api docs * remove unused files * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci --------- Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com> Co-authored-by: Johannes Wilm <mail@johanneswilm.org>
27 lines
905 B
Python
27 lines
905 B
Python
from django.shortcuts import _get_queryset
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def get_object_or_none(klass, *args, **kwargs):
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"""
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Use get() to return an object, or return None if the object
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does not exist.
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klass may be a Model, Manager, or QuerySet object. All other passed
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arguments and keyword arguments are used in the get() query.
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Like with QuerySet.get(), MultipleObjectsReturned is raised if more than
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one object is found.
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"""
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queryset = _get_queryset(klass)
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if not hasattr(queryset, "get"):
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klass__name = (
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klass.__name__ if isinstance(klass, type) else klass.__class__.__name__
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)
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raise ValueError(
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"First argument to get_object_or_404() must be a Model, Manager, "
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"or QuerySet, not '%s'." % klass__name
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)
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try:
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return queryset.get(*args, **kwargs)
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except queryset.model.DoesNotExist:
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return None
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