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Allowed function-like type validators #330

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Allowed function-like type validators #330

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6 changes: 5 additions & 1 deletion jsonschema/validators.py
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@
from jsonschema.exceptions import ErrorTree # Backwards compat # noqa: F401
from jsonschema.exceptions import RefResolutionError, SchemaError, UnknownType

type_backup = type

_unset = _utils.Unset()

Expand Down Expand Up @@ -142,7 +143,10 @@ def is_type(self, instance, type):
)
if is_number and bool not in pytypes:
return False
return isinstance(instance, pytypes)
if isinstance(pytypes, (type_backup, tuple)):
return isinstance(instance, pytypes)
elif callable(pytypes):
return pytypes(instance)

def is_valid(self, instance, _schema=None):
error = next(self.iter_errors(instance, _schema), None)
Expand Down