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Can't Cythonize pyjnius: TypeError: can't pickle Argument objects #850

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nametoolong opened this issue Mar 9, 2019 · 2 comments
Closed

Can't Cythonize pyjnius: TypeError: can't pickle Argument objects #850

nametoolong opened this issue Mar 9, 2019 · 2 comments
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@nametoolong
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Versions

  • Python: 3.6.7
  • OS: KDE Neon latest (Ubuntu 18.04) amd64
  • Buildozer: 0.39

Description

buildozer android debug weirdly fails at Cythonize jnius/jnius.pyx.

buildozer.spec

Command:

buildozer -v android debug

Spec file: the default spec file just created by buildozer init.

Logs

("nonexistent" is my user name. Maybe I am to blame for that.)

# Check configuration tokens
# Ensure build layout
# Check configuration tokens
# Read available permissions from api-versions.xml
# Preparing build
# Check requirements for android
# Run 'dpkg --version'
# Cwd None
# Search for Git (git)
#  -> found at /usr/bin/git
# Search for Cython (cython)
#  -> found at /usr/local/bin/cython
# Search for Java compiler (javac)
#  -> found at /usr/lib/jvm/java-8-openjdk-amd64/bin/javac
# Search for Java keytool (keytool)
#  -> found at /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/keytool
# Install platform
# Run '/usr/bin/python3 -m pip install -q --user \'appdirs\' \'colorama>=0.3.3\' \'jinja2\' \'six\' \'enum34; python_version<"3.4"\' \'sh>=1.10; sys_platform!="nt"\''
# Cwd None
# Apache ANT found at /home/nonexistent/.buildozer/android/platform/apache-ant-1.9.4
# Android SDK found at /home/nonexistent/.buildozer/android/platform/android-sdk
# Android NDK found at /home/nonexistent/.buildozer/android/platform/android-ndk-r17c
# Read available permissions from api-versions.xml
# Check application requirements
# Check garden requirements
# Compile platform
# Run '/usr/bin/python3 -m pythonforandroid.toolchain create --dist_name=myapp --bootstrap=sdl2 --requirements=python3,kivy --arch armeabi-v7a --copy-libs --color=always --storage-dir="/home/nonexistent/project/.buildozer/android/platform/build" --ndk-api=21'
# Cwd /home/nonexistent/project/.buildozer/android/platform/python-for-android
[INFO]:    Will compile for the following archs: armeabi-v7a
[INFO]:    Found Android API target in $ANDROIDAPI: 27
[INFO]:    Available Android APIs are (27)
[INFO]:    Requested API target 27 is available, continuing.
[INFO]:    Found NDK dir in $ANDROIDNDK: /home/nonexistent/.buildozer/android/platform/android-ndk-r17c
[INFO]:    Found NDK revision 17.2.4988734
[INFO]:    Getting NDK API version (i.e. minimum supported API) from user argument
[INFO]:    Found virtualenv at /usr/local/bin/virtualenv
[INFO]:    Found the following toolchain versions: ['4.9']
[INFO]:    Picking the latest gcc toolchain, here 4.9
[INFO]:    No existing dists meet the given requirements!
[INFO]:    No dist exists that meets your requirements, so one will be built.
[INFO]:    Found a single valid recipe set: ['hostpython3', 'libffi', 'openssl', 'sdl2_image', 'sdl2_mixer', 'sdl2_ttf', 'sqlite3', 'python3', 'sdl2', 'six', 'pyjnius', 'android', 'kivy']
[INFO]:    The selected bootstrap is sdl2
[INFO]:    # Creating dist with sdl2 bootstrap
[INFO]:    Dist will have name myapp and requirements (python3, kivy)
[INFO]:    Dist contains the following requirements as recipes: ['hostpython3', 'libffi', 'openssl', 'sdl2_image', 'sdl2_mixer', 'sdl2_ttf', 'sqlite3', 'python3', 'sdl2', 'six', 'pyjnius', 'android', 'kivy']
[INFO]:    Dist will also contain modules () installed from pip
[INFO]:    -> directory context /home/nonexistent/project/.buildozer/android/platform/build/build/bootstrap_builds/sdl2-python3
[INFO]:    <- directory context /home/nonexistent/project/.buildozer/android/platform/python-for-android
[INFO]:    Recipe build order is ['hostpython3', 'libffi', 'openssl', 'sdl2_image', 'sdl2_mixer', 'sdl2_ttf', 'sqlite3', 'python3', 'sdl2', 'six', 'pyjnius', 'android', 'kivy']
[INFO]:    # Downloading recipes 
[INFO]:    Downloading hostpython3
[INFO]:    -> running mkdir -p /home/nonexistent/project/.buildozer/android/platform/build/packages/hostpython3
[INFO]:    -> directory context /home/nonexistent/project/.buildozer/android/platform/build/packages/hostpython3
[INFO]:    -> running basename https://www.python.org/ftp/python/3.7.1/Python-3.7.1.tgz
[INFO]:    hostpython3 download already cached, skipping                                                                                                                          
[INFO]:    <- directory context /home/nonexistent/project/.buildozer/android/platform/python-for-android
[INFO]:    Downloading libffi
[INFO]:    -> running mkdir -p /home/nonexistent/project/.buildozer/android/platform/build/packages/libffi
[INFO]:    -> directory context /home/nonexistent/project/.buildozer/android/platform/build/packages/libffi
[INFO]:    -> running basename https://github.com/libffi/libffi/archive/v3.2.1.tar.gz
[INFO]:    libffi download already cached, skipping                                                                                                                               
[INFO]:    <- directory context /home/nonexistent/project/.buildozer/android/platform/python-for-android
[INFO]:    Downloading openssl
[INFO]:    -> running mkdir -p /home/nonexistent/project/.buildozer/android/platform/build/packages/openssl
[INFO]:    -> directory context /home/nonexistent/project/.buildozer/android/platform/build/packages/openssl
[INFO]:    -> running basename https://www.openssl.org/source/openssl-1.1.1.tar.gz
[INFO]:    openssl download already cached, skipping                                                                                                                              
