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Shrink WinPhyton installation? Extract site-packages from .zip only on demand? · Issue #1425 · winpython/winpython · GitHub
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Shrink WinPhyton installation? Extract site-packages from .zip only on demand? #1425

Description

@pstein

I installed recently to full WInPython v3.12.4 on my Windows 10 system.

As I noticed this installation requires huge 4,85 GB (!) disk space.
Ok, I still have 90 GB free on my 1 TB SSD. But I would feel better if it would be smaller.
Python is by far my biggest space consuming software on my disk/SSD.
I am thinking about how users can reduce disk space for WinPython.

Since I am not a heavy Python user but uses it only occasionally and only some packages I can think of the following mechanism:

All "site-packages" remain zipped until there are really imported in a Python script.
Only if a Python script runs which executes an import this (and only this !) package is extracted from *.zip archive.

Is this somehow possible?

Activity

  1. stonebig commented on Oct 24, 2024

    @stonebig
    Contributor

    Question has been raised on Pip per another person, in may 2023: pypa/pip#12022

  2. stonebig commented on Oct 24, 2024

    @stonebig
    Contributor

    You can uninstall packages, and compat a "reduce version" of WinPython.
    Intermediate size of Winpython have never been so popular.

    The trend of ever-bigger distro comes from:

    • more package with nice functionalities
    • each pack gets bigger over time
    • Cpython-3.12 in particular didn't care about the size of their generated package
    • difficulty to abandon heavy packages: Qt5, Torch

    Your other alternative is to :

    • rely on a small WinPythonDot (that would still grow a bit when "JIT" will be included) + trusted package source (to come)
    • count on cpython taking the size matter challenge, but it's not in their paid priorities yet
  3. pstein commented on Oct 26, 2024

    @pstein
    Author

    As far as I understand the *.pyc files resp. pycache folder contains pre-compiled *.py lib files.
    What happens if I deleted them all?
    Are they - only if they are accessed by *.py scripts - automatically re-compiled and real-time created again?

    And what about the other invers side:
    Are the *.py source files in "Lib" folder only for compilation?
    So if all *.pyc files remain I could delete all the *.py stuff in "Lib" (sub)folders..
    Does that harm the running of my user *.py scripts?

  4. stonebig commented on May 9, 2025

    @stonebig
    Contributor

    for now, you have the solution to get a small winpython "dot", and get whatever you want in the requirements with hash after

    see https://github.com/winpython/winpython/releases/tag/15.3.20250425final

    you will just miss pandoc.exe

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