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228 Commits
Author SHA1 Message Date
Nuno Campos 86bc774b3d Lint 2024-05-30 08:08:21 -07:00
Nuno Campos 6e74415ec8 Add test for node decorated with traceable decorator 2024-05-30 08:04:48 -07:00
Nuno Campos 24d130d407 Add support for requesting multiple stream modes in same stream/astream call 2024-05-22 12:25:28 -07:00
Nuno Campos 8b946af20f Add support and tests for using messagegraph checkpoints on a stategraph with 1 __root__ key other keys 2024-05-21 14:01:23 -07:00
Andrew NguonlyandGitHub 08b505e017 Merge configurable fields with previous checkpoint config before each run (#510) 
* Merge configurable fields with previous checkpoint config.

* Update update_state() and aupdate_state() to merge configurable fields with previous checkpoint config.

* Update tests to verify that all checkpoint metadata contain the expected configurable field keys. This assertion is needed because a run can have an arbitrary number of steps based on the construction of the graph.
 2024-05-21 11:03:25 -07:00
Nuno Campos de71709fdc Expose checkpoint timestamp in get/update/list state methods 2024-05-20 16:23:46 -07:00
Nuno CamposandGitHub e33e4a64f9 Merge pull request #499 from langchain-ai/wfh/warn 2024-05-20 09:46:43 -07:00
William Fu-Hinthorn 70c5a22e4b Warn invalid state 2024-05-20 09:33:19 -07:00
Andrew Nguonly f5454715df Merge main branch. 2024-05-17 19:32:14 -07:00
Andrew Nguonly 09bae3022d Add checkpoint config to checkpoint metadata? 2024-05-17 19:25:02 -07:00
Andrew Nguonly 18addb52aa Add support for passing Callable metadata filter to FewShotExamples managed value. 2024-05-17 18:41:57 -07:00
Nuno Campos 695503a4d3 Update to langchain-core 0.2.0 
- Use stream_events(version=v2) in tests
 2024-05-17 14:38:51 -07:00
Nuno CamposandGitHub 920978c4ab Merge pull request #484 from langchain-ai/nc/16may/retry-policy 
Add retry_policy for graphs
 2024-05-16 18:10:32 -07:00
Nuno Campos a4e88e930f Disable retries by default 2024-05-16 15:59:45 -07:00
Nuno Campos 2414e0ab5e Add retry_policy for graphs 
- default is to retry, fully configurable
- configuration options follow temporal https://docs.temporal.io/retry-policies#properties
 2024-05-16 15:44:30 -07:00
Nuno CamposandGitHub f03930ad36 Merge pull request #454 from langchain-ai/nc/add-node-single-arg 
Add single arg overload for add_node, which takes function/runnable's…
 2024-05-16 10:59:23 -07:00
William FHandGitHub 4209508556 Tool Validator Node (#468) 2024-05-15 20:02:38 -07:00
William FHandGitHub d8c3e70900 Accept raw functions (#466) 2024-05-15 17:03:51 -07:00
William FHandGitHub 4f8346df35 Handle Async Callable (#457) 2024-05-15 10:54:53 -07:00
Nuno Campos 6f888b6206 Add single arg overload for add_node, which takes function/runnable's name as the node name 2024-05-14 17:51:25 -07:00
Nuno Campos 52b2c755d7 Use uuid6 as the id for checkpoints 
- this avoids conflicts if multiple processes creating checkpoints in same thread at same time
- uuid6 with a monotically increasing clock_seq is sortable by creation time at ms precision (plus clock_seq for ties, plus 48 bits of randomness for further ties)
 2024-05-14 16:56:25 -07:00
Nuno Campos a909d90b08 More small fixes following JS impl 2024-05-14 15:36:38 -07:00
Nuno CamposandGitHub a694aaa2bb Merge pull request #444 from langchain-ai/an/10may/few-shot-clone 
Add `FewShotExamples` managed value (redo)
 2024-05-14 15:35:48 -07:00
Andrew Nguonly 78e3a240f1 Update implementation for constructing WHERE clause for SqliteSaver so that parameter values are not hardcoded, but bound instead. 2024-05-14 14:44:59 -07:00
Nuno Campos 273a836fc4 debug: Include task index in task id 2024-05-14 13:35:56 -07:00
Andrew Nguonly 28e5d8f699 Update FewShotExamples class to support setting filter and limit params. 2024-05-14 12:41:55 -07:00
Nuno CamposandGitHub d8af81312a Merge pull request #447 from langchain-ai/nc/14may/small-fixes 
Fix memory checkpointer list/alist
 2024-05-14 11:24:04 -07:00
Andrew Nguonly d6d33f9551 Fix bug with WHERE clause being incorrect when passing before param. 2024-05-14 10:38:26 -07:00
Nuno Campos 0c37a17172 Fix memory checkpointer list/alist 
- add tests for memory checkpointer list and alist
- fix async step counting
 2024-05-14 10:37:01 -07:00
William FHandGitHub f146668735 Rename "action" to "tools" in tools_condition w/in docs (#445) 2024-05-13 23:41:33 -07:00
Andrew Nguonly 065e0ff360 Remove unused imports. 2024-05-13 18:34:54 -07:00
William FHandGitHub f335105853 Update Refs to clean up syntax highlighting (#443) 2024-05-13 18:32:42 -07:00
Andrew Nguonly aae05407f4 Lint code. 2024-05-13 18:22:07 -07:00
Andrew Nguonly 7a8cbe18f9 Implement asearch() in AsyncSqliteSaver. 2024-05-13 17:21:17 -07:00
Andrew Nguonly 9b1efe9698 Implement search() for SqliteSaver. 2024-05-13 16:59:59 -07:00
Andrew Nguonly dcb7278c56 Add search and asearch APIs to BaseCheckpointerSaver class. Implement search and asearch in MemorySaver. 2024-05-13 15:55:38 -07:00
Nuno CamposGitHubAndrew Nguonly
 		445a110917 Add managed values and IsLastStep (#330) 
* Add managed values and IsLastStep

