Force Cython~=0.29.36, as ffpyplayer is incompatible with Cython>=3 (ATM)

.github/workflows/pythonapp.yml

@@ -64,7 +64,7 @@ jobs:
       run: python setup.py sdist --formats=gztar
     - name: Install pip deps
       run: |
-        python -m pip install --upgrade pip virtualenv wheel setuptools cython pytest
+        python -m pip install --upgrade pip virtualenv wheel setuptools cython~=0.29.36 pytest
     - name: Make wheel
       run: |
         $env:SDL_ROOT=(get-item $env:SDL_ROOT).FullName

doc/source/installation.rst

@@ -28,7 +28,7 @@ Requirements
 
 To compile ffpyplayer we need:
 
-    * Cython (``pip install --upgrade cython``).
+    * Cython (``pip install --upgrade cython~=0.29.36``).
     * A c compiler e.g. gcc or MSVC.
     * SDL2 or SDL1.2 (SDL1.2 is not recommended). See :ref:`compille` for how to get it.
     * SDL2_mixer If wanting to play multiple audio files simultaneously (``USE_SDL2_MIXER`` must be set). See :ref:`compille` for how to get it.
@@ -41,7 +41,7 @@ Compiling ffpyplayer
 * Download or compile FFMpeg and SDL2 as shown below and set the appropriate environment variables as needed.
 * Install Cython with e.g.::
 
-      pip install --upgrade cython
+      pip install --upgrade cython~=0.29.36
 
 * You can select the FFmpeg libraries to be used by defining values for CONFIG_XXX.
   For example, CONFIG_AVFILTER=0 will disable inclusion of the FFmpeg avfilter libraries.

pyproject.toml

@@ -1,4 +1,4 @@
 [build-system]
 requires = [
-    "setuptools", "wheel", "cython",
+    "setuptools", "wheel", "cython~=0.29.36",
 ]

setup.py

@@ -376,7 +376,7 @@ def get_wheel_data():
 
 setup_requires = []
 if declare_cython:
-    setup_requires.append('cython')
+    setup_requires.append('cython~=0.29.36')
 
 setup(name='ffpyplayer',
       version=ffpyplayer.__version__,