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4,144 Commits 322 Branches 572 Tags
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101 Commits
Author SHA1 Message Date
Vadym BardaandGitHub 1377e3b6ba checkpoint: combine metadata when writing checkpoints (#3404) 2025-02-13 03:24:41 +00:00
William FHandGitHub e81979827f Support index embed specification via string (#3317) 
So you can do

```
from langgraph.store.memory|posgres|etc. import InMemoryStore

InMemoryStore(index={"embed": "openai:text-embedding-3-small"})
```
 2025-02-09 02:09:10 +00:00
William FHandGitHub 3daa4ae466 Update name to InMemorySaver (#2044) 
(Keep MemorySaver around for backwards compatibility)

"MemorySaver" is ambiguous: is it saving memories? Where is it saving
memories to?

InMemorySaver aligns naming InMemoryStore as well as similar LangChain
objects (InMemoryVectorStore, etc.)
 2025-02-05 22:04:25 -08:00
Nuno Campos 14b500d8a8 Fix 2025-01-15 10:47:09 -08:00
Nuno Campos 053a501db3 Add optional task_path arg for put_writes() 
- Will be used for sorting pending_sends when available
 2025-01-15 10:42:54 -08:00
vbarda a031f8294e all lines 2024-12-12 11:06:45 -05:00
vbarda 7d940a4a96 lint 2024-12-12 10:58:50 -05:00
vbarda 6ae0c83c83 checkpoint: set strict_map_key=False in serde 2024-12-12 10:58:07 -05:00
Nuno Campos 7f8ec2c590 Fix 2024-12-10 13:46:45 -08:00
Nuno Campos 11e80210a2 lib: Performance improvements 
- don't create contextvars.Context/asyncio.Task in RunnableSeq (not needed as each step creates it if necessary)
- don't run in-memory-saver methods in background threads (no point as they hold the gil)
- avoid calling should_interrupt when no interrupts set
 2024-12-10 11:40:24 -08:00
William FHandGitHub 3f1bdb9ebf Add sync support for the AsyncPostgresStore (#2673) 2024-12-09 07:12:52 -08:00
William FHandGitHub 0f0e31df24 Nicer item repr (#2655) 2024-12-05 10:52:44 -08:00
William FHandGitHub e5e659c590 Add langgraph.json snippet to concept doc (#2630) 2024-12-04 17:11:13 +00:00
William FHandGitHub 830557d6b7 Clarify behavior in docstring (#2628) 2024-12-04 16:38:09 +00:00
William FHandGitHub c322f7ffa6 Add Memory Store conceptual doc section (#2624) 
On semantic search
 2024-12-04 15:19:49 +00:00
William FHandGitHub e6c83abecd Fix ref doc formatting (#2623) 2024-12-04 06:55:15 -08:00
William FHandGitHub 5fa196ab38 Update docstrings for store classes (#2616) 2024-12-03 19:51:25 -08:00
William FHandGitHub 36b6cd1493 fix: Handle empty store similarity (numpy) (#2602) 2024-12-02 18:20:19 -08:00
William FHandGitHub 62a36befd5 Add in-mem vector search (#2547) 2024-11-27 14:53:24 -08:00
William FHandGitHub 1febec7c0d Dedup store batch operations (#2534) 2024-11-25 16:31:26 -08:00
William FHandGitHub 679a7365da Add default ns in put_writes (#2404) 2024-11-18 22:55:12 -08:00
Nuno CamposandGitHub 167405daf2 Merge pull request #2434 from langchain-ai/nc/15nov/update-state-copy-parent 
lib: When copying checkpoint, make it a child of the parent
 2024-11-18 08:34:34 -08:00
Nuno CamposGitHubWilliam Fu-Hinthorn
 		886df0fa86 checkpoint: Add option to use persistent dict for in-memory checkpointer (#2439) 
- This should only be used in very specific circunstances, sqlite or
postgres adapters much more appropriate in most circunstances

