_get_hours_passed() — langchain Function Reference

Architecture documentation for the _get_hours_passed() function in time_weighted_retriever.py from the langchain codebase.

Function python LangChainCore ApiManagement called by 1

Entity Profile

LangChainCore→ ApiManagement→ _get_hours_passed() — langchain Function Reference

Dependency Diagram

graph TD
  d1bd6e3c_8025_6ecd_ce6e_d1deea9cc917["_get_hours_passed()"]
  897b0803_c373_37ca_9d1a_c7e7ca71116a["time_weighted_retriever.py"]
  d1bd6e3c_8025_6ecd_ce6e_d1deea9cc917 -->|defined in| 897b0803_c373_37ca_9d1a_c7e7ca71116a
  de9ececd_a24c_a706_c8b7_9e9cc434d9ae["_get_combined_score()"]
  de9ececd_a24c_a706_c8b7_9e9cc434d9ae -->|calls| d1bd6e3c_8025_6ecd_ce6e_d1deea9cc917
  style d1bd6e3c_8025_6ecd_ce6e_d1deea9cc917 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/retrievers/time_weighted_retriever.py lines 16–18

def _get_hours_passed(time: datetime.datetime, ref_time: datetime.datetime) -> float:
    """Get the hours passed between two datetimes."""
    return (time - ref_time).total_seconds() / 3600