0fd842a29e
Executing the check_core_version.py script with SafePopen and stdin to PIPE raises an error in Vim on Windows. Since the stdin option is only useful when starting the ycmd server, it is only set in this case.
421 lines
14 KiB
Python
421 lines
14 KiB
Python
#!/usr/bin/env python
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#
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# Copyright (C) 2011, 2012 Google Inc.
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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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import os
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import vim
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import tempfile
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import json
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import signal
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import base64
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from subprocess import PIPE
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from ycm import vimsupport
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from ycmd import utils
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from ycmd.request_wrap import RequestWrap
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from ycm.diagnostic_interface import DiagnosticInterface
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from ycm.omni_completer import OmniCompleter
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from ycm import syntax_parse
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from ycm.client.ycmd_keepalive import YcmdKeepalive
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from ycm.client.base_request import BaseRequest, BuildRequestData
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from ycm.client.completer_available_request import SendCompleterAvailableRequest
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from ycm.client.command_request import SendCommandRequest
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from ycm.client.completion_request import CompletionRequest
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from ycm.client.omni_completion_request import OmniCompletionRequest
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from ycm.client.event_notification import ( SendEventNotificationAsync,
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EventNotification )
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from ycmd.responses import ServerError
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try:
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from UltiSnips import UltiSnips_Manager
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USE_ULTISNIPS_DATA = True
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except ImportError:
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USE_ULTISNIPS_DATA = False
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def PatchNoProxy():
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current_value = os.environ.get('no_proxy', '')
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additions = '127.0.0.1,localhost'
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os.environ['no_proxy'] = ( additions if not current_value
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else current_value + ',' + additions )
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# We need this so that Requests doesn't end up using the local HTTP proxy when
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# talking to ycmd. Users should actually be setting this themselves when
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# configuring a proxy server on their machine, but most don't know they need to
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# or how to do it, so we do it for them.
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# Relevant issues:
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# https://github.com/Valloric/YouCompleteMe/issues/641
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# https://github.com/kennethreitz/requests/issues/879
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PatchNoProxy()
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# Force the Python interpreter embedded in Vim (in which we are running) to
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# ignore the SIGINT signal. This helps reduce the fallout of a user pressing
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# Ctrl-C in Vim.
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signal.signal( signal.SIGINT, signal.SIG_IGN )
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HMAC_SECRET_LENGTH = 16
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NUM_YCMD_STDERR_LINES_ON_CRASH = 30
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SERVER_CRASH_MESSAGE_STDERR_FILE_DELETED = (
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'The ycmd server SHUT DOWN (restart with :YcmRestartServer). '
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'Logfile was deleted; set g:ycm_server_keep_logfiles to see errors '
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'in the future.' )
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SERVER_CRASH_MESSAGE_STDERR_FILE = (
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'The ycmd server SHUT DOWN (restart with :YcmRestartServer). ' +
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'Stderr (last {0} lines):\n\n'.format( NUM_YCMD_STDERR_LINES_ON_CRASH ) )
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SERVER_CRASH_MESSAGE_SAME_STDERR = (
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'The ycmd server SHUT DOWN (restart with :YcmRestartServer). '
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' check console output for logs!' )
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SERVER_IDLE_SUICIDE_SECONDS = 10800 # 3 hours
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class YouCompleteMe( object ):
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def __init__( self, user_options ):
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self._user_options = user_options
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self._user_notified_about_crash = False
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self._diag_interface = DiagnosticInterface( user_options )
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self._omnicomp = OmniCompleter( user_options )
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self._latest_file_parse_request = None
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self._latest_completion_request = None
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self._server_stdout = None
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self._server_stderr = None
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self._server_popen = None
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self._filetypes_with_keywords_loaded = set()
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self._ycmd_keepalive = YcmdKeepalive()
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self._SetupServer()
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self._ycmd_keepalive.Start()
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def _SetupServer( self ):
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self._available_completers = {}
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server_port = utils.GetUnusedLocalhostPort()
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# The temp options file is deleted by ycmd during startup
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with tempfile.NamedTemporaryFile( delete = False ) as options_file:
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hmac_secret = os.urandom( HMAC_SECRET_LENGTH )
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options_dict = dict( self._user_options )
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options_dict[ 'hmac_secret' ] = base64.b64encode( hmac_secret )
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json.dump( options_dict, options_file )
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options_file.flush()
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args = [ utils.PathToPythonInterpreter(),
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_PathToServerScript(),
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'--port={0}'.format( server_port ),
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'--options_file={0}'.format( options_file.name ),
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'--log={0}'.format( self._user_options[ 'server_log_level' ] ),
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'--idle_suicide_seconds={0}'.format(
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SERVER_IDLE_SUICIDE_SECONDS )]
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if not self._user_options[ 'server_use_vim_stdout' ]:
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filename_format = os.path.join( utils.PathToTempDir(),
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'server_{port}_{std}.log' )
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self._server_stdout = filename_format.format( port = server_port,
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std = 'stdout' )
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self._server_stderr = filename_format.format( port = server_port,
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std = 'stderr' )
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args.append('--stdout={0}'.format( self._server_stdout ))
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args.append('--stderr={0}'.format( self._server_stderr ))
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if self._user_options[ 'server_keep_logfiles' ]:
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args.append('--keep_logfiles')
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self._server_popen = utils.SafePopen( args, stdin_windows = PIPE,
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stdout = PIPE, stderr = PIPE)
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BaseRequest.server_location = 'http://127.0.0.1:' + str( server_port )
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BaseRequest.hmac_secret = hmac_secret
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self._NotifyUserIfServerCrashed()
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def IsServerAlive( self ):
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returncode = self._server_popen.poll()
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# When the process hasn't finished yet, poll() returns None.
