checkpointsqlite==1.0.3

langgraph-checkpoint-sqlite 1.0.3

Summary of Changes

• Fixed connection handling in SqliteSaver.from_conn_string method by properly closing SQLite connections (#1589)
• Improved thread safety for both SqliteSaver and AsyncSqliteSaver with more consistent lock acquisition (#1589)

Detailed Changes

langgraph.checkpoint.sqlite.SqliteSaver

• Enhanced from_conn_string method to properly close SQLite connections using closing() context manager
• Improved thread safety in cursor method by acquiring a lock before database operations
• Removed redundant lock acquisition in put and put_writes methods since locks are now managed by the cursor method they call

langgraph.checkpoint.sqlite.aio.AsyncSqliteSaver

• Enhanced thread safety across multiple async methods by consistently acquiring locks:
  • Added lock acquisition in aget_tuple method
  • Added lock acquisition in alist method
  • Added lock acquisition in aput method
  • Added lock acquisition in aput_writes method