PyInstaller with Pandas creates over 500 MB exe

Question

I try to create an exe file using PyInstaller 3.2.1, for test purpose I tried to make an exe for following code:

import pandas as pd
print(\'hello world\')
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Answer 1

You need pure python environment, No Anaconda.

Because, it has too many useless packages. Install new python environment on another PC with as few package as possible!

Then try to use pyinstaller again. With this method, pyinstaller reduced the file from 200M to 8M.

PS: If you lack of some packages, you can pip install ...