tool_call_schema() — langchain Function Reference
Architecture documentation for the tool_call_schema() function in base.py from the langchain codebase.
Entity Profile
Dependency Diagram
graph TD b7b0f260_6a90_b70a_e9d8_029e942e59a1["tool_call_schema()"] 5ebe56ae_0ac8_cb13_b5a9_ee567b924009["BaseTool"] b7b0f260_6a90_b70a_e9d8_029e942e59a1 -->|defined in| 5ebe56ae_0ac8_cb13_b5a9_ee567b924009 ecf72290_45d2_5efc_567a_33bf808fcd4e["get_input_schema()"] b7b0f260_6a90_b70a_e9d8_029e942e59a1 -->|calls| ecf72290_45d2_5efc_567a_33bf808fcd4e 967c88a4_f24b_828c_a121_3b72c0a58b0b["get_all_basemodel_annotations()"] b7b0f260_6a90_b70a_e9d8_029e942e59a1 -->|calls| 967c88a4_f24b_828c_a121_3b72c0a58b0b 5c55c769_8605_2bfb_879c_38c645ebb4f8["_is_injected_arg_type()"] b7b0f260_6a90_b70a_e9d8_029e942e59a1 -->|calls| 5c55c769_8605_2bfb_879c_38c645ebb4f8 style b7b0f260_6a90_b70a_e9d8_029e942e59a1 fill:#6366f1,stroke:#818cf8,color:#fff
Relationship Graph
Source Code
libs/core/langchain_core/tools/base.py lines 587–609
def tool_call_schema(self) -> ArgsSchema:
"""Get the schema for tool calls, excluding injected arguments.
Returns:
The schema that should be used for tool calls from language models.
"""
if isinstance(self.args_schema, dict):
if self.description:
return {
**self.args_schema,
"description": self.description,
}
return self.args_schema
full_schema = self.get_input_schema()
fields = []
for name, type_ in get_all_basemodel_annotations(full_schema).items():
if not _is_injected_arg_type(type_):
fields.append(name)
return _create_subset_model(
self.name, full_schema, fields, fn_description=self.description
)Domain
Subdomains
Defined In
Source
Frequently Asked Questions
What does tool_call_schema() do?
tool_call_schema() is a function in the langchain codebase, defined in libs/core/langchain_core/tools/base.py.
Where is tool_call_schema() defined?
tool_call_schema() is defined in libs/core/langchain_core/tools/base.py at line 587.
What does tool_call_schema() call?
tool_call_schema() calls 3 function(s): _is_injected_arg_type, get_all_basemodel_annotations, get_input_schema.
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