get_init_version() — langchain Function Reference

Architecture documentation for the get_init_version() function in check_version.py from the langchain codebase.

Function python LangChainCore Runnables called by 1

Entity Profile

LangChainCore→ Runnables→ get_init_version() — langchain Function Reference

Dependency Diagram

graph TD
  aa3e2c9a_3150_1e34_78d5_e8bcfdc912a6["get_init_version()"]
  38914e20_32e7_35e1_71af_1a3b2e7d5416["check_version.py"]
  aa3e2c9a_3150_1e34_78d5_e8bcfdc912a6 -->|defined in| 38914e20_32e7_35e1_71af_1a3b2e7d5416
  06661442_038e_b46d_78bf_48e3415d8d56["main()"]
  06661442_038e_b46d_78bf_48e3415d8d56 -->|calls| aa3e2c9a_3150_1e34_78d5_e8bcfdc912a6
  style aa3e2c9a_3150_1e34_78d5_e8bcfdc912a6 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/scripts/check_version.py lines 20–24

def get_init_version(init_path: Path) -> str | None:
    """Extract __version__ from __init__.py."""
    content = init_path.read_text()
    match = re.search(r'^__version__\s*=\s*"([^"]+)"', content, re.MULTILINE)
    return match.group(1) if match else None