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76 Commits
Author SHA1 Message Date
Vadym BardaandGitHub 016a9c1936 checkpoint-postgres: release 2.0.3 (#2455) 2024-11-18 16:55:54 -05:00
vbarda f807b73092 use capabilities 2024-11-18 12:15:18 -05:00
vbarda f0505155a2 cache 2024-11-18 11:12:21 -05:00
vbarda 0a5220aa07 code review 2024-11-14 19:06:41 -05:00
vbarda c2052d11c2 checkpoint-postgres: remove pipeline flag in cursor 2024-11-13 21:42:51 -05:00
Nuno Campos 1e3953d1e0 Test order of update application after Send 
- updates from inside Send tasks are applied in the order the Sends were created, if when you fan out, and have each task write results to a list with reducer, the final list is in the order you used when triggering
 2024-11-01 13:23:10 -07:00
Vadym BardaandGitHub 39d9cdbef0 checkpoint-postgres: release 2.0.2 (#2183) 2024-10-24 17:06:36 -04:00
Vadym BardaandGitHub def3e06b4a move py.typed to submodules for namespace packages (#2177) 2024-10-24 13:43:43 -04:00
Vadym BardaandGitHub 62a5ec509d checkpoint: add DuckDB store (#2154) 2024-10-23 22:20:10 +00:00
Vadym BardaandGitHub d32386f849 checkpoint: add DuckDB checkpointer (#2145) 2024-10-23 21:11:03 +00:00
Nuno Campos cb7b667e6f Update psycopg 2024-10-10 16:09:24 -07:00
William FHandGitHub 254b12a62d Use AsyncBatch for postgres store (#2020) 2024-10-08 06:58:26 +00:00
William FHandGitHub 6c0da426c6 [PostGres Checkpointer] Run CI on PG15 as well (#1953) 2024-10-02 19:16:58 +00:00
William FHandGitHub 5c3ac5d16d Update PG Implementation (#1948) 2024-10-01 13:11:19 -07:00
Vadym BardaandGitHub 4a45f6c99a langgraph, sqlite, postgres: update to use langgraph-checkpoint==2.0.0 (#1946) 2024-10-01 15:28:06 -04:00
William FHandGitHub dd88ac6224 Bump SDK Py (#1935) 2024-10-01 08:17:51 +00:00
William FHandGitHub 29f58fd9e5 Custom loads support in postgres checkpointer (#1930) 2024-09-30 16:42:23 -07:00
William FHandGitHub 97f79fc66b Add Postgres Store Implementation (#1906) 2024-09-30 21:18:58 +00:00
Vadym BardaandGitHub ea0418334b checkpoint-postgres: release 1.0.9 (#1890) 2024-09-27 16:12:06 -04:00
Vadym BardaandGitHub bf19dc7d08 checkpoint-postgres: handle null chars in metadata (#1885) 2024-09-27 16:02:03 +00:00
Vadym BardaandGitHub 659d127d2b checkpoint postgres,sqlite: update langgraph-checkpoint to 1.0.11 (#1815) 2024-09-23 22:09:28 +00:00
Vadym BardaandGitHub 7d513bcde2 checkpoint postgres,sqlite: update langgraph-checkpoint (#1813) 2024-09-23 21:47:26 +00:00
Vadym BardaandGitHub 515c619bc2 checkpoint postgres,sqlite: update version (#1812) 2024-09-23 17:33:19 -04:00
Nuno Campos e71c24ea9b Raise exception if sync method on async checkpointer is called from main thread 
- The thread running the event loop can block waiting for a coro to run, only background threads can
 2024-09-23 08:41:57 -07:00
Nuno CamposandGitHub 0bbe461785 Merge pull request #1771 from langchain-ai/nc/19sep/mypy-langgraph-partial 
Enable mypy for langgraph lib
 2024-09-19 16:53:42 -07:00
Nuno Campos cc318b1156 Fix 2024-09-19 11:43:30 -07:00
Nuno Campos fdf7bad988 Remove ignore for 3.9 2024-09-19 09:19:00 -07:00
Nuno Campos 495d258322 Fix 3.9 2024-09-19 08:50:17 -07:00
Nuno Campos b8a8651c23 ci: Enable mypy checks for checkpoint-postgres lib 2024-09-19 08:40:31 -07:00
Nuno Campos 4d0c12117b postgres 1.0.7 2024-09-16 14:10:19 -07:00
Nuno CamposandGitHub 3b05279e32 Implement serialization with msgpack library (#1716) 
* Implement serialization with msgpack library

