python3Packages.{langchain,langgraph}: 250730 update (#427212)

pkgs/development/python-modules/langchain-anthropic/default.nix

@@ -22,14 +22,14 @@
 
 buildPythonPackage rec {
   pname = "langchain-anthropic";
-  version = "0.3.15";
+  version = "0.3.17";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langchain";
     tag = "langchain-anthropic==${version}";
-    hash = "sha256-GOD6pMuUDCfrQ6MP+/HXZIg5wHUDRysosEjXjewY/9M=";
+    hash = "sha256-oUT4Mu/vG+bVF6zLQX2RbVUglJ6VMyBt8XtCBSlBlpU=";
   };
 
   sourceRoot = "${src.name}/libs/partners/anthropic";

pkgs/development/python-modules/langchain-core/default.nix

@@ -36,14 +36,14 @@
 
 buildPythonPackage rec {
   pname = "langchain-core";
-  version = "0.3.66";
+  version = "0.3.72";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langchain";
     tag = "langchain-core==${version}";
-    hash = "sha256-k9B2ApNyX3w6RTt/XdOl2FvU87NuZSi96vvfJOnBltM=";
+    hash = "sha256-Q2uGMiODUtwkPdOyuSqp8vqjlLjiXk75QjXp7rr20tc=";
   };
 
   sourceRoot = "${src.name}/libs/core";

pkgs/development/python-modules/langchain-ollama/default.nix

@@ -22,14 +22,14 @@
 
 buildPythonPackage rec {
   pname = "langchain-ollama";
-  version = "0.3.5";
+  version = "0.3.6";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langchain";
     tag = "langchain-ollama==${version}";
-    hash = "sha256-UmfbCctAb0D8mETICl5OJ58vghwhQKWkM1drkPt1aAg=";
+    hash = "sha256-GQkyJaYvwRbjDR0Rfen7/X5hFhY2+WU74B6/9Ufhpo4=";
   };
 
   sourceRoot = "${src.name}/libs/partners/ollama";

pkgs/development/python-modules/langchain/default.nix

@@ -44,14 +44,14 @@
 
 buildPythonPackage rec {
   pname = "langchain";
-  version = "0.3.26";
+  version = "0.3.27";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langchain";
     tag = "langchain==${version}";
-    hash = "sha256-xxkayOtC2GtgtF3tPkTGKOS9VQ/y2gRPopvKq48/Kq0=";
+    hash = "sha256-bqzJ0017Td65rhDCr2wfx+SCaJzPZTFzQpzy3RlaRj4=";
   };
 
   sourceRoot = "${src.name}/libs/langchain";
@@ -128,6 +128,9 @@ buildPythonPackage rec {
     "test_serializable_mapping"
     "test_person"
     "test_aliases_hidden"
+    # AssertionError: (failed string match due to terminal control chars in output)
+    # https://github.com/langchain-ai/langchain/issues/32150
+    "test_filecallback"
   ];
 
   disabledTestPaths = [
@@ -151,6 +154,8 @@ buildPythonPackage rec {
     rev-prefix = "langchain==";
   };
 
+  __darwinAllowLocalNetworking = true;
+
   meta = {
     description = "Building applications with LLMs through composability";
     homepage = "https://github.com/langchain-ai/langchain";

pkgs/development/python-modules/langgraph-checkpoint-postgres/default.nix

@@ -5,7 +5,7 @@
   stdenvNoCC,
 
   # build system
-  poetry-core,
+  hatchling,
 
   # dependencies
   langgraph-checkpoint,
@@ -26,14 +26,14 @@
 
 buildPythonPackage rec {
   pname = "langgraph-checkpoint-postgres";
-  version = "2.0.21";
+  version = "2.0.23";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langgraph";
     tag = "checkpointpostgres==${version}";
-    hash = "sha256-hl1EBOtUkSfHGxsM+LOZPLSvkW7hdHS08klpvA7/Bd0=";
+    hash = "sha256-QAzT8T3bf3R3gwI/iWDYYDz0SxgLZsP61oMk72dYz4s=";
   };
 
   postgresqlTestSetupPost = ''
@@ -44,7 +44,7 @@ buildPythonPackage rec {
 
   sourceRoot = "${src.name}/libs/checkpoint-postgres";
 
-  build-system = [ poetry-core ];
+  build-system = [ hatchling ];
 
   dependencies = [
     langgraph-checkpoint

pkgs/development/python-modules/langgraph-checkpoint-sqlite/default.nix

@@ -4,15 +4,17 @@
   fetchFromGitHub,
 
   # build system
-  poetry-core,
+  hatchling,
 
   # dependencies
   aiosqlite,
   langgraph-checkpoint,
+  sqlite-vec,
 
   # testing
   pytest-asyncio,
   pytestCheckHook,
+  sqlite,
 
   # passthru
   gitUpdater,
@@ -20,28 +22,33 @@
 
 buildPythonPackage rec {
   pname = "langgraph-checkpoint-sqlite";
-  version = "2.0.6";
+  version = "2.0.10";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langgraph";
     tag = "checkpointsqlite==${version}";
-    hash = "sha256-UUlrhQS0C2rPp//+LwU2rgR4R3AM5fM9X3CYvi/DAy8=";
+    hash = "sha256-570rXAxS4p2b7fc1aqSNArXHTz7G2GjZQDqMlqK7Jso=";
   };
 
   sourceRoot = "${src.name}/libs/checkpoint-sqlite";
 