[INFO]:    <- directory context /home/nonexistent/project/.buildozer/android/platform/python-for-android
[INFO]:    Downloading sdl2_image
[INFO]:    -> running mkdir -p /home/nonexistent/project/.buildozer/android/platform/build/packages/sdl2_image
[INFO]:    -> directory context /home/nonexistent/project/.buildozer/android/platform/build/packages/sdl2_image
[INFO]:    -> running basename https://www.libsdl.org/projects/SDL_image/release/SDL2_image-2.0.4.tar.gz
[INFO]:    sdl2_image download already cached, skipping                                                                                                                           
[INFO]:    <- directory context /home/nonexistent/project/.buildozer/android/platform/python-for-android
[INFO]:    Downloading sdl2_mixer
[INFO]:    -> running mkdir -p /home/nonexistent/project/.buildozer/android/platform/build/packages/sdl2_mixer
[INFO]:    -> directory context /home/nonexistent/project/.buildozer/android/platform/build/packages/sdl2_mixer
[INFO]:    -> running basename https://www.libsdl.org/projects/SDL_mixer/release/SDL2_mixer-2.0.1.tar.gz
[INFO]:    sdl2_mixer download already cached, skipping                                                                                                                           
[INFO]:    <- directory context /home/nonexistent/project/.buildozer/android/platform/python-for-android
[INFO]:    Downloading sdl2_ttf
[INFO]:    -> running mkdir -p /home/nonexistent/project/.buildozer/android/platform/build/packages/sdl2_ttf
[INFO]:    -> directory context /home/nonexistent/project/.buildozer/android/platform/build/packages/sdl2_ttf
[INFO]:    -> running basename https://www.libsdl.org/projects/SDL_ttf/release/SDL2_ttf-2.0.14.tar.gz
[INFO]:    sdl2_ttf download already cached, skipping                                                                                                                             
[INFO]:    <- directory context /home/nonexistent/project/.buildozer/android/platform/python-for-android
[INFO]:    Downloading sqlite3
[INFO]:    -> running mkdir -p /home/nonexistent/project/.buildozer/android/platform/build/packages/sqlite3
[INFO]:    -> directory context /home/nonexistent/project/.buildozer/android/platform/build/packages/sqlite3
[INFO]:    -> running basename https://www.sqlite.org/2016/sqlite-amalgamation-3150100.zip
[INFO]:    sqlite3 download already cached, skipping                                                                                                                              
[INFO]:    <- directory context /home/nonexistent/project/.buildozer/android/platform/python-for-android
[INFO]:    Downloading python3
[INFO]:    -> running mkdir -p /home/nonexistent/project/.buildozer/android/platform/build/packages/python3
[INFO]:    -> directory context /home/nonexistent/project/.buildozer/android/platform/build/packages/python3
[INFO]:    -> running basename https://www.python.org/ftp/python/3.7.1/Python-3.7.1.tgz
[INFO]:    python3 download already cached, skipping                                                                                                                              
[INFO]:    <- directory context /home/nonexistent/project/.buildozer/android/platform/python-for-android
[INFO]:    Downloading sdl2
[INFO]:    -> running mkdir -p /home/nonexistent/project/.buildozer/android/platform/build/packages/sdl2
[INFO]:    -> directory context /home/nonexistent/project/.buildozer/android/platform/build/packages/sdl2
[INFO]:    -> running basename https://www.libsdl.org/release/SDL2-2.0.9.tar.gz
[INFO]:    sdl2 download already cached, skipping                                                                                                                                 
[INFO]:    <- directory context /home/nonexistent/project/.buildozer/android/platform/python-for-android
[INFO]:    Downloading six
[INFO]:    -> running mkdir -p /home/nonexistent/project/.buildozer/android/platform/build/packages/six
[INFO]:    -> directory context /home/nonexistent/project/.buildozer/android/platform/build/packages/six
[INFO]:    -> running basename https://pypi.python.org/packages/source/s/six/six-1.9.0.tar.gz
[INFO]:    six download already cached, skipping                                                                                                                                  
[INFO]:    <- directory context /home/nonexistent/project/.buildozer/android/platform/python-for-android
[INFO]:    Downloading pyjnius
[INFO]:    -> running mkdir -p /home/nonexistent/project/.buildozer/android/platform/build/packages/pyjnius
[INFO]:    -> directory context /home/nonexistent/project/.buildozer/android/platform/build/packages/pyjnius
[INFO]:    -> running basename https://github.com/kivy/pyjnius/archive/6553ad4.zip
[INFO]:    pyjnius download already cached, skipping                                                                                                                              
[INFO]:    <- directory context /home/nonexistent/project/.buildozer/android/platform/python-for-android
[INFO]:    Downloading android
[INFO]:    Skipping android download as no URL is set
[INFO]:    Downloading kivy
[INFO]:    -> running mkdir -p /home/nonexistent/project/.buildozer/android/platform/build/packages/kivy
[INFO]:    -> directory context /home/nonexistent/project/.buildozer/android/platform/build/packages/kivy
[INFO]:    -> running basename https://github.com/kivy/kivy/archive/a95d67f.zip
[INFO]:    kivy download already cached, skipping                                                                                                                                 
[INFO]:    <- directory context /home/nonexistent/project/.buildozer/android/platform/python-for-android
[INFO]:    # Building all recipes for arch armeabi-v7a
[INFO]:    # Unpacking recipes
[INFO]:    Unpacking hostpython3 for armeabi-v7a