- encode custom python objects with a msgpack extension type, with constructor path string, and args encoded as nested msgpack doc

* Smaller msgpack extension types

* Update lock files

* lock

* Don't delegate to pydantic json

* Fix kafka serde

- should use our serializer to load, as inputs to subgraphs are serialized using it
 2024-09-16 14:06:42 -07:00
Pratyush VermaGitHubVadym Barda
 		c3b4acf3f1 checkpoint postgres: allow passing custom serde (#1699) 
* Use correct serde in postgres checkpoint

* Revert metadata serde

* Revert

---------

Co-authored-by: Vadym Barda <vadym@langchain.dev>
 2024-09-12 21:09:23 -07:00
Nuno CamposandGitHub 66fc7c96aa More performance improvements in checkpointing and channels (#1685) 
* Performance improvements in checkpointer libs

- Use sha1 instead of md5 for hashing (faster in python 3.x)
- Use orjson instead of json for json dumping (sadly can't use for json loading)

* Update tests

* Update

* Use random number instead of hash for get_version_number

* Avoid saving writes for the last task to complete in each step

- only when possible, exceptions for ERROR, INTERRUPT, SEND

* Make Channel.from_checkpoint a regular function

- context manager no longer needed since Context became a managed value

* Use __slots__ for Channels

* Fix for kafka
 2024-09-12 21:08:30 -07:00
Nuno Campos 270559b880 Implement changes in sqlite checkpointer 2024-09-10 16:17:22 -07:00
Nuno Campos 8f91402642 Use thread_id for partition key, ignore tasks for stale checkpoints 2024-09-10 16:17:22 -07:00
Nuno Campos b13db42568 WIP Subgraphs 2024-09-10 16:17:22 -07:00
Nuno Campos 6e9f54e5ae postgres 1.0.6 2024-09-02 17:57:55 -07:00
Nuno Campos dd4a15b569 Require latest version of langgraph-checkpoint 2024-09-02 17:57:33 -07:00
Nuno Campos 3b2a237deb Lint 2024-09-02 17:45:57 -07:00
Nuno Campos 0cc3799298 checkpoint: Implement sync methods in async checkpointers 
- These are needed when subgraphs are invoked synchronously in nodes
 2024-09-02 17:43:34 -07:00
Nuno Campos 3943637202 Bump them all 2024-08-30 14:18:35 -07:00
Nuno Campos e744db169a postgres/sqlite: Sort pending writes when fetching from db 2024-08-30 14:07:46 -07:00
Nuno Campos e338a4ec98 Fix filtering on ns 2024-08-27 16:09:11 -07:00
Nuno Campos 9b6100bc4f Avoid storing Sends twice in memory and postgres checkpointers 
- Sends are stored through put_writes, so we don't need to also store them inside checkpoint object
- On reading checkpoint, reconstruct pending_sends from the stored writes
 2024-08-27 11:10:18 -07:00
Nuno Campos 330c91f622 Update ruff 2024-08-27 10:50:39 -07:00
Vadym BardaandGitHub c88d289a73 checkpoint-postgres: release 1.0.4 (#1493) 2024-08-27 11:34:26 -04:00
Vadym BardaandGitHub d12f5c6d8b checkpoint-postgres: allow passing pool (#1452) 
* checkpoint-postgres: allow passing pool

* make psycopg_pool a non-dev dependency

* code review

* lockfile

* move methods

* relax requirements, remove binary

* add binary to dev dependencies

* update readme
 2024-08-27 15:30:13 +00:00
vbarda 85e698e20b filter on checkpoint NS 2024-08-26 19:26:35 -04:00
Vadym BardaandGitHub 4c4d7054ab Merge branch 'main' into vb/update-get-state 2024-08-23 14:27:40 -04:00
vbarda 4162be8119 optimize subgraph state lookups 2024-08-22 20:35:08 -04:00