+# -*- coding: utf-8 -*-
+
+# Copyright 2018 Telefonica S.A.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
import logging
import os
import yaml
import asyncio
from osm_common.msgbase import MsgBase, MsgException
from time import sleep
+from http import HTTPStatus
__author__ = "Alfonso Tierno <alfonso.tiernosepulveda@telefonica.com>"
except MsgException:
raise
except Exception as e: # TODO refine
- raise MsgException(str(e))
+ raise MsgException(str(e), http_code=HTTPStatus.INTERNAL_SERVER_ERROR)
def disconnect(self):
for f in self.files_read.values():
yaml.safe_dump({key: msg}, self.files_write[topic], default_flow_style=True, width=20000)
self.files_write[topic].flush()
except Exception as e: # TODO refine
- raise MsgException(str(e))
+ raise MsgException(str(e), HTTPStatus.INTERNAL_SERVER_ERROR)
def read(self, topic, blocks=True):
"""
return None
sleep(2)
except Exception as e: # TODO refine
- raise MsgException(str(e))
+ raise MsgException(str(e), HTTPStatus.INTERNAL_SERVER_ERROR)
- async def aioread(self, topic, loop):
+ async def aioread(self, topic, loop=None, callback=None, aiocallback=None, **kwargs):
"""
Asyncio read from one or several topics. It blocks
:param topic: can be str: single topic; or str list: several topics
while True:
msg = self.read(topic, blocks=False)
if msg:
- return msg
+ if callback:
+ callback(*msg, **kwargs)
+ elif aiocallback:
+ await aiocallback(*msg, **kwargs)
+ else:
+ return msg
await asyncio.sleep(2, loop=loop)
except MsgException:
raise
except Exception as e: # TODO refine
- raise MsgException(str(e))
+ raise MsgException(str(e), HTTPStatus.INTERNAL_SERVER_ERROR)
+
+ async def aiowrite(self, topic, key, msg, loop=None):
+ """
+ Asyncio write. It blocks
+ :param topic: str
+ :param key: str
+ :param msg: message, can be str or yaml
+ :param loop: asyncio loop
+ :return: nothing if ok or raises an exception
+ """
+ return self.write(topic, key, msg)