99 lines
3.1 KiB
Python
99 lines
3.1 KiB
Python
# Copyright (C) 2017 YouCompleteMe contributors
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#
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# This file is part of YouCompleteMe.
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#
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# YouCompleteMe is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# YouCompleteMe is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with YouCompleteMe. If not, see <http://www.gnu.org/licenses/>.
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from __future__ import unicode_literals
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from __future__ import print_function
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from __future__ import division
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from __future__ import absolute_import
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# Not installing aliases from python-future; it's unreliable and slow.
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from builtins import * # noqa
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from ycm.client.base_request import BaseRequest, BuildRequestData
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from ycm.vimsupport import PostVimMessage
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import logging
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_logger = logging.getLogger( __name__ )
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# Looooong poll
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TIMEOUT_SECONDS = 60
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class MessagesPoll( BaseRequest ):
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def __init__( self ):
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super( MessagesPoll, self ).__init__()
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self._request_data = BuildRequestData()
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self._response_future = None
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def _SendRequest( self ):
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self._response_future = self.PostDataToHandlerAsync(
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self._request_data,
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'receive_messages',
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timeout = TIMEOUT_SECONDS )
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return
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def Poll( self, diagnostics_handler ):
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"""This should be called regularly to check for new messages in this buffer.
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Returns True if Poll should be called again in a while. Returns False when
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the completer or server indicated that further polling should not be done
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for the requested file."""
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if self._response_future is None:
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# First poll
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self._SendRequest()
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return True
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if not self._response_future.done():
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# Nothing yet...
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return True
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response = self.HandleFuture( self._response_future,
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display_message = False )
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if response is None:
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# Server returned an exception.
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return False
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poll_again = _HandlePollResponse( response, diagnostics_handler )
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if poll_again:
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self._SendRequest()
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return True
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return False
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def _HandlePollResponse( response, diagnostics_handler ):
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if isinstance( response, list ):
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for notification in response:
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if 'message' in notification:
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PostVimMessage( notification[ 'message' ],
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warning = False,
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truncate = True )
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elif 'diagnostics' in notification:
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diagnostics_handler.UpdateWithNewDiagnosticsForFile(
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notification[ 'filepath' ],
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notification[ 'diagnostics' ] )
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elif response is False:
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# Don't keep polling for this file
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return False
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# else any truthy response means "nothing to see here; poll again in a
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# while"
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# Start the next poll (only if the last poll didn't raise an exception)
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return True
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