The fierce battle with OpenCV and Buildozer, I really need help

[dnobze...@gmail.com]

Good day. Which day I've been trying to build an .APK file from python3, kivy and OpenCV. Finally, when the assembly was already over, I got an error:
 
  File "/usr/local/lib/python3.6/dist-packages/sh.py", line 3226, in __getitem__     raise CommandNotFound (k) sh.CommandNotFound: cmakeapi = 28

Attach buildozer.spec + full log(pastebin or txt file)

https://pastebin.com/uAjrFMwd (log with error)

Python 3.6.7
kivy 1.10.1
OpenCV 4.0.1

ndk = 15b
sdk = 28
api = 28

Please tell me what to do.

[INFO]: Building opencv for armeabi-v7a
[INFO]: -> running mkdir -p /home/max/desktop/ass...(and 104 more)
[INFO]: -> directory context /home/max/desktop/asshole/.buildozer/android/platform/build/build/other_builds/opencv/armeabi-v7a__ndk_target_21/opencv/build
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/max/desktop/python-for-android-master/pythonforandroid/toolchain.py", line 1081, in <module>
 main()
 File "/home/max/desktop/python-for-android-master/pythonforandroid/toolchain.py", line 1075, in main
 ToolchainCL()
 File "/home/max/desktop/python-for-android-master/pythonforandroid/toolchain.py", line 577, in __init__
 getattr(self, args.subparser_name.replace('-', '_'))(args)
 File "/home/max/desktop/python-for-android-master/pythonforandroid/toolchain.py", line 151, in wrapper_func
 build_dist_from_args(ctx, dist, args)
 File "/home/max/desktop/python-for-android-master/pythonforandroid/toolchain.py", line 200, in build_dist_from_args
 build_recipes(build_order, python_modules, ctx)
 File "/home/max/desktop/python-for-android-master/pythonforandroid/build.py", line 562, in build_recipes
 recipe.build_arch(arch)
 File "/home/max/desktop/python-for-android-master/pythonforandroid/recipes/opencv/__init__.py", line 66, in build_arch
 shprint(sh.cmake,
 File "/usr/local/lib/python3.6/dist-packages/sh.py", line 3349, in __getattr__
 return self.__env[name]
 File "/usr/local/lib/python3.6/dist-packages/sh.py", line 3226, in __getitem__
 raise CommandNotFound(k)
sh.CommandNotFound: cmake
# Command failed: /usr/bin/python3 -m pythonforandroid.toolchain create --dist_name=camcamcamcam --bootstrap=sdl2 --requirements=python3,kivy,numpy,opencv==master --arch armeabi-v7a --copy-libs --color=always --storage-dir="/home/max/desktop/asshole/.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

[Robert Flatt]

sh.CommandNotFound: cmake

Is cmake installed?  

Your friend Google will help understand how to do this on your OS.

[Максим Шепард]

HI!

I installed cmake and everything went smoothly until a new bug came out at the very end of the build. I believe that it is due to the outdated version of Python 3.6.7. I installed the latest version of Python 3.7.3, tell me what to do to make these commands run on 3.7.3

Compiling '/home/max/desktop/asshole/.buildozer/android/app/venv/lib64/python3.6/site-packages/pip-10.0.1-py3.6.egg/pip/_vendor/webencodings/x_user_defined.py'...
WARNING: Received a --sdk argument, but this argument is deprecated and does nothing.
No compiled python is present to zip, skipping.
Error while running "/home/max/desktop/asshole/.buildozer/android/platform/build/build/other_builds/hostpython3/desktop/hostpython3/native-build/python -OO -m compileall -b -f /home/max/desktop/asshole/.buildozer/android/app"
This probably means one of your Python files has a syntax error, see logs above


Attached a log with an error in txt

пятница, 29 марта 2019 г., 6:29:00 UTC+5 пользователь Robert Flatt написал:

[Robert Flatt]

No idea

This probably means one of your Python files has a syntax error, see logs above

I cant see an error "above" Is this the full log file ?

Does the app run (under Python) on your desktop?

I don't think the issue is the Python minor version, because p4a (inside Buildozer) downloads its own copy of Python, so it knows it has the version it is happy with.

[Максим Шепард]

I corrected the error. In pycharm, I created a new project with the python 3.7 interpreter, clicked checkbox to inherit libraries, and moved the .py and buildozer.spec file to a new project. APK assembled without errors.

[Robert Flatt]

Excellent work :)

[elhossiny ibrahim]

[void biov]

Install cmake. At least that's what I saw in the errors. 

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