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22 changes: 16 additions & 6 deletions weaviate/collections/filters.py
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
import uuid as uuid_lib
from typing import Any, Dict, List, Literal, Optional, cast, overload
from typing import Any, Dict, List, Literal, Optional, cast

from weaviate.collections.classes.filters import (
FilterValues,
Expand All @@ -21,19 +21,29 @@


class _FilterToGRPC:
@overload
@staticmethod
def convert(weav_filter: Literal[None]) -> None: ...
def convert(weav_filter: Literal[None]) -> None:
if weav_filter is None:
return None
elif type(weav_filter) is _FilterValue:
return _FilterToGRPC.__value_filter(weav_filter)
else:
return _FilterToGRPC.__and_or_not_filter(weav_filter)

@overload
@staticmethod
def convert(weav_filter: _Filters) -> base_pb2.Filters: ...
def convert(weav_filter: _Filters) -> base_pb2.Filters:
if weav_filter is None:
return None
elif type(weav_filter) is _FilterValue:
return _FilterToGRPC.__value_filter(weav_filter)
else:
return _FilterToGRPC.__and_or_not_filter(weav_filter)

@staticmethod
def convert(weav_filter: Optional[_Filters]) -> Optional[base_pb2.Filters]:
if weav_filter is None:
return None
elif isinstance(weav_filter, _FilterValue):
elif type(weav_filter) is _FilterValue:
return _FilterToGRPC.__value_filter(weav_filter)
else:
return _FilterToGRPC.__and_or_not_filter(weav_filter)
Expand Down