_list_directory() — langchain Function Reference

Architecture documentation for the _list_directory() function in anthropic_tools.py from the langchain codebase.

Function python LangChainCore MessageInterface called by 1

Entity Profile

LangChainCore→ MessageInterface→ _list_directory() — langchain Function Reference

Dependency Diagram

graph TD
  19486b37_2ea2_1132_8eb1_d4def5f50de0["_list_directory()"]
  19f1d717_5fcb_e619_f4a8_c2fc5a4421aa["anthropic_tools.py"]
  19486b37_2ea2_1132_8eb1_d4def5f50de0 -->|defined in| 19f1d717_5fcb_e619_f4a8_c2fc5a4421aa
  f2bf3aba_56f3_0a65_e91d_2e98b4adca69["_handle_view()"]
  f2bf3aba_56f3_0a65_e91d_2e98b4adca69 -->|calls| 19486b37_2ea2_1132_8eb1_d4def5f50de0
  style 19486b37_2ea2_1132_8eb1_d4def5f50de0 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/partners/anthropic/langchain_anthropic/middleware/anthropic_tools.py lines 134–156

def _list_directory(files: dict[str, FileData], path: str) -> list[str]:
    """List files in a directory.

    Args:
        files: Files `dict`.
        path: Normalized directory path.

    Returns:
        Sorted list of file paths in the directory.
    """
    # Ensure path ends with / for directory matching
    dir_path = path if path.endswith("/") else f"{path}/"

    matching_files = []
    for file_path in files:
        if file_path.startswith(dir_path):
            # Get relative path from directory
            relative = file_path[len(dir_path) :]
            # Only include direct children (no subdirectories)
            if "/" not in relative:
                matching_files.append(file_path)

    return sorted(matching_files)