Rudder

We use a virtualenv version 1.9, which is quite outdated (2013).

Virtualenv creation fails with the following error:

New python executable in blah/bin/python
Installing setuptools................................................
  Complete output from command /home/mcerda/Reposit...CES/blah/bin/python -c "#!python
\"\"\"Bootstra...sys.argv[1:])
" --always-copy -U setuptools:
  Downloading http://pypi.python.org/packages/2.7/s/setuptools/setuptools-0.6c11-py2.7.egg
Searching for setuptools
Reading http://pypi.python.org/simple/setuptools/
Best match: setuptools 12.4
Downloading https://pypi.python.org/packages/source/s/setuptools/setuptools-12.4.zip#md5=b088ed7a43a93a1fd1fcabdf73bfa0bf
Processing setuptools-12.4.zip
Running setuptools-12.4/setup.py -q bdist_egg --dist-dir /tmp/easy_install-3IJo15/setuptools-12.4/egg-dist-tmp-KrsZdR
/usr/lib/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'src_root'
  warnings.warn(msg)
Traceback (most recent call last):
(...)
----------------------------------------
...Installing setuptools...done.
Traceback (most recent call last):
  File "virtualenv.py", line 2577, in <module>
    main()
  File "virtualenv.py", line 979, in main
    no_pip=options.no_pip)
  File "virtualenv.py", line 1091, in create_environment
    search_dirs=search_dirs, never_download=never_download)
  File "virtualenv.py", line 611, in install_setuptools
    search_dirs=search_dirs, never_download=never_download)
  File "virtualenv.py", line 583, in _install_req
    cwd=cwd)
  File "virtualenv.py", line 1057, in call_subprocess
    % (cmd_desc, proc.returncode))
OSError: Command /home/mcerda/Reposit...CES/blah/bin/python -c "#!python
\"\"\"Bootstra...sys.argv[1:])
" --always-copy -U setuptools failed with error code 1
zsh: exit 1     python virtualenv.py blah

Let's update to the latest version (12.0.7).