import bs4 import collections import cProfile import io from . import HydrusConstants as HC from . import HydrusExceptions from . import HydrusGlobals as HG from . import HydrusSerialisable from . import HydrusText import locale import os import pstats import psutil import random import re import shutil import sqlite3 import struct import subprocess import sys import threading import time import traceback import yaml import itertools def default_dict_list(): return collections.defaultdict( list ) def default_dict_set(): return collections.defaultdict( set ) def BuildKeyToListDict( pairs ): d = collections.defaultdict( list ) for ( key, value ) in pairs: d[ key ].append( value ) return d def BuildKeyToSetDict( pairs ): d = collections.defaultdict( set ) for ( key, value ) in pairs: d[ key ].add( value ) return d def CalculateScoreFromRating( count, rating ): # http://www.evanmiller.org/how-not-to-sort-by-average-rating.html positive = count * rating negative = count * ( 1.0 - rating ) # positive + negative = count # I think I've parsed this correctly from the website! Not sure though! score = ( ( positive + 1.9208 ) / count - 1.96 * ( ( ( positive * negative ) / count + 0.9604 ) ** 0.5 ) / count ) / ( 1 + 3.8416 / count ) return score def CleanRunningFile( db_path, instance ): path = os.path.join( db_path, instance + '_running' ) try: os.remove( path ) except: pass def ConvertFloatToPercentage( f ): return '{:.1f}%'.format( f * 100 ) def ConvertIntToPixels( i ): if i == 1: return 'pixels' elif i == 1000: return 'kilopixels' elif i == 1000000: return 'megapixels' else: return 'megapixels' def ConvertIntToPrettyOrdinalString( num ): remainder = num % 10 if remainder == 1: ordinal = 'st' elif remainder == 2: ordinal = 'nd' elif remainder == 3: ordinal = 'rd' else: ordinal = 'th' return ToHumanInt( num ) + ordinal def ConvertIntToUnit( unit ): if unit == 1: return 'B' elif unit == 1024: return 'KB' elif unit == 1048576: return 'MB' elif unit == 1073741824: return 'GB' def ConvertMillisecondsToPrettyTime( ms ): hours = ms // 3600000 if hours == 1: hours_result = '1 hour' else: hours_result = str( hours ) + ' hours' ms = ms % 3600000 minutes = ms // 60000 if minutes == 1: minutes_result = '1 minute' else: minutes_result = str( minutes ) + ' minutes' ms = ms % 60000 seconds = ms // 1000 if seconds == 1: seconds_result = '1 second' else: seconds_result = str( seconds ) + ' seconds' detailed_seconds = ms / 1000 detailed_seconds_result = '{:.1f} seconds'.format( detailed_seconds ) ms = ms % 1000 if hours > 0: return hours_result + ' ' + minutes_result if minutes > 0: return minutes_result + ' ' + seconds_result if seconds > 0: return detailed_seconds_result ms = int( ms ) if ms == 1: milliseconds_result = '1 millisecond' else: milliseconds_result = '{} milliseconds'.format( ms ) return milliseconds_result def ConvertNumericalRatingToPrettyString( lower, upper, rating, rounded_result = False, out_of = True ): rating_converted = ( rating * ( upper - lower ) ) + lower if rounded_result: rating_converted = round( rating_converted ) s = '{:.2f}'.format( rating_converted ) if out_of and lower in ( 0, 1 ): s += '/{:.2f}'.format( upper ) return s def ConvertPixelsToInt( unit ): if unit == 'pixels': return 1 elif unit == 'kilopixels': return 1000 elif unit == 'megapixels': return 1000000 def ConvertPrettyStringsToUglyNamespaces( pretty_strings ): result = { s for s in pretty_strings if s != 'no namespace' } if 'no namespace' in pretty_strings: result.add( '' ) return result def ConvertResolutionToPrettyString( resolution ): ( width, height ) = resolution return ToHumanInt( width ) + 'x' + ToHumanInt( height ) def ConvertStatusToPrefix( status ): if status == HC.CONTENT_STATUS_CURRENT: return '' elif status == HC.CONTENT_STATUS_PENDING: return '(+) ' elif status == HC.CONTENT_STATUS_PETITIONED: return '(-) ' elif status == HC.CONTENT_STATUS_DELETED: return '(X) ' def TimeDeltaToPrettyTimeDelta( seconds, show_seconds = True ): if seconds is None: return 'per month' if seconds == 0: return '0 seconds' if seconds < 0: seconds = abs( seconds ) if seconds >= 60: seconds = int( seconds ) MINUTE = 60 HOUR = 60 * MINUTE DAY = 24 * HOUR MONTH = 30 * DAY YEAR = 12 * MONTH lines = [] lines.append( ( 'year', YEAR ) ) lines.append( ( 'month', MONTH ) ) lines.append( ( 'day', DAY ) ) lines.append( ( 'hour', HOUR ) ) lines.append( ( 'minute', MINUTE ) ) if show_seconds: lines.append( ( 'second', 1 ) ) result_components = [] for ( time_string, duration ) in lines: time_quantity = seconds // duration seconds %= duration if time_quantity > 0: s = ToHumanInt( time_quantity ) + ' ' + time_string if time_quantity > 1: s += 's' result_components.append( s ) if len( result_components ) == 2: # we now have 1 month 2 days break else: if len( result_components ) > 0: # something like '1 year' -- in which case we do not care about the days and hours break result = ' '.join( result_components ) elif seconds > 1: if int( seconds ) == seconds: result = ToHumanInt( seconds ) + ' seconds' else: result = '{:.1f} seconds'.format( seconds ) elif seconds == 1: result = '1 second' elif seconds > 0.1: result = '{} milliseconds'.format( int( seconds * 1000 ) ) elif seconds > 0.01: result = '{:.1f} milliseconds'.format( int( seconds * 1000 ) ) elif seconds > 0.001: result = '{:.2f} milliseconds'.format( int( seconds * 1000 ) ) else: result = '{} microseconds'.format( int( seconds * 1000000 ) ) return result def ConvertTimestampToPrettyExpires( timestamp ): if timestamp is None: return 'does not expire' if timestamp == 0: return 'unknown expiration' try: time_delta_string = TimestampToPrettyTimeDelta( timestamp ) if TimeHasPassed( timestamp ): return 'expired ' + time_delta_string else: return 'expires ' + time_delta_string except: return 'unparseable time {}'.format( timestamp ) def ConvertTimestampToPrettyTime( timestamp, in_gmt = False, include_24h_time = True ): if timestamp is None: return 'no time given' if include_24h_time: phrase = '%Y/%m/%d %H:%M:%S' else: phrase = '%Y/%m/%d' try: if in_gmt: struct_time = time.gmtime( timestamp ) phrase = phrase + ' GMT' else: struct_time = time.localtime( timestamp ) return time.strftime( phrase, struct_time ) except: return 'unparseable time {}'.format( timestamp ) def TimestampToPrettyTimeDelta( timestamp, just_now_string = 'now', just_now_threshold = 3, show_seconds = True ): if timestamp is None: timestamp = 0 if HG.client_controller.new_options.GetBoolean( 'always_show_iso_time' ): return ConvertTimestampToPrettyTime( timestamp ) if not show_seconds: just_now_threshold = max( just_now_threshold, 60 ) try: time_delta = abs( timestamp - GetNow() ) if time_delta <= just_now_threshold: return just_now_string time_delta_string = TimeDeltaToPrettyTimeDelta( time_delta, show_seconds = show_seconds ) if TimeHasPassed( timestamp ): return time_delta_string + ' ago' else: return 'in ' + time_delta_string except: return 'unparseable time {}'.format( timestamp ) def ConvertUglyNamespaceToPrettyString( namespace ): if namespace is None or namespace == '': return 'no namespace' else: return namespace def ConvertUglyNamespacesToPrettyStrings( namespaces ): namespaces = list( namespaces ) namespaces.sort() result = [ ConvertUglyNamespaceToPrettyString( namespace ) for namespace in namespaces ] return result def ConvertUnitToInt( unit ): if unit == 'B': return 