allow default option for typed_schema (#1700)

Co-authored-by: Otto Winter <otto@otto-winter.com>
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wifwucite 2021-05-23 22:24:24 +02:00 committed by GitHub
parent 0ce57e5a39
commit 8d8d421286
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@ -1363,15 +1363,17 @@ def extract_keys(schema):
def typed_schema(schemas, **kwargs):
"""Create a schema that has a key to distinguish between schemas"""
key = kwargs.pop("key", CONF_TYPE)
default_schema_option = kwargs.pop("default_type", None)
key_validator = one_of(*schemas, **kwargs)
def validator(value):
if not isinstance(value, dict):
raise Invalid("Value must be dict")
if key not in value:
raise Invalid("type not specified!")
value = value.copy()
key_v = key_validator(value.pop(key))
schema_option = value.pop(key, default_schema_option)
if schema_option is None:
raise Invalid(key + " not specified!")
key_v = key_validator(schema_option)
value = schemas[key_v](value)
value[key] = key_v
return value