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To: python-list@python.org
From: Terry Reedy <tjreedy@udel.edu>
Subject: Re: Issues pip-installing pywin32
Date: Wed, 18 Feb 2015 14:01:30 -0500
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On 2/18/2015 7:13 AM, Chris Angelico wrote:
> (Before I begin, I want to make it clear that I can still go poke
> around on SourceForge and grab the appropriate installer [1], and that
> does work. But if I'm going to tell someone else how to set up this
> program, I'd much rather be able to recommend pip.)
>
> On a fresh Python 3.4 running on Windows 7, attempting to "pip install
> pywin32" doesn't work:
>
> C:\Users\Rosuav>pip install pywin32
> Downloading/unpacking pywin32
>    Could not find any downloads that satisfy the requirement pywin32
>    Some externally hosted files were ignored (use --allow-external
> pywin32 to allow).
> Cleaning up...
> No distributions at all found for pywin32
> Storing debug log for failure in C:\Users\Rosuav\pip\pip.log
>
> C:\Users\Rosuav>pip install --allow-external pywin32
> You must give at least one requirement to install (see "pip help install")
>
>
> Okay, so the obvious command doesn't work, and gives a
> not-particularly-helpful error message, but I know how to Google, I
> can get past this.
>
>
> C:\Users\Rosuav>pip install --allow-external pywin32
> --allow-unverified pywin32 pywin32
> Downloading/unpacking pywin32
>    Could not find any downloads that satisfy the requirement pywin32
> Cleaning up...
> No distributions at all found for pywin32
> Storing debug log for failure in C:\Users\Rosuav\pip\pip.log
>
>
> Huh. The PyPI categorization seems to exclude Python 3.4 support

I have pip-installed 3.4 packages just fine.

> (despite versions for both 3.4 and 3.5 existing on the sourceforge
> page). Let's try that with 2.7, just to see what happens. (I could
> alternatively backlevel to 3.3, I suppose.)
>
> C:\Users\Rosuav>\python27\python -m pip --version
> pip 1.5.6 from C:\python27\lib\site-packages (python 2.7)
>
> C:\Users\Rosuav>\python27\python -m pip install --allow-external
> pywin32 --allow-unverified pywin32 pywin32
> Downloading/unpacking pywin32
>    Could not find any downloads that satisfy the requirement pywin32
> Cleaning up...
> No distributions at all found for pywin32
> Storing debug log for failure in C:\Users\Rosuav\pip\pip.log
>
>
> The log contains these lines, which may be a clue as to what's going on...
>
>    Could not fetch URL
> https://sourceforge.net/projects/pywin32/files/pywin32/ (from
> https://pypi.python.org/simple/pywin32/): connection error: hostname
> 'sourceforge.net' doesn't match either of 'cloudfront.net',
> '*.cloudfront.net'
>    Will skip URL
> https://sourceforge.net/projects/pywin32/files/pywin32/ when looking
> for download links for pywin32
>    Could not find any downloads that satisfy the requirement pywin32
>
> Does this mean there's an HTTPS configuration error at sourceforge?
> And if that is indeed the problem, is there any way that I, as an end
> user, can bypass the check? My alternative is using a non-SSL link, so
> it's not like I'd actually have worse security.
>
> At this point, I am REALLY glad my Dad asked me to set this all up for
> him, rather than just giving him some instructions and saying "go for
> it". (And to think, all I want is a simple program to bounce some info
> out from a Windows VM onto the Linux host. So much hassle for
> something so simple.)
>
> [1] http://sourceforge.net/projects/pywin32/files/pywin32/

I would send your experience to Mark Hammond to let him know that 
pythonwin does not seem to be pip-installable.

-- 
Terry Jan Reedy