Error when installing matplotlib-1.3. on Windows

Andrew Williams laguna-mc at mail.com
Mon Mar 17 12:29:10 CET 2014


Note that I have Portable Python, installed on USB flash drive. When I tried run matplotlib installer, I got error:'Cannot install': "Python version 2.7 required, which was not found in the registry" 

----- Original Message -----
From: MRAB
Sent: 03/17/14 03:55 AM
To: python-list at python.org
Subject: Re: Error when installing matplotlib-1.3. on Windows

On 2014-03-17 01:20, laguna-mc at mail.com wrote: > I'm trying to install matplotlib from locally stored source archive file > (Portable Python 2.7 on Windows): > > pip install E:\matplotlib-1.3.1.win32-py2.7.exe > > Got error, below is log: > > > E:\Portable Python 2.7.5.1\App\Scripts\pip run on 03/17/14 03:10:16 > Exception: > Traceback (most recent call last): > File "E:\Portable Python > 2.7.5.1\App\lib\site-packages\pip\basecommand.py", line 122, in main > status = self.run(options, args) > File "E:\Portable Python > 2.7.5.1\App\lib\site-packages\pip\commands\install.py", line 257, in run > InstallRequirement.from_line(name, None)) > File "E:\Portable Python 2.7.5.1\App\lib\site-packages\pip\req.py", > line 172, in from_line > return cls(req, comes_from, url=url, prereleases=prereleases) > File "E:\Portable Python 2.7.5.1\App\lib\site-packages\pip\req.py", > line 70, in __init__ > req = pkg_resources.Requirement.parse(req) > File "E:\Portable Python > 2.7.5.1\App\lib\site-packages\pip\_vendor\pkg_resources.py", line 2606, > in parse > reqs = list(parse_requirements(s)) > File "E:\Portable Python > 2.7.5.1\App\lib\site-packages\pip\_vendor\pkg_resources.py", line 2544, > in parse_requirements > line, p, specs = scan_list(VERSION,LINE_END,line,p,(1,2),"version > spec") > File "E:\Portable Python > 2.7.5.1\App\lib\site-packages\pip\_vendor\pkg_resources.py", line 2512, > in scan_list > raise ValueError("Expected "+item_name+" in",line,"at",line[p:]) > ValueError: ('Expected version spec in', > 'E:\\matplotlib-1.3.1.win32-py2.7.exe', 'at', > ':\\matplotlib-1.3.1.win32-py2.7.exe') > > > What is the problem and how to solve it? > Judging by the name, I'd say that "matplotlib-1.3.1.win32-py2.7.exe" is an installer, so you just need to run it. -- https://mail.python.org/mailman/listinfo/python-list
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