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return returncode is None
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def _NotifyUserIfServerCrashed( self ):
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if self._user_notified_about_crash or self.IsServerAlive():
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return
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self._user_notified_about_crash = True
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if self._server_stderr:
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try:
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with open( self._server_stderr, 'r' ) as server_stderr_file:
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error_output = ''.join( server_stderr_file.readlines()[
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: - NUM_YCMD_STDERR_LINES_ON_CRASH ] )
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vimsupport.PostMultiLineNotice( SERVER_CRASH_MESSAGE_STDERR_FILE +
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error_output )
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except IOError:
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vimsupport.PostVimMessage( SERVER_CRASH_MESSAGE_STDERR_FILE_DELETED )
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else:
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vimsupport.PostVimMessage( SERVER_CRASH_MESSAGE_SAME_STDERR )
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def ServerPid( self ):
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if not self._server_popen:
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return -1
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return self._server_popen.pid
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def _ServerCleanup( self ):
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if self.IsServerAlive():
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self._server_popen.terminate()
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def RestartServer( self ):
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vimsupport.PostVimMessage( 'Restarting ycmd server...' )
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self._user_notified_about_crash = False
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self._ServerCleanup()
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self._SetupServer()
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def CreateCompletionRequest( self, force_semantic = False ):
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request_data = BuildRequestData()
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if ( not self.NativeFiletypeCompletionAvailable() and
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self.CurrentFiletypeCompletionEnabled() ):
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wrapped_request_data = RequestWrap( request_data )
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if self._omnicomp.ShouldUseNow( wrapped_request_data ):
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self._latest_completion_request = OmniCompletionRequest(
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self._omnicomp, wrapped_request_data )
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return self._latest_completion_request
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self._AddExtraConfDataIfNeeded( request_data )
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if force_semantic:
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request_data[ 'force_semantic' ] = True
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self._latest_completion_request = CompletionRequest( request_data )
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return self._latest_completion_request
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def SendCommandRequest( self, arguments, completer ):
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if self.IsServerAlive():
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return SendCommandRequest( arguments, completer )
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def GetDefinedSubcommands( self ):
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if self.IsServerAlive():
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try:
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return BaseRequest.PostDataToHandler( BuildRequestData(),
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'defined_subcommands' )
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except ServerError:
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return []
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else:
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return []
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def GetCurrentCompletionRequest( self ):
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return self._latest_completion_request
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def GetOmniCompleter( self ):
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return self._omnicomp
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def FiletypeCompleterExistsForFiletype( self, filetype ):
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try:
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return self._available_completers[ filetype ]
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except KeyError:
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pass
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exists_completer = ( self.IsServerAlive() and
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bool( SendCompleterAvailableRequest( filetype ) ) )
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self._available_completers[ filetype ] = exists_completer
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return exists_completer
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def NativeFiletypeCompletionAvailable( self ):
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return any( [ self.FiletypeCompleterExistsForFiletype( x ) for x in
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vimsupport.CurrentFiletypes() ] )
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def NativeFiletypeCompletionUsable( self ):
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return ( self.CurrentFiletypeCompletionEnabled() and
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self.NativeFiletypeCompletionAvailable() )
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def OnFileReadyToParse( self ):
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self._omnicomp.OnFileReadyToParse( None )
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if not self.IsServerAlive():
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self._NotifyUserIfServerCrashed()
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extra_data = {}
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self._AddTagsFilesIfNeeded( extra_data )
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self._AddSyntaxDataIfNeeded( extra_data )
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self._AddExtraConfDataIfNeeded( extra_data )
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self._latest_file_parse_request = EventNotification( 'FileReadyToParse',
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extra_data )
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self._latest_file_parse_request.Start()
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def OnBufferUnload( self, deleted_buffer_file ):
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if not self.IsServerAlive():
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return
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SendEventNotificationAsync( 'BufferUnload',
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{ 'unloaded_buffer': deleted_buffer_file } )
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def OnBufferVisit( self ):
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if not self.IsServerAlive():
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return
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extra_data = {}
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_AddUltiSnipsDataIfNeeded( extra_data )
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SendEventNotificationAsync( 'BufferVisit', extra_data )
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def OnInsertLeave( self ):
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if not self.IsServerAlive():
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return
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SendEventNotificationAsync( 'InsertLeave' )
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def OnCursorMoved( self ):
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self._diag_interface.OnCursorMoved()
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def OnVimLeave( self ):
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self._ServerCleanup()
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def OnCurrentIdentifierFinished( self ):
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if not self.IsServerAlive():
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return
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SendEventNotificationAsync( 'CurrentIdentifierFinished' )
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def DiagnosticsForCurrentFileReady( self ):
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return bool( self._latest_file_parse_request and
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self._latest_file_parse_request.Done() )
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def GetDiagnosticsFromStoredRequest( self, qflist_format = False ):
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if self.DiagnosticsForCurrentFileReady():
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diagnostics = self._latest_file_parse_request.Response()
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# We set the diagnostics request to None because we want to prevent
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# repeated refreshing of the buffer with the same diags. Setting this to
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# None makes DiagnosticsForCurrentFileReady return False until the next
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# request is created.
