def _locate_virtualenv_executable()

in scripts/ebcli_installer.py [0:0]

• 14 lines of code
• 6 McCabe index (conditional complexity)

def _locate_virtualenv_executable():
    """
    Function attempts to find the location at which `virtualenv` is installed.

    If such a location is found, the function returns normally. Otherwise, the
    function further proceeds to check for `pip` and informs the user that either
    or both of `pip` and `virtualenv` are missing.
    :param quiet: a boolean indicating whether minimal output printed should be
                  non-verbose, minimal.
    :return: None
    :side-effect: script will exit with a non-0 return code if a
                  virtualenv and/or pip executables haven't been found.
    """
    virtualenv_executables = ['virtualenv']

    if sys.platform.startswith('win32'):
        virtualenv_executables += ['virtualenv.cmd', 'virtualenv.exe']
    virtualenv_executable = None
    for _virtualenv_executable in virtualenv_executables:
        if _executable_found(_virtualenv_executable, True):
            virtualenv_executable = _virtualenv_executable

    if not virtualenv_executable:
        if not _pip_executable_found(True):
            print(PIP_AND_VIRTUALENV_NOT_FOUND)
        else:
            print(VIRTUALENV_NOT_FOUND)

    return virtualenv_executable