Make an HTTP request to the Gitlab server.

        Args:
            verb (str): The HTTP method to call ('get', 'post', 'put',
                        'delete')
            path (str): Path or full URL to query ('/projects' or
                        'http://whatever/v4/api/projecs')
            query_data (dict): Data to send as query parameters
            post_data (dict): Data to send in the body (will be converted to
                              json)
            streamed (bool): Whether the data should be streamed
            files (dict): The files to send to the server
            **kwargs: Extra options to send to the server (e.g. sudo)

        Returns:
            A requests result object.

        Raises:
            GitlabHttpError: When the return code is not 2xx

def http_request(self, verb, path, query_data={}, post_data=None,
                     streamed=False, files=None, **kwargs):
        """Make an HTTP request to the Gitlab server.

        Args:
            verb (str): The HTTP method to call ('get', 'post', 'put',
                        'delete')
            path (str): Path or full URL to query ('/projects' or
                        'http://whatever/v4/api/projecs')
            query_data (dict): Data to send as query parameters
            post_data (dict): Data to send in the body (will be converted to
                              json)
            streamed (bool): Whether the data should be streamed
            files (dict): The files to send to the server
            **kwargs: Extra options to send to the server (e.g. sudo)

        Returns:
            A requests result object.

        Raises:
            GitlabHttpError: When the return code is not 2xx
        """

        url = self._build_url(path)

        params = {}
        utils.copy_dict(params, query_data)

        # Deal with kwargs: by default a user uses kwargs to send data to the
        # gitlab server, but this generates problems (python keyword conflicts
        # and python-gitlab/gitlab conflicts).
        # So we provide a `query_parameters` key: if it's there we use its dict
        # value as arguments for the gitlab server, and ignore the other
        # arguments, except pagination ones (per_page and page)
        if 'query_parameters' in kwargs:
            utils.copy_dict(params, kwargs['query_parameters'])
            for arg in ('per_page', 'page'):
                if arg in kwargs:
                    params[arg] = kwargs[arg]
        else:
            utils.copy_dict(params, kwargs)

        opts = self._get_session_opts(content_type='application/json')

        verify = opts.pop('verify')
        timeout = opts.pop('timeout')

        # We need to deal with json vs. data when uploading files
        if files:
            data = post_data
            json = None
            del opts["headers"]["Content-type"]
        else:
            json = post_data
            data = None

        # Requests assumes that `.` should not be encoded as %2E and will make
        # changes to urls using this encoding. Using a prepped request we can
        # get the desired behavior.
        # The Requests behavior is right but it seems that web servers don't
        # always agree with this decision (this is the case with a default
        # gitlab installation)
        req = requests.Request(verb, url, json=json, data=data, params=params,
                               files=files, **opts)
        prepped = self.session.prepare_request(req)
        prepped.url = utils.sanitized_url(prepped.url)
        settings = self.session.merge_environment_settings(
            prepped.url, {}, streamed, verify, None)

        # obey the rate limit by default
        obey_rate_limit = kwargs.get("obey_rate_limit", True)

        # set max_retries to 10 by default, disable by setting it to -1
        max_retries = kwargs.get("max_retries", 10)
        cur_retries = 0

        while True:
            result = self.session.send(prepped, timeout=timeout, **settings)

            self._check_redirects(result)

            if 200 <= result.status_code < 300:
                return result

            if 429 == result.status_code and obey_rate_limit:
                if max_retries == -1 or cur_retries < max_retries:
                    wait_time = 2 ** cur_retries * 0.1
                    if "Retry-After" in result.headers:
                        wait_time = int(result.headers["Retry-After"])
                    cur_retries += 1
                    time.sleep(wait_time)
                    continue

            error_message = result.content
            try:
                error_json = result.json()
                for k in ('message', 'error'):
                    if k in error_json:
                        error_message = error_json[k]
            except (KeyError, ValueError, TypeError):
                pass

            if result.status_code == 401:
                raise GitlabAuthenticationError(
                    response_code=result.status_code,
                    error_message=error_message,
                    response_body=result.content)

            raise GitlabHttpError(response_code=result.status_code,
                                  error_message=error_message,
                                  response_body=result.content)