python3Packages.dask: 2025.12.0 -> 2026.1.1 (#480703)

pkgs/development/python-modules/awkward-cpp/default.nix

@@ -2,22 +2,26 @@
   lib,
   buildPythonPackage,
   fetchPypi,
+
+  # build-system
   cmake,
   ninja,
   pybind11,
   scikit-build-core,
+
+  # dependencies
   numpy,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "awkward-cpp";
-  version = "51";
+  version = "52";
   pyproject = true;
 
   src = fetchPypi {
     pname = "awkward_cpp";
-    inherit version;
-    hash = "sha256-jHTo+fslAXZtGw+fLrh3fjhEEdM1NKj6Zn1WWZIjoEs=";
+    inherit (finalAttrs) version;
+    hash = "sha256-7xQesgVE3yYblzyYbPrle+MpAiBhvoaBdQat1nZZcnU=";
   };
 
   build-system = [
@@ -39,4 +43,4 @@ buildPythonPackage rec {
     license = lib.licenses.bsd3;
     maintainers = with lib.maintainers; [ veprbl ];
   };
-}
+})

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

@@ -22,16 +22,16 @@
   pytestCheckHook,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "awkward";
-  version = "2.8.11";
+  version = "2.9.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "scikit-hep";
     repo = "awkward";
-    tag = "v${version}";
-    hash = "sha256-76DeL/KIna8Hd9eukCzuRXKO+awkbpc4trCeKTSfGmA=";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-ovbhCPTNxyfL7tkvBCiHF0kZt0l0oMSpdsE4E9S4JJY=";
   };
 
   build-system = [
@@ -68,8 +68,8 @@ buildPythonPackage rec {
   meta = {
     description = "Manipulate JSON-like data with NumPy-like idioms";
     homepage = "https://github.com/scikit-hep/awkward";
-    changelog = "https://github.com/scikit-hep/awkward/releases/tag/${src.tag}";
+    changelog = "https://github.com/scikit-hep/awkward/releases/tag/${finalAttrs.src.tag}";
     license = lib.licenses.bsd3;
     maintainers = with lib.maintainers; [ veprbl ];
   };
-}
+})

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

@@ -1,8 +1,10 @@
 {
   lib,
+  stdenv,
   buildPythonPackage,
   fetchFromGitHub,
   pythonAtLeast,
+  util-linux,
 
   # build-system
   setuptools,
@@ -29,6 +31,7 @@
 
   # tests
   hypothesis,
+  psutil,
   pytest-asyncio,
   pytest-cov-stub,
   pytest-mock,
@@ -39,22 +42,23 @@
   versionCheckHook,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "dask";
-  version = "2025.12.0";
+  version = "2026.1.2";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "dask";
     repo = "dask";
-    tag = version;
-    hash = "sha256-oGBOt2ULLn0Kx1rOVNWaC3l1ECotMC2yNeCHya9Tx+s=";
+    tag = finalAttrs.version;
+    hash = "sha256-cyeAU5r8uYb7aAII9HztKY+3On44/nOC9eU9stYYWzE=";
   };
 
-  # https://github.com/dask/dask/issues/12043
-  postPatch = lib.optionalString (pythonAtLeast "3.14") ''
-    substituteInPlace dask/dataframe/dask_expr/tests/_util.py \
-      --replace-fail "except AttributeError:" "except (AttributeError, pickle.PicklingError):"
+  postPatch = lib.optionalString stdenv.hostPlatform.isLinux ''
+    substituteInPlace dask/tests/test_system.py \
+      --replace-fail \
+        '"taskset",' \
+        '"${lib.getExe' util-linux "taskset"}",'
   '';
 
   build-system = [
@@ -97,6 +101,7 @@ buildPythonPackage rec {
 
   nativeCheckInputs = [
     hypothesis
+    psutil
     pyarrow
     pytest-asyncio
     pytest-cov-stub
@@ -107,8 +112,8 @@ buildPythonPackage rec {
     pytestCheckHook
     versionCheckHook
   ]
-  ++ optional-dependencies.array
-  ++ optional-dependencies.dataframe;
+  ++ finalAttrs.passthru.optional-dependencies.array
+  ++ finalAttrs.passthru.optional-dependencies.dataframe;
 
   pytestFlags = [
     # Rerun failed tests up to three times
@@ -149,4 +154,4 @@ buildPythonPackage rec {
     license = lib.licenses.bsd3;
     maintainers = with lib.maintainers; [ GaetanLepage ];
   };
-}
+})

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

@@ -25,16 +25,16 @@
   zict,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "distributed";
-  version = "2026.1.1";
+  version = "2026.1.2";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "dask";
     repo = "distributed";
-    tag = version;
-    hash = "sha256-xriIsrdFNSHAO9SmdowXK9uPW06ziz9uGie3PkYncqo=";
+    tag = finalAttrs.version;
+    hash = "sha256-VkZ9rd+eVyfwfRMSAqriR8UjdlqsqHYCkCHZJnk0VOU=";
   };
 
   build-system = [
@@ -70,8 +70,8 @@ buildPythonPackage rec {
   meta = {
     description = "Distributed computation in Python";
     homepage = "https://distributed.readthedocs.io/";
-    changelog = "https://github.com/dask/distributed/releases/tag/${src.tag}";
+    changelog = "https://github.com/dask/distributed/releases/tag/${finalAttrs.src.tag}";
     license = lib.licenses.bsd3;
     maintainers = with lib.maintainers; [ teh ];
   };
-}
+})

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

@@ -25,7 +25,7 @@
   xxhash,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "uproot";
   version = "5.7.1";
   pyproject = true;
@@ -33,7 +33,7 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "scikit-hep";
     repo = "uproot5";
-    tag = "v${version}";
+    tag = "v${finalAttrs.version}";
     hash = "sha256-06pMcL2o5hHZLEbi8vdYhAAs5BBkHAskNHUB1o48KDU=";
   };
 
@@ -103,8 +103,8 @@ buildPythonPackage rec {
   meta = {
     description = "ROOT I/O in pure Python and Numpy";
     homepage = "https://github.com/scikit-hep/uproot5";
-    changelog = "https://github.com/scikit-hep/uproot5/releases/tag/v${version}";
+    changelog = "https://github.com/scikit-hep/uproot5/releases/tag/${finalAttrs.src.tag}";
     license = lib.licenses.bsd3;
     maintainers = with lib.maintainers; [ veprbl ];
   };
-}
+})