hydrus/client.py

187 lines
5.0 KiB
Python

#!/usr/bin/env python3
# This program is free software. It comes without any warranty, to
# the extent permitted by applicable law. You can redistribute it
# and/or modify it under the terms of the Do What The Fuck You Want
# To Public License, Version 2, as published by Sam Hocevar. See
# http://sam.zoy.org/wtfpl/COPYING for more details.
try:
from include import HydrusPy2To3
import wx
HydrusPy2To3.do_2to3_test( wx_error_display_callable = wx.SafeShowMessage )
from include import HydrusExceptions
from include import HydrusConstants as HC
from include import HydrusData
from include import HydrusPaths
import os
import sys
import time
from include import ClientController
import threading
from include import HydrusGlobals as HG
from include import HydrusLogger
import traceback
try:
from twisted.internet import reactor
except:
HG.twisted_is_broke = True
#
import argparse
argparser = argparse.ArgumentParser( description = 'hydrus network client (console)' )
argparser.add_argument( '-d', '--db_dir', help = 'set an external db location' )
argparser.add_argument( '--no_daemons', action='store_true', help = 'run without background daemons' )
argparser.add_argument( '--no_wal', action='store_true', help = 'run without WAL db journalling' )
argparser.add_argument( '--no_db_temp_files', action='store_true', help = 'run the db entirely in memory' )
argparser.add_argument( '--temp_dir', help = 'override the program\'s temporary directory' )
result = argparser.parse_args()
if result.db_dir is None:
db_dir = HC.DEFAULT_DB_DIR
if not HydrusPaths.DirectoryIsWritable( db_dir ) or HC.RUNNING_FROM_OSX_APP:
db_dir = HC.USERPATH_DB_DIR
else:
db_dir = result.db_dir
db_dir = HydrusPaths.ConvertPortablePathToAbsPath( db_dir, HC.BASE_DIR )
try:
HydrusPaths.MakeSureDirectoryExists( db_dir )
except:
raise Exception( 'Could not ensure db path "{}" exists! Check the location is correct and that you have permission to write to it!'.format( db_dir ) )
if not os.path.isdir( db_dir ):
raise Exception( 'The given db path "{}" is not a directory!'.format( db_dir ) )
if not HydrusPaths.DirectoryIsWritable( db_dir ):
raise Exception( 'The given db path "{}" is not a writable-to!'.format( db_dir ) )
HG.no_daemons = result.no_daemons
HG.no_wal = result.no_wal
HG.no_db_temp_files = result.no_db_temp_files
if result.temp_dir is not None:
HydrusPaths.SetEnvTempDir( result.temp_dir )
except Exception as e:
import traceback
import os
error_trace = traceback.format_exc()
print( error_trace )
wx.SafeShowMessage( 'critical boot error!', 'Critical boot error occurred! Details written to crash.log!' + os.linesep * 2 + str( e ) )
if 'db_dir' in locals() and os.path.exists( db_dir ):
dest_path = os.path.join( db_dir, 'crash.log' )
with open( dest_path, 'w', encoding = 'utf-8' ) as f:
f.write( error_trace )
print( 'Critical boot error occurred! Details written to crash.log!' )
sys.exit( 1 )
with HydrusLogger.HydrusLogger( db_dir, 'client' ) as logger:
try:
HydrusData.Print( 'hydrus client started' )
if not HG.twisted_is_broke:
threading.Thread( target = reactor.run, name = 'twisted', kwargs = { 'installSignalHandlers' : 0 } ).start()
controller = ClientController.Controller( db_dir )
controller.Run()
except:
HydrusData.Print( 'hydrus client failed' )
HydrusData.Print( traceback.format_exc() )
try:
message = 'The client failed to start. The error follows (it has also been written to the log in the db directory). If it is not obvious, please inform hydrus dev.'
message += os.linesep * 2
message += traceback.format_exc()
wx.SafeShowMessage( 'hydrus client failed', message )
except:
pass
finally:
HG.view_shutdown = True
HG.model_shutdown = True
try:
controller.pubimmediate( 'wake_daemons' )
except:
HydrusData.Print( traceback.format_exc() )
reactor.callFromThread( reactor.stop )
HydrusData.Print( 'hydrus client shut down' )
HG.shutdown_complete = True
if HG.restart:
HydrusData.RestartProcess()