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self._latest_file_parse_request = None
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if qflist_format:
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return vimsupport.ConvertDiagnosticsToQfList( diagnostics )
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else:
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return diagnostics
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return []
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def UpdateDiagnosticInterface( self ):
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if ( self.DiagnosticsForCurrentFileReady() and
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self.NativeFiletypeCompletionUsable() ):
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self._diag_interface.UpdateWithNewDiagnostics(
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self.GetDiagnosticsFromStoredRequest() )
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def ShowDetailedDiagnostic( self ):
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if not self.IsServerAlive():
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return
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try:
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debug_info = BaseRequest.PostDataToHandler( BuildRequestData(),
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'detailed_diagnostic' )
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if 'message' in debug_info:
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vimsupport.EchoText( debug_info[ 'message' ] )
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except ServerError as e:
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vimsupport.PostVimMessage( str( e ) )
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def DebugInfo( self ):
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if self.IsServerAlive():
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debug_info = BaseRequest.PostDataToHandler( BuildRequestData(),
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'debug_info' )
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else:
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debug_info = 'Server crashed, no debug info from server'
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debug_info += '\nServer running at: {0}'.format(
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BaseRequest.server_location )
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debug_info += '\nServer process ID: {0}'.format( self._server_popen.pid )
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if self._server_stderr or self._server_stdout:
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debug_info += '\nServer logfiles:\n {0}\n {1}'.format(
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self._server_stdout,
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self._server_stderr )
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return debug_info
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def CurrentFiletypeCompletionEnabled( self ):
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filetypes = vimsupport.CurrentFiletypes()
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filetype_to_disable = self._user_options[
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'filetype_specific_completion_to_disable' ]
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if '*' in filetype_to_disable:
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return False
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else:
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return not any([ x in filetype_to_disable for x in filetypes ])
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def _AddSyntaxDataIfNeeded( self, extra_data ):
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if not self._user_options[ 'seed_identifiers_with_syntax' ]:
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return
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filetype = vimsupport.CurrentFiletypes()[ 0 ]
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if filetype in self._filetypes_with_keywords_loaded:
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return
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self._filetypes_with_keywords_loaded.add( filetype )
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extra_data[ 'syntax_keywords' ] = list(
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syntax_parse.SyntaxKeywordsForCurrentBuffer() )
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def _AddTagsFilesIfNeeded( self, extra_data ):
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def GetTagFiles():
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tag_files = vim.eval( 'tagfiles()' )
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# getcwd() throws an exception when the CWD has been deleted.
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try:
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current_working_directory = os.getcwd()
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except OSError:
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return []
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return [ os.path.join( current_working_directory, x ) for x in tag_files ]
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if not self._user_options[ 'collect_identifiers_from_tags_files' ]:
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return
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extra_data[ 'tag_files' ] = GetTagFiles()
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def _AddExtraConfDataIfNeeded( self, extra_data ):
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def BuildExtraConfData( extra_conf_vim_data ):
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return dict( ( expr, vimsupport.VimExpressionToPythonType( expr ) )
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for expr in extra_conf_vim_data )
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extra_conf_vim_data = self._user_options[ 'extra_conf_vim_data' ]
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if extra_conf_vim_data:
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extra_data[ 'extra_conf_data' ] = BuildExtraConfData(
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extra_conf_vim_data )
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def _PathToServerScript():
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dir_of_current_script = os.path.dirname( os.path.abspath( __file__ ) )
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return os.path.join( dir_of_current_script, '../../third_party/ycmd/ycmd' )
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def _AddUltiSnipsDataIfNeeded( extra_data ):
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if not USE_ULTISNIPS_DATA:
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return
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try:
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rawsnips = UltiSnips_Manager._snips( '', 1 )
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except:
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return
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# UltiSnips_Manager._snips() returns a class instance where:
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# class.trigger - name of snippet trigger word ( e.g. defn or testcase )
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# class.description - description of the snippet
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extra_data[ 'ultisnips_snippets' ] = [ { 'trigger': x.trigger,
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'description': x.description
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} for x in rawsnips ]
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