_to_timestamp_and_nanos() — langchain Function Reference

Architecture documentation for the _to_timestamp_and_nanos() function in uuid.py from the langchain codebase.

Function python CoreAbstractions MessageSchema calls 1 called by 2

Entity Profile

CoreAbstractions→ MessageSchema→ _to_timestamp_and_nanos() — langchain Function Reference

Dependency Diagram

graph TD
  82d0459b_34a7_5b82_42a9_ca77916261f1["_to_timestamp_and_nanos()"]
  23a1b3c0_d78f_7f2f_8eca_25b1ca6a84a6["uuid.py"]
  82d0459b_34a7_5b82_42a9_ca77916261f1 -->|defined in| 23a1b3c0_d78f_7f2f_8eca_25b1ca6a84a6
  82d0459b_34a7_5b82_42a9_ca77916261f1["_to_timestamp_and_nanos()"]
  82d0459b_34a7_5b82_42a9_ca77916261f1 -->|calls| 82d0459b_34a7_5b82_42a9_ca77916261f1
  e1e180ca_933c_9b8d_6488_6601bd6e988b["uuid7()"]
  e1e180ca_933c_9b8d_6488_6601bd6e988b -->|calls| 82d0459b_34a7_5b82_42a9_ca77916261f1
  82d0459b_34a7_5b82_42a9_ca77916261f1["_to_timestamp_and_nanos()"]
  82d0459b_34a7_5b82_42a9_ca77916261f1 -->|calls| 82d0459b_34a7_5b82_42a9_ca77916261f1
  style 82d0459b_34a7_5b82_42a9_ca77916261f1 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/utils/uuid.py lines 20–23

def _to_timestamp_and_nanos(nanoseconds: int) -> tuple[int, int]:
    """Split a nanosecond timestamp into seconds and remaining nanoseconds."""
    seconds, nanos = divmod(nanoseconds, _NANOS_PER_SECOND)
    return seconds, nanos