How to bundle cupy code to .exe by using pyinstaller

Question

I'm trying to bundle a ".py" file which contains simple cupy code to ".exe" by pyinstaller, but fail to open the ".exe" file.

Target Code:

import cupy as cp

a = cp.ones(3)
b = cp.ones(3) * 7

print(a+b)

I tried to revise hiddenimports in ".spec" like:

 hiddenimports=[
    'C:\\Users\\Kevin\\miniconda3\\envs\\cupy_conda\\Lib\\site-packages\\cupy_backends\\cuda\\cuda\\cudnn.py',
    'cupy',
    'cupy_backends.cuda.api._runtime_enum',
    'cupy_backends.cuda.stream',
    'cupy_backends.cuda._softlink', #
    'cupy._core._carray',
    'fastrlock',
    'fastrlock.rlock',
    'cupy_backends.cuda.api._driver_enum',
    'cupy._core._ufuncs',
    'cupy._core._cub_reduction',
    'cupy._core._routines_sorting',
    'flags'
    ],

and bundle again.

(cupy_conda) PS C:\Users\Kevin\Downloads\plot> pyinstaller main.spec

Use cmd to execute the ".exe" file .

However, cmd output pyinstaller importerror: cannot import name flags again.

Do I use the wrong way to bundle cupy code? Or how to fix it?

Answer 1

Try 'cupy._core.flags' instead of 'flags'.