Python pip install fails: invalid command egg_info

Question

I find that recently often when I try to install a Python package using pip, I get the error(s) below.

I found a reference online that one has to use "python2 setup.py install" from the download directory, and indeed find that this will then work if I manually find and download the package (from pypi).

But, I don't know where pip is downloading packages to, and/or why it is failing in this manner.

I tried to do a pip upgrade, but it also failed in a similar manner, with a bunch of "Unknown distribution option" errors (entry_points, zip_safe, test_suite, tests_require)!

• pip 1.0.1
• ActivePython 2.7

Trying to use ActiveState's pypm fails, because they have a smaller library base, and it doesn't include these packages.

C:est>pip install requests-oauth
Downloading/unpacking requests-oauth
  Downloading requests-oauth-0.4.1.tar.gz
  Running setup.py egg_info for package requests-oauth
    E:PlangActivePythonlibdistutilsdist.py:267: UserWarning: Unknown distribution option: 'zip_safe'
      warnings.warn(msg)
    E:PlangActivePythonlibdistutilsdist.py:267: UserWarning: Unknown distribution option: 'install_requires'
      warnings.warn(msg)
    usage: -c [global_opts] cmd1 [cmd1_opts] [cmd2 [cmd2_opts] ...]
       or: -c --help [cmd1 cmd2 ...]
       or: -c --help-commands
       or: -c cmd --help

    error: invalid command 'egg_info'
    Complete output from command python setup.py egg_info:
    E:PlangActivePythonlibdistutilsdist.py:267: UserWarning: Unknown distribution option: 'zip_safe'
  warnings.warn(msg)

E:PlangActivePythonlibdistutilsdist.py:267: UserWarning: Unknown distribution option: 'install_requires'
  warnings.warn(msg)

usage: -c [global_opts] cmd1 [cmd1_opts] [cmd2 [cmd2_opts] ...]
   or: -c --help [cmd1 cmd2 ...]
   or: -c --help-commands
   or: -c cmd --help

error: invalid command 'egg_info'

Answer 1

Install distribute, which comes with egg_info.

Should be as simple as pip install Distribute.

Distribute has been merged into Setuptools as of version 0.7. If you are using a version <=0.6, upgrade using pip install --upgrade setuptools or easy_install -U setuptools.