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116 lines
3.7 KiB
116 lines
3.7 KiB
# -*- coding: utf-8 -*-
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# Copyright (C) 2020 Chris Caron <lead2gold@gmail.com>
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# All rights reserved.
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#
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# This code is licensed under the MIT License.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files(the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions :
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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import sys
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import asyncio
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from ..URLBase import URLBase
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from ..logger import logger
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# A global flag that tracks if we are Python v3.7 or higher
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ASYNCIO_RUN_SUPPORT = \
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sys.version_info.major > 3 or \
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(sys.version_info.major == 3 and sys.version_info.minor >= 7)
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def notify(coroutines, debug=False):
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"""
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A Wrapper to the AsyncNotifyBase.async_notify() calls allowing us
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to call gather() and collect the responses
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"""
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# Create log entry
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logger.info(
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'Notifying {} service(s) asynchronous.'.format(len(coroutines)))
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if ASYNCIO_RUN_SUPPORT:
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# async reference produces a SyntaxError (E999) in Python v2.7
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# For this reason we turn on the noqa flag
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async def main(results, coroutines): # noqa: E999
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"""
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Task: Notify all servers specified and return our result set
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through a mutable object.
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"""
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# send our notifications and store our result set into
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# our results dictionary
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results['response'] = \
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await asyncio.gather(*coroutines, return_exceptions=True)
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# Initialize a mutable object we can populate with our notification
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# responses
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results = {}
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# Send our notifications
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asyncio.run(main(results, coroutines), debug=debug)
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# Acquire our return status
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status = next((s for s in results['response'] if s is False), True)
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else:
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#
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# The depricated way
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#
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# acquire access to our event loop
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loop = asyncio.get_event_loop()
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if debug:
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# Enable debug mode
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loop.set_debug(1)
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# Send our notifications and acquire our status
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results = loop.run_until_complete(asyncio.gather(*coroutines))
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# Acquire our return status
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status = next((r for r in results if r is False), True)
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# Returns True if all notifications succeeded, otherwise False is
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# returned.
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return status
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class AsyncNotifyBase(URLBase):
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"""
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asyncio wrapper for the NotifyBase object
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"""
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async def async_notify(self, *args, **kwargs): # noqa: E999
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"""
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Async Notification Wrapper
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"""
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try:
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return self.notify(*args, **kwargs)
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except TypeError:
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# These our our internally thrown notifications
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pass
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except Exception:
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# A catch all so we don't have to abort early
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# just because one of our plugins has a bug in it.
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logger.exception("Notification Exception")
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return False
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