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115 Commits
Author SHA1 Message Date
Nuno Campos 24d130d407 Add support for requesting multiple stream modes in same stream/astream call 2024-05-22 12:25:28 -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
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 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 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 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
Nuno Campos 273a836fc4 debug: Include task index in task id 2024-05-14 13:35:56 -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
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 aae05407f4 Lint code. 2024-05-13 18:22:07 -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
Nuno Campos e892c95194 Export all exceptions from langgraph.errors 2024-05-07 08:07:26 -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 446543d973 Fix RunnableCallable wrapper when sync func with config arg is invoked async 2024-05-03 12:33:12 -07:00
Nuno Campos 42d3215e34 Implement cursor pagination for get_state_history (time travel endpoint) 
- interface in base checkpointer
- implement in sqlite, aiosqlite, memory
- implement in Pregel.get_state_history()
 2024-05-03 10:34:11 -07:00
Nuno Campos 27efba27c0 Update tests 2024-05-02 09:31:22 -07:00
Nuno Campos 5e322a6550 Implement stream_mode=debug 
- outputs 3 types of payloads
-- task: node about to be executed
-- task_result: result of node execution
-- checkpoint: state values at end of superstep
 2024-04-30 16:15:38 -07:00
Nuno Campos 281e312d40 Add tests for async cancellation 
- when outer invoke/stream is cancelled currently running nodes should be cancelled
- when multiple nodes run in parallel and one fails the others should be cancelled
 2024-04-30 13:57:11 -07:00
Nuno Campos 9a79eb54f9 Finish fixing tests 2024-04-30 09:23:41 -07:00
Nuno Campos 3571a893f2 Fix bug where saving a runnable or function in state object would misbehave 
- the function/runnable would be called when processing the state update
 2024-04-24 15:35:02 -07:00
Nuno Campos 79bff13a47 Add then= arg for add_conditional_edge and set_conditional_entry_point 
- This makes it easy to implement graphs where you want to decide among N possible nodes, and then visit another node after whichever one you chose
 2024-04-24 14:06:07 -07:00
Angel Igareta 99c2754156 Fix tests due to change of style for conditional edges. Migrate ascii to snapshot for system compatiblity 2024-04-18 12:53:43 +02:00
Nuno Campos 64dd631668 Lint 2024-04-17 15:26:05 -07:00
Nuno Campos 322cea054c Fix astream_events modifying output format unexpectedly 
- (unrelated) use run_id passed in
- if using a graph as node in another graph ensure stream_mode for inner call is always values
- ensure langchain-core doesn't auto promote streamed dicts to addable dicts, which results in unexpected output (only) when calling astream_events
 2024-04-17 15:24:43 -07:00
Nuno Campos f3ae555b91 Shorten conditional edge names 2024-04-12 09:29:27 -07:00
Nuno Campos a8af7467b8 In stream_mode=values yield all values, instead of only changed ones 2024-04-11 11:12:10 -07:00
Nuno CamposandGitHub 9ffd6d9c78 Merge pull request #296 from langchain-ai/nc/10apr/tool-node 
Add prebuilt ToolNode, Make prebuilt create_tool_calling_executor compatible with any tool calling model
 2024-04-11 11:10:59 -07:00
Nuno Campos 46e67cff87 Remove flag 2024-04-11 08:44:41 -07:00
hmasdev 236ecb1982 rename node name in tests 2024-04-11 20:34:45 +09:00
hmasdev 42de3304dc Add support for allow_falsy_output parameter in Pregel class 2024-04-11 19:46:01 +09:00
Nuno Campos 7dafc09a5b Add prebuilt ToolNode 2024-04-10 18:15:19 -07:00
Nuno Campos 641def6fdb Fix null output for node with conditional edge returning END 2024-04-10 16:10:08 -07:00
Nuno Campos fd6f44a7e4 feat: Return multiple destinations from conditional edge 2024-04-08 17:05:16 -07:00
Nuno Campos 2a299d070e Optimize tracing output of Graph/StateGraph/MessageGraph 
- control selection of relevant runs (needs langsmith release)
- see output of conditional edge function
- fix issue with conditional entry point not getting full state values as input
 2024-04-02 10:32:47 -07:00
Nuno Campos cbd2024dec Add async test, add test for validation error 2024-04-01 17:56:18 -07:00
Nuno Campos f88ef74002 Add tests for both values of CheckpointAt 
- fix bug when using at=END_OF_RUN together with interrupt_before
- fix bug when calling update_state after only node has run
- update some notebooks to new streaming format (ie. no __end__ node)
 2024-04-01 17:17:39 -07:00
Nuno Campos 2736d72989 Remove __start__ node from stream output 2024-04-01 16:05:12 -07:00
Nuno Campos 3451e04b7d Add test for waiting edge triggered via conditional edge 2024-04-01 12:36:55 -07:00