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-rw-r--r--pygerrit/stream.py77
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diff --git a/pygerrit/stream.py b/pygerrit/stream.py
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-# The MIT License
-#
-# Copyright 2012 Sony Mobile Communications. All rights reserved.
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-# THE SOFTWARE.
-
-""" Gerrit event stream interface.
-
-Class to listen to the Gerrit event stream and dispatch events.
-
-"""
-
-from threading import Thread, Event
-
-from .events import ErrorEvent
-
-
-class GerritStream(Thread):
-
- """ Gerrit events stream handler. """
-
- def __init__(self, gerrit, ssh_client):
- Thread.__init__(self)
- self.daemon = True
- self._gerrit = gerrit
- self._ssh_client = ssh_client
- self._stop = Event()
- self._channel = None
-
- def stop(self):
- """ Stop the thread. """
- self._stop.set()
- if self._channel is not None:
- self._channel.close()
-
- def _error_event(self, error):
- """ Dispatch `error` to the Gerrit client. """
- self._gerrit.put_event(ErrorEvent.error_json(error))
-
- def run(self):
- """ Listen to the stream and send events to the client. """
- channel = self._ssh_client.get_transport().open_session()
- self._channel = channel
- channel.exec_command("gerrit stream-events")
- stdout = channel.makefile()
- stderr = channel.makefile_stderr()
- while not self._stop.is_set():
- try:
- if channel.exit_status_ready():
- if channel.recv_stderr_ready():
- error = stderr.readline().strip()
- else:
- error = "Remote server connection closed"
- self._error_event(error)
- self._stop.set()
- else:
- data = stdout.readline()
- self._gerrit.put_event(data)
- except Exception as e: # pylint: disable=W0703
- self._error_event(repr(e))
- self._stop.set()