mirror of
https://github.com/moparisthebest/SickRage
synced 2024-11-11 03:45:01 -05:00
310 lines
11 KiB
Python
310 lines
11 KiB
Python
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# Copyright (c) 2003-2005 Jimmy Retzlaff, 2008 Konstantin Yegupov
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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# Low level interface - see UnRARDLL\UNRARDLL.TXT
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from __future__ import generators
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import ctypes, ctypes.wintypes
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import os, os.path, sys
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import Queue
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import time
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from rar_exceptions import *
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ERAR_END_ARCHIVE = 10
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ERAR_NO_MEMORY = 11
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ERAR_BAD_DATA = 12
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ERAR_BAD_ARCHIVE = 13
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ERAR_UNKNOWN_FORMAT = 14
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ERAR_EOPEN = 15
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ERAR_ECREATE = 16
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ERAR_ECLOSE = 17
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ERAR_EREAD = 18
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ERAR_EWRITE = 19
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ERAR_SMALL_BUF = 20
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ERAR_UNKNOWN = 21
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RAR_OM_LIST = 0
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RAR_OM_EXTRACT = 1
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RAR_SKIP = 0
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RAR_TEST = 1
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RAR_EXTRACT = 2
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RAR_VOL_ASK = 0
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RAR_VOL_NOTIFY = 1
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RAR_DLL_VERSION = 3
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# enum UNRARCALLBACK_MESSAGES
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UCM_CHANGEVOLUME = 0
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UCM_PROCESSDATA = 1
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UCM_NEEDPASSWORD = 2
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architecture_bits = ctypes.sizeof(ctypes.c_voidp)*8
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dll_name = "unrar.dll"
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if architecture_bits == 64:
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dll_name = "x64\\unrar64.dll"
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try:
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unrar = ctypes.WinDLL(os.path.join(os.path.split(__file__)[0], 'UnRARDLL', dll_name))
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except WindowsError:
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unrar = ctypes.WinDLL(dll_name)
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class RAROpenArchiveDataEx(ctypes.Structure):
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def __init__(self, ArcName=None, ArcNameW=u'', OpenMode=RAR_OM_LIST):
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self.CmtBuf = ctypes.c_buffer(64*1024)
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ctypes.Structure.__init__(self, ArcName=ArcName, ArcNameW=ArcNameW, OpenMode=OpenMode, _CmtBuf=ctypes.addressof(self.CmtBuf), CmtBufSize=ctypes.sizeof(self.CmtBuf))
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_fields_ = [
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('ArcName', ctypes.c_char_p),
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('ArcNameW', ctypes.c_wchar_p),
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('OpenMode', ctypes.c_uint),
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('OpenResult', ctypes.c_uint),
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('_CmtBuf', ctypes.c_voidp),
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('CmtBufSize', ctypes.c_uint),
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('CmtSize', ctypes.c_uint),
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('CmtState', ctypes.c_uint),
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('Flags', ctypes.c_uint),
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('Reserved', ctypes.c_uint*32),
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]
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class RARHeaderDataEx(ctypes.Structure):
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def __init__(self):
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self.CmtBuf = ctypes.c_buffer(64*1024)
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ctypes.Structure.__init__(self, _CmtBuf=ctypes.addressof(self.CmtBuf), CmtBufSize=ctypes.sizeof(self.CmtBuf))
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_fields_ = [
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('ArcName', ctypes.c_char*1024),
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('ArcNameW', ctypes.c_wchar*1024),
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('FileName', ctypes.c_char*1024),
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('FileNameW', ctypes.c_wchar*1024),
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('Flags', ctypes.c_uint),
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('PackSize', ctypes.c_uint),
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('PackSizeHigh', ctypes.c_uint),
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('UnpSize', ctypes.c_uint),
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('UnpSizeHigh', ctypes.c_uint),
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('HostOS', ctypes.c_uint),
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('FileCRC', ctypes.c_uint),
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('FileTime', ctypes.c_uint),
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('UnpVer', ctypes.c_uint),
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('Method', ctypes.c_uint),
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('FileAttr', ctypes.c_uint),
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('_CmtBuf', ctypes.c_voidp),
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('CmtBufSize', ctypes.c_uint),
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('CmtSize', ctypes.c_uint),
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('CmtState', ctypes.c_uint),
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('Reserved', ctypes.c_uint*1024),
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]
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def DosDateTimeToTimeTuple(dosDateTime):
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"""Convert an MS-DOS format date time to a Python time tuple.
