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remove unused _extract_typedict_type_values

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This commit is contained in:
Mason Daugherty 2025-08-06 14:02:51 -04:00
parent 8a3e049a9e
commit 3165954328
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1 changed files with 1 additions and 31 deletions
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32
libs/core/langchain_core/messages/content_blocks.py
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@ -106,7 +106,7 @@ import warnings
from typing import Any, Literal, Optional, Union
from uuid import uuid4
from typing_extensions import NotRequired, TypedDict, TypeGuard, get_args, get_origin
from typing_extensions import NotRequired, TypedDict, TypeGuard
def _ensure_id(id_val: Optional[str]) -> str:
@ -852,36 +852,6 @@ ContentBlock = Union[
]
def _extract_typedict_type_values(union_type: Any) -> set[str]:
"""Extract the values of the ``'type'`` field from a TypedDict union type."""
result: set[str] = set()
def _extract_from_type(type_arg: Any) -> None:
# If it's a Union, recursively extract from its args
if get_origin(type_arg) is Union:
for sub_type in get_args(type_arg):
_extract_from_type(sub_type)
# If it's a TypedDict with a type annotation, extract the literal values
elif (
hasattr(type_arg, "__annotations__") and "type" in type_arg.__annotations__
):
annotation = type_arg.__annotations__["type"]
# Handle NotRequired[Literal[...]] annotations
if get_origin(annotation) is not None and "NotRequired" in str(
get_origin(annotation)
):
inner_annotation = get_args(annotation)[0]
if get_origin(inner_annotation) is Literal:
result.update(get_args(inner_annotation))
elif get_origin(annotation) is Literal:
result.update(get_args(annotation))
for value in get_args(union_type):
_extract_from_type(value)
return result
KNOWN_BLOCK_TYPES = {
"text",
"text-plain",