[INFO]:    -> running basename https://www.python.org/ftp/python/3.7.1/Python-3.7.1.tgz
[INFO]:    -> directory context /home/nonexistent/project/.buildozer/android/platform/build/build/other_builds/hostpython3/desktop                                                
[INFO]:    hostpython3 is already unpacked, skipping
[INFO]:    <- directory context /home/nonexistent/project/.buildozer/android/platform/python-for-android
[INFO]:    Unpacking libffi for armeabi-v7a
[INFO]:    -> running basename https://github.com/libffi/libffi/archive/v3.2.1.tar.gz
[INFO]:    -> directory context /home/nonexistent/project/.buildozer/android/platform/build/build/other_builds/libffi/armeabi-v7a__ndk_target_21                                  
[INFO]:    libffi is already unpacked, skipping
[INFO]:    <- directory context /home/nonexistent/project/.buildozer/android/platform/python-for-android
[INFO]:    Unpacking openssl for armeabi-v7a
[INFO]:    -> running basename https://www.openssl.org/source/openssl-1.1.1.tar.gz
[INFO]:    -> directory context /home/nonexistent/project/.buildozer/android/platform/build/build/other_builds/openssl/armeabi-v7a__ndk_target_21                                 
[INFO]:    openssl is already unpacked, skipping
[INFO]:    <- directory context /home/nonexistent/project/.buildozer/android/platform/python-for-android
[INFO]:    Unpacking sdl2_image for armeabi-v7a
[INFO]:    -> running basename https://www.libsdl.org/projects/SDL_image/release/SDL2_image-2.0.4.tar.gz
[INFO]:    -> directory context /home/nonexistent/project/.buildozer/android/platform/build/build/bootstrap_builds/sdl2-python3/jni                                               
[INFO]:    sdl2_image is already unpacked, skipping
[INFO]:    <- directory context /home/nonexistent/project/.buildozer/android/platform/python-for-android
[INFO]:    Unpacking sdl2_mixer for armeabi-v7a
[INFO]:    -> running basename https://www.libsdl.org/projects/SDL_mixer/release/SDL2_mixer-2.0.1.tar.gz
[INFO]:    -> directory context /home/nonexistent/project/.buildozer/android/platform/build/build/bootstrap_builds/sdl2-python3/jni                                               
[INFO]:    sdl2_mixer is already unpacked, skipping
[INFO]:    <- directory context /home/nonexistent/project/.buildozer/android/platform/python-for-android
[INFO]:    Unpacking sdl2_ttf for armeabi-v7a
[INFO]:    -> running basename https://www.libsdl.org/projects/SDL_ttf/release/SDL2_ttf-2.0.14.tar.gz
[INFO]:    -> directory context /home/nonexistent/project/.buildozer/android/platform/build/build/bootstrap_builds/sdl2-python3/jni                                               
[INFO]:    sdl2_ttf is already unpacked, skipping
[INFO]:    <- directory context /home/nonexistent/project/.buildozer/android/platform/python-for-android
[INFO]:    Unpacking sqlite3 for armeabi-v7a
[INFO]:    -> running basename https://www.sqlite.org/2016/sqlite-amalgamation-3150100.zip
[INFO]:    -> directory context /home/nonexistent/project/.buildozer/android/platform/build/build/other_builds/sqlite3/armeabi-v7a__ndk_target_21                                 
[INFO]:    sqlite3 is already unpacked, skipping
[INFO]:    <- directory context /home/nonexistent/project/.buildozer/android/platform/python-for-android
[INFO]:    Unpacking python3 for armeabi-v7a
[INFO]:    -> running basename https://www.python.org/ftp/python/3.7.1/Python-3.7.1.tgz
[INFO]:    -> directory context /home/nonexistent/project/.buildozer/android/platform/build/build/other_builds/python3-libffi-openssl-sqlite3/armeabi-v7a__ndk_target_21          
[INFO]:    python3 is already unpacked, skipping
[INFO]:    <- directory context /home/nonexistent/project/.buildozer/android/platform/python-for-android
[INFO]:    Unpacking sdl2 for armeabi-v7a
[INFO]:    -> running basename https://www.libsdl.org/release/SDL2-2.0.9.tar.gz
[INFO]:    -> directory context /home/nonexistent/project/.buildozer/android/platform/build/build/bootstrap_builds/sdl2-python3/jni                                               
[INFO]:    sdl2 is already unpacked, skipping
[INFO]:    <- directory context /home/nonexistent/project/.buildozer/android/platform/python-for-android
[INFO]:    Unpacking six for armeabi-v7a
[INFO]:    -> running basename https://pypi.python.org/packages/source/s/six/six-1.9.0.tar.gz
[INFO]:    -> directory context /home/nonexistent/project/.buildozer/android/platform/build/build/other_builds/six-python3/armeabi-v7a__ndk_target_21                             
[INFO]:    six is already unpacked, skipping
[INFO]:    <- directory context /home/nonexistent/project/.buildozer/android/platform/python-for-android
[INFO]:    Unpacking pyjnius for armeabi-v7a
[INFO]:    -> running basename https://github.com/kivy/pyjnius/archive/6553ad4.zip
[INFO]:    -> directory context /home/nonexistent/project/.buildozer/android/platform/build/build/other_builds/pyjnius-python3-sdl2/armeabi-v7a__ndk_target_21                    
[INFO]:    pyjnius is already unpacked, skipping
[INFO]:    <- directory context /home/nonexistent/project/.buildozer/android/platform/python-for-android
[INFO]:    -> running rm -rf /home/nonexistent/project/.buildozer/android/platform/build/build/other_builds/android-python3-sdl2/armeabi-v7a__ndk_target_21/android
[INFO]:    -> running cp -a /home/nonexistent/project/.buildozer/android/platform/python-for-android/pythonforandroid/recipes/android/src /home/nonexis...(and 121 more)
[INFO]:    Unpacking kivy for armeabi-v7a
[INFO]:    -> running basename https://github.com/kivy/kivy/archive/a95d67f.zip
[INFO]:    -> directory context /home/nonexistent/project/.buildozer/android/platform/build/build/other_builds/kivy-python3-sdl2/armeabi-v7a__ndk_target_21                       
[INFO]:    kivy is already unpacked, skipping
[INFO]:    <- directory context /home/nonexistent/project/.buildozer/android/platform/python-for-android
[INFO]:    # Prebuilding recipes
