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3.14t support
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‎.github/workflows/tests.yaml‎

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@@ -26,7 +26,7 @@ jobs:
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fail-fast: false
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matrix:
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os: [ubuntu-latest, windows-latest, macos-latest]
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environment: [mindeps, "3.10", "3.11", "3.12", "3.13", "3.14"]
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environment: [mindeps, "3.10", "3.11", "3.12", "3.13", "3.14", "3.14t"]
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label: [default]
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extra_packages: [null]
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# Cherry-pick test modules to split the overall runtime roughly in half
@@ -44,6 +44,8 @@ jobs:
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environment: "3.12"
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- os: macos-latest
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environment: "3.13"
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- os: macos-latest
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environment: "3.14t"
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- os: windows-latest
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environment: mindeps
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|| steps.cache.outputs.cache-hit != 'true'
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)
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- name: Disable msgpack C extension on free-threading
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# FIXME https://github.com/msgpack/msgpack-python/issues/613
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# The msgpack C module does not contain any race conditions in free-threading,
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# but does not release the GIL. So we need to either install the (slower)
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# pure-python variant or we need to run the test suite with PYTHON_GIL=0.
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# The former approach has the benefit of proving that msgpack is the only offender.
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if: ${{ matrix.environment == '3.14t' }}
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shell: bash -l {0}
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run: |
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conda uninstall -y -v --force msgpack-python
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MSGPACK_PUREPYTHON=1 python -m pip install msgpack --no-binary msgpack --no-cache --force-reinstall -v
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python -Werror -c 'import msgpack'
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- name: Install
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shell: bash -l {0}
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run: |

‎continuous_integration/environment-3.10.yaml‎

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@@ -13,7 +13,7 @@ dependencies:
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- cloudpickle
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- coverage
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- cython # Only tested here; also a dependency of crick
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- dask # overridden by git tip below
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- dask # overridden by git tip below; pulls in optional dependencies
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- fsspec
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- gilknocker
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- h5py

‎continuous_integration/environment-3.11.yaml‎

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@@ -11,7 +11,7 @@ dependencies:
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- click
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- cloudpickle
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- coverage
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- dask # overridden by git tip below
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- dask # overridden by git tip below; pulls in optional dependencies
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- fsspec # overridden by git tip below
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- gilknocker
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- h5py

‎continuous_integration/environment-3.12.yaml‎

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@@ -11,7 +11,7 @@ dependencies:
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- click
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- cloudpickle
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- coverage
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- dask # overridden by git tip below
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- dask # overridden by git tip below; pulls in optional dependencies
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- fsspec # overridden by git tip below
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- gilknocker
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- h5py

‎continuous_integration/environment-3.13.yaml‎

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@@ -1,4 +1,4 @@
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name: dask-distributed-313
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name: dask-distributed
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channels:
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- conda-forge
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dependencies:
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- click
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- cloudpickle
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- coverage
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- dask # overridden by git tip below
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- dask # overridden by git tip below; pulls in optional dependencies
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- fsspec # overridden by git tip below
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- gilknocker
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- h5py

‎continuous_integration/environment-3.14.yaml‎

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@@ -1,4 +1,4 @@
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name: dask-distributed-313
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name: dask-distributed
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channels:
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- conda-forge
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dependencies:
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- click
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- cloudpickle
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- coverage
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- dask # overridden by git tip below
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- dask # overridden by git tip below; pulls in optional dependencies
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- fsspec # overridden by git tip below
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- gilknocker
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- h5py

‎continuous_integration/environment-3.14t.yaml‎

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name: dask-distributed
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channels:
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- conda-forge
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dependencies:
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- python-freethreading=3.14
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- packaging
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- pip
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- asyncssh
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- bokeh>3
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- click
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- cloudpickle
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- coverage
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# conda variant of dask depends on cytoolz, which is not available
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# on conda yet. Manually install dask dependencies from conda below.
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# - dask # overridden by git tip below; pulls in optional dependencies
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- fsspec # overridden by git tip below
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# - gilknocker # Makes no sense in free-threading
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# - h5py # Not available for 3.14t
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# - ipykernel # Not available for 3.14t
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- ipywidgets
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- jinja2
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- jupyter_events
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# - jupyter-server-proxy # Not available for 3.14t
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# - jupyterlab # Not available for 3.14t
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- locket
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# FIXME https://github.com/msgpack/msgpack-python/issues/613
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# Install placeholder to prevent distributed below from compiling the C extension from
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# sources. tests.yml will replace this with a pure-python variant.
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- msgpack-python
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- netcdf4
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- paramiko
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- pre-commit
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- prometheus_client
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- psutil
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- pyarrow
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- pytest
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- pytest-cov
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- pytest-faulthandler
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- pytest-repeat
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- pytest-rerunfailures
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- pytest-timeout
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- requests
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- scikit-learn
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- scipy
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- sortedcollections
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- tblib
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- toolz
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- tornado
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- zict # overridden by git tip below
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- zstandard
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##### 3.14t temporary hacks
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# packages normally pulled in by the `dask` conda package
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- dask-core
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# - cytoolz # conda package for 3.14t not yet available; installed via pip below
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- lz4
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- numpy
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- pandas>=3 # Actually need >=3.0.1 due to severe race conditions in 3.0
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# (https://github.com/pandas-dev/pandas/pull/63783)
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# Until 3.0.1 is released, this is temporarily overridden
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# by pandas git below.
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- pyarrow
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- bokeh
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- jinja2
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- pyyaml
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- sortedcontainers
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- urllib3
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##### end 3.14t hacks
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- pip:
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- git+https://github.com/dask/dask
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- git+https://github.com/dask/zict
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- git+https://github.com/fsspec/filesystem_spec
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- keras
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##### 3.14t temporary hacks
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- cytoolz # conda package for 3.14t not yet available
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- git+https://github.com/pandas-dev/pandas.git@3.0.x # Need pandas 3.0.1
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##### end 3.14t hacks

‎pyproject.toml‎

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@@ -21,6 +21,7 @@ classifiers = [
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"Programming Language :: Python :: 3.12",
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"Programming Language :: Python :: 3.13",
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"Programming Language :: Python :: 3.14",
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"Programming Language :: Python :: Free Threading :: 1 - Unstable",
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"Topic :: Scientific/Engineering",
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"Topic :: System :: Distributed Computing",
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]

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