__init__.py 文件源码

def _get_basicauth_credentials(request):
    authorization = AUTHORIZATION(request.environ)
    try:
        authmeth, auth = authorization.split(' ', 1)
    except ValueError:  # not enough values to unpack
        return None
    if authmeth.lower() == 'basic':
        try:
            auth = base64.b64decode(auth.strip().encode('ascii'))
        except binascii.Error:  # can't decode
            return None
        try:
            login, password = auth.decode('utf8').split(':', 1)
        except ValueError:  # not enough values to unpack
            return None
        return {'login': login, 'password': password}

    return None