1 elif unit == 'KB': return 1024 elif unit == 'MB': return 1048576 elif unit == 'GB': return 1073741824 def ConvertValueRangeToBytes( value, range ): return ToHumanBytes( value ) + '/' + ToHumanBytes( range ) def ConvertValueRangeToPrettyString( value, range ): return ToHumanInt( value ) + '/' + ToHumanInt( range ) def ConvertValueRangeToScanbarTimestampsMS( value_ms, range_ms ): value_ms = int( round( value_ms ) ) range_hours = range_ms // 3600000 value_hours = value_ms // 3600000 range_minutes = ( range_ms % 3600000 ) // 60000 value_minutes = ( value_ms % 3600000 ) // 60000 range_seconds = ( range_ms % 60000 ) // 1000 value_seconds = ( value_ms % 60000 ) // 1000 range_ms = range_ms % 1000 value_ms = value_ms % 1000 if range_hours > 0: # 0:01:23.033/1:12:57.067 time_phrase = '{}:{:0>2}:{:0>2}.{:0>3}' args = ( value_hours, value_minutes, value_seconds, value_ms, range_hours, range_minutes, range_seconds, range_ms ) elif range_minutes > 0: # 01:23.033/12:57.067 or 0:23.033/1:57.067 if range_minutes > 9: time_phrase = '{:0>2}:{:0>2}.{:0>3}' else: time_phrase = '{:0>1}:{:0>2}.{:0>3}' args = ( value_minutes, value_seconds, value_ms, range_minutes, range_seconds, range_ms ) else: # 23.033/57.067 or 3.033/7.067 or 0.033/0.067 if range_seconds > 9: time_phrase = '{:0>2}.{:0>3}' else: time_phrase = '{:0>1}.{:0>3}' args = ( value_seconds, value_ms, range_seconds, range_ms ) full_phrase = '{}/{}'.format( time_phrase, time_phrase ) result = full_phrase.format( *args ) return result def DebugPrint( debug_info ): Print( debug_info ) sys.stdout.flush() sys.stderr.flush() def DedupeList( xs ): xs_seen = set() xs_return = [] for x in xs: if x in xs_seen: continue xs_return.append( x ) xs_seen.add( x ) return xs_return def GenerateKey(): return os.urandom( HC.HYDRUS_KEY_LENGTH ) def Get64BitHammingDistance( phash1, phash2 ): # old way of doing this was: #while xor > 0: # # distance += 1 # xor &= xor - 1 # # convert to unsigned long long, then xor # then through the power of stackexchange magic, we get number of bits in record time # Here it is: https://stackoverflow.com/questions/9829578/fast-way-of-counting-non-zero-bits-in-positive-integer/9830282#9830282 n = struct.unpack( '!Q', phash1 )[0] ^ struct.unpack( '!Q', phash2 )[0] n = ( n & 0x5555555555555555 ) + ( ( n & 0xAAAAAAAAAAAAAAAA ) >> 1 ) # 10101010, 01010101 n = ( n & 0x3333333333333333 ) + ( ( n & 0xCCCCCCCCCCCCCCCC ) >> 2 ) # 11001100, 00110011 n = ( n & 0x0F0F0F0F0F0F0F0F ) + ( ( n & 0xF0F0F0F0F0F0F0F0 ) >> 4 ) # 11110000, 00001111 n = ( n & 0x00FF00FF00FF00FF ) + ( ( n & 0xFF00FF00FF00FF00 ) >> 8 ) # etc... n = ( n & 0x0000FFFF0000FFFF ) + ( ( n & 0xFFFF0000FFFF0000 ) >> 16 ) n = ( n & 0x00000000FFFFFFFF ) + ( n >> 32 ) # you technically are going n & 0xFFFFFFFF00000000 at the end, but that's a no-op with the >> 32 afterwards, so can be omitted return n def GetEmptyDataDict(): data = collections.defaultdict( default_dict_list ) return data def GetNow(): return int( time.time() ) def GetNowFloat(): return time.time() def GetNowPrecise(): if HC.PLATFORM_WINDOWS: return time.clock() else: return time.time() def GetSiblingProcessPorts( db_path, instance ): path = os.path.join( db_path, instance + '_running' ) if os.path.exists( path ): with open( path, 'r', encoding = 'utf-8' ) as f: file_text = f.read() try: ( pid, create_time ) = HydrusText.DeserialiseNewlinedTexts( file_text ) pid = int( pid ) create_time = float( create_time ) except ValueError: return None try: if psutil.pid_exists( pid ): ports = [] p = psutil.Process( pid ) for conn in p.connections(): if conn.status == 'LISTEN': ports.append( int( conn.laddr[1] ) ) return ports except psutil.Error: return None