-  build-system = [ poetry-core ];
+  build-system = [ hatchling ];
 
   dependencies = [
     aiosqlite
     langgraph-checkpoint
+    sqlite-vec
   ];
 
   pythonRelaxDeps = [
     "aiosqlite"
 
+    # Bug: version is showing up as 0.0.0
+    # https://github.com/NixOS/nixpkgs/issues/427197
+    "sqlite-vec"
+
     # Checkpoint clients are lagging behind langgraph-checkpoint
     "langgraph-checkpoint"
   ];
@@ -51,6 +58,20 @@ buildPythonPackage rec {
   nativeCheckInputs = [
     pytest-asyncio
     pytestCheckHook
+    sqlite
+  ];
+
+  disabledTestPaths = [
+    # Failed: 'flaky' not found in `markers` configuration option
+    "tests/test_ttl.py"
+  ];
+
+  disabledTests = [
+    # AssertionError: (fails object comparison due to extra runtime fields)
+    # https://github.com/langchain-ai/langgraph/issues/5604
+    "test_combined_metadata"
+    "test_asearch"
+    "test_search"
   ];
 
   passthru.updateScript = gitUpdater {

pkgs/development/python-modules/langgraph-checkpoint/default.nix

@@ -4,7 +4,7 @@
   fetchFromGitHub,
 
   # build system
-  poetry-core,
+  hatchling,
 
   # dependencies
   langchain-core,
@@ -13,6 +13,8 @@
 
   # testing
   dataclasses-json,
+  numpy,
+  pandas,
   pytest-asyncio,
   pytest-mock,
   pytestCheckHook,
@@ -23,19 +25,19 @@
 
 buildPythonPackage rec {
   pname = "langgraph-checkpoint";
-  version = "2.0.26";
+  version = "2.1.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langgraph";
     tag = "checkpoint==${version}";
-    hash = "sha256-DSkjaxUfpsOg2ex0dgfO/UJ7WiQb5wQsAGgHPTckF6o=";
+    hash = "sha256-UY3AChShKfOrtOQzOm5vi3Yy3rlBc+TAje9L2L6My/U=";
   };
 
   sourceRoot = "${src.name}/libs/checkpoint";
 
-  build-system = [ poetry-core ];
+  build-system = [ hatchling ];
 
   dependencies = [
     langchain-core
@@ -48,6 +50,8 @@ buildPythonPackage rec {
 
   nativeCheckInputs = [
     dataclasses-json
+    numpy
+    pandas
     pytest-asyncio
     pytest-mock
     pytestCheckHook

pkgs/development/python-modules/langgraph-prebuilt/default.nix

@@ -5,7 +5,7 @@
   fetchFromGitHub,
 
   # build-system
-  poetry-core,
+  hatchling,
 
   # dependencies
   langchain-core,
@@ -21,6 +21,7 @@
   pytest-asyncio,
   pytest-mock,
   pytestCheckHook,
+  syrupy,
   xxhash,
 
   # passthru
@@ -30,19 +31,19 @@
 # It exists so the langgraph team can iterate on it without having to rebuild langgraph.
 buildPythonPackage rec {
   pname = "langgraph-prebuilt";
-  version = "0.1.8";
+  version = "0.6.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langgraph";
     tag = "prebuilt==${version}";
-    hash = "sha256-mYcj7HRbB5H6G0CVLOICKgdtR5Wlv9WeTIBjQJqlhOE=";
+    hash = "sha256-8mubZSV1CDgYzykKaaWqn04yJldAgdGmgZDm54towWc=";
   };
 
   sourceRoot = "${src.name}/libs/prebuilt";
 
-  build-system = [ poetry-core ];
+  build-system = [ hatchling ];
 
   dependencies = [
     langchain-core
@@ -66,6 +67,7 @@ buildPythonPackage rec {
     pytest-asyncio
     pytest-mock
     pytestCheckHook
+    syrupy
     xxhash
   ];
 