[INFO]:    Prebuilding hostpython3 for armeabi-v7a
[INFO]:    hostpython3 has no prebuild_armeabi_v7a, skipping
[INFO]:    Prebuilding libffi for armeabi-v7a
[INFO]:    libffi has no prebuild_armeabi_v7a, skipping
[INFO]:    Applying patches for libffi[armeabi-v7a]
[INFO]:    libffi already patched, skipping
[INFO]:    Prebuilding openssl for armeabi-v7a
[INFO]:    openssl has no prebuild_armeabi_v7a, skipping
[INFO]:    Prebuilding sdl2_image for armeabi-v7a
[INFO]:    sdl2_image has no prebuild_armeabi_v7a, skipping
[INFO]:    Applying patches for sdl2_image[armeabi-v7a]
[INFO]:    sdl2_image already patched, skipping
[INFO]:    Prebuilding sdl2_mixer for armeabi-v7a
[INFO]:    sdl2_mixer has no prebuild_armeabi_v7a, skipping
[INFO]:    Applying patches for sdl2_mixer[armeabi-v7a]
[INFO]:    sdl2_mixer already patched, skipping
[INFO]:    Prebuilding sdl2_ttf for armeabi-v7a
[INFO]:    sdl2_ttf has no prebuild_armeabi_v7a, skipping
[INFO]:    Prebuilding sqlite3 for armeabi-v7a
[INFO]:    sqlite3 has no prebuild_armeabi_v7a, skipping
[INFO]:    Prebuilding python3 for armeabi-v7a
[INFO]:    python3 has no prebuild_armeabi_v7a, skipping
[INFO]:    Applying patches for python3[armeabi-v7a]
[INFO]:    python3 already patched, skipping
[INFO]:    Prebuilding sdl2 for armeabi-v7a
[INFO]:    sdl2 has no prebuild_armeabi_v7a, skipping
[INFO]:    Prebuilding six for armeabi-v7a
[INFO]:    six has no prebuild_armeabi_v7a, skipping
[INFO]:    Prebuilding pyjnius for armeabi-v7a
[INFO]:    pyjnius has no prebuild_armeabi_v7a, skipping
[INFO]:    Applying patches for pyjnius[armeabi-v7a]
[INFO]:    pyjnius already patched, skipping
[INFO]:    Prebuilding android for armeabi-v7a
[INFO]:    android has no prebuild_armeabi_v7a, skipping
[INFO]:    -> directory context /home/nonexistent/project/.buildozer/android/platform/build/build/other_builds/android-python3-sdl2/armeabi-v7a__ndk_target_21/android
[INFO]:    <- directory context /home/nonexistent/project/.buildozer/android/platform/python-for-android
[INFO]:    Prebuilding kivy for armeabi-v7a
[INFO]:    kivy has no prebuild_armeabi_v7a, skipping
[INFO]:    # Building recipes
[INFO]:    Building hostpython3 for armeabi-v7a
[INFO]:    Skipping hostpython3 (3.7.1) build, as it has already been completed
[INFO]:    Building libffi for armeabi-v7a
[INFO]:    libffi said it is already built, skipping
[INFO]:    Building openssl for armeabi-v7a
[INFO]:    openssl said it is already built, skipping
[INFO]:    Building sdl2_image for armeabi-v7a
[INFO]:    Building sdl2_mixer for armeabi-v7a
[INFO]:    Building sdl2_ttf for armeabi-v7a
[INFO]:    Building sqlite3 for armeabi-v7a
[INFO]:    sqlite3 said it is already built, skipping
[INFO]:    Building python3 for armeabi-v7a
[INFO]:    -> directory context /home/nonexistent/project/.buildozer/android/platform/build/build/other_builds/python3-libffi-openssl-sqlite3/armeabi-v7a__ndk_target_21/python3/android-build                                                                                                                                                                        
[WARNING]: Doing some hacky stuff to link properly
[INFO]:    -> running cp /home/nonexistent/.buildozer/android/platform/android-ndk-r17c/platforms/android-21/arch-arm/usr/lib/crtbegin_so.o ./
[INFO]:    -> running cp /home/nonexistent/.buildozer/android/platform/android-ndk-r17c/platforms/android-21/arch-arm/usr/lib/crtend_so.o ./
[INFO]:    Activating flags for sqlite3
[INFO]:    Activating flags for libffi
[INFO]:    Activating flags for openssl
[INFO]:    <- directory context /home/nonexistent/project/.buildozer/android/platform/python-for-android
[INFO]:    Building sdl2 for armeabi-v7a
[INFO]:    -> directory context /home/nonexistent/project/.buildozer/android/platform/build/build/bootstrap_builds/sdl2-python3/jni
[INFO]:    -> running ndk-build V=1
[INFO]:    <- directory context /home/nonexistent/project/.buildozer/android/platform/python-for-android                                                                          
[INFO]:    Building six for armeabi-v7a
[INFO]:    Python package already exists in site-packages
[INFO]:    six said it is already built, skipping
[INFO]:    Building pyjnius for armeabi-v7a
[INFO]:    jnius apparently isn't already in site-packages
[INFO]:    Cythonizing anything necessary in pyjnius
[INFO]:    -> directory context /home/nonexistent/project/.buildozer/android/platform/build/build/other_builds/pyjnius-python3-sdl2/armeabi-v7a__ndk_target_21/pyjnius
[INFO]:    -> running python -c import sys; print(sys.path)
[INFO]:    Trying first build of pyjnius to get cython files: this is expected to fail                                                                                            
[INFO]:    -> running python setup.py build_ext -v
cwd is /home/nonexistent/project/.buildozer/android/platform/build/build/other_builds/pyjnius-python3-sdl2/armeabi-v7a__ndk_target_21/pyjnius
Exception in thread background thread for pid 20267:                                                                                                                              
Traceback (most recent call last):
  File "/usr/lib/python3.6/threading.py", line 916, in _bootstrap_inner
    self.run()
  File "/usr/lib/python3.6/threading.py", line 864, in run
    self._target(*self._args, **self._kwargs)
  File "/home/nonexistent/.local/lib/python3.6/site-packages/sh.py", line 1540, in wrap
    fn(*args, **kwargs)
  File "/home/nonexistent/.local/lib/python3.6/site-packages/sh.py", line 2459, in background_thread
    handle_exit_code(exit_code)
  File "/home/nonexistent/.local/lib/python3.6/site-packages/sh.py", line 2157, in fn
    return self.command.handle_command_exit_code(exit_code)
  File "/home/nonexistent/.local/lib/python3.6/site-packages/sh.py", line 815, in handle_command_exit_code
    raise exc
sh.ErrorReturnCode_1: 

