![]() P圜harm validates the types of decorated functions based on the types of their decorators: Pass a dictionary to the foo() function instead of a list.Īssigning a wrong type of value to the key in a TypedDict type.Īdd_movie() ![]() Overriding a method decorated with cannot override a method decorated with Consider defining another method. You cannot inherit a class with a Final annotation. Consider changing the type of the variable. You cannot alter a variable annotated as Final. Unexpected type in assignment expressions.Īlign the types to match the expected pattern. Use the suggested format and add the required brackets to wrap Callable parameters. Type comments with unpacking do not match the corresponding targets.Ĭheck the target format and modify the type comment accordingly. is_a_nonempty ( prototype ) ¶Įnsures subject is an object of class prototype and has non-zero length.Number of arguments in the type declaration differs from the number of function arguments. is_a_negative ( prototype ) ¶Įnsures subject is less than 0 and is an object of class prototype. is_a_mapping_of ( prototype ) ¶Įnsures subject is a collections.Mapping containing only objects of class prototype. is_a_list_of ( prototype ) ¶Įnsures subject is a list containing only objects of class prototype. is_a_dict_of ( prototype ) ¶Įnsures subject is a dict containing only objects of class prototype. is_a ( prototype ) ¶Įnsures subject is an object of class prototype. is_ ( other ) ¶Įnsures subject is other (object identity check). hasattr ( attr ) ¶Įnsures subject has an attribute attr. has_only_keys ( keys ) ¶Įnsures subject is a collections.Mapping and contains keys, and no other keys. has_length ( length = None, min = None, max = None ) ¶Įnsures subject has length length (if given), length at least min (if given), and length at most has_keys ( keys ) ¶Įnsures subject is a collections.Mapping and contains keys, which must be an iterable. has_key ( key ) ¶Įnsures subject is a collections.Mapping and contains key. has_attribute ( attr ) ¶Įnsures subject has an attribute attr. exceeds ( other ) ¶Įnsures subject is greater than other. equals ( other ) ¶Įnsures subject is equal to other. classmethod each_of ( iterable ) ¶Īpplies subsequent predicate(s) to all items in iterable. does_not_equal ( other ) ¶Įnsures subject is not equal to other. does_not_contain ( element ) ¶Įnsures subject does not contain element. contains_some_of ( elements ) ¶Įnsures subject contains at least one of elements, which must be an iterable. contains_only ( elements ) ¶Įnsures subject contains all of elements, which must be an iterable, and no other items. contains_one_or_more_of ( elements ) ¶Įnsures subject contains at least one of elements, which must be an iterable. contains_one_of ( elements ) ¶Įnsures subject contains exactly one of elements, which must be an iterable. contains_none_of ( elements ) ¶Įnsures subject contains none of elements, which must be an iterable. contains_no ( prototype ) ¶Įnsures no item of subject is of class prototype. contains_key ( key ) ¶Įnsures subject is a collections.Mapping and contains key. contains_all_of ( elements ) ¶Įnsures subject contains all of elements, which must be an iterable. contains ( element ) ¶Įnsures subject contains other. to ( str ) called_with ( * args, ** kwargs ) ¶īefore evaluating subsequent predicates, calls subject with given arguments (but unlike a direct call,Ĭatches and transforms any exceptions that arise during the call).
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