api

Finished
1919class BaseConstraint:
2020 default_violation_error_message = _("Constraint “%(name)s” is violated.")
2121 violation_error_message = None
22 violation_error_code = None
2223
2324 # RemovedInDjango60Warning: When the deprecation ends, replace with:
24 # def __init__(self, *, name, violation_error_message=None):
25 def __init__(self, *args, name=None, violation_error_message=None):
25 # def __init__(self, *, name, violation_error_message=None, violation_error_code=None):
26 def __init__(self, *args, name=None, violation_error_message=None, violation_error_code=None):
2627 # RemovedInDjango60Warning.
2728 if name is None and not args:
2829 raise TypeError(
3435 self.violation_error_message = violation_error_message
3536 else:
3637 self.violation_error_message = self.default_violation_error_message
38 self.violation_error_code = violation_error_code
3739 # RemovedInDjango60Warning.
3840 if args:
3941 warnings.warn(
4244 RemovedInDjango60Warning,
4345 stacklevel=2,
4446 )
45 for arg, attr in zip(args, ["name", "violation_error_message"]):
47 for arg, attr in zip(args, ["name", "violation_error_message", "violation_error_code"]):
4648 if arg:
4749 setattr(self, attr, arg)
4850
6567 def get_violation_error_message(self):
6668 return self.violation_error_message % {"name": self.name}
6769
70 def get_violation_error_details(self):
71 """Return a dict with message and code for ValidationError."""
72 details = {"message": self.get_violation_error_message()}
73 if self.violation_error_code is not None:
74 details["code"] = self.violation_error_code
75 return details
76
6877 def deconstruct(self):
6978 path = "%s.%s" % (self.__class__.__module__, self.__class__.__name__)
7079 path = path.replace("django.db.models.constraints", "django.db.models")
7483 and self.violation_error_message != self.default_violation_error_message
7584 ):
7685 kwargs["violation_error_message"] = self.violation_error_message
86 if self.violation_error_code is not None:
87 kwargs["violation_error_code"] = self.violation_error_code
7788 return (path, (), kwargs)
7889
7990 def clone(self):
8293
8394
8495class CheckConstraint(BaseConstraint):
85 def __init__(self, *, check, name, violation_error_message=None):
96 def __init__(self, *, check, name, violation_error_message=None, violation_error_code=None):
8697 self.check = check
8798 if not getattr(check, "conditional", False):
8899 raise TypeError(
89100 "CheckConstraint.check must be a Q instance or boolean expression."
90101 )
91 super().__init__(name=name, violation_error_message=violation_error_message)
102 super().__init__(name=name, violation_error_message=violation_error_message, violation_error_code=violation_error_code)
92103
93104 def _get_check_sql(self, model, schema_editor):
94105 query = Query(model=model, alias_cols=False)
112123 against = instance._get_field_value_map(meta=model._meta, exclude=exclude)
113124 try:
114125 if not Q(self.check).check(against, using=using):
115 raise ValidationError(self.get_violation_error_message())
126 error_details = self.get_violation_error_details()
127 raise ValidationError(error_details["message"], code=error_details.get("code"))
116128 except FieldError:
117129 pass
118130
135147 self.name == other.name
136148 and self.check == other.check
137149 and self.violation_error_message == other.violation_error_message
150 and self.violation_error_code == other.violation_error_code
138151 )
139152 return super().__eq__(other)
140153
164177 include=None,
165178 opclasses=(),
166179 violation_error_message=None,
180 violation_error_code=None,
167181 ):
168182 if not name:
169183 raise ValueError("A unique constraint must be named.")
213227 F(expression) if isinstance(expression, str) else expression
214228 for expression in expressions
215229 )
216 super().__init__(name=name, violation_error_message=violation_error_message)
230 super().__init__(name=name, violation_error_message=violation_error_message, violation_error_code=violation_error_code)
217231
218232 @property
219233 def contains_expressions(self):
385399 if not self.condition:
386400 if queryset.exists():
387401 if self.expressions:
388 raise ValidationError(self.get_violation_error_message())
389 # When fields are defined, use the unique_error_message() for
390 # backward compatibility.
391 for model, constraints in instance.get_constraints():
392 for constraint in constraints:
393 if constraint is self:
394 raise ValidationError(
395 instance.unique_error_message(model, self.fields)
396 )
402 error_details = self.get_violation_error_details()
403 raise ValidationError(error_details["message"], code=error_details.get("code"))
404 # When fields are defined, use the violation error details
405 # for consistency with custom error codes.
