Ajoutez des fichiers projet.
This commit is contained in:
Ambulance Clerc
217
venv/Lib/site-packages/django/core/exceptions.py
Normal file
217
venv/Lib/site-packages/django/core/exceptions.py
Normal file
@@ -0,0 +1,217 @@
|
||||
"""
|
||||
Global Django exception and warning classes.
|
||||
"""
|
||||
import operator
|
||||
|
||||
from django.utils.hashable import make_hashable
|
||||
|
||||
|
||||
class FieldDoesNotExist(Exception):
|
||||
"""The requested model field does not exist"""
|
||||
pass
|
||||
|
||||
|
||||
class AppRegistryNotReady(Exception):
|
||||
"""The django.apps registry is not populated yet"""
|
||||
pass
|
||||
|
||||
|
||||
class ObjectDoesNotExist(Exception):
|
||||
"""The requested object does not exist"""
|
||||
silent_variable_failure = True
|
||||
|
||||
|
||||
class MultipleObjectsReturned(Exception):
|
||||
"""The query returned multiple objects when only one was expected."""
|
||||
pass
|
||||
|
||||
|
||||
class SuspiciousOperation(Exception):
|
||||
"""The user did something suspicious"""
|
||||
|
||||
|
||||
class SuspiciousMultipartForm(SuspiciousOperation):
|
||||
"""Suspect MIME request in multipart form data"""
|
||||
pass
|
||||
|
||||
|
||||
class SuspiciousFileOperation(SuspiciousOperation):
|
||||
"""A Suspicious filesystem operation was attempted"""
|
||||
pass
|
||||
|
||||
|
||||
class DisallowedHost(SuspiciousOperation):
|
||||
"""HTTP_HOST header contains invalid value"""
|
||||
pass
|
||||
|
||||
|
||||
class DisallowedRedirect(SuspiciousOperation):
|
||||
"""Redirect to scheme not in allowed list"""
|
||||
pass
|
||||
|
||||
|
||||
class TooManyFieldsSent(SuspiciousOperation):
|
||||
"""
|
||||
The number of fields in a GET or POST request exceeded
|
||||
settings.DATA_UPLOAD_MAX_NUMBER_FIELDS.
|
||||
"""
|
||||
pass
|
||||
|
||||
|
||||
class RequestDataTooBig(SuspiciousOperation):
|
||||
"""
|
||||
The size of the request (excluding any file uploads) exceeded
|
||||
settings.DATA_UPLOAD_MAX_MEMORY_SIZE.
|
||||
"""
|
||||
pass
|
||||
|
||||
|
||||
class RequestAborted(Exception):
|
||||
"""The request was closed before it was completed, or timed out."""
|
||||
pass
|
||||
|
||||
|
||||
class BadRequest(Exception):
|
||||
"""The request is malformed and cannot be processed."""
|
||||
pass
|
||||
|
||||
|
||||
class PermissionDenied(Exception):
|
||||
"""The user did not have permission to do that"""
|
||||
pass
|
||||
|
||||
|
||||
class ViewDoesNotExist(Exception):
|
||||
"""The requested view does not exist"""
|
||||
pass
|
||||
|
||||
|
||||
class MiddlewareNotUsed(Exception):
|
||||
"""This middleware is not used in this server configuration"""
|
||||
pass
|
||||
|
||||
|
||||
class ImproperlyConfigured(Exception):
|
||||
"""Django is somehow improperly configured"""
|
||||
pass
|
||||
|
||||
|
||||
class FieldError(Exception):
|
||||
"""Some kind of problem with a model field."""
|
||||
pass
|
||||
|
||||
|
||||
NON_FIELD_ERRORS = '__all__'
|
||||
|
||||
|
||||
class ValidationError(Exception):
|
||||
"""An error while validating data."""
|
||||
def __init__(self, message, code=None, params=None):
|
||||
"""
|
||||
The `message` argument can be a single error, a list of errors, or a
|
||||
dictionary that maps field names to lists of errors. What we define as
|
||||
an "error" can be either a simple string or an instance of
|
||||
ValidationError with its message attribute set, and what we define as
|
||||
list or dictionary can be an actual `list` or `dict` or an instance
|
||||
of ValidationError with its `error_list` or `error_dict` attribute set.
