langchain-ai/langgraph
1
0
Fork 0
mirror of https://github.com/langchain-ai/langgraph.git synced 2026-07-15 12:35:43 -04:00
Code Issues 314 Packages Projects Releases 17 Wiki Activity

[PR #4443] Feat/persona memory node #3823

New Issue
Closed
opened 2026-02-20 17:49:13 -05:00 by yindo · 0 comments
yindo commented 2026-02-20 17:49:13 -05:00
Owner
Copy Link
Copy Source

Original Pull Request: https://github.com/langchain-ai/langgraph/pull/4443

State: closed
Merged: No

Summary

This PR adds a new PersonaMemory module to langgraph.experimental.memory, enabling:

  • Extraction of personality traits from text based on adjectives using spaCy
  • Extraction of associated people, places, and events
  • Tracking of evolving persona traits and associations across a session
  • Saving and loading PersonaMemory state to/from the LangGraph checkpoint system (both sync and async)
  • Support for extending trait extraction with user-provided extra synonyms

Changes

  • New persona_memory.py module with sync and async save/load support
  • New tests:
    • test_persona_memory.py
    • test_persona_memory_db.py
    • test_persona_memory_db_async.py
  • spaCy added to pyproject.toml as a new dependency
  • All new functionality is isolated within experimental/, fully backward compatible

Notes

  • All new tests pass
  • No breaking changes
  • Only new dependency is spacy (added to project dependencies)

Checklist

  • Follows LangGraph coding and contribution standards
  • Isolated scope to experimental memory system
  • Thorough tests for added functionality
  • No unrelated file changes
  • Clear docstrings for all public methods
  • Updated pyproject.toml with new required dependency (spaCy)
**Original Pull Request:** https://github.com/langchain-ai/langgraph/pull/4443 **State:** closed **Merged:** No --- ## Summary This PR adds a new `PersonaMemory` module to `langgraph.experimental.memory`, enabling: - Extraction of personality traits from text based on adjectives using **spaCy** - Extraction of associated people, places, and events - Tracking of evolving persona traits and associations across a session - Saving and loading PersonaMemory state to/from the LangGraph checkpoint system (both sync and async) - Support for extending trait extraction with user-provided extra synonyms ## Changes - New `persona_memory.py` module with sync and async save/load support - New tests: - `test_persona_memory.py` - `test_persona_memory_db.py` - `test_persona_memory_db_async.py` - spaCy added to `pyproject.toml` as a new dependency - All new functionality is isolated within `experimental/`, fully backward compatible ## Notes - All new tests pass - No breaking changes - Only new dependency is `spacy` (added to project dependencies) ## Checklist - [x] Follows LangGraph coding and contribution standards - [x] Isolated scope to experimental memory system - [x] Thorough tests for added functionality - [x] No unrelated file changes - [x] Clear docstrings for all public methods - [x] Updated `pyproject.toml` with new required dependency (spaCy)
yindo added the pull-request label 2026-02-20 17:49:13 -05:00
yindo closed this issue 2026-02-20 17:49:13 -05:00
Sign in to join this conversation.
No Branch/Tag Specified
Branches Tags
Labels
Clear labels
agents
awaiting author revision
bug
change
chat models
checkpointer
ci
code quality
code quality
dependencies
documentation
drawing
duplicate
enhancement
good first issue
help wanted
invalid
maintainer
meta
missing information
not maintained by langchain
open-swe-auto
open-swe-max
open-swe-max-auto
pending
performance
pull-request
Mirrored from GitHub Pull Request
 question
requires design
sdk
server
stale
studio
tests
type checking
usage question
v0.5
v1.1
No Label pull-request
Milestone
No items
No Milestone
Projects
Clear projects
No project
Assignees
Clear assignees
yindo
No Assignees
1 Participants
Notifications
Due Date
No due date set.
Dependencies

No dependencies set.

Reference: langchain-ai/langgraph#3823
Delete Branch "%!s()"

Deleting a branch is permanent. Although the deleted branch may continue to exist for a short time before it actually gets removed, it CANNOT be undone in most cases. Continue?