mirror of
https://github.com/encode/django-rest-framework.git
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79 lines
2.2 KiB
Python
79 lines
2.2 KiB
Python
from contextlib import contextmanager
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from django.core.exceptions import ObjectDoesNotExist
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from django.core.urlresolvers import NoReverseMatch
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from django.utils import six
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from rest_framework.settings import api_settings
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@contextmanager
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def temporary_setting(setting, value, module=None):
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"""
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Temporarily change value of setting for test.
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Optionally reload given module, useful when module uses value of setting on
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import.
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"""
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original_value = getattr(api_settings, setting)
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setattr(api_settings, setting, value)
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if module is not None:
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six.moves.reload_module(module)
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yield
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setattr(api_settings, setting, original_value)
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if module is not None:
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six.moves.reload_module(module)
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class MockObject(object):
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def __init__(self, **kwargs):
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self._kwargs = kwargs
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for key, val in kwargs.items():
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setattr(self, key, val)
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def __str__(self):
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kwargs_str = ', '.join([
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'%s=%s' % (key, value)
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for key, value in sorted(self._kwargs.items())
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])
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return '<MockObject %s>' % kwargs_str
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class MockQueryset(object):
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def __init__(self, iterable):
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self.items = iterable
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def get(self, **lookup):
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for item in self.items:
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if all([
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getattr(item, key, None) == value
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for key, value in lookup.items()
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]):
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return item
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raise ObjectDoesNotExist()
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class BadType(object):
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"""
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When used as a lookup with a `MockQueryset`, these objects
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will raise a `TypeError`, as occurs in Django when making
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queryset lookups with an incorrect type for the lookup value.
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"""
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def __eq__(self):
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raise TypeError()
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def mock_reverse(view_name, args=None, kwargs=None, request=None, format=None):
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args = args or []
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kwargs = kwargs or {}
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value = (args + list(kwargs.values()) + ['-'])[0]
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prefix = 'http://example.org' if request else ''
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suffix = ('.' + format) if (format is not None) else ''
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return '%s/%s/%s%s/' % (prefix, view_name, value, suffix)
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def fail_reverse(view_name, args=None, kwargs=None, request=None, format=None):
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raise NoReverseMatch()
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