capybara/virtualenv/lib/python2.7/site-packages/pip/download.py
def is_url(name):
    """Returns true if the name looks like a URL"""
    if ':' not in name:
        return False
    scheme = name.split(':', 1)[0].lower()
    return scheme in ['http', 'https', 'file', 'ftp'] + vcs.all_schemes
def is_url(name):
    if ':' not in name:
        return False
    scheme = name.split(':', 1)[0].lower()
    return scheme in ['http', 'https', 'file', 'ftp'] + vcs.all_schemes
def is_url ( name ) : if ':' not in name : return False scheme = name . split ( ':' , 1 ) [ 0 ] . lower ( ) return scheme in [ 'http' , 'https' , 'file' , 'ftp' ] + vcs . all_schemes
Returns true if the name looks like a URL
Returns true if the name looks like a URL