Created
May 20, 2012 20:47
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Overriding settings in Django tests
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| class SettingsContextManager(object): | |
| """Allow to change ``settings.*`` in ``with`` context.""" | |
| def __init__(self, *settings_tuples): | |
| self.settings = dict(settings_tuples) | |
| self.orig_settings = dict([(key, getattr(settings, key)) | |
| for key in self.settings]) | |
| def __enter__(self, *args, **kwargs): | |
| [setattr(settings, key, self.settings[key]) | |
| for key in self.settings] | |
| def __exit__(self, *args, **kwargs): | |
| [setattr(settings, key, self.orig_settings[key]) | |
| for key in self.settings] | |
| def patch_settings(*settings_tuples): | |
| """Patch ``settings`` inside ``with`` context. | |
| INPUT: | |
| *settings_tuples one or several tuples | |
| representing (setting_name, value) | |
| """ | |
| return SettingsContextManager(*settings_tuples) | |
| def with_settings(**settings_dict): | |
| """Decorator for executing function within given ``settings`` context. | |
| Example: @with_settings(CELERY_ALWAYS_EAGER=False) | |
| """ | |
| def wrap(func): | |
| def wrapper(self, *args, **kwargs): | |
| with patch_settings(*settings_dict.items()): | |
| result = func(self, *args, **kwargs) | |
| return result | |
| return wrapper | |
| return wrap |
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