  RAN: /home/nonexistent/project/.buildozer/android/platform/build/build/other_builds/hostpython3/desktop/hostpython3/native-build/python setup.py build_ext -v

  STDOUT:
/home/nonexistent/project/.buildozer/android/platform/build/build/other_builds/hostpython3/desktop/hostpython3/Lib/distutils/dist.py:274: UserWarning: Unknown distribution option: 'install_requires'
  warnings.warn(msg)
running build_ext
building 'jnius' extension
/usr/bin/ccache arm-linux-androideabi-gcc -DANDROID -fomit-frame-pointer -D__ANDROID_API__=21 -mandroid -isystem /home/nonexistent/.buildozer/android/platform/android-ndk-r17c/sysroot/usr/include/arm-linux-androideabi -I/home/nonexistent/.buildozer/android/platform/android-ndk-r17c/sysroot/usr/include/arm-linux-androideabi -isysroot /home/nonexistent/.buildozer/android/platform/android-ndk-r17c/sysroot -I/home/nonexistent/project/.buildozer/android/platform/build/build/python-installs/myapp/include/python3.7 -DNDEBUG -g -fwrapv -O3 -Wall -DANDROID -fomit-frame-pointer -D__ANDROID_API__=21 -mandroid -isystem /home/nonexistent/.buildozer/android/platform/android-ndk-r17c/sysroot/usr/include/arm-linux-androideabi -I/home/nonexistent/.buildozer/android/platform/android-ndk-r17c/sysroot/usr/include/arm-linux-androideabi -isysroot /home/nonexistent/.buildozer/android/platform/android-ndk-r17c/sysroot -I/home/nonexistent/project/.buildozer/android/platform/build/build/python-installs/myapp/include/python3.7 -march=armv7-a -mfloat-abi=softfp -mfpu=vfp -mthumb -I/home/nonexistent/project/.buildozer/android/platform/build/build/other_builds/python3-libffi-openssl-sqlite3/armeabi-v7a__ndk_target_21/python3/Include -fPIC -I/home/nonexistent/project/.buildozer/android/platform/build/build/other_builds/hostpython3/desktop/hostpython3/Include -I/home/nonexistent/project/.buildozer/android/platform/build/build/other_builds/hostpython3/desktop/hostpython3/native-build -c jnius/jnius.c -o build/temp.linux-x86_64-3.7/jnius/jnius.o
arm-linux-androideabi-gcc: error: jnius/jnius.c: No such file or directory
arm-linux-androideabi-gcc: fatal error: no input files
compilation terminated.
error: command '/usr/bin/ccache' failed with exit status 1