406 error_details = self.get_violation_error_details()
407 raise ValidationError(error_details["message"], code=error_details.get("code"))
397408 else:
398409 against = instance._get_field_value_map(meta=model._meta, exclude=exclude)
399410 try:
400411 if (self.condition & Exists(queryset.filter(self.condition))).check(
401412 against, using=using
402413 ):
403 raise ValidationError(self.get_violation_error_message())
414 error_details = self.get_violation_error_details()
415 raise ValidationError(error_details["message"], code=error_details.get("code"))
404416 except FieldError:
405417 pass
Test NameStatus
test_repr_with_violation_error_code (constraints.tests.CheckConstraintTests.test_repr_with_violation_error_code)
Fail
test_eq (constraints.tests.UniqueConstraintTests.test_eq)
Fail
test_repr_with_violation_error_code (constraints.tests.UniqueConstraintTests.test_repr_with_violation_error_code)
Fail
test_model_validation (constraints.tests.UniqueConstraintTests.test_model_validation)
Fail
test_validate (constraints.tests.UniqueConstraintTests.test_validate)
Fail
test_custom_violation_code_message (constraints.tests.BaseConstraintTests.test_custom_violation_code_message)
Pass
test_deconstruction (constraints.tests.BaseConstraintTests.test_deconstruction)
Pass
test_eq (constraints.tests.CheckConstraintTests.test_eq)
Pass
test_validate_custom_error (constraints.tests.CheckConstraintTests.test_validate_custom_error)
Pass
test_validate_conditon_custom_error (constraints.tests.UniqueConstraintTests.test_validate_conditon_custom_error)
Pass
test_constraint_sql (constraints.tests.BaseConstraintTests.test_constraint_sql)
Pass
test_contains_expressions (constraints.tests.BaseConstraintTests.test_contains_expressions)
Pass
test_create_sql (constraints.tests.BaseConstraintTests.test_create_sql)
Pass
test_custom_violation_error_message (constraints.tests.BaseConstraintTests.test_custom_violation_error_message)
Pass
test_custom_violation_error_message_clone (constraints.tests.BaseConstraintTests.test_custom_violation_error_message_clone)
Pass
test_default_violation_error_message (constraints.tests.BaseConstraintTests.test_default_violation_error_message)
Pass
test_deprecation (constraints.tests.BaseConstraintTests.test_deprecation)
Pass
test_name_required (constraints.tests.BaseConstraintTests.test_name_required)
Pass
test_positional_arguments (constraints.tests.BaseConstraintTests.test_positional_arguments)
Pass
test_remove_sql (constraints.tests.BaseConstraintTests.test_remove_sql)
Pass
test_validate (constraints.tests.BaseConstraintTests.test_validate)
Pass
test_abstract_name (constraints.tests.CheckConstraintTests.test_abstract_name)
Pass
test_database_constraint (constraints.tests.CheckConstraintTests.test_database_constraint)
Pass
test_database_constraint_unicode (constraints.tests.CheckConstraintTests.test_database_constraint_unicode)
Pass
test_deconstruction (constraints.tests.CheckConstraintTests.test_deconstruction)
Pass
test_invalid_check_types (constraints.tests.CheckConstraintTests.test_invalid_check_types)
Pass
test_name (constraints.tests.CheckConstraintTests.test_name)
Pass
test_repr (constraints.tests.CheckConstraintTests.test_repr)
Pass
test_repr_with_violation_error_message (constraints.tests.CheckConstraintTests.test_repr_with_violation_error_message)
Pass
test_validate (constraints.tests.CheckConstraintTests.test_validate)
Pass
test_validate_boolean_expressions (constraints.tests.CheckConstraintTests.test_validate_boolean_expressions)
Pass
test_validate_nullable_field_with_none (constraints.tests.CheckConstraintTests.test_validate_nullable_field_with_none)
Pass
test_validate_rawsql_expressions_noop (constraints.tests.CheckConstraintTests.test_validate_rawsql_expressions_noop)
Pass
test_condition_must_be_q (constraints.tests.UniqueConstraintTests.test_condition_must_be_q)
Pass
test_database_constraint (constraints.tests.UniqueConstraintTests.test_database_constraint)
Pass
test_database_constraint_with_condition (constraints.tests.UniqueConstraintTests.test_database_constraint_with_condition)