- managed values are read-only state keys whose values are managed by langgraph
- this PR implements one: IsLastValue, a boolean which is True in the last iteration, eg to allow you to return a nice "ran out of iterations" message to user

* Fix

* Fix some issues

* py39

* Break ref

* Fix types

* Fix

* Fix

* Update state.py

* Don't mutate dictionary while using it in for loop.

---------

Co-authored-by: Andrew Nguonly <andrewnguonly@gmail.com>
 2024-05-10 13:44:20 -07:00
Nuno Campos 227f409611 Add writes property in checkpoint metadata 
- This adds a historic view of the actions taken by nodes inside a thread, supporting rendering a richer history of a thread (eg in debug ui)
 2024-05-09 14:30:29 -07:00
Nuno Campos a6c6b8211f Add tests for calling update on an empty thread 
- this would eg be what you'd do in an api like openai assistants api
 2024-05-08 10:43:31 -07:00
William FHandGitHub 3e5ea31cdc Add Spellcheck and import hogwarts (#419) 2024-05-08 10:25:11 -07:00
William FHandGitHub dbe10a8c99 Migrate Tool Executor to ReAct Agent (#409) 2024-05-07 12:23:04 -07:00
Nuno Campos e892c95194 Export all exceptions from langgraph.errors 2024-05-07 08:07:26 -07:00
Nuno CamposandGitHub 5bee63c7d5 Merge pull request #387 from langchain-ai/nc/3may/checkpoint-metadata 
Add metadata to checkpoints, checkpoint inputs before first step
 2024-05-06 14:41:29 -07:00
Nuno Campos 52852cb226 Update langchain-core 2024-05-06 12:20:20 -07:00
Nuno Campos 48865daf02 Fix checkpoint lineage for updates/resumes 2024-05-06 11:53:20 -07:00
Nuno Campos 611ecdb1cd Checkpoint inputs before starting the first step for easier error recovery 
- this enables easier retrying, for any error just do .invoke(None, config) no matter which step the error happened on
 2024-05-06 11:53:20 -07:00
Nuno Campos f160f82912 Add checkpoint metadata fields 
- source: input, update or loop
- step: int
- make step counter continue from previous last step
 2024-05-06 11:52:49 -07:00
Nuno Campos 3ff3def62b Remove option to only checkpoint at end of run 
- Now that checkpoint at end of each step adds no latency there is not point to keep this
- This will make it easier to add future features
 2024-05-06 11:52:49 -07:00
Nuno Campos f304908102 Add metadata to checkpoints 
- not yet used in this PR
 2024-05-06 11:52:49 -07:00
Nuno Campos 04fe48f661 Add (failing) test for drawing cyclic edge 
- fix waiting for new release of langchain-core
 2024-05-03 15:17:20 -07:00