  STDERR:


[INFO]:    pyjnius first build failed (as expected)
[INFO]:    Running cython where appropriate
[INFO]:    Cythonize jnius/jnius.pyx
[INFO]:    -> running cython ./jnius/jnius.pyx

Exception in thread background thread for pid 20274:                                                                                                                              
Traceback (most recent call last):
  File "/usr/lib/python3.6/threading.py", line 916, in _bootstrap_inner
    self.run()
  File "/usr/lib/python3.6/threading.py", line 864, in run
    self._target(*self._args, **self._kwargs)
  File "/home/nonexistent/.local/lib/python3.6/site-packages/sh.py", line 1540, in wrap
    fn(*args, **kwargs)
  File "/home/nonexistent/.local/lib/python3.6/site-packages/sh.py", line 2459, in background_thread
    handle_exit_code(exit_code)
  File "/home/nonexistent/.local/lib/python3.6/site-packages/sh.py", line 2157, in fn
    return self.command.handle_command_exit_code(exit_code)
  File "/home/nonexistent/.local/lib/python3.6/site-packages/sh.py", line 815, in handle_command_exit_code
    raise exc
sh.ErrorReturnCode_1: 

  RAN: /usr/local/bin/cython ./jnius/jnius.pyx

  STDOUT:
Traceback (most recent call last):
  File "/usr/local/bin/cython", line 11, in <module>
    load_entry_point('Cython==0.21', 'console_scripts', 'cython')()
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/Main.py", line 632, in setuptools_main
    return main(command_line = 1)
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/Main.py", line 649, in main
    result = compile(sources, options)
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/Main.py", line 624, in compile
    return compile_multiple(source, options)
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/Main.py", line 602, in compile_multiple
    result = run_pipeline(source, options, context=context)
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/Main.py", line 439, in run_pipeline
    err, enddata = Pipeline.run_pipeline(pipeline, source)
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/Pipeline.py", line 328, in run_pipeline
    data = phase(data)
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/Pipeline.py", line 54, in generate_pyx_code_stage
    module_node.process_implementation(options, result)
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/ModuleNode.py", line 111, in process_implementation
    self.generate_c_code(env, options, result)
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/ModuleNode.py", line 328, in generate_c_code
    self.body.generate_function_definitions(env, code)
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/Nodes.py", line 398, in generate_function_definitions
    stat.generate_function_definitions(env, code)
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/Nodes.py", line 398, in generate_function_definitions
    stat.generate_function_definitions(env, code)
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/Nodes.py", line 1859, in generate_function_definitions
    self.generate_function_body(env, code)
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/Nodes.py", line 1628, in generate_function_body
    self.body.generate_execution_code(code)
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/Nodes.py", line 404, in generate_execution_code
    stat.generate_execution_code(code)
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/Nodes.py", line 6610, in generate_execution_code
    fresh_finally_clause().generate_execution_code(code)
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/Nodes.py", line 6598, in fresh_finally_clause
    node_copy = copy.deepcopy(node)
  File "/usr/lib/python3.6/copy.py", line 180, in deepcopy
    y = _reconstruct(x, memo, *rv)
  File "/usr/lib/python3.6/copy.py", line 280, in _reconstruct
    state = deepcopy(state, memo)
  File "/usr/lib/python3.6/copy.py", line 150, in deepcopy
    y = copier(x, memo)
  File "/usr/lib/python3.6/copy.py", line 240, in _deepcopy_dict
    y[deepcopy(key, memo)] = deepcopy(value, memo)
  File "/usr/lib/python3.6/copy.py", line 150, in deepcopy
    y = copier(x, memo)
  File "/usr/lib/python3.6/copy.py", line 215, in _deepcopy_list
    append(deepcopy(a, memo))
  File "/usr/lib/python3.6/copy.py", line 180, in deepcopy
    y = _reconstruct(x, memo, *rv)
  File "/usr/lib/python3.6/copy.py", line 280, in _reconstruct
    state = deepcopy(state, memo)
  File "/usr/lib/python3.6/copy.py", line 150, in deepcopy
    y = copier(x, memo)
  File "/usr/lib/python3.6/copy.py", line 240, in _deepcopy_dict
    y[deepcopy(key, memo)] = deepcopy(value, memo)
  File "/usr/lib/python3.6/copy.py", line 180, in deepcopy
    y = _reconstruct(x, memo, *rv)
  File "/usr/lib/python3.6/copy.py", line 280, in _reconstruct
    state = deepcopy(state, memo)
  File "/usr/lib/python3.6/copy.py", line 150, in deepcopy
    y = copier(x, memo)
  File "/usr/lib/python3.6/copy.py", line 240, in _deepcopy_dict
    y[deepcopy(key, memo)] = deepcopy(value, memo)
  File "/usr/lib/python3.6/copy.py", line 180, in deepcopy
    y = _reconstruct(x, memo, *rv)
  File "/usr/lib/python3.6/copy.py", line 280, in _reconstruct
    state = deepcopy(state, memo)
  File "/usr/lib/python3.6/copy.py", line 150, in deepcopy
    y = copier(x, memo)
  File "/usr/lib/python3.6/copy.py", line 240, in _deepcopy_dict
    y[deepcopy(key, memo)] = deepcopy(value, memo)
  File "/usr/lib/python3.6/copy.py", line 180, in deepcopy
    y = _reconstruct(x, memo, *rv)
  File "/usr/lib/python3.6/copy.py", line 280, in _reconstruct
    state = deepcopy(state, memo)
  File "/usr/lib/python3.6/copy.py", line 150, in deepcopy
    y = copier(x, memo)
  File "/usr/lib/python3.6/copy.py", line 240, in _deepcopy_dict
    y[deepcopy(key, memo)] = deepcopy(value, memo)
  File "/usr/lib/python3.6/copy.py", line 180, in deepcopy
    y = _reconstruct(x, memo, *rv)
  File "/usr/lib/python3.6/copy.py", line 280, in _reconstruct
    state = deepcopy(state, memo)
  File "/usr/lib/python3.6/copy.py", line 150, in deepcopy
    y = copier(x, memo)
  File "/usr/lib/python3.6/copy.py", line 240, in _deepcopy_dict
    y[deepcopy(key, memo)] = deepcopy(value, memo)
  File "/usr/lib/python3.6/copy.py", line 180, in deepcopy
    y = _reconstruct(x, memo, *rv)
  File "/usr/lib/python3.6/copy.py", line 297, in _reconstruct
    item = deepcopy(item, memo)
  File "/usr/lib/python3.6/copy.py", line 169, in deepcopy
    rv = reductor(4)
TypeError: can't pickle Argument objects