return None def GetSubprocessEnv(): if HG.subprocess_report_mode: env = os.environ.copy() ShowText( 'Your unmodified env is: {}'.format( env ) ) if HC.RUNNING_FROM_FROZEN_BUILD: # let's make a proper env for subprocess that doesn't have pyinstaller woo woo in it env = os.environ.copy() changes_made = False lp_key = 'LD_LIBRARY_PATH' lp_orig_key = lp_key + '_ORIG' if lp_orig_key in env: env[ lp_key ] = env[ lp_orig_key ] changes_made = True elif lp_key in env: del env[ lp_key ] changes_made = True if ( HC.PLATFORM_LINUX or HC.PLATFORM_OSX ) and 'PATH' in env: # fix for pyinstaller, which drops this stuff for some reason and hence breaks ffmpeg path = env[ 'PATH' ] path_locations = set( path.split( ':' ) ) desired_path_locations = [ '/usr/bin', '/usr/local/bin' ] for desired_path_location in desired_path_locations: if desired_path_location not in path_locations: path = desired_path_location + ':' + path env[ 'PATH' ] = path changes_made = True if not changes_made: env = None else: env = None return env def GetSubprocessHideTerminalStartupInfo(): if HC.PLATFORM_WINDOWS: # This suppresses the terminal window that tends to pop up when calling ffmpeg or whatever startupinfo = subprocess.STARTUPINFO() startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW else: startupinfo = None return startupinfo def GetSubprocessKWArgs( hide_terminal = True, text = False ): sbp_kwargs = {} sbp_kwargs[ 'env' ] = GetSubprocessEnv() if text: # probably need to override the stdXXX pipes with i/o encoding wrappers in the case of 3.5 here if sys.version_info.minor >= 6: sbp_kwargs[ 'encoding' ] = 'utf-8' if sys.version_info.minor >= 7: sbp_kwargs[ 'text' ] = True else: sbp_kwargs[ 'universal_newlines' ] = True if hide_terminal: sbp_kwargs[ 'startupinfo' ] = GetSubprocessHideTerminalStartupInfo() if HG.subprocess_report_mode: message = 'KWargs are: {}'.format( sbp_kwargs ) ShowText( message ) return sbp_kwargs def GetTimeDeltaSinceTime( timestamp ): time_since = timestamp - GetNow() result = min( time_since, 0 ) return - result def GetTimeDeltaUntilTime( timestamp ): time_remaining = timestamp - GetNow() return max( time_remaining, 0 ) def GetTimeDeltaUntilTimeFloat( timestamp ): time_remaining = timestamp - GetNowFloat() return max( time_remaining, 0.0 ) def GetTimeDeltaUntilTimePrecise( t ): time_remaining = t - GetNowPrecise() return max( time_remaining, 0.0 ) def GetTypeName( obj_type ): if hasattr( obj_type, '__name__' ): return obj_type.__name__ else: return repr( obj_type ) def GenerateHumanTextSortKey(): """Solves the 19, 20, 200, 21, 22 issue when sorting 'Page 21.jpg' type strings. Breaks the string into groups of text and int (i.e. ( "Page ", 21, ".jpg" ) ).""" int_convert = lambda t: int( t ) if t.isdecimal() else t split_alphanum = lambda t: tuple( ( int_convert( sub_t ) for sub_t in re.split( '([0-9]+)', t.lower() ) ) ) return split_alphanum HumanTextSortKey = GenerateHumanTextSortKey() def HumanTextSort( texts ): texts.sort( key = HumanTextSortKey ) def IntelligentMassIntersect( sets_to_reduce ): answer = None def get_len( item ): return len( item ) for set_to_reduce in sets_to_reduce: if len( set_to_reduce ) == 0: return set() if answer is None: answer = set( set_to_reduce ) else: if len( answer ) == 0: return set() else: answer.intersection_update( set_to_reduce ) if answer is None: return set() else: return answer def IsAlreadyRunning( db_path, instance ): path = os.path.join( db_path, instance + '_running' ) if os.path.exists( path ): with open( path, 'r', encoding = 'utf-8' ) as f: file_text = f.read() try: ( pid, create_time ) = HydrusText.DeserialiseNewlinedTexts( file_text ) pid = int( pid ) create_time = float( create_time ) except ValueError: return False try: me = psutil.Process() if me.pid == pid and me.create_time() == create_time: # this is me! there is no conflict, lol! # this happens when a linux process restarts with os.execl(), for instance (unlike Windows, it keeps its pid) return False if psutil.pid_exists( pid ): p = psutil.Process( pid ) if p.create_time() == create_time and p.is_running(): return True except psutil.Error: return False return False def IterateHexPrefixes(): hex_chars = '0123456789abcdef' for ( one, two ) in itertools.product( hex_chars, hex_chars ): prefix = one + two yield prefix def LastShutdownWasBad( db_path, instance ): path = os.path.join( db_path, instance + '_running' ) if os.path.exists( path ): return True else: return False def MassUnion( lists ): return { item for item in itertools.chain.from_iterable( lists ) } def MedianPop( population ): # assume it has at least one and comes sorted median_index = len( population ) // 2 row = population.pop( median_index ) return row def MergeKeyToListDicts( key_to_list_dicts ): result = collections.defaultdict( list ) for key_to_list_dict in key_to_list_dicts: for ( key, value ) in list(key_to_list_dict.items()): result[ key ].extend( value ) return result def Print( text ): try: print( str( text ) ) except: print( repr( text ) ) ShowText = Print def PrintException( e, do_wait = True ): if isinstance( e, HydrusExceptions.ShutdownException ): return etype = type( e ) ( etype, value, tb ) = sys.exc_info() if etype is None: etype = type( e ) value = str( e ) trace = 'No error trace' else: trace = ''.join( traceback.format_exception( etype, value, tb ) ) stack_list = traceback.format_stack() stack = ''.join( stack_list ) message = str( etype.__name__ ) + ': ' + str( value ) + os.linesep + trace + os.linesep + stack Print( '' ) Print( 'Exception:' ) DebugPrint( message ) if do_wait: time.sleep( 1 ) ShowException = PrintException def Profile( summary, code, g, l, min_duration_ms = 20 ): profile = cProfile.Profile() started = GetNowPrecise() profile.runctx( code, g, l ) finished = GetNowPrecise() time_took = finished - started time_took_ms = int( time_took * 1000.0 ) if time_took_ms > min_duration_ms: output = io.StringIO() stats = pstats.Stats( profile, stream = output ) stats.strip_dirs() stats.sort_stats( 'tottime' ) output.write( 'Stats' ) output.write( os.linesep * 2 ) stats.print_stats() output.write( 'Callers' ) output.write( os.linesep * 2 ) stats.print_callers() output.seek( 0 ) details = output.read() else: summary += ' - It took ' + TimeDeltaToPrettyTimeDelta( time_took ) + '.' details = '' HG.controller.PrintProfile( summary, details ) def PullNFromIterator( iterator, n ): chunk = [] for item in iterator: chunk.append( item ) if len( chunk ) == n: return chunk return chunk def RandomPop( population ): random_index = random.randint( 0, len( population ) - 1 ) row = population.pop( random_index ) return row def RecordRunningStart( db_path, instance ): path = os.path.join( db_path, instance + '_running' ) record_string = '' try: me = psutil.Process() record_string += str( me.pid ) record_string += os.linesep record_string += str( me.create_time() ) except psutil.Error: return with open( path, 'w', encoding = 'utf-8' ) as f: f.write( record_string ) def RestartProcess(): time.sleep( 1 ) # time for ports to unmap exe = sys.executable me = sys.argv[0] if HC.RUNNING_FROM_SOURCE: # exe is python's exe, me is the script args = [ sys.executable ] + sys.argv else: # we are running a frozen release--both exe and me are the built exe # wrap it in quotes because pyinstaller passes it on as raw text, breaking any path with spaces :/ args = [ '"' + me + '"' ] + sys.argv[1:] os.execv( exe, args ) def SplayListForDB( xs ): return '(' + ','.join( ( str( x ) for x in xs ) ) + ')' def SplitIteratorIntoChunks( iterator, n ): chunk = [] for item in iterator: chunk.append( item ) if len( chunk ) == n: yield chunk chunk = [] if len( chunk ) > 0: yield chunk def SplitIteratorIntoAutothrottledChunks( iterator, starting_n, precise_time_to_stop ): n = starting_n chunk = PullNFromIterator( iterator, n ) while len( chunk ) > 0: time_work_started = GetNowPrecise() yield chunk work_time = GetNowPrecise() - time_work_started items_per_second = n / work_time time_remaining = precise_time_to_stop - GetNowPrecise() if TimeHasPassedPrecise( precise_time_to_stop ): n = 1 else: expected_items_in_remaining_time = max( 1, int( time_remaining * items_per_second ) ) quad_speed = n * 4 n = min( quad_speed, expected_items_in_remaining_time ) chunk = PullNFromIterator( iterator, n ) def SplitListIntoChunks( xs, n ): if isinstance( xs, set ): xs = list( xs ) for i in range( 0, len( xs ), n ): yield xs[ i : i + n ] def SplitMappingIteratorIntoAutothrottledChunks( iterator, starting_n, precise_time_to_stop ): n = starting_n chunk_weight = 0 chunk = [] for ( tag_item, hash_items ) in iterator: hash_item_iterator = iter( hash_items ) chunk_of_hash_items = PullNFromIterator( hash_item_iterator, max( 1, n - chunk_weight ) ) while len( chunk_of_hash_items ) > 0: chunk.append( ( tag_item, chunk_of_hash_items ) ) chunk_weight += len( chunk_of_hash_items ) if chunk_weight >= n: time_work_started = GetNowPrecise() yield chunk chunk_weight = 0 chunk = [] work_time = GetNowPrecise() - time_work_started items_per_second = n / work_time time_remaining = precise_time_to_stop - GetNowPrecise() if TimeHasPassedPrecise( precise_time_to_stop ): n = 1 else: expected_items_in_remaining_time = max( 1, int( time_remaining * items_per_second ) ) quad_speed = n * 4 n = min( quad_speed, expected_items_in_remaining_time ) chunk_of_hash_items = PullNFromIterator( hash_item_iterator, max( 1, n - chunk_weight ) ) if len( chunk ) > 0: yield chunk def SplitMappingIteratorIntoChunks( xs, n ): chunk_weight = 0 chunk = [] for ( tag_item, hash_items ) in xs: for chunk_of_hash_items in SplitIteratorIntoChunks( hash_items, n ): chunk.append( ( tag_item, chunk_of_hash_items ) ) chunk_weight += len( chunk_of_hash_items ) if chunk_weight > n: yield chunk chunk_weight = 0 chunk = [] if len( chunk ) > 0: yield chunk def SplitMappingListIntoChunks( xs, n ): chunk_weight = 0 chunk = [] for ( tag_item, hash_items ) in xs: for chunk_of_hash_items in SplitListIntoChunks( hash_items, n ): chunk.append( ( tag_item, chunk_of_hash_items ) ) chunk_weight += len( chunk_of_hash_items ) if chunk_weight > n: yield chunk chunk_weight = 0 chunk = [] if len( chunk ) > 0: yield chunk def TimeHasPassed( timestamp ): if timestamp is None: return False return GetNow() > timestamp def TimeHasPassedFloat( timestamp ): return GetNowFloat() > timestamp def TimeHasPassedPrecise( precise_timestamp ): return GetNowPrecise() > precise_timestamp def TimeUntil( timestamp ): return timestamp - GetNow() def ToHumanBytes( size ): if size is None: return 'unknown size' if size < 1024: return ToHumanInt( size ) + 'B' suffixes = ( '', 'K', 'M', 'G', 'T', 'P' ) suffix_index = 0 while size >= 1024: size = size / 1024 suffix_index += 1 suffix = suffixes[ suffix_index ] if size < 10.0: # 3.1MB return '{:.1f}{}B'.format( size, suffix ) else: # 23MB return '{:.0f}{}B'.format( size, suffix ) def ToHumanInt( num ): text = locale.format_string( '%d', num, grouping = True ) return text def WaitForProcessToFinish( p, timeout ): started = GetNow() while p.poll() is None: if TimeHasPassed( started + timeout ): p.kill() raise Exception( 'Process did not finish within ' + ToHumanInt( timeout ) + ' seconds!' ) time.sleep( 2 ) class HydrusYAMLBase( yaml.YAMLObject ): yaml_loader = yaml.SafeLoader yaml_dumper = yaml.SafeDumper class AccountIdentifier( HydrusSerialisable.SerialisableBase ): SERIALISABLE_TYPE = HydrusSerialisable.SERIALISABLE_TYPE_ACCOUNT_IDENTIFIER SERIALISABLE_NAME = 'Account Identifier' SERIALISABLE_VERSION = 1 TYPE_ACCOUNT_KEY = 1 TYPE_CONTENT = 2 def __init__( self, account_key = None, content = None ): HydrusYAMLBase.