---------

Co-authored-by: William Fu-Hinthorn <13333726+hinthornw@users.noreply.github.com>
 2024-11-18 16:04:05 +00:00
Nuno Campos 36e49eb190 Add distinct source 2024-11-15 17:04:40 -08:00
Nuno CamposandGitHub f11127648e Merge pull request #2346 from langchain-ai/nc/4nov/send-eager 
lib: Execute Sends in the superstep that originated them (feature-flagged)
 2024-11-13 13:39:50 -08:00
Nuno Campos 03bc9ba6e6 Make Command a dataclass 2024-11-13 13:11:28 -08:00
William FHandGitHub 7b4c29a20d [Checkpointers] MemorySaver: refrain from overwriting writes (#2399) 2024-11-13 00:20:38 +00:00
Nuno Campos 86d2847dab Use neg idx 2024-11-11 17:57:45 -08:00
Nuno Campos 89a0859928 Execute Sends in same super step that triggered them 
- Keep old code path for compatibility with existing checkpoints
- Keep a similar order of application of updates, in some cases there will be no visible change
- Update task path for Sends to contain the path of all the parent tasks (multiple parents when a Send task creates another Send)
- That lineage path is used to ensure order of application of updates respects their logical lineage (ie updates from parents always applied before their child tasks)
- Move Interrupt writes to use negative indexes, which allow replacing/shadowing (when task is re-run it may interrupt again, or succeed)
- Runner will now attempt to schedule new Send tasks as soon as the write is received (ie while the originating node is still running)
- Update kafka scheduler to support new Send behavior
 2024-11-11 14:01:16 -08:00
Nuno Campos efb1dd6a10 lib: Rename Control to GraphCommand 2024-11-11 13:01:04 -08:00
Nuno Campos 010564cbb3 lib: Make Control object serializable 2024-11-05 15:24:20 -08:00
Vadym BardaandGitHub def3e06b4a move py.typed to submodules for namespace packages (#2177) 2024-10-24 13:43:43 -04:00
Nuno Campos dc47c7b357 lib: Add result for each task in a checkpoint 
- Note this requires disabling the optimization that avoids saving writes for the last task in a step
 2024-10-11 16:08:00 -07:00
William FHandGitHub 254b12a62d Use AsyncBatch for postgres store (#2020) 2024-10-08 06:58:26 +00:00
Riya SinhaandGitHub 61798d09d2 checkpoint: set CheckpointNS ConfigurableFieldSpec model default to empty string (#2019) 2024-10-07 18:38:18 +00:00
William FHandGitHub 05dbc1d498 Validate in async batched store (#2017) 2024-10-06 14:09:35 -07:00
William FHandGitHub 018e9ac42e Check is string in store namespace validation (on put) (#2007) 2024-10-04 17:55:30 +00:00
William FHandGitHub c74aba8cc5 [Docs] Storage ref docs (#1985) 2024-10-02 16:53:39 -07:00
William FHandGitHub a3cb9c1a94 Validate no empty namespace is added (#1961) 
Also check the root label isn't "langgraph"
 2024-10-01 18:43:45 -07:00
William FHandGitHub db87642a10 Revert "Validate not empty (#1957)" (#1960) 
This reverts commit cf67acb699.
 2024-10-01 17:44:08 -07:00
William FHandGitHub cf67acb699 Validate not empty (#1957) 2024-10-01 17:23:44 -07:00
Vadym BardaandGitHub 7071817155 checkpoint: fix namespace issues (#1915) 2024-09-30 14:52:57 -04:00
Nuno CamposandGitHub b1a4243055 Implement new Store interface (#1834) 2024-09-29 17:06:42 -07:00
Vadym BardaandGitHub 03be3b6567 docs: reorganize API refs (#1884) 2024-09-27 18:12:12 -04:00
vbarda 4271afeb42 checkpoint: support serde for SecretStr 2024-09-26 21:09:07 -04:00
Vadym BardaandGitHub 72c5bc35cd checkpoint: update note in MemorySaver (#1862) 2024-09-26 15:07:36 +00:00
Nuno CamposandGitHub 7b94f1e326 Update __init__.py 2024-09-20 10:50:40 -07:00
Nuno Campos 5de9b35416 Finish 2024-09-19 13:01:54 -07:00
Nuno Campos cc318b1156 Fix 2024-09-19 11:43:30 -07:00
Nuno Campos 9a8cc75ea2 Fix some typing issues in langgraph lib 2024-09-19 11:38:41 -07:00