[英]Cannot install using pip
我正在尝试使用python 3.6.3安装matplotlib,但是我一直都在获取此异常。 我也尝试过使用whl文件来手动进行操作,但是结果相同。 我正在使用此链接来获得:
https://www.lfd.uci.edu/~gohlke/pythonlibs/#setuptools
还尝试了Anaconda以及python 2.7、3.4和3.5,但仍然无法解决该问题。
Exception:
Traceback (most recent call last):
File "C:\Users\Marcin\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip\basecommand.py", line 215, in main
status = self.run(options, args)
File "C:\Users\Marcin\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip\commands\install.py", line 324, in run
requirement_set.prepare_files(finder)
File "C:\Users\Marcin\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip\req\req_set.py", line 380, in prepare_files
ignore_dependencies=self.ignore_dependencies))
File "C:\Users\Marcin\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip\req\req_set.py", line 554, in _prepare_file
require_hashes
File "C:\Users\Marcin\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip\req\req_install.py", line 278, in populate_link
self.link = finder.find_requirement(self, upgrade)
File "C:\Users\Marcin\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip\index.py", line 465, in find_requirement
all_candidates = self.find_all_candidates(req.name)
File "C:\Users\Marcin\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip\index.py", line 423, in find_all_candidates
for page in self._get_pages(url_locations, project_name):
File "C:\Users\Marcin\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip\index.py", line 568, in _get_pages
page = self._get_page(location)
File "C:\Users\Marcin\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip\index.py", line 683, in _get_page
return HTMLPage.get_page(link, session=self.session)
File "C:\Users\Marcin\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip\index.py", line 792, in get_page
"Cache-Control": "max-age=600",
File "C:\Users\Marcin\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip\_vendor\requests\sessions.py", line 488, in get
return self.request('GET', url, **kwargs)
File "C:\Users\Marcin\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip\download.py", line 386, in request
return super(PipSession, self).request(method, url, *args, **kwargs)
File "C:\Users\Marcin\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip\_vendor\requests\sessions.py", line 475, in request
resp = self.send(prep, **send_kwargs)
File "C:\Users\Marcin\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip\_vendor\requests\sessions.py", line 596, in send
r = adapter.send(request, **kwargs)
File "C:\Users\Marcin\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip\_vendor\cachecontrol\adapter.py", line 47, in send
resp = super(CacheControlAdapter, self).send(request, **kw)
File "C:\Users\Marcin\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip\_vendor\requests\adapters.py", line 423, in send
timeout=timeout
File "C:\Users\Marcin\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip\_vendor\requests\packages\urllib3\connectionpool.py", line 589, in urlopen
self._prepare_proxy(conn)
File "C:\Users\Marcin\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip\_vendor\requests\packages\urllib3\connectionpool.py", line 797, in _prepare_proxy
conn.connect()
File "C:\Users\Marcin\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip\_vendor\requests\packages\urllib3\connection.py", line 254, in connect
conn = self._new_conn()
File "C:\Users\Marcin\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip\_vendor\requests\packages\urllib3\connection.py", line 142, in _new_conn
(self.host, self.port), self.timeout, **extra_kw)
File "C:\Users\Marcin\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip\_vendor\requests\packages\urllib3\util\connection.py", line 66, in create_connection
if host.startswith('['):
AttributeError: 'NoneType' object has no attribute 'startswith'
尝试升级点
pip install --upgrade pip
如果不在PATH变量中,则可能必须使用完整路径来pip,如下所示:
C:\Users\Marcin\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip install --upgrade pip
编辑:在网上搜索并找到一些重复项(没有解决方案)后,在我看来,这可能与python安装路径有关。 如: 重复1和重复2 。
是否有原因未将其安装在默认的C:\\ Python36-32文件夹中? 您可能想以推荐的方式下载并安装适用于python的Windows msi安装程序,然后查看可以从何处获得帮助。
解:
在OP发表评论后,似乎将Python移至C:\\路径(最好使用python.org的 windows .msi进行全新安装可以解决此问题。
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