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"""
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dosDate = dosDateTime >> 16
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dosTime = dosDateTime & 0xffff
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day = dosDate & 0x1f
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month = (dosDate >> 5) & 0xf
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year = 1980 + (dosDate >> 9)
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second = 2*(dosTime & 0x1f)
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minute = (dosTime >> 5) & 0x3f
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hour = dosTime >> 11
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return time.localtime(time.mktime((year, month, day, hour, minute, second, 0, 1, -1)))
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def _wrap(restype, function, argtypes):
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result = function
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result.argtypes = argtypes
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result.restype = restype
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return result
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RARGetDllVersion = _wrap(ctypes.c_int, unrar.RARGetDllVersion, [])
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RAROpenArchiveEx = _wrap(ctypes.wintypes.HANDLE, unrar.RAROpenArchiveEx, [ctypes.POINTER(RAROpenArchiveDataEx)])
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RARReadHeaderEx = _wrap(ctypes.c_int, unrar.RARReadHeaderEx, [ctypes.wintypes.HANDLE, ctypes.POINTER(RARHeaderDataEx)])
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_RARSetPassword = _wrap(ctypes.c_int, unrar.RARSetPassword, [ctypes.wintypes.HANDLE, ctypes.c_char_p])
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def RARSetPassword(*args, **kwargs):
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_RARSetPassword(*args, **kwargs)
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RARProcessFile = _wrap(ctypes.c_int, unrar.RARProcessFile, [ctypes.wintypes.HANDLE, ctypes.c_int, ctypes.c_char_p, ctypes.c_char_p])
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RARCloseArchive = _wrap(ctypes.c_int, unrar.RARCloseArchive, [ctypes.wintypes.HANDLE])
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UNRARCALLBACK = ctypes.WINFUNCTYPE(ctypes.c_int, ctypes.c_uint, ctypes.c_long, ctypes.c_long, ctypes.c_long)
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RARSetCallback = _wrap(ctypes.c_int, unrar.RARSetCallback, [ctypes.wintypes.HANDLE, UNRARCALLBACK, ctypes.c_long])
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RARExceptions = {
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ERAR_NO_MEMORY : MemoryError,
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ERAR_BAD_DATA : ArchiveHeaderBroken,
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ERAR_BAD_ARCHIVE : InvalidRARArchive,
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ERAR_EOPEN : FileOpenError,
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}
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class PassiveReader:
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"""Used for reading files to memory"""
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def __init__(self, usercallback = None):
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self.buf = []
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self.ucb = usercallback
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def _callback(self, msg, UserData, P1, P2):
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if msg == UCM_PROCESSDATA:
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data = (ctypes.c_char*P2).from_address(P1).raw
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if self.ucb!=None:
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self.ucb(data)
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else:
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self.buf.append(data)
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return 1
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def get_result(self):
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return ''.join(self.buf)
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class RarInfoIterator(object):
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def __init__(self, arc):
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self.arc = arc
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self.index = 0
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self.headerData = RARHeaderDataEx()
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self.res = RARReadHeaderEx(self.arc._handle, ctypes.byref(self.headerData))
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if self.res==ERAR_BAD_DATA:
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raise IncorrectRARPassword
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self.arc.lockStatus = "locked"
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self.arc.needskip = False
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def __iter__(self):
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return self
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def next(self):
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if self.index>0:
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if self.arc.needskip:
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RARProcessFile(self.arc._handle, RAR_SKIP, None, None)
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self.res = RARReadHeaderEx(self.arc._handle, ctypes.byref(self.headerData))
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if self.res:
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raise StopIteration
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self.arc.needskip = True
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data = {}
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data['index'] = self.index
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data['filename'] = self.headerData.FileName
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data['datetime'] = DosDateTimeToTimeTuple(self.headerData.FileTime)
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data['isdir'] = ((self.headerData.Flags & 0xE0) == 0xE0)
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data['size'] = self.headerData.UnpSize + (self.headerData.UnpSizeHigh << 32)
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if self.headerData.CmtState == 1:
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data['comment'] = self.headerData.CmtBuf.value
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else:
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data['comment'] = None
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self.index += 1
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return data
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def __del__(self):
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self.arc.lockStatus = "finished"
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def generate_password_provider(password):
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def password_provider_callback(msg, UserData, P1, P2):
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if msg == UCM_NEEDPASSWORD and password!=None:
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(ctypes.c_char*P2).from_address(P1).value = password
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return 1
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return password_provider_callback
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class RarFileImplementation(object):
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def init(self, password=None):
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self.password = password
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archiveData = RAROpenArchiveDataEx(ArcNameW=self.archiveName, OpenMode=RAR_OM_EXTRACT)
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self._handle = RAROpenArchiveEx(ctypes.byref(archiveData))
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self.c_callback = UNRARCALLBACK(generate_password_provider(self.password))
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RARSetCallback(self._handle, self.c_callback, 1)
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if archiveData.OpenResult != 0:
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raise RARExceptions[archiveData.OpenResult]
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if archiveData.CmtState == 1:
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self.comment = archiveData.CmtBuf.value
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else:
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self.comment = None
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if password:
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RARSetPassword(self._handle, password)
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self.lockStatus = "ready"
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def destruct(self):
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if self._handle and RARCloseArchive:
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RARCloseArchive(self._handle)
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def make_sure_ready(self):
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if self.lockStatus == "locked":
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raise InvalidRARArchiveUsage("cannot execute infoiter() without finishing previous one")
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if self.lockStatus == "finished":
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self.destruct()
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self.init(self.password)
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def infoiter(self):
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self.make_sure_ready()
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return RarInfoIterator(self)
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def read_files(self, checker):
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res = []
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for info in self.infoiter():
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if checker(info) and not info.isdir:
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reader = PassiveReader()
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c_callback = UNRARCALLBACK(reader._callback)
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RARSetCallback(self._handle, c_callback, 1)
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tmpres = RARProcessFile(self._handle, RAR_TEST, None, None)
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if tmpres==ERAR_BAD_DATA:
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raise IncorrectRARPassword
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self.needskip = False
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res.append((info, reader.get_result()))
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return res
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def extract(self, checker, path, withSubpath, overwrite):
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res = []
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for info in self.infoiter():
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checkres = checker(info)
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if checkres!=False and not info.isdir:
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if checkres==True:
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fn = info.filename
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if not withSubpath:
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fn = os.path.split(fn)[-1]
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target = os.path.join(path, fn)
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else:
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raise DeprecationWarning, "Condition callbacks returning strings are deprecated and only supported in Windows"
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target = checkres
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if overwrite or (not os.path.exists(target)):
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tmpres = RARProcessFile(self._handle, RAR_EXTRACT, None, target)
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if tmpres==ERAR_BAD_DATA:
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raise IncorrectRARPassword
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self.needskip = False
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res.append(info)
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return res
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