|
||||
"""
|
||||
super().__init__(message, code, params)
|
||||
|
||||
if isinstance(message, ValidationError):
|
||||
if hasattr(message, 'error_dict'):
|
||||
message = message.error_dict
|
||||
elif not hasattr(message, 'message'):
|
||||
message = message.error_list
|
||||
else:
|
||||
message, code, params = message.message, message.code, message.params
|
||||
|
||||
if isinstance(message, dict):
|
||||
self.error_dict = {}
|
||||
for field, messages in message.items():
|
||||
if not isinstance(messages, ValidationError):
|
||||
messages = ValidationError(messages)
|
||||
self.error_dict[field] = messages.error_list
|
||||
|
||||
elif isinstance(message, list):
|
||||
self.error_list = []
|
||||
for message in message:
|
||||
# Normalize plain strings to instances of ValidationError.
|
||||
if not isinstance(message, ValidationError):
|
||||
message = ValidationError(message)
|
||||
if hasattr(message, 'error_dict'):
|
||||
self.error_list.extend(sum(message.error_dict.values(), []))
|
||||
else:
|
||||
self.error_list.extend(message.error_list)
|
||||
|
||||
else:
|
||||
self.message = message
|
||||
self.code = code
|
||||
self.params = params
|
||||
self.error_list = [self]
|
||||
|
||||
@property
|
||||
def message_dict(self):
|
||||
# Trigger an AttributeError if this ValidationError
|
||||
# doesn't have an error_dict.
|
||||
getattr(self, 'error_dict')
|
||||
|
||||
return dict(self)
|
||||
|
||||
@property
|
||||
def messages(self):
|
||||
if hasattr(self, 'error_dict'):
|
||||
return sum(dict(self).values(), [])
|
||||
return list(self)
|
||||
|
||||
def update_error_dict(self, error_dict):
|
||||
if hasattr(self, 'error_dict'):
|
||||
for field, error_list in self.error_dict.items():
|
||||
error_dict.setdefault(field, []).extend(error_list)
|
||||
else:
|
||||
error_dict.setdefault(NON_FIELD_ERRORS, []).extend(self.error_list)
|
||||
return error_dict
|
||||
|
||||
def __iter__(self):
|
||||
if hasattr(self, 'error_dict'):
|
||||
for field, errors in self.error_dict.items():
|
||||
yield field, list(ValidationError(errors))
|
||||
else:
|
||||
for error in self.error_list:
|
||||
message = error.message
|
||||
if error.params:
|
||||
message %= error.params
|
||||
yield str(message)
|
||||
|
||||
def __str__(self):
|
||||
if hasattr(self, 'error_dict'):
|
||||
return repr(dict(self))
|
||||
return repr(list(self))
|
||||
|
||||
def __repr__(self):
|
||||
return 'ValidationError(%s)' % self
|
||||
|
||||
def __eq__(self, other):
|
||||
if not isinstance(other, ValidationError):
|
||||
return NotImplemented
|
||||
return hash(self) == hash(other)
|
||||
|
||||
def __hash__(self):
|
||||
if hasattr(self, 'message'):
|
||||
return hash((
|
||||
self.message,
|
||||
self.code,
|
||||
make_hashable(self.params),
|
||||
))
|
||||
if hasattr(self, 'error_dict'):
|
||||
return hash(make_hashable(self.error_dict))
|
||||
return hash(tuple(sorted(self.error_list, key=operator.attrgetter('message'))))
|
||||
|
||||
|
||||
class EmptyResultSet(Exception):
|
||||
"""A database query predicate is impossible."""
|
||||
pass
|
||||
|
||||
|
||||
class SynchronousOnlyOperation(Exception):
|
||||
"""The user tried to call a sync-only function from an async context."""
|
||||
pass
|
||||
Reference in New Issue
Block a user