--requirements : what works, and doesnt.

[Robert Flatt]

I tried building all the user recipes (one by one) in https://github.com/kivy/python-for-android/tree/master/pythonforandroid/recipes

I used python3, and the latest p4a (details in link below).

Then I checked to see if an APK was build and if there was anything additional inside the APK.

The results were disappointing, specially as there are silent fails.

https://github.com/kivy/python-for-android/issues/1514#issuecomment-455937713 

I cross-post here for those of you that try to use '--requirements' and need a sanity check.

Note: p4a changes frequently, there is probably already one item in that post which is obsolete. ;)

[Robert Flatt]

Getting better. Results of my attempt to build all (?) the recipes follow.

Using python-for-android 'master'  installed 2/2/2019

--requirements=<recipe>,python3,kivy
--arch=armeabi-v7a
--ndk_version 17c
--android_api 28
--ndk-api 21

If anybody knows how to build any of the failed recipes please let me know. More details on build dependencies and fails:

https://github.com/kivy/python-for-android/issues/1514#issuecomment-460482283

Recipes looking good:

`['Pillow', 'android', 'apsw', 'atom', 'audiostream', 'babel', 'boost', 'cffi', 'coverage', 'cryptography', 'cymunk', 'dateutil', 'decorator', 'doubleratchet', 'enum34', 'ffmpeg', 'ffpyplayer_codecs', 'freetype', 'gevent', 'gevent-websocket', 'greenlet', 'harfbuzz', 'idna', 'ifaddrs', 'ipaddress', 'jedi', 'jpeg', 'leveldb', 'libcurl', 'libexpat', 'libffi', 'libiconv', 'libnacl', 'libogg', 'libpq', 'libsecp256k1', 'libshine', 'libsodium', 'libtorrent', 'libx264', 'libxml2', 'libxslt', 'lxml', 'msgpack-python', 'netifaces', 'numpy', 'openal', 'opencv', 'openssl', 'pbkdf2', 'png', 'preppy', 'protobuf_cpp', 'pyaml', 'pyasn1', 'pycparser', 'pycrypto', 'pyjnius', 'pymunk', 'pynacl', 'pyogg', 'pyopenal', 'pyopenssl', 'pysdl2', 'pysha3', 'pytz', 'pyusb', 'pyyaml', 'reportlab', 'requests', 'scrypt', 'sdl2', 'sdl2_image', 'sdl2_mixer', 'sdl2_ttf', 'secp256k1', 'simple-crypt', 'six', 'snappy', 'spine', 'sqlite3', 'vispy', 'websocket-client', 'wsaccel', 'zeroconf']`

Recipes with no APK created:

`['cdecimal', 'cherrypy', 'enaml', 'ethash', 'evdev', 'feedparser', 'ffpyplayer', 'flask', 'fontconfig', 'groestlcoin_hash', 'icu', 'kivent_core', 'kivent_cymunk', 'kivent_particles', 'kivent_polygen', 'kivykiwisolver', 'libgeos', 'libglob', 'libmysqlclient', 'libtribler', 'libvorbis', 'libzbar', 'libzmq', 'm2crypto', 'mysqldb', 'omemo', 'omemo-backend-signal', 'pil', 'psycopg2', 'pycryptodome', 'pyethereum', 'pyicu', 'pyleveldb', 'pyproj', 'pyrxp', 'pyzmq', 'regex', 'ruamel.yaml', 'shapely', 'sqlalchemy', 'storm', 'sympy', 'twisted', 'ujson', 'vlc', 'x3dh', 'xeddsa', 'zbar', 'zope', 'zope_interface']`

[Javier Alejandro Velasco Zapata]

PIL doesn't work because it's not Python 3 compatible, only Python 2. I had problems with OpenCV in Python 3, maybe it´s my installation.

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Javier Alejandro Velasco
Estudiante de Ing. de Sistemas y Computación e Ing. Electrónica.

[Elliot Garbus]

PIL has been replaced with Pillow

To view this discussion on the web visit https://groups.google.com/d/msgid/kivy-users/CAOUgswB83CWZ9tbKgBqsiDNNZw%2BjgG6rMXAPfpOptFY0rhQhWA%40mail.gmail.com.

[Robert Flatt]

I think OpenCV was broken, but is recently fixed, though there is a rumor today of a run time problem, so don't rush in.....

In the .apk I get the following when --requirements=opencv,...:

   assets/_python_bundle/site-packages/jnius_config.pyc
   assets/_python_bundle/site-packages/numpy/*
   assets/_python_bundle/site-packages/setup.pyc
   assets/_python_bundle/site-packages/six.pyc
   lib/armeabi-v7a/libhidapi.so
   assets/_python_bundle/modules/_sysconfigdata_m_linux_.pyc