@@ -82,6 +84,9 @@ buildPythonPackage rec {
     # psycopg.OperationalError: connection failed: connection to server at "127.0.0.1", port 5442 failed: Connection refused
     # Is the server running on that host and accepting TCP/IP connections?
     "tests/test_react_agent.py"
+
+    # Utilities to import
+    "tests/conftest.py"
   ];
 
   passthru.updateScript = gitUpdater {

pkgs/development/python-modules/langgraph-sdk/default.nix

@@ -4,7 +4,7 @@
   fetchFromGitHub,
 
   # build-system
-  poetry-core,
+  hatchling,
 
   # dependencies
   httpx,
@@ -18,19 +18,19 @@
 
 buildPythonPackage rec {
   pname = "langgraph-sdk";
-  version = "0.1.69";
+  version = "0.2.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langgraph";
     tag = "sdk==${version}";
-    hash = "sha256-MRs5crbUEak/fr17+lerGFY+xTm7sanUW1lZXbPBAeg=";
+    hash = "sha256-uhVdtB/fLy0hfZKfzNV2eoO83bvKppGVl4Lm8IEscL0=";
   };
 
   sourceRoot = "${src.name}/libs/sdk-py";
 
-  build-system = [ poetry-core ];
+  build-system = [ hatchling ];
 
   dependencies = [
     httpx

pkgs/development/python-modules/langgraph/default.nix

@@ -5,13 +5,14 @@
   fetchFromGitHub,
 
   # build-system
-  poetry-core,
+  hatchling,
 
   # dependencies
   langchain-core,
   langgraph-checkpoint,
   langgraph-prebuilt,
   langgraph-sdk,
+  pydantic,
   xxhash,
 
   # tests
@@ -23,7 +24,6 @@
   langgraph-checkpoint-sqlite,
   langsmith,
   psycopg,
-  pydantic,
   pytest-asyncio,
   pytest-mock,
   pytest-repeat,
@@ -38,30 +38,33 @@
 }:
 buildPythonPackage rec {
   pname = "langgraph";
-  version = "0.4.1";
+  version = "0.6.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langgraph";
     tag = version;
-    hash = "sha256-bTxtfduuuyRITZqhk15aWwxNwiZ7TMTgBOEPat6zVIc=";
+    hash = "sha256-8mubZSV1CDgYzykKaaWqn04yJldAgdGmgZDm54towWc=";
   };
 
   postgresqlTestSetupPost = ''
-    substituteInPlace tests/conftest.py \
+    substituteInPlace tests/conftest_store.py \
+      --replace-fail "DEFAULT_POSTGRES_URI = \"postgres://postgres:postgres@localhost:5442/\"" "DEFAULT_POSTGRES_URI = \"postgres:///$PGDATABASE\""
+    substituteInPlace tests/conftest_checkpointer.py \
       --replace-fail "DEFAULT_POSTGRES_URI = \"postgres://postgres:postgres@localhost:5442/\"" "DEFAULT_POSTGRES_URI = \"postgres:///$PGDATABASE\""
   '';
 
   sourceRoot = "${src.name}/libs/langgraph";
 
-  build-system = [ poetry-core ];
+  build-system = [ hatchling ];
 
   dependencies = [
     langchain-core
     langgraph-checkpoint
     langgraph-prebuilt
     langgraph-sdk
+    pydantic
     xxhash
   ];
 
@@ -96,10 +99,6 @@ buildPythonPackage rec {
   ];
 
   disabledTests = [
-    # test is flaky due to pydantic error on the exception
-    "test_doesnt_warn_valid_schema"
-    "test_tool_node_inject_store"
-
     # Disabling tests that requires to create new random databases
     "test_cancel_graph_astream"
     "test_cancel_graph_astream_events_v2"
@@ -114,9 +113,9 @@ buildPythonPackage rec {
     "test_pending_writes_resume"
     "test_remove_message_via_state_update"
 
-    # pydantic.errors.PydanticForbiddenQualifier,
+    # Requires `langgraph dev` to be running
-    # see https://github.com/langchain-ai/langgraph/issues/4360
+    "test_remote_graph_basic_invoke"
-    "test_state_schema_optional_values"
+    "test_remote_graph_stream_messages_tuple"
   ];
 
   disabledTestPaths = [

pkgs/development/python-modules/ormsgpack/default.nix

@@ -19,19 +19,19 @@
 
 buildPythonPackage rec {
   pname = "ormsgpack";
-  version = "1.9.1";
+  version = "1.10.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "aviramha";
     repo = "ormsgpack";
     tag = version;
-    hash = "sha256-lFKHXTYtYEjtu+nXemQnB0yjkFD69gr0n7XfJ1Hy3J0=";
+    hash = "sha256-7VESiHAkDynf31xrQQh0Vv5vSfMOjnVXRFackUQdB68=";
   };
 
   cargoDeps = rustPlatform.fetchCargoVendor {
     inherit src;
-    hash = "sha256-jOEryJcE5+b0Y588fbDSyPcz5h4zYz2+40+lIfRDV1M=";
+    hash = "sha256-um6PzwL0M5lz4gDkTO/lvWJ0wwuCneNKRW8qysKMmM0=";
   };
 
   build-system = [