  STDERR:


Traceback (most recent call last):
  File "/usr/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/usr/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/home/nonexistent/project/.buildozer/android/platform/python-for-android/pythonforandroid/toolchain.py", line 1081, in <module>
    main()
  File "/home/nonexistent/project/.buildozer/android/platform/python-for-android/pythonforandroid/toolchain.py", line 1075, in main
    ToolchainCL()
  File "/home/nonexistent/project/.buildozer/android/platform/python-for-android/pythonforandroid/toolchain.py", line 577, in __init__
    getattr(self, args.subparser_name.replace('-', '_'))(args)
  File "/home/nonexistent/project/.buildozer/android/platform/python-for-android/pythonforandroid/toolchain.py", line 151, in wrapper_func
    build_dist_from_args(ctx, dist, args)
  File "/home/nonexistent/project/.buildozer/android/platform/python-for-android/pythonforandroid/toolchain.py", line 200, in build_dist_from_args
    build_recipes(build_order, python_modules, ctx)
  File "/home/nonexistent/project/.buildozer/android/platform/python-for-android/pythonforandroid/build.py", line 562, in build_recipes
    recipe.build_arch(arch)
  File "/home/nonexistent/project/.buildozer/android/platform/python-for-android/pythonforandroid/recipe.py", line 982, in build_arch
    self.build_cython_components(arch)
  File "/home/nonexistent/project/.buildozer/android/platform/python-for-android/pythonforandroid/recipe.py", line 1007, in build_cython_components
    self.cythonize_build(env=env)
  File "/home/nonexistent/project/.buildozer/android/platform/python-for-android/pythonforandroid/recipe.py", line 1057, in cythonize_build
    self.cythonize_file(env, build_dir, join(root, filename))
  File "/home/nonexistent/project/.buildozer/android/platform/python-for-android/pythonforandroid/recipe.py", line 1048, in cythonize_file
    shprint(cython_command, filename, *self.cython_args, _env=cyenv)
  File "/home/nonexistent/project/.buildozer/android/platform/python-for-android/pythonforandroid/logger.py", line 178, in shprint
    for line in output:
  File "/home/nonexistent/.local/lib/python3.6/site-packages/sh.py", line 863, in next
    self.wait()
  File "/home/nonexistent/.local/lib/python3.6/site-packages/sh.py", line 792, in wait
    self.handle_command_exit_code(exit_code)
  File "/home/nonexistent/.local/lib/python3.6/site-packages/sh.py", line 815, in handle_command_exit_code
    raise exc
sh.ErrorReturnCode_1: 