__init__( self ) if account_key is not None: self._type = self.TYPE_ACCOUNT_KEY self._data = account_key elif content is not None: self._type = self.TYPE_CONTENT self._data = content def __eq__( self, other ): return self.__hash__() == other.__hash__() def __hash__( self ): return ( self._type, self._data ).__hash__() def __ne__( self, other ): return self.__hash__() != other.__hash__() def __repr__( self ): return 'Account Identifier: ' + str( ( self._type, self._data ) ) def _GetSerialisableInfo( self ): if self._type == self.TYPE_ACCOUNT_KEY: serialisable_data = self._data.hex() elif self._type == self.TYPE_CONTENT: serialisable_data = self._data.GetSerialisableTuple() return ( self._type, serialisable_data ) def _InitialiseFromSerialisableInfo( self, serialisable_info ): ( self._type, serialisable_data ) = serialisable_info if self._type == self.TYPE_ACCOUNT_KEY: self._data = bytes.fromhex( serialisable_data ) elif self._type == self.TYPE_CONTENT: self._data = HydrusSerialisable.CreateFromSerialisableTuple( serialisable_data ) def GetData( self ): return self._data def HasAccountKey( self ): return self._type == self.TYPE_ACCOUNT_KEY def HasContent( self ): return self._type == self.TYPE_CONTENT HydrusSerialisable.SERIALISABLE_TYPES_TO_OBJECT_TYPES[ HydrusSerialisable.SERIALISABLE_TYPE_ACCOUNT_IDENTIFIER ] = AccountIdentifier class AccountType( HydrusYAMLBase ): yaml_tag = '!AccountType' def __init__( self, title, permissions, max_monthly_data ): HydrusYAMLBase.__init__( self ) self._title = title self._permissions = permissions self._max_monthly_data = max_monthly_data def __repr__( self ): return self.ConvertToString() def GetPermissions( self ): return self._permissions def GetTitle( self ): return self._title def GetMaxBytes( self ): ( max_num_bytes, max_num_requests ) = self._max_monthly_data return max_num_bytes def GetMaxRequests( self ): ( max_num_bytes, max_num_requests ) = self._max_monthly_data return max_num_requests def GetMaxBytesString( self ): ( max_num_bytes, max_num_requests ) = self._max_monthly_data if max_num_bytes is None: max_num_bytes_string = 'No limit' else: max_num_bytes_string = ToHumanBytes( max_num_bytes ) return max_num_bytes_string def GetMaxRequestsString( self ): ( max_num_bytes, max_num_requests ) = self._max_monthly_data if max_num_requests is None: max_num_requests_string = 'No limit' else: max_num_requests_string = ToHumanInt( max_num_requests ) return max_num_requests_string def ConvertToString( self ): result_string = self._title + ' with ' if self._permissions == [ HC.UNKNOWN_PERMISSION ]: result_string += 'no permissions' else: result_string += ', '.join( [ HC.permissions_string_lookup[ permission ] for permission in self._permissions ] ) + ' permissions' return result_string def IsUnknownAccountType( self ): return self._permissions == [ HC.UNKNOWN_PERMISSION ] def HasPermission( self, permission ): return permission in self._permissions sqlite3.register_adapter( AccountType, yaml.safe_dump ) class BigJobPauser( object ): def __init__( self, period = 10, wait_time = 0.1 ): self._period = period self._wait_time = wait_time self._next_pause = GetNow() + self._period def Pause( self ): if TimeHasPassed( self._next_pause ): time.sleep( self._wait_time ) self._next_pause = GetNow() + self._period class Call( object ): def __init__( self, func, *args, **kwargs ): self._func = func self._args = args self._kwargs = kwargs def __call__( self ): self._func( *self._args, **self._kwargs ) def __repr__( self ): return 'Call: ' + repr( ( self._func, self._args, self._kwargs ) ) class ContentUpdate( object ): def __init__( self, data_type, action, row, reason = None ): self._data_type = data_type self._action = action self._row = row self._reason = reason def __eq__( self, other ): return hash( self ) == hash( other ) def __ne__( self, other ): return not self.__eq__( other ) def __hash__( self ): return hash( ( self._data_type, self._action, repr( self._row ) ) ) def __repr__( self ): return 'Content Update: ' + str( ( self._data_type, self._action, self._row, self._reason ) ) def GetAction( self ): return self._action def GetDataType( self ): return self._data_type def GetHashes( self ): if self._data_type == HC.CONTENT_TYPE_FILES: if self._action == HC.CONTENT_UPDATE_ADVANCED: hashes = set() elif self._action == HC.CONTENT_UPDATE_ADD: ( file_info_manager, timestamp ) = self._row hashes = { file_info_manager.hash } else: hashes = self._row elif self._data_type == HC.CONTENT_TYPE_DIRECTORIES: hashes = set() elif self._data_type == HC.CONTENT_TYPE_URLS: ( urls, hashes ) = self._row elif self._data_type == HC.CONTENT_TYPE_MAPPINGS: if self._action == HC.CONTENT_UPDATE_ADVANCED: hashes = set() else: ( tag, hashes ) = self._row elif self._data_type in ( HC.CONTENT_TYPE_TAG_PARENTS, HC.CONTENT_TYPE_TAG_SIBLINGS ): hashes = set() elif self._data_type == HC.CONTENT_TYPE_RATINGS: if self._action == HC.CONTENT_UPDATE_ADD: ( rating, hashes ) = self._row elif self._data_type == HC.CONTENT_TYPE_NOTES: if self._action == HC.CONTENT_UPDATE_SET: ( notes, hash ) = self._row hashes = { hash } elif self._data_type == HC.CONTENT_TYPE_FILE_VIEWING_STATS: ( hash, preview_views_delta, preview_viewtime_delta, media_views_delta, media_viewtime_delta ) = self._row hashes = { hash } if not isinstance( hashes, set ): hashes = set( hashes ) return hashes def GetReason( self ): if self._reason is None: return 'No reason given.' else: return self._reason def GetWeight( self ): return len( self.GetHashes() ) def IsInboxRelated( self ): return self._action in ( HC.CONTENT_UPDATE_ARCHIVE, HC.CONTENT_UPDATE_INBOX ) def ToTuple( self ): return ( self._data_type, self._action, self._row ) class JobDatabase( object ): def __init__( self, job_type, synchronous, action, *args, **kwargs ): self._type = job_type self._synchronous = synchronous self._action = action self._args = args self._kwargs = kwargs self._result_ready = threading.Event() def GetCallableTuple( self ): return ( self._action, self._args, self._kwargs ) def GetResult( self ): time.sleep( 0.00001 ) # this one neat trick can save hassle on superquick jobs as event.wait can be laggy while True: if self._result_ready.wait( 2 ) == True: break elif HG.model_shutdown: raise HydrusExceptions.ShutdownException( 'Application quit before db could serve result!' ) if isinstance( self._result, Exception ): e = self._result raise e else: return self._result def GetType( self ): return self._type def IsSynchronous( self ): return self._synchronous def PutResult( self, result ): self._result = result self._result_ready.set() def ToString( self ): return self._type + ' ' + self._action class ServiceUpdate( object ): def __init__( self, action, row = None ): self._action = action self._row = row def ToTuple( self ): return ( self._action, self._row )