Add python-abi3

recipes/python-abi3/LICENSE.txt

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+Copyright (c) 2015-2023, conda-forge
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+* Neither the name of staged-recipes nor the names of its
+  contributors may be used to endorse or promote products derived from
+  this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

recipes/python-abi3/bld.bat

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+:: Copy the [de]activate scripts to %PREFIX%\etc\conda\[de]activate.d.
+:: This will allow them to be run on environment activation.
+FOR %%F IN (activate deactivate) DO (
+    if not exist %PREFIX%\etc\conda\%%F.d MKDIR %PREFIX%\etc\conda\%%F.d
+    if errorlevel 1 exit 1
+    sed "s/@PY_LIMITED_API/%PY_LIMITED_API%/g" %RECIPE_DIR%\scripts\%%F.bat >> %PREFIX%\etc\conda\%%F.d\%PKG_NAME%_%%F.bat
+    :: We also copy .sh scripts to be able to use them
+    :: with POSIX CLI on Windows.
+    sed "s/@PY_LIMITED_API/%PY_LIMITED_API%/g" %RECIPE_DIR%\scripts\%%F.sh >> %PREFIX%\etc\conda\%%F.d\%PKG_NAME%_%%F.sh
+    if errorlevel 1 exit 1
+)

recipes/python-abi3/build.sh

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+# Copy the [de]activate scripts to $PREFIX/etc/conda/[de]activate.d.
+# This will allow them to be run on environment activation.
+for CHANGE in "activate" "deactivate"
+do
+    mkdir -p "${PREFIX}/etc/conda/${CHANGE}.d"
+    sed "s/@PY_LIMITED_API@/${PY_LIMITED_API}/g" "${RECIPE_DIR}/scripts/${CHANGE}.sh" >> "${PREFIX}/etc/conda/${CHANGE}.d/${PKG_NAME}_${CHANGE}.sh"
+done

recipes/python-abi3/conda-forge.yml

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+noarch_platforms:
+- linux_64
+- win_64

recipes/python-abi3/conda_build_config.yaml

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+version:
+- "3.9"
+- "3.10"
+- "3.11"
+- "3.12"
+- "3.13"
+version_hex:
+- "0x03090000"
+- "0x030a0000"
+- "0x030b0000"
+- "0x030c0000"
+- "0x030d0000"
+zip_keys:
+- - version
+  - version_hex

recipes/python-abi3/example-meta.yaml

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+package:
+  name: python-abi3-package-sample
+  version: 0.0.1
+
+source:
+  url: https://github.com/joerick/python-abi3-package-sample/archive/6f74ae7b31e58ef5f8f09b647364854122e61155.tar.gz
+  sha256: e81fd4d4c4f5b7bc9786d9ee990afc659e14a25ce11182b7b69f826407cc1718
+
+build:
+  number: 0
+  python_version_independent: true   # [is_abi3]
+  script: {{ PYTHON }} -m pip install . -vv
+  skip: True                         # [is_abi3 and not is_python_min]
+
+requirements:
+  build:
+    - {{ compiler('c') }}
+    - {{ stdlib('c') }}
+  host:
+    - python-abi3                    # [is_abi3]
+    - python
+    - pip
+    - setuptools
+  run:
+    - python
+
+test:
+  imports:
+    - spam
+  requires:
+    - pip
+    - abi3audit
+  commands:
+    - pip check
+    - abi3audit $SP_DIR/spam.abi3.so -s -v --assume-minimum-abi3 {{ python_min }}   # [unix]
+    - abi3audit %SP_DIR%/spam.dll -s -v --assume-minimum-abi3 {{ python_min }}       # [win]
+
+about:
+  home: https://github.com/joerick/python-abi3-package-sample
+  summary: 'ABI3 example'
+  license: Apache-2.0
+  license_file: LICENSE
+
+extra:
+  recipe-maintainers:
+    - isuruf

recipes/python-abi3/meta.yaml

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+{% if version is not defined %}
+{% set version = "3.9" %}
+{% endif %}
+
+package:
+  name: python-abi3-split
+  version: {{ version }}
+
+build:
+  number: 0
+
+outputs:
+  - name: python-abi3
+    build:
+      noarch: generic
+      run_exports:
+        - _python_abi3_support 1.*
+        - python >={{ version }}
+      script_env:
+        - PY_LIMITED_API={{ version_hex }}
+    requirements:
+      build:
+        - sed      # [unix]
+        - m2-sed   # [win]
+      host:
+      run:
+        - python {{ version }}
+        - _python_abi3_support
+        - __unix   # [unix]
+        - __win    # [win]
+    test:
+      commands:
+        - echo "hello world!"
+
+  - name: _python_abi3_support
+    version: 1.0
+    build:
+      noarch: generic
+    requirements:
+      run:
+        - cpython
+        - python-gil
+    test:
+      commands:
+        - echo "hello world!"
+
+about:
+  home: https://github.com/conda-forge/python-abi3-feedstock
+  summary: 'Support Python ABI3 packages on conda'
+  description: |
+    python-abi3 package can be used for supporting ABI3 packages on
+    conda-forge. ABI3 supports building a C extension for one specific
+    CPython version and make it work on any later version.
+    (freethreading is not supported)
+  license: MIT
+  license_file: LICENSE.txt
+
+extra:
+  feedstock-name: python-abi3
+  recipe-maintainers:
+    - isuruf

recipes/python-abi3/scripts/activate.sh

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+export PY_LIMITED_API="@PY_LIMITED_API@"
+export CPPFLAGS="${CPPFLAGS} -DPy_LIMITED_API=@PY_LIMITED_API@"

recipes/python-abi3/scripts/deactivate.sh

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+unset PY_LIMITED_API