in virtualenv, pip installing locally from source fails

Question

I am trying to install a library in a virtualenv instance with pip. The library version I want (wxPython 3.0.2) is not available on PyPi; it is only available for download from SourceForge. Thus, I have the source tarball downloaded on my machine and I am trying to install it in such a way that it will play nicely with virtualenv.

(I am on a Windows computer, running Python 2.7.)

I have tried the following:

doing a direct install: pip install wxPython-src-3.0.2.0.tar.bz2
extracting the files from the tarball to wxPython-src-3.0.2.0, then installing from the extracted directory: pip install wxPython-src-3.0.2.0
extracting the files from the tarball, then navigating into the extracted folder to the nested wxPython directory, which holds the setup.py file, and then installing from there: pip install wxPython

The last attempt seems the most promising, but I get the following traceback:

Processing \wxpython-src-3.0.2.0\wxpython
    Complete output from command python setup.py egg_info:
    Setuptools must be installed to build an egg

    ----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in c:\users\__MY_USERNAME__\appdata\local\temp\pip-req-build-q0pxlt\

This is also strange, because it suggests I don't have setuptools even though I can run pip list and see version 40.6.3 installed.

Any help appreciated.

phd · Accepted Answer · 2019-01-12 14:29:31Z

2

Why not install a precompiled version? There are a lot of .exe files at SF. You probably need wxPython3.0-win64-3.0.2.0-py27.exe.

Also take a look at Christoph Gohlke's collection.

If you still insist on installing from sources please bear in mind that wxPython 3 is so old it predates pip. Forget about pip.

First, you need to install wxWidgets as wxPython is just a Python wrapper for wxWidgets C++ library. Extract wxPython-src-3.0.2.0.tar.bz2 and follow instructions in wxPython-src-3.0.2.0/docs/msw/install.txt.

After compiling and installing wxWidgets compile wxPython. See wxPython-src-3.0.2.0/wxPython/docs/BUILD.txt.

edited Jan 12, 2019 at 14:29

answered Jan 12, 2019 at 1:51

phd

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CrepeGoat · Accepted Answer · 2019-01-15 18:22:19Z

0

My eventual solution was the easy way out: installing my package (wxPython) locally as @phd suggested, and opting for local package access via either virtualenv --system-site-packages env or deleting the "no-global-site-packages.txt" file in an existing environment folder.

Not what I expected to do, but it works so no complaints.

answered Jan 15, 2019 at 18:22

CrepeGoat

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