Pass
test_deconstruction (constraints.tests.UniqueConstraintTests.test_deconstruction)
Pass
test_deconstruction_with_condition (constraints.tests.UniqueConstraintTests.test_deconstruction_with_condition)
Pass
test_deconstruction_with_deferrable (constraints.tests.UniqueConstraintTests.test_deconstruction_with_deferrable)
Pass
test_deconstruction_with_expressions (constraints.tests.UniqueConstraintTests.test_deconstruction_with_expressions)
Pass
test_deconstruction_with_include (constraints.tests.UniqueConstraintTests.test_deconstruction_with_include)
Pass
test_deconstruction_with_opclasses (constraints.tests.UniqueConstraintTests.test_deconstruction_with_opclasses)
Pass
test_deferrable_with_condition (constraints.tests.UniqueConstraintTests.test_deferrable_with_condition)
Pass
test_deferrable_with_expressions (constraints.tests.UniqueConstraintTests.test_deferrable_with_expressions)
Pass
test_deferrable_with_include (constraints.tests.UniqueConstraintTests.test_deferrable_with_include)
Pass
test_deferrable_with_opclasses (constraints.tests.UniqueConstraintTests.test_deferrable_with_opclasses)
Pass
test_eq_with_condition (constraints.tests.UniqueConstraintTests.test_eq_with_condition)
Pass
test_eq_with_deferrable (constraints.tests.UniqueConstraintTests.test_eq_with_deferrable)
Pass
test_eq_with_expressions (constraints.tests.UniqueConstraintTests.test_eq_with_expressions)
Pass
test_eq_with_include (constraints.tests.UniqueConstraintTests.test_eq_with_include)
Pass
test_eq_with_opclasses (constraints.tests.UniqueConstraintTests.test_eq_with_opclasses)
Pass
test_expressions_and_fields_mutually_exclusive (constraints.tests.UniqueConstraintTests.test_expressions_and_fields_mutually_exclusive)
Pass
test_expressions_with_opclasses (constraints.tests.UniqueConstraintTests.test_expressions_with_opclasses)
Pass
test_invalid_defer_argument (constraints.tests.UniqueConstraintTests.test_invalid_defer_argument)
Pass
test_invalid_include_argument (constraints.tests.UniqueConstraintTests.test_invalid_include_argument)
Pass
test_invalid_opclasses_argument (constraints.tests.UniqueConstraintTests.test_invalid_opclasses_argument)
Pass
test_model_validation_constraint_no_code_error (constraints.tests.UniqueConstraintTests.test_model_validation_constraint_no_code_error)
Pass
Partial unique constraints are not ignored by
Pass
test_name (constraints.tests.UniqueConstraintTests.test_name)
Pass
test_opclasses_and_fields_same_length (constraints.tests.UniqueConstraintTests.test_opclasses_and_fields_same_length)
Pass
test_repr (constraints.tests.UniqueConstraintTests.test_repr)
Pass
test_repr_with_condition (constraints.tests.UniqueConstraintTests.test_repr_with_condition)
Pass
test_repr_with_deferrable (constraints.tests.UniqueConstraintTests.test_repr_with_deferrable)
Pass
test_repr_with_expressions (constraints.tests.UniqueConstraintTests.test_repr_with_expressions)
Pass
test_repr_with_include (constraints.tests.UniqueConstraintTests.test_repr_with_include)
Pass
test_repr_with_opclasses (constraints.tests.UniqueConstraintTests.test_repr_with_opclasses)
Pass
test_repr_with_violation_error_message (constraints.tests.UniqueConstraintTests.test_repr_with_violation_error_message)
Pass
test_requires_field_or_expression (constraints.tests.UniqueConstraintTests.test_requires_field_or_expression)
Pass
test_requires_name (constraints.tests.UniqueConstraintTests.test_requires_name)
Pass
test_validate_condition (constraints.tests.UniqueConstraintTests.test_validate_condition)
Pass
test_validate_expression (constraints.tests.UniqueConstraintTests.test_validate_expression)
Pass
test_validate_expression_condition (constraints.tests.UniqueConstraintTests.test_validate_expression_condition)
Pass
test_validate_expression_str (constraints.tests.UniqueConstraintTests.test_validate_expression_str)
Pass
test_validate_ordered_expression (constraints.tests.UniqueConstraintTests.test_validate_ordered_expression)
Pass

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