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Finished
1818
1919class BaseConstraint:
2020 default_violation_error_message = _("Constraint “%(name)s” is violated.")
21 default_violation_error_code = None
2122 violation_error_message = None
23 violation_error_code = None
2224
2325 # 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):
26 # def __init__(self, *, name, violation_error_message=None, violation_error_code=None):
27 def __init__(self, *args, name=None, violation_error_message=None, violation_error_code=None):
2628 # RemovedInDjango60Warning.
2729 if name is None and not args:
2830 raise TypeError(
3436 self.violation_error_message = violation_error_message
3537 else:
3638 self.violation_error_message = self.default_violation_error_message
39 if violation_error_code is not None:
40 self.violation_error_code = violation_error_code
41 else:
42 self.violation_error_code = self.default_violation_error_code
3743 # RemovedInDjango60Warning.
3844 if args:
3945 warnings.warn(
4248 RemovedInDjango60Warning,
4349 stacklevel=2,
4450 )
45 for arg, attr in zip(args, ["name", "violation_error_message"]):
51 for arg, attr in zip(args, ["name", "violation_error_message", "violation_error_code"]):
4652 if arg:
4753 setattr(self, attr, arg)
4854
7480 and self.violation_error_message != self.default_violation_error_message
7581 ):
7682 kwargs["violation_error_message"] = self.violation_error_message
83 if (
84 self.violation_error_code is not None
85 and self.violation_error_code != self.default_violation_error_code
86 ):
87 kwargs["violation_error_code"] = self.violation_error_code
7788 return (path, (), kwargs)
7889
7990 def clone(self):
8091 _, args, kwargs = self.deconstruct()
8192 return self.__class__(*args, **kwargs)
8293
94 def __repr__(self):
95 return "<%s: name=%s%s%s>" % (
96 self.__class__.__qualname__,
97 repr(self.name),
98 (
99 ""
100 if self.violation_error_message is None
101 or self.violation_error_message == self.default_violation_error_message
102 else " violation_error_message=%r" % self.violation_error_message
103 ),
104 (
105 ""
106 if self.violation_error_code is None
107 or self.violation_error_code == self.default_violation_error_code
108 else " violation_error_code=%r" % self.violation_error_code
109 ),
110 )
111
112 def __eq__(self, other):
113 if isinstance(other, BaseConstraint):
114 return (
115 self.name == other.name
116 and self.violation_error_message == other.violation_error_message
117 and self.violation_error_code == other.violation_error_code
118 )
119 return super().__eq__(other)
120
83121
84122class CheckConstraint(BaseConstraint):
85 def __init__(self, *, check, name, violation_error_message=None):
123 def __init__(self, *, check, name, violation_error_message=None, violation_error_code=None):
86124 self.check = check
87125 if not getattr(check, "conditional", False):
88126 raise TypeError(
89127 "CheckConstraint.check must be a Q instance or boolean expression."
90128 )
91 super().__init__(name=name, violation_error_message=violation_error_message)
129 super().__init__(name=name, violation_error_message=violation_error_message, violation_error_code=violation_error_code)
92130
93131 def _get_check_sql(self, model, schema_editor):
94132 query = Query(model=model, alias_cols=False)
112150 against = instance._get_field_value_map(meta=model._meta, exclude=exclude)
113151 try:
114152 if not Q(self.check).check(against, using=using):
115 raise ValidationError(self.get_violation_error_message())
153 raise ValidationError(self.get_violation_error_message(), code=self.violation_error_code)
116154 except FieldError:
117155 pass
118156
119157 def __repr__(self):
120 return "<%s: check=%s name=%s%s>" % (
158 return "<%s: check=%s name=%s%s%s>" % (
121159 self.__class__.__qualname__,
122160 self.check,
123161 repr(self.name),
127165 or self.violation_error_message == self.default_violation_error_message
128166 else " violation_error_message=%r" % self.violation_error_message
129167 ),
168 (
169 ""
170 if self.violation_error_code is None
171 or self.violation_error_code == self.default_violation_error_code
172 else " violation_error_code=%r" % self.violation_error_code
173 ),
130174 )
131175
132176 def __eq__(self, other):
135179 self.name == other.name
136180 and self.check == other.check
137181 and self.violation_error_message == other.violation_error_message
182 and self.violation_error_code == other.violation_error_code
138183 )
139184 return super().__eq__(other)
140185
164209 include=None,
165210 opclasses=(),
166211 violation_error_message=None,
212 violation_error_code=None,
167213 ):
168214 if not name:
169215 raise ValueError("A unique constraint must be named.")
213259 F(expression) if isinstance(expression, str) else expression
214260 for expression in expressions
215261 )
216 super().__init__(name=name, violation_error_message=violation_error_message)
262 super().__init__(name=name, violation_error_message=violation_error_message, violation_error_code=violation_error_code)
217263
218264 @property
219265 def contains_expressions(self):
293339 )
294340
295341 def __repr__(self):
296 return "<%s:%s%s%s%s%s%s%s%s>" % (
342 return "<%s:%s%s%s%s%s%s%s%s%s>" % (
297343 self.__class__.__qualname__,
298344 "" if not self.fields else " fields=%s" % repr(self.fields),
299345 "" if not self.expressions else " expressions=%s" % repr(self.expressions),
308354 or self.violation_error_message == self.default_violation_error_message
309355 else " violation_error_message=%r" % self.violation_error_message
310356 ),
357 (
358 ""
359 if self.violation_error_code is None
360 or self.violation_error_code == self.default_violation_error_code
361 else " violation_error_code=%r" % self.violation_error_code
362 ),
311363 )
312364
313365 def __eq__(self, other):
321373 and self.opclasses == other.opclasses
322374 and self.expressions == other.expressions
323375 and self.violation_error_message == other.violation_error_message
376 and self.violation_error_code == other.violation_error_code
324377 )
325378 return super().__eq__(other)
326379
385438 if not self.condition:
386439 if queryset.exists():
387440 if self.expressions:
388 raise ValidationError(self.get_violation_error_message())
441 raise ValidationError(self.get_violation_error_message(), code=self.violation_error_code)
389442 # When fields are defined, use the unique_error_message() for
390443 # backward compatibility.
391444 for model, constraints in instance.get_constraints():
400453 if (self.condition & Exists(queryset.filter(self.condition))).check(
401454 against, using=using
402455 ):
403 raise ValidationError(self.get_violation_error_message())
456 raise ValidationError(self.get_violation_error_message(), code=self.violation_error_code)
404457 except FieldError:
405458 pass
Test NameStatus
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_repr_with_violation_error_code (constraints.tests.CheckConstraintTests.test_repr_with_violation_error_code)
Pass
test_validate_custom_error (constraints.tests.CheckConstraintTests.test_validate_custom_error)
Pass
test_eq (constraints.tests.UniqueConstraintTests.test_eq)
Pass
test_repr_with_violation_error_code (constraints.tests.UniqueConstraintTests.test_repr_with_violation_error_code)
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 (constraints.tests.UniqueConstraintTests.test_model_validation)
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 (constraints.tests.UniqueConstraintTests.test_validate)
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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