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@python.org
Subject: Re: Error when installing matplotlib-1.3. on Windows
On 2014-03-17 01:20, laguna...@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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