langchain Architecture Docs
Home / Function/ _count_message_tokens() — langchain Function Reference

_count_message_tokens() — langchain Function Reference

Architecture documentation for the _count_message_tokens() function in test_context_editing.py from the langchain codebase.

Function python LangChainCore MessageInterface calls 1 called by 1

Entity Profile

Dependency Diagram

graph TD
  eb6f62e5_f9cc_0bfa_50cc_1d041797cf64["_count_message_tokens()"]
  95bc2c91_0832_8fb7_f8e0_c4d613e022d3["test_context_editing.py"]
  eb6f62e5_f9cc_0bfa_50cc_1d041797cf64 -->|defined in| 95bc2c91_0832_8fb7_f8e0_c4d613e022d3
  fa2312c7_2802_6fd6_1396_bf6702991289["get_num_tokens_from_messages()"]
  fa2312c7_2802_6fd6_1396_bf6702991289 -->|calls| eb6f62e5_f9cc_0bfa_50cc_1d041797cf64
  95aa2f5d_9849_f57c_96a7_2f6ada598848["_count_content()"]
  eb6f62e5_f9cc_0bfa_50cc_1d041797cf64 -->|calls| 95aa2f5d_9849_f57c_96a7_2f6ada598848
  style eb6f62e5_f9cc_0bfa_50cc_1d041797cf64 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_context_editing.py lines 45–50

def _count_message_tokens(message: MessageLikeRepresentation) -> int:
    if isinstance(message, (AIMessage, ToolMessage)):
        return _count_content(message.content)
    if isinstance(message, str):
        return len(message)
    return len(str(message))

Domain

Subdomains

Defined In

Calls

Called By

Source

Frequently Asked Questions

What does _count_message_tokens() do?
_count_message_tokens() is a function in the langchain codebase, defined in libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_context_editing.py.
Where is _count_message_tokens() defined?
_count_message_tokens() is defined in libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_context_editing.py at line 45.
What does _count_message_tokens() call?
_count_message_tokens() calls 1 function(s): _count_content.
What calls _count_message_tokens()?
_count_message_tokens() is called by 1 function(s): get_num_tokens_from_messages.

Analyze Your Own Codebase

Get architecture documentation, dependency graphs, and domain analysis for your codebase in minutes.

Try Supermodel Free