title: pip3 install failing with No such file or directory: '/tmp/pip-dvxrqtnr-build/setup.py'
body: <p>trying to install python-snappy-0.5.4.tar.gz using pip3, which I had repackaged after I made changes in setup.py file which were as follows.</p>
  <pre><code>-                         libraries=['snappy'],
  +                         libraries=['csnappy'],
  </code></pre>
  <p>failing pip</p>
  <pre><code>(venv) [root@sl2o2pocxbar301 vchauhan]# pip3 install python-snappy-0.5.4.tar.gz
  Processing ./python-snappy-0.5.4.tar.gz
      Complete output from command python setup.py egg_info:
      Traceback (most recent call last):
        File &quot;&lt;string&gt;&quot;, line 1, in &lt;module&gt;
        File &quot;/usr/lib64/python3.6/tokenize.py&quot;, line 452, in open
          buffer = _builtin_open(filename, 'rb')
      FileNotFoundError: [Errno 2] No such file or directory: '/tmp/pip-dvxrqtnr-build/setup.py'
  
      ----------------------------------------
  Command &quot;python setup.py egg_info&quot; failed with error code 1 in /tmp/pip-dvxrqtnr-build/
  You are using pip version 9.0.3, however version 20.1.1 is available.
  You should consider upgrading via the 'pip install --upgrade pip' command.
  </code></pre>
  <p>as a part of debug process I extracted these files, and I am getting such messages,</p>
  <pre><code>(venv) [root@sl2o2pocxbar301 vchauhan]# tar -xvf python-snappy-0.5.4.tar.g
  tar: python-snappy-0.5.4.tar.g: Cannot open: No such file or directory
  tar: Error is not recoverable: exiting now
  (venv) [root@sl2o2pocxbar301 vchauhan]# tar -xvf python-snappy-0.5.4.tar.gz
  tar: Ignoring unknown extended header keyword 'SCHILY.dev'
  tar: Ignoring unknown extended header keyword 'SCHILY.ino'
  tar: Ignoring unknown extended header keyword 'SCHILY.nlink'
  ./._python-snappy-0.5.4
  tar: Ignoring unknown extended header keyword 'LIBARCHIVE.creationtime'
  tar: Ignoring unknown extended header keyword 'SCHILY.dev'
  tar: Ignoring unknown extended header keyword 'SCHILY.ino'
  tar: Ignoring unknown extended header keyword 'SCHILY.nlink'
  python-snappy-0.5.4/
  ...................
  python-snappy-0.5.4/python_snappy.egg-info/dependency_links.txt
  </code></pre>
  <p>contents of .tar.gz files after extraction.</p>
  <pre><code>(venv) [root@sl2o2pocxbar301 vchauhan]# cd python-snappy-0.5.4/
  (venv) [root@sl2o2pocxbar301 python-snappy-0.5.4]# ls
  AUTHORS  LICENSE  MANIFEST.in  PKG-INFO  python_snappy.egg-info  README.rst  setup.cfg  setup.py  snappy  test_formats.py  test_hadoop_snappy.py  test_snappy_cffi.py  test_snappy.py
  </code></pre>