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_normalize_schema() — langchain Function Reference

Architecture documentation for the _normalize_schema() function in pydantic_utils.py from the langchain codebase.

Function python CoreAbstractions MessageSchema calls 4

Entity Profile

Dependency Diagram

graph TD
  31a96103_4c69_062c_4133_8d54d03d7cea["_normalize_schema()"]
  b22df862_b52d_14dc_cb85_6573258dd27c["pydantic_utils.py"]
  31a96103_4c69_062c_4133_8d54d03d7cea -->|defined in| b22df862_b52d_14dc_cb85_6573258dd27c
  80bb1e8b_2eb4_f11f_8739_d03f6bd4a5c3["remove_all_none_default()"]
  31a96103_4c69_062c_4133_8d54d03d7cea -->|calls| 80bb1e8b_2eb4_f11f_8739_d03f6bd4a5c3
  4b6cb995_0278_5df7_b4c7_82cb6b0b8320["replace_all_of_with_ref()"]
  31a96103_4c69_062c_4133_8d54d03d7cea -->|calls| 4b6cb995_0278_5df7_b4c7_82cb6b0b8320
  308f0879_d0aa_7d08_b310_9c1f1b32e7b1["_remove_enum()"]
  31a96103_4c69_062c_4133_8d54d03d7cea -->|calls| 308f0879_d0aa_7d08_b310_9c1f1b32e7b1
  ffb01e2b_2f23_d6e1_f1e0_57d9068238b3["_remove_additionalproperties()"]
  31a96103_4c69_062c_4133_8d54d03d7cea -->|calls| ffb01e2b_2f23_d6e1_f1e0_57d9068238b3
  style 31a96103_4c69_062c_4133_8d54d03d7cea fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/pydantic_utils.py lines 129–150

def _normalize_schema(obj: Any) -> dict[str, Any]:
    """Generate a schema and normalize it.

    This will collapse single element allOfs into $ref.

    For example,

    'obj': {'allOf': [{'$ref': '#/$defs/obj'}]

    to:

    'obj': {'$ref': '#/$defs/obj'}

    Args:
        obj: The object to generate the schema for
    """
    data = obj.model_json_schema() if isinstance(obj, BaseModel) else obj
    remove_all_none_default(data)
    replace_all_of_with_ref(data)
    _remove_enum(data)
    _remove_additionalproperties(data)
    return data

Domain

Subdomains

Defined In

Calls

Source

Frequently Asked Questions

What does _normalize_schema() do?
_normalize_schema() is a function in the langchain codebase, defined in libs/core/tests/unit_tests/pydantic_utils.py.
Where is _normalize_schema() defined?
_normalize_schema() is defined in libs/core/tests/unit_tests/pydantic_utils.py at line 129.
What does _normalize_schema() call?
_normalize_schema() calls 4 function(s): _remove_additionalproperties, _remove_enum, remove_all_none_default, replace_all_of_with_ref.

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