How to install p4python on Cygwin64

Question

Trying to install p4python on Cygwin fails with

$pip install p4python

[... logs ...]

        File "/tmp/pip-install-6mn3hyn3/p4python_9e95a104710b449a90a68bc227a2ee69/setup.py", line 292, in run
          raise Exception("Parameter --ssl is needed")
      Exception: Parameter --ssl is needed
      [end of output]

  note: This error originates from a subprocess, and is likely not a problem with pip.
error: legacy-install-failure

× Encountered error while trying to install package.
╰─> p4python

note: This is an issue with the package mentioned above, not pip.
hint: See above for output from the failure.

I am using Cygwin64 on Windows 10, specifically:

$ pip --version
pip 22.3 from /usr/local/lib/python3.9/site-packages/pip (python 3.9)

$ python --version
Python 3.9.10

$ which python
/usr/bin/python

I tried using the wheel files from PyPi but there is no compatible platform for Cygwin.

How can I work around this ssl dependency to install the module?

I have included libssl while installing Cygwin.

I am aware of the questions:stackoverflow.com/questions/59372106/… and stackoverflow.com/questions/54687847/…. Similar approaches do not seem to work in this case. — Zois Tasoulas
– Zois Tasoulas, Commented Oct 21, 2022 at 23:53
pip cannot find a pre-built wheel so it tries to install from sources. Compiling from sources requires P4API and OpenSSL. setup.py calls openssl version so you have to have openssl in the $PATH. — phd
– phd, Commented Oct 22, 2022 at 0:48
@phd Thank you for your answer. I think I have these, $ openssl version OpenSSL 1.1.1q 5 Jul 2022, $ which openssl /usr/bin/openssl, $ echo $PATH /usr/local/bin:/usr/bin:<other paths> — Zois Tasoulas
– Zois Tasoulas, Commented Oct 22, 2022 at 0:59

Aavesh · Accepted Answer · 2022-10-21 23:53:56Z

-2

Try

python -m pip install p4python

answered Oct 21, 2022 at 23:53

Aavesh

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1 Comment

Zois Tasoulas Over a year ago

This does not work. If I use the system's Python it does, but with Python that comes with Cygwin it doesn't.

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