  RAN: /usr/local/bin/cython ./jnius/jnius.pyx

  STDOUT:
Traceback (most recent call last):
  File "/usr/local/bin/cython", line 11, in <module>
    load_entry_point('Cython==0.21', 'console_scripts', 'cython')()
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/Main.py", line 632, in setuptools_main
    return main(command_line = 1)
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/Main.py", line 649, in main
    result = compile(sources, options)
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/Main.py", line 624, in compile
    return compile_multiple(source, options)
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/Main.py", line 602, in compile_multiple
    result = run_pipeline(source, options, context=context)
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/Main.py", line 439, in run_pipeline
    err, enddata = Pipeline.run_pipeline(pipeline, source)
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/Pipeline.py", line 328, in run_pipeline
    data = phase(data)
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/Pipeline.py", line 54, in generate_pyx_code_stage
    module_node.process_implementation(options, result)
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/ModuleNode.py", line 111, in process_implementation
    self.generate_c_code(env, options, result)
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/ModuleNode.py", line 328, in generate_c_code
    self.body.generate_function_definitions(env, code)
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/Nodes.py", line 398, in generate_function_definitions
    stat.generate_function_definitions(env, code)
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/Nodes.py", line 398, in generate_function_definitions
    stat.generate_function_definitions(env, code)
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/Nodes.py", line 1859, in generate_function_definitions
    self.generate_function_body(env, code)
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/Nodes.py", line 1628, in generate_function_body
    self.body.generate_execution_code(code)
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/Nodes.py", line 404, in generate_execution_code
    stat.generate_execution_code(code)
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/Nodes.py", line 6610, in generate_execution_code
    fresh_finally_clause().generate_execution_code(code)
  File "/usr/local/lib/python3.6/dist-packages/Cython/Compiler/Nodes.py", line 6598, in fresh_finally_clause
    node_copy = copy.deepcopy(node)
  File "/usr/lib/python3.6/copy.py", line 180, in deepcopy
    y = _reconstruct(x, memo, *rv)
  File "/usr/lib/python3.6/copy.py", line 280, in _reconstruct
    state = deepcopy(state, memo)
  File "/usr/lib/python3.6/copy.py", line 150, in deepcopy
    y = copier(x, memo)
  File "/usr/lib/python3.6/copy.py", line 240, in _deepcopy_dict
    y[deepcopy(key, memo)] = deepcopy(value, memo)
  File "/usr/lib/python3.6/copy.py", line 150, in deepcopy
    y = copier(x, memo)
  File "/usr/lib/python3.6/copy.py", line 215, in _deepcopy_list
    append(deepcopy(a, memo))
  File "/usr/lib/python3.6/copy.py", line 180, in deepcopy
    y = _reconstruct(x, memo, *rv)
  File "/usr/lib/python3.6/copy.py", line 280, in _reconstruct
    state = deepcopy(state, memo)
  File "/usr/lib/python3.6/copy.py", line 150, in deepcopy
    y = copier(x, memo)
  File "/usr/lib/python3.6/copy.py", line 240, in _deepcopy_dict
    y[deepcopy(key, memo)] = deepcopy(value, memo)
  File "/usr/lib/python3.6/copy.py", line 180, in deepcopy
    y = _reconstruct(x, memo, *rv)
  File "/usr/lib/python3.6/copy.py", line 280, in _reconstruct
    state = deepcopy(state, memo)
  File "/usr/lib/python3.6/copy.py", line 150, in deepcopy
    y = copier(x, memo)
  File "/usr/lib/python3.6/copy.py", line 240, in _deepcopy_dict
    y[deepcopy(key, memo)] = deepcopy(value, memo)
  File "/usr/lib/python3.6/copy.py", line 180, in deepcopy
    y = _reconstruct(x, memo, *rv)
  File "/usr/lib/python3.6/copy.py", line 280, in _reconstruct
    state = deepcopy(state, memo)
  File "/usr/lib/python3.6/copy.py", line 150, in deepcopy
    y = copier(x, memo)
  File "/usr/lib/python3.6/copy.py", line 240, in _deepcopy_dict
    y[deepcopy(key, memo)] = deepcopy(value, memo)
  File "/usr/lib/python3.6/copy.py", line 180, in deepcopy
    y = _reconstruct(x, memo, *rv)
  File "/usr/lib/python3.6/copy.py", line 280, in _reconstruct
    state = deepcopy(state, memo)
  File "/usr/lib/python3.6/copy.py", line 150, in deepcopy
    y = copier(x, memo)
  File "/usr/lib/python3.6/copy.py", line 240, in _deepcopy_dict
    y[deepcopy(key, memo)] = deepcopy(value, memo)
  File "/usr/lib/python3.6/copy.py", line 180, in deepcopy
    y = _reconstruct(x, memo, *rv)
  File "/usr/lib/python3.6/copy.py", line 280, in _reconstruct
    state = deepcopy(state, memo)
  File "/usr/lib/python3.6/copy.py", line 150, in deepcopy
    y = copier(x, memo)
  File "/usr/lib/python3.6/copy.py", line 240, in _deepcopy_dict
    y[deepcopy(key, memo)] = deepcopy(value, memo)
  File "/usr/lib/python3.6/copy.py", line 180, in deepcopy
    y = _reconstruct(x, memo, *rv)
  File "/usr/lib/python3.6/copy.py", line 297, in _reconstruct
    item = deepcopy(item, memo)
  File "/usr/lib/python3.6/copy.py", line 169, in deepcopy
    rv = reductor(4)
TypeError: can't pickle Argument objects


  STDERR:

# Command failed: /usr/bin/python3 -m pythonforandroid.toolchain create --dist_name=myapp --bootstrap=sdl2 --requirements=python3,kivy --arch armeabi-v7a --copy-libs --color=always --storage-dir="/home/nonexistent/project/.buildozer/android/platform/build" --ndk-api=21
# 
# Buildozer failed to execute the last command
# The error might be hidden in the log above this error
# Please read the full log, and search for it before
# raising an issue with buildozer itself.
# In case of a bug report, please add a full log with log_level = 2
@nametoolong
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It works with a Cython built from the latest source. In the documentation there is

sudo pip install --upgrade cython==0.21

It may need an update to use cython==0.29.

@AndreMiras
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Thanks for the bug report and the follow up.
Actually the documentation is up to date on the tree https://github.com/kivy/buildozer/blob/9229135/docs/source/installation.rst but it somehow didn't get published on readthedocs see #819
Let's keep this issue open until #819 is addressed.
By the way,, I would recommend you to use Cython 0.28 rather than 0.29, I saw compile time errors in the past with 0.29

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@AndreMiras @nametoolong