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Retry downloads that fail on ECONNRESET

See original GitHub issue

An issue that’s observed pretty frequently is downloads dying with a traceback like this:

Collecting virtualenv
  Downloading virtualenv-12.0.7-py2.py3-none-any.whl (1.8MB)
    45% |##############                  | 819kB 12.8MB/s eta 0:00:01  Exception:
  Traceback (most recent call last):
    File "/usr/local/lib/python2.7/dist-packages/pip-6.0.7-py2.7.egg/pip/basecommand.py", line 232, in main
      status = self.run(options, args)
    File "/usr/local/lib/python2.7/dist-packages/pip-6.0.7-py2.7.egg/pip/commands/install.py", line 339, in run
      requirement_set.prepare_files(finder)
    File "/usr/local/lib/python2.7/dist-packages/pip-6.0.7-py2.7.egg/pip/req/req_set.py", line 355, in prepare_files
      do_download, session=self.session,
    File "/usr/local/lib/python2.7/dist-packages/pip-6.0.7-py2.7.egg/pip/download.py", line 782, in unpack_url
      session,
    File "/usr/local/lib/python2.7/dist-packages/pip-6.0.7-py2.7.egg/pip/download.py", line 667, in unpack_http_url
      from_path, content_type = _download_http_url(link, session, temp_dir)
    File "/usr/local/lib/python2.7/dist-packages/pip-6.0.7-py2.7.egg/pip/download.py", line 843, in _download_http_url
      _download_url(resp, link, content_file)
    File "/usr/local/lib/python2.7/dist-packages/pip-6.0.7-py2.7.egg/pip/download.py", line 615, in _download_url
      for chunk in progress_indicator(resp_read(4096), 4096):
    File "/usr/local/lib/python2.7/dist-packages/pip-6.0.7-py2.7.egg/pip/utils/ui.py", line 46, in iter
      for x in it:
    File "/usr/local/lib/python2.7/dist-packages/pip-6.0.7-py2.7.egg/pip/download.py", line 580, in resp_read
      decode_content=False):
    File "/usr/local/lib/python2.7/dist-packages/pip-6.0.7-py2.7.egg/pip/_vendor/requests/packages/urllib3/response.py", line 256, in stream
      data = self.read(amt=amt, decode_content=decode_content)
    File "/usr/local/lib/python2.7/dist-packages/pip-6.0.7-py2.7.egg/pip/_vendor/requests/packages/urllib3/response.py", line 186, in read
      data = self._fp.read(amt)
    File "/usr/local/lib/python2.7/dist-packages/pip-6.0.7-py2.7.egg/pip/_vendor/cachecontrol/filewrapper.py", line 49, in read
      data = self.__fp.read(amt)
    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)
  error: [Errno 104] Connection reset by peer

It’d be great if we could retry these.

Issue Analytics

State:
Created 9 years ago
Reactions:1
Comments:7 (6 by maintainers)

Top GitHub Comments

2reactions

uranusjrcommented, Apr 28, 2020

I am more inclined to let upstream fix this, or investigate in alternatives like httpx and see whether there is a fix. The increased complexity in pip is not worth it.

0reactions

uranusjrcommented, Sep 26, 2021

I don’t think anything changed.

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