def get_user_detail(self, req, account, user):
path = quote('<STR_LIT>' % (self.auth_account, account, user))<EOL>resp = self.make_pre_authed_request(<EOL>req.environ, '<STR_LIT:GET>', path).get_response(self.app)<EOL>if resp.status_int == <NUM_LIT>:<EOL><INDENT>return None<EOL><DEDENT>if resp.status_int // <NUM_LIT:100> != <NUM_LIT:2>:<EOL><INDENT>raise Exception('<STR_LIT>' %<EOL>(path, resp.status))<EOL><DEDENT>return resp.body<EOL>
Returns the response body of a GET request for the specified user
        The body is in JSON format and contains all user information.

        :param req: The swob request
        :param account: the account the user is a member of
        :param user: the user

        :returns: A JSON response with the user detail information, None
                  if the user doesn't exist