hydrus/hydrus/hydrus_client_boot.py

285 lines
8.1 KiB
Python

#!/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
import locale
try: locale.setlocale( locale.LC_ALL, '' )
except: pass
import sys
try:
import os
import argparse
from hydrus.core import HydrusBoot
HydrusBoot.AddBaseDirToEnvPath()
# initialise Qt here, important it is done early
from hydrus.client.gui import QtInit
from hydrus.core import HydrusConstants as HC
HC.RUNNING_CLIENT = True
from hydrus.core import HydrusData
from hydrus.core import HydrusGlobals as HG
from hydrus.core import HydrusLogger
from hydrus.core import HydrusPaths
from hydrus.core import HydrusTemp
from hydrus.core import HydrusTime
argparser = argparse.ArgumentParser( description = 'hydrus network client' )
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=256)' )
argparser.add_argument( '--db_transaction_commit_period', type = int, help = 'override how often (in seconds) database changes are saved to disk (default=30,min=10)' )
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( '--profile_mode', action='store_true', help = 'start the program with profile mode on, capturing boot performance' )
argparser.add_argument( '--win_qt_darkmode_test', action='store_true', help = 'Try Qt\'s automatic darkmode recognition.' )
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.DirectoryIsWriteable( db_dir ) or HC.RUNNING_FROM_MACOS_APP:
if HC.USERPATH_DB_DIR is None:
raise Exception( 'The default db path "{}" was not writeable, and the userpath could not be determined!'.format( HC.DEFAULT_DB_DIR ) )
db_dir = HC.USERPATH_DB_DIR
else:
db_dir = result.db_dir
db_dir = HydrusPaths.ConvertPortablePathToAbsPath( db_dir, HC.BASE_DIR )
if not HydrusPaths.DirectoryIsWriteable( db_dir ):
message = 'The given db path "{}" is not a writeable-to!'.format( db_dir )
db_dir = HC.USERPATH_DB_DIR
raise Exception( message )
try:
HydrusPaths.MakeSureDirectoryExists( db_dir )
except:
message = 'Could not ensure db path "{}" exists! Check the location is correct and that you have permission to write to it!'.format( db_dir )
db_dir = HC.USERPATH_DB_DIR
raise Exception( message )
if not os.path.isdir( db_dir ):
message = 'The given db path "{}" is not a directory!'.format( db_dir )
db_dir = HC.USERPATH_DB_DIR
raise Exception( message )
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 = 256
if result.db_transaction_commit_period is not None:
HG.db_transaction_commit_period = max( 10, result.db_transaction_commit_period )
else:
HG.db_transaction_commit_period = 30
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
HG.profile_mode = result.profile_mode
HG.profile_start_time = HydrusTime.GetNow()
if HC.PLATFORM_WINDOWS and result.win_qt_darkmode_test:
QtInit.DoWinDarkMode()
try:
from twisted.internet import reactor
except Exception as e:
import traceback
HG.twisted_is_broke_exception = traceback.format_exc()
HG.twisted_is_broke = True
if result.temp_dir is not None:
HydrusTemp.SetEnvTempDir( result.temp_dir )
except Exception as e:
try:
HydrusData.DebugPrint( 'Critical boot error occurred! Details written to crash.log!' )
HydrusData.PrintException( e )
except:
pass
import traceback
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!' )
sys.exit( 1 )
def boot():
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' )
import traceback
HydrusData.Print( traceback.format_exc() )
finally:
HG.started_shutdown = True
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()