def get_install_requirements()

in setup.py [0:0]

• 19 lines of code
• 5 McCabe index (conditional complexity)

def get_install_requirements(fname):

    ReqOpts = collections.namedtuple('ReqOpts', [
        'skip_requirements_regex',
        'default_vcs',
        'isolated_mode',
    ])

    opts = ReqOpts(None, 'git', False)
    params = {'options': opts}

    requires = []

    pip_version = StrictVersion(pip.__version__)
    session_support_since = StrictVersion('1.5.0')
    if pip_version >= session_support_since:
        from pip.download import PipSession
        session = PipSession()
        params.update({'session': session})

    for ir in parse_requirements(fname, **params):
        if ir is not None and ir.req is not None:
            requires.append(str(ir.req))
        return requires