python - 使用pip时“SSLError: The read operation timed out”

Question

每当我尝试使用pip安装某些东西时，都会出现以下错误:

Downloading/unpacking Django>=1.5.1,<1.6 (from -r requirements.txt (line 1))
  Downloading Django-1.5.4.tar.gz (8.1MB): 8.0MB downloaded
Cleaning up...
Exception:
Traceback (most recent call last):
  File "/vagrant/venv/local/lib/python2.7/site-packages/pip/basecommand.py", line 134, in main
    status = self.run(options, args)
  File "/vagrant/venv/local/lib/python2.7/site-packages/pip/commands/install.py", line 236, in run
    requirement_set.prepare_files(finder, force_root_egg_info=self.bundle, bundle=self.bundle)
  File "/vagrant/venv/local/lib/python2.7/site-packages/pip/req.py", line 1092, in prepare_files
    self.unpack_url(url, location, self.is_download)
  File "/vagrant/venv/local/lib/python2.7/site-packages/pip/req.py", line 1238, in unpack_url
    retval = unpack_http_url(link, location, self.download_cache, self.download_dir)
  File "/vagrant/venv/local/lib/python2.7/site-packages/pip/download.py", line 622, in unpack_http_url
    download_hash = _download_url(resp, link, temp_location)
  File "/vagrant/venv/local/lib/python2.7/site-packages/pip/download.py", line 495, in _download_url
    chunk = resp.read(4096)
  File "/usr/lib/python2.7/socket.py", line 380, in read
    data = self._sock.recv(left)
  File "/usr/lib/python2.7/httplib.py", line 561, in read
    s = self.fp.read(amt)
  File "/usr/lib/python2.7/socket.py", line 380, in read
    data = self._sock.recv(left)
  File "/usr/lib/python2.7/ssl.py", line 241, in recv
    return self.read(buflen)
  File "/usr/lib/python2.7/ssl.py", line 160, in read
    return self._sslobj.read(len)
SSLError: The read operation timed out

Storing complete log in /home/vagrant/.pip/pip.log

这曾经不时发生在我身上，但是现在我什么也无法安装。我尝试添加 --timeout=600，但是它在相同的时间内失败(达到8.0M后几秒钟)。
关于如何解决这个问题的任何想法？

Answer 1

试试(注意--default):

pip --default-timeout=100 install django

如果仍然无法使用，则可以手动下载 django1.5.4并执行以下操作:

https://docs.djangoproject.com/en/dev/topics/install/#installing-an-official-release-manually

类似的问题:

pip search django produces time out error，
pip install django timeout on MacOSX Lion