Add Python 3.11 support (#12256)

Co-authored-by: Travis Hathaway <travis.j.hathaway@gmail.com>
Co-authored-by: Ken Odegard <kodegard@anaconda.com>

.github/workflows/tests.yml

@@ -64,7 +64,7 @@ jobs:
       fail-fast: false
       matrix:
         default-channel: ['defaults', 'conda-forge']
-        python-version: ['3.8', '3.9', '3.10']
+        python-version: ['3.8', '3.9', '3.10', '3.11']
         conda-subdir: ['win-64']
         test-type: ['unit', 'integration']
         test-group: ['1', '2', '3']
@@ -73,7 +73,7 @@ jobs:
           - default-channel: 'conda-forge'
             python-version: '3.8'
           - default-channel: 'conda-forge'
-            python-version: '3.10'
+            python-version: '3.11'
     env:
       OS: Windows
       PYTHON: ${{ matrix.python-version }}
@@ -173,7 +173,7 @@ jobs:
       fail-fast: false
       matrix:
         default-channel: ['defaults', 'conda-forge']
-        python-version: ['3.8', '3.9', '3.10']
+        python-version: ['3.8', '3.9', '3.10', '3.11']
         test-type: ['unit', 'integration']
         test-group: ['1', '2', '3']
         exclude:
@@ -235,7 +235,7 @@ jobs:
       fail-fast: false
       matrix:
         default-channel: ['defaults', 'conda-forge']
-        python-version: ['3.10']
+        python-version: ['3.11']
         platform: ['arm64', 'ppc64le']
     env:
       OS: linux-${{ matrix.platform }}

conda/cli/conda_argparse.py

@@ -928,7 +928,7 @@ def configure_parser_install(sub_parsers):
 
     Install a specific version of 'python' into an environment, myenv::
 
-        conda install -p path/to/myenv python=3.10
+        conda install -p path/to/myenv python=3.11
 
     """
     )

docs/source/dev-guide/development-environment.md

@@ -85,24 +85,24 @@
    By default, it will use Miniconda-based, Python 3.9 installation configured for
    the `defaults` channel. You can customize this with two environment variables:
 
-   - `CONDA_DOCKER_PYTHON`: `major.minor` value; e.g. `3.10`.
+   - `CONDA_DOCKER_PYTHON`: `major.minor` value; e.g. `3.11`.
    - `CONDA_DOCKER_DEFAULT_CHANNEL`: either `defaults` or `conda-forge`
 
-   For example, if you need a conda-forge based 3.10 image:
+   For example, if you need a conda-forge based 3.11 image:
 
    **Bash (macOS, Linux, Windows)**
 
    ```bash
-   $ CONDA_DOCKER_PYTHON=3.10 CONDA_DOCKER_DEFAULT_CHANNEL=conda-forge docker compose build --no-cache
+   $ CONDA_DOCKER_PYTHON=3.11 CONDA_DOCKER_DEFAULT_CHANNEL=conda-forge docker compose build --no-cache
    # --- in some systems you might also need to re-supply the same values as CLI flags:
-   # CONDA_DOCKER_PYTHON=3.10 CONDA_DOCKER_DEFAULT_CHANNEL=conda-forge docker compose build --no-cache --build-arg python_version=3.10 --build-arg default_channel=conda-forge
-   $ CONDA_DOCKER_PYTHON=3.10 CONDA_DOCKER_DEFAULT_CHANNEL=conda-forge docker compose run interactive
+   # CONDA_DOCKER_PYTHON=3.11 CONDA_DOCKER_DEFAULT_CHANNEL=conda-forge docker compose build --no-cache --build-arg python_version=3.11 --build-arg default_channel=conda-forge
+   $ CONDA_DOCKER_PYTHON=3.11 CONDA_DOCKER_DEFAULT_CHANNEL=conda-forge docker compose run interactive
    ```
 
    **cmd.exe (Windows)**
 
    ```batch
-   > set CONDA_DOCKER_PYTHON=3.10
+   > set CONDA_DOCKER_PYTHON=3.11
    > set CONDA_DOCKER_DEFAULT_CHANNEL=conda-forge
    > docker compose build --no-cache
    > docker compose run interactive

docs/source/user-guide/tasks/manage-python.rst

@@ -10,8 +10,7 @@ Managing Python
 Conda treats Python the same as any other package, so it is easy
 to manage and update multiple installations.
 
-Anaconda supports Python 3.7, 3.8, 3.9 and 3.10. The current default is
-Python 3.9.
+Conda supports Python 3.8, 3.9, 3.10, and 3.11.
 
 Viewing a list of available Python versions
 ===========================================

docs/source/user-guide/tasks/use-conda-with-travis-ci.rst

@@ -26,7 +26,7 @@ The .travis.yml file
 
 The following code sample shows how to modify the ``.travis.yml``
 file to use `Miniconda <https://conda.io/miniconda.html>`_ for a
-project that supports Python 3.7, 3.8, 3.9 and 3.10:
+project that supports Python 3.7, 3.8, 3.9, 3.10, and 3.11:
 
 .. code-block:: yaml
 
@@ -37,6 +37,7 @@ project that supports Python 3.7, 3.8, 3.9 and 3.10:
      - "3.8"
      - "3.9"
      - "3.10"
+     - "3.11"
    install:
      # We do this conditionally because it saves us some downloading if the
      # version is the same.

news/12256-python-3.11

@@ -0,0 +1,19 @@
+### Enhancements
+
+* Add Python 3.11 support. (#12256)
+
+### Bug fixes
+
+* <news item>
+
+### Deprecations
+
+* <news item>
+
+### Docs
+
+* <news item>
+
+### Other
+
+* <news item>

pyproject.toml

@@ -21,6 +21,7 @@ classifiers = [
   "Programming Language :: Python :: 3.8",
   "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
+  "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: Implementation :: CPython",
   "Programming Language :: Python :: Implementation :: PyPy"
 ]
@@ -64,7 +65,7 @@ include = ["conda", "conda_env"]
 version-file = "conda/__version__.py"
 
 [tool.black]
-target-version = ['py38', 'py39', 'py310']
+target-version = ['py38', 'py39', 'py310', 'py311']
 
 [tool.isort]
 profile = "black"

recipe/conda_build_config.yaml

@@ -2,3 +2,4 @@ python:
   - 3.8
   - 3.9
   - 3.10
+  - 3.11

tests/test_create.py

@@ -1036,9 +1036,7 @@ def test_create_no_deps_flag(self):
             assert not package_is_installed(prefix, "itsdangerous")
 
     def test_create_only_deps_flag(self):
-        with make_temp_env(
-            "python=2", "flask", "--only-deps", no_capture=True
-        ) as prefix:
+        with make_temp_env("python", "flask", "--only-deps", no_capture=True) as prefix:
             assert not package_is_installed(prefix, "flask")
             assert package_is_installed(prefix, "python")
             if not on_win: