pip安裝請求[security] NameError：名稱'python_implementation'未定義

我在運行時遇到問題pip install requests[security]==2.10.0。pip安裝請求[security] NameError：名稱'python_implementation'未定義

我在virtualenv上運行bento/debian-7.8與Python 2.7.3。

以下是錯誤：

Collecting cryptography>=1.9 (from pyOpenSSL>=0.13->requests[security]==2.10.0->-r requirements.txt (line 22)) 
Exception: 
Traceback (most recent call last): 
    File "/vagrant/Devel/chalktalk-legacy/chalktalk/env/local/lib/python2.7/site-packages/pip/basecommand.py", line 211, in main 
    status = self.run(options, args) 
    File "/vagrant/Devel/chalktalk-legacy/chalktalk/env/local/lib/python2.7/site-packages/pip/commands/install.py", line 305, in run 
    wb.build(autobuilding=True) 
    File "/vagrant/Devel/chalktalk-legacy/chalktalk/env/local/lib/python2.7/site-packages/pip/wheel.py", line 705, in build 
    self.requirement_set.prepare_files(self.finder) 
    File "/vagrant/Devel/chalktalk-legacy/chalktalk/env/local/lib/python2.7/site-packages/pip/req/req_set.py", line 334, in prepare_files 
    functools.partial(self._prepare_file, finder)) 
    File "/vagrant/Devel/chalktalk-legacy/chalktalk/env/local/lib/python2.7/site-packages/pip/req/req_set.py", line 321, in _walk_req_to_install 
    more_reqs = handler(req_to_install) 
    File "/vagrant/Devel/chalktalk-legacy/chalktalk/env/local/lib/python2.7/site-packages/pip/req/req_set.py", line 561, in _prepare_file 
    set(req_to_install.extras) - set(dist.extras) 
    File "/vagrant/Devel/chalktalk-legacy/chalktalk/env/local/lib/python2.7/site-packages/pip/_vendor/pkg_resources/__init__.py", line 2774, in extras 
    return [dep for dep in self._dep_map if dep] 
    File "/vagrant/Devel/chalktalk-legacy/chalktalk/env/local/lib/python2.7/site-packages/pip/_vendor/pkg_resources/__init__.py", line 2797, in _dep_map 
    self.__dep_map = self._compute_dependencies() 
    File "/vagrant/Devel/chalktalk-legacy/chalktalk/env/local/lib/python2.7/site-packages/pip/_vendor/pkg_resources/__init__.py", line 2830, in _compute_dependencies 
    common = frozenset(reqs_for_extra(None)) 
    File "/vagrant/Devel/chalktalk-legacy/chalktalk/env/local/lib/python2.7/site-packages/pip/_vendor/pkg_resources/__init__.py", line 2827, in reqs_for_extra 
    if req.marker_fn(override={'extra':extra}): 
    File "/vagrant/Devel/chalktalk-legacy/chalktalk/env/local/lib/python2.7/site-packages/pip/_vendor/_markerlib/markers.py", line 113, in marker_fn 
    return eval(compiled_marker, environment) 
    File "<environment marker>", line 1, in <module> 
NameError: name 'python_implementation' is not defined

來源

2017-10-11 nmusleh

你有什麼版本的點子嗎？如果它不是最新版本（9.0.1），請升級並重試。 – jwodder

它似乎不是pip版本。 pip --version == 9.0.1。 – nmusleh

的問題很可能是由於你的virtualenv中內的過時的版本PIP引起。嘗試使用以下命令將其升級：

pip install --upgrade pip

來源

2017-10-11 19:19:52

你也應該升級'setuptools'（Python 2.7.3真的很舊）。 –

這個問題似乎並不是pip版本。這直到最近纔開始工作。不知道爲什麼。 – nmusleh

更新setuptools沒有幫助。 – nmusleh

pip安裝請求[security] NameError：名稱'python_implementation'未定義

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