Error when installing matplotlib-1.3. on Windows

MRAB python at mrabarnett.plus.com
Mon Mar 17 02:55:39 CET 2014


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.



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