def get_file_content(url, comes_from=None, session=None):
    if session is None:
        session = PipSession()

    match = _scheme_re.search(url)
    if match:
        scheme = match.group(1).lower()
        if (scheme == 'file' and comes_from
            and comes_from.startswith('http')):
            raise InstallationError(
                'Requirements file %s references URL %s, which is local'
                % (comes_from, url))
        if scheme == 'file':
            path = url.split(':', 1)[1]
            path = path.replace('\\', '/')
            match = _url_slash_drive_re.match(path)
            if match:
                path = match.group(1) + ':' + path.split('|', 1)[1]
            path = urllib.unquote(path)
            if path.startswith('/'):
                path = '/' + path.lstrip('/')
            url = path
        else:
            ## FIXME: catch some errors
            resp = session.get(url)
            resp.raise_for_status()

            if six.PY3:
                return resp.url, resp.text
            else:
                return resp.url, resp.content
    try:
        f = open(url)
        content = f.read()
    except IOError:
        e = sys.exc_info()[1]
        raise InstallationError('Could not open requirements file: %s' % str(e))
    else:
        f.close()
    return url, content
Gets the content of a file; it may be a filename, file: URL, or
dataset/ETHPy150Open GeekTrainer/Flask/Work/Trivia - Module 5/env/Lib/site-packages/pip/download.py/get_file_content