connection leaks in head_object.

Author: huiguangjun

oss2/api.py

@@ -970,7 +970,7 @@ def head_object(self, key, headers=None, params=None):
         resp = self.__do_object('HEAD', key, headers=headers, params=params)
 
         logger.debug("Head object done, req_id: {0}, status_code: {1}".format(resp.request_id, resp.status))
-        return HeadObjectResult(resp)
+        return self._parse_result(resp, xml_utils.parse_dummy_result, HeadObjectResult)
 
     def create_select_object_meta(self, key, select_meta_params=None, headers=None):
         """获取或创建CSV,JSON LINES 文件元信息。如果元信息存在，返回之；不然则创建后返回之

oss2/xml_utils.py

@@ -1856,4 +1856,7 @@ def parse_do_bucket_meta_query_result(result, body):
         for group in aggregation.findall('Groups/Group'):
             tmp_groups = AggregationGroupInfo(_find_tag(group, 'Value'), int(_find_tag_with_default(group, 'Count', 0)))
             tmp.groups.append(tmp_groups)
-        result.aggregations.append(tmp)
+        result.aggregations.append(tmp)
+
+def parse_dummy_result(result, body):
+    return result