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import warnings
from typing import Any
from typing import Mapping
from typing import Optional
from jsonschema_path import SchemaPath
from openapi_core.casting.schemas.casters import SchemaCaster
from openapi_core.casting.schemas.exceptions import CastError
from openapi_core.deserializing.exceptions import DeserializeError
from openapi_core.deserializing.styles.datatypes import DeserializerCallable
class StyleDeserializer:
def __init__(
self,
style: str,
explode: bool,
name: str,
schema: SchemaPath,
caster: SchemaCaster,
deserializer_callable: Optional[DeserializerCallable] = None,
):
self.style = style
self.explode = explode
self.name = name
self.schema = schema
self.schema_type = schema.getkey("type", "")
self.caster = caster
self.deserializer_callable = deserializer_callable
def deserialize(self, location: Mapping[str, Any]) -> Any:
if self.deserializer_callable is None:
warnings.warn(f"Unsupported {self.style} style")
return location[self.name]
try:
value = self.deserializer_callable(
self.explode, self.name, self.schema_type, location
)
except (ValueError, TypeError, AttributeError) as exc:
raise DeserializeError(self.style, self.name) from exc
try:
return self.caster.cast(value)
except (ValueError, TypeError, AttributeError) as exc:
raise CastError(value, self.schema_type) from exc
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