2005-07-16 00:52:08 +08:00
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"Global Django exceptions"
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2005-07-13 09:25:57 +08:00
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2006-05-02 09:31:56 +08:00
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class ObjectDoesNotExist(Exception):
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2005-07-13 09:25:57 +08:00
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"The requested object does not exist"
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2006-05-02 09:31:56 +08:00
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silent_variable_failure = True
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2005-07-13 09:25:57 +08:00
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2007-12-03 02:21:07 +08:00
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class MultipleObjectsReturned(Exception):
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"The query returned multiple objects when only one was expected."
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pass
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2005-07-13 09:25:57 +08:00
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class SuspiciousOperation(Exception):
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"The user did something suspicious"
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pass
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class PermissionDenied(Exception):
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"The user did not have permission to do that"
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pass
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class ViewDoesNotExist(Exception):
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"The requested view does not exist"
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pass
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class MiddlewareNotUsed(Exception):
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"This middleware is not used in this server configuration"
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2005-07-16 00:52:08 +08:00
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pass
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2005-07-17 06:12:24 +08:00
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class ImproperlyConfigured(Exception):
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"Django is somehow improperly configured"
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pass
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Merged the queryset-refactor branch into trunk.
This is a big internal change, but mostly backwards compatible with existing
code. Also adds a couple of new features.
Fixed #245, #1050, #1656, #1801, #2076, #2091, #2150, #2253, #2306, #2400, #2430, #2482, #2496, #2676, #2737, #2874, #2902, #2939, #3037, #3141, #3288, #3440, #3592, #3739, #4088, #4260, #4289, #4306, #4358, #4464, #4510, #4858, #5012, #5020, #5261, #5295, #5321, #5324, #5325, #5555, #5707, #5796, #5817, #5987, #6018, #6074, #6088, #6154, #6177, #6180, #6203, #6658
git-svn-id: http://code.djangoproject.com/svn/django/trunk@7477 bcc190cf-cafb-0310-a4f2-bffc1f526a37
2008-04-27 10:50:16 +08:00
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class FieldError(Exception):
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"""Some kind of problem with a model field."""
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pass
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2010-01-05 11:56:19 +08:00
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NON_FIELD_ERRORS = '__all__'
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2010-01-12 10:29:45 +08:00
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class ValidationError(Exception):
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Removed oldforms, validators, and related code:
* Removed `Manipulator`, `AutomaticManipulator`, and related classes.
* Removed oldforms specific bits from model fields:
* Removed `validator_list` and `core` arguments from constructors.
* Removed the methods:
* `get_manipulator_field_names`
* `get_manipulator_field_objs`
* `get_manipulator_fields`
* `get_manipulator_new_data`
* `prepare_field_objs_and_params`
* `get_follow`
* Renamed `flatten_data` method to `value_to_string` for better alignment with its use by the serialization framework, which was the only remaining code using `flatten_data`.
* Removed oldforms methods from `django.db.models.Options` class: `get_followed_related_objects`, `get_data_holders`, `get_follow`, and `has_field_type`.
* Removed oldforms-admin specific options from `django.db.models.fields.related` classes: `num_in_admin`, `min_num_in_admin`, `max_num_in_admin`, `num_extra_on_change`, and `edit_inline`.
* Serialization framework
* `Serializer.get_string_value` now calls the model fields' renamed `value_to_string` methods.
* Removed a special-casing of `models.DateTimeField` in `core.serializers.base.Serializer.get_string_value` that's handled by `django.db.models.fields.DateTimeField.value_to_string`.
* Removed `django.core.validators`:
* Moved `ValidationError` exception to `django.core.exceptions`.
* For the couple places that were using validators, brought over the necessary code to maintain the same functionality.
* Introduced a SlugField form field for validation and to compliment the SlugField model field (refs #8040).
* Removed an oldforms-style model creation hack (refs #2160).
git-svn-id: http://code.djangoproject.com/svn/django/trunk@8616 bcc190cf-cafb-0310-a4f2-bffc1f526a37
2008-08-27 15:19:44 +08:00
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"""An error while validating data."""
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2010-01-05 11:56:19 +08:00
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def __init__(self, message, code=None, params=None):
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import operator
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from django.utils.encoding import force_unicode
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"""
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ValidationError can be passed any object that can be printed (usually
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a string), a list of objects or a dictionary.
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"""
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if isinstance(message, dict):
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self.message_dict = message
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# Reduce each list of messages into a single list.
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message = reduce(operator.add, message.values())
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if isinstance(message, list):
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self.messages = [force_unicode(msg) for msg in message]
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else:
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self.code = code
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self.params = params
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message = force_unicode(message)
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self.messages = [message]
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def __str__(self):
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# This is needed because, without a __str__(), printing an exception
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# instance would result in this:
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# AttributeError: ValidationError instance has no attribute 'args'
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# See http://www.python.org/doc/current/tut/node10.html#handling
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if hasattr(self, 'message_dict'):
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return repr(self.message_dict)
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return repr(self.messages)
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2010-04-15 19:19:59 +08:00
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def __repr__(self):
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if hasattr(self, 'message_dict'):
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return 'ValidationError(%s)' % repr(self.message_dict)
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return 'ValidationError(%s)' % repr(self.messages)
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2010-01-12 10:29:45 +08:00
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def update_error_dict(self, error_dict):
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if hasattr(self, 'message_dict'):
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if error_dict:
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for k, v in self.message_dict.items():
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error_dict.setdefault(k, []).extend(v)
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else:
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error_dict = self.message_dict
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else:
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error_dict[NON_FIELD_ERRORS] = self.messages
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return error_dict
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2010-01-05 11:56:19 +08:00
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