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client.pyw
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client.pyw
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#!/usr/bin/env python3
# Hydrus is released under WTFPL
# You just DO WHAT THE FUCK YOU WANT TO.
# https://github.com/sirkris/WTFPL/blob/master/WTFPL.md
try:
import locale
try: locale.setlocale( locale.LC_ALL, '' )
except: pass
import os
import argparse
import traceback
from hydrus.core import HydrusBoot
HydrusBoot.AddBaseDirToEnvPath()
# initialise Qt here, important it is done early
from hydrus.client.gui import QtPorting as QP
from hydrus.core import HydrusConstants as HC
from hydrus.core import HydrusPaths
from hydrus.core import HydrusGlobals as HG
argparser = argparse.ArgumentParser( description = 'hydrus network client (windowed)' )
argparser.add_argument( '-d', '--db_dir', help = 'set an external db location' )
argparser.add_argument( '--temp_dir', help = 'override the program\'s temporary directory' )
argparser.add_argument( '--db_journal_mode', default = 'WAL', choices = [ 'WAL', 'TRUNCATE', 'PERSIST', 'MEMORY' ], help = 'change db journal mode (default=WAL)' )
argparser.add_argument( '--db_cache_size', type = int, help = 'override SQLite cache_size per db file, in MB (default=200)' )
argparser.add_argument( '--db_synchronous_override', type = int, choices = range(4), help = 'override SQLite Synchronous PRAGMA (default=2)' )
argparser.add_argument( '--no_db_temp_files', action='store_true', help = 'run db temp operations entirely in memory' )
argparser.add_argument( '--boot_debug', action='store_true', help = 'print additional bootup information to the log' )
argparser.add_argument( '--no_daemons', action='store_true', help = 'run without background daemons' )
argparser.add_argument( '--no_wal', action='store_true', help = 'OBSOLETE: run using TRUNCATE db journaling' )
argparser.add_argument( '--db_memory_journaling', action='store_true', help = 'OBSOLETE: run using MEMORY db journaling (DANGEROUS)' )
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_MACOS_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.db_journal_mode = result.db_journal_mode
if result.no_wal:
HG.db_journal_mode = 'TRUNCATE'
if result.db_memory_journaling:
HG.db_journal_mode = 'MEMORY'
if result.db_cache_size is not None:
HG.db_cache_size = result.db_cache_size
else:
HG.db_cache_size = 200
if result.db_synchronous_override is not None:
HG.db_synchronous = int( result.db_synchronous_override )
else:
if HG.db_journal_mode == 'WAL':
HG.db_synchronous = 1
else:
HG.db_synchronous = 2
HG.no_db_temp_files = result.no_db_temp_files
HG.boot_debug = result.boot_debug
if result.temp_dir is not None:
HydrusPaths.SetEnvTempDir( result.temp_dir )
from hydrus.core import HydrusData
from hydrus.core import HydrusLogger
try:
from twisted.internet import reactor
except:
HG.twisted_is_broke = True
except Exception as e:
try:
from hydrus.core import HydrusData
HydrusData.DebugPrint( 'Critical boot error occurred! Details written to crash.log!' )
HydrusData.PrintException( e )
except:
pass
error_trace = traceback.format_exc()
print( error_trace )
if 'db_dir' in locals() and os.path.exists( db_dir ):
emergency_dir = db_dir
else:
emergency_dir = os.path.expanduser( '~' )
possible_desktop = os.path.join( emergency_dir, 'Desktop' )
if os.path.exists( possible_desktop ) and os.path.isdir( possible_desktop ):
emergency_dir = possible_desktop
dest_path = os.path.join( emergency_dir, 'hydrus_crash.log' )
with open( dest_path, 'w', encoding = 'utf-8' ) as f:
f.write( error_trace )
print( 'Critical boot error occurred! Details written to hydrus_crash.log in either db dir or user dir!' )
import sys
sys.exit( 1 )
controller = None
with HydrusLogger.HydrusLogger( db_dir, 'client' ) as logger:
try:
HydrusData.Print( 'hydrus client started' )
if not HG.twisted_is_broke:
import threading
threading.Thread( target = reactor.run, name = 'twisted', kwargs = { 'installSignalHandlers' : 0 } ).start()
from hydrus.client import ClientController
controller = ClientController.Controller( db_dir )
controller.Run()
except:
HydrusData.Print( 'hydrus client failed' )
HydrusData.Print( traceback.format_exc() )
finally:
HG.view_shutdown = True
HG.model_shutdown = True
if controller is not None:
controller.pubimmediate( 'wake_daemons' )
if not HG.twisted_is_broke:
reactor.callFromThread( reactor.stop )
HydrusData.Print( 'hydrus client shut down' )
HG.shutdown_complete = True
if HG.restart:
HydrusData.RestartProcess()