mirror of
https://github.com/moparisthebest/SickRage
synced 2024-12-14 20:12:19 -05:00
0d9fbc1ad7
This version of SickBeard uses both TVDB and TVRage to search and gather it's series data from allowing you to now have access to and download shows that you couldn't before because of being locked into only what TheTVDB had to offer. Also this edition is based off the code we used in our XEM editon so it does come with scene numbering support as well as all the other features our XEM edition has to offer. Please before using this with your existing database (sickbeard.db) please make a backup copy of it and delete any other database files such as cache.db and failed.db if present, we HIGHLY recommend starting out with no database files at all to make this a fresh start but the choice is at your own risk! Enjoy!
564 lines
19 KiB
Python
564 lines
19 KiB
Python
from lib.hachoir_core.endian import BIG_ENDIAN, LITTLE_ENDIAN
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from lib.hachoir_core.error import info
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from lib.hachoir_core.log import Logger
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from lib.hachoir_core.bits import str2long
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from lib.hachoir_core.i18n import getTerminalCharset
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from lib.hachoir_core.tools import lowerBound
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from lib.hachoir_core.i18n import _
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from os import dup, fdopen
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from errno import ESPIPE
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from weakref import ref as weakref_ref
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from lib.hachoir_core.stream import StreamError
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class InputStreamError(StreamError):
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pass
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class ReadStreamError(InputStreamError):
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def __init__(self, size, address, got=None):
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self.size = size
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self.address = address
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self.got = got
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if self.got is not None:
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msg = _("Can't read %u bits at address %u (got %u bits)") % (self.size, self.address, self.got)
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else:
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msg = _("Can't read %u bits at address %u") % (self.size, self.address)
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InputStreamError.__init__(self, msg)
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class NullStreamError(InputStreamError):
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def __init__(self, source):
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self.source = source
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msg = _("Input size is nul (source='%s')!") % self.source
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InputStreamError.__init__(self, msg)
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class FileFromInputStream:
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_offset = 0
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_from_end = False
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def __init__(self, stream):
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self.stream = stream
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self._setSize(stream.askSize(self))
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def _setSize(self, size):
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if size is None:
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self._size = size
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elif size % 8:
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raise InputStreamError("Invalid size")
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else:
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self._size = size // 8
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def tell(self):
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if self._from_end:
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while self._size is None:
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self.stream._feed(max(self.stream._current_size << 1, 1 << 16))
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self._from_end = False
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self._offset += self._size
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return self._offset
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def seek(self, pos, whence=0):
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if whence == 0:
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self._from_end = False
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self._offset = pos
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elif whence == 1:
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self._offset += pos
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elif whence == 2:
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self._from_end = True
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self._offset = pos
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else:
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raise ValueError("seek() second argument must be 0, 1 or 2")
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def read(self, size=None):
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def read(address, size):
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shift, data, missing = self.stream.read(8 * address, 8 * size)
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if shift:
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raise InputStreamError("TODO: handle non-byte-aligned data")
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return data
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if self._size or size is not None and not self._from_end:
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# We don't want self.tell() to read anything
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# and the size must be known if we read until the end.
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pos = self.tell()
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if size is None or None < self._size < pos + size:
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size = self._size - pos
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if size <= 0:
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return ''
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data = read(pos, size)
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self._offset += len(data)
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return data
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elif self._from_end:
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# TODO: not tested
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max_size = - self._offset
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if size is None or max_size < size:
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size = max_size
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if size <= 0:
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return ''
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data = '', ''
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self._offset = max(0, self.stream._current_size // 8 + self._offset)
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self._from_end = False
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bs = max(max_size, 1 << 16)
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while True:
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d = read(self._offset, bs)
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data = data[1], d
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self._offset += len(d)
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if self._size:
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bs = self._size - self._offset
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if not bs:
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data = data[0] + data[1]
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d = len(data) - max_size
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return data[d:d+size]
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else:
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# TODO: not tested
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data = [ ]
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size = 1 << 16
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while True:
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d = read(self._offset, size)
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data.append(d)
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self._offset += len(d)
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if self._size:
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size = self._size - self._offset
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if not size:
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return ''.join(data)
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class InputStream(Logger):
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_set_size = None
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_current_size = 0
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def __init__(self, source=None, size=None, packets=None, **args):
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self.source = source
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self._size = size # in bits
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if size == 0:
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raise NullStreamError(source)
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self.tags = tuple(args.get("tags", tuple()))
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self.packets = packets
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def askSize(self, client):
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if self._size != self._current_size:
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if self._set_size is None:
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self._set_size = []
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self._set_size.append(weakref_ref(client))
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return self._size
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def _setSize(self, size=None):
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assert self._size is None or self._current_size <= self._size
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if self._size != self._current_size:
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self._size = self._current_size
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if not self._size:
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raise NullStreamError(self.source)
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if self._set_size:
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for client in self._set_size:
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client = client()
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if client:
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client._setSize(self._size)
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del self._set_size
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size = property(lambda self: self._size, doc="Size of the stream in bits")
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checked = property(lambda self: self._size == self._current_size)
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def sizeGe(self, size, const=False):
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return self._current_size >= size or \
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not (None < self._size < size or const or self._feed(size))
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def _feed(self, size):
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return self.read(size-1,1)[2]
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def read(self, address, size):
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"""
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Read 'size' bits at position 'address' (in bits)
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from the beginning of the stream.
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"""
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raise NotImplementedError
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def readBits(self, address, nbits, endian):
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assert endian in (BIG_ENDIAN, LITTLE_ENDIAN)
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shift, data, missing = self.read(address, nbits)
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if missing:
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raise ReadStreamError(nbits, address)
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value = str2long(data, endian)
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if endian is BIG_ENDIAN:
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value >>= len(data) * 8 - shift - nbits
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else:
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value >>= shift
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return value & (1 << nbits) - 1
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def readInteger(self, address, signed, nbits, endian):
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""" Read an integer number """
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value = self.readBits(address, nbits, endian)
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# Signe number. Example with nbits=8:
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# if 128 <= value: value -= 256
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if signed and (1 << (nbits-1)) <= value:
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value -= (1 << nbits)
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return value
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def readBytes(self, address, nb_bytes):
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shift, data, missing = self.read(address, 8 * nb_bytes)
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if shift:
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raise InputStreamError("TODO: handle non-byte-aligned data")
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if missing:
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raise ReadStreamError(8 * nb_bytes, address)
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return data
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def searchBytesLength(self, needle, include_needle,
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start_address=0, end_address=None):
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"""
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If include_needle is True, add its length to the result.
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Returns None is needle can't be found.
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"""
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pos = self.searchBytes(needle, start_address, end_address)
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if pos is None:
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return None
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length = (pos - start_address) // 8
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if include_needle:
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length += len(needle)
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return length
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def searchBytes(self, needle, start_address=0, end_address=None):
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"""
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Search some bytes in [start_address;end_address[. Addresses must
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be aligned to byte. Returns the address of the bytes if found,
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None else.
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"""
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if start_address % 8:
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raise InputStreamError("Unable to search bytes with address with bit granularity")
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length = len(needle)
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size = max(3 * length, 4096)
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buffer = ''
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if self._size and (end_address is None or self._size < end_address):
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end_address = self._size
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while True:
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if end_address is not None:
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todo = (end_address - start_address) >> 3
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if todo < size:
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if todo <= 0:
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return None
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size = todo
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data = self.readBytes(start_address, size)
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if end_address is None and self._size:
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end_address = self._size
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size = (end_address - start_address) >> 3
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assert size > 0
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data = data[:size]
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start_address += 8 * size
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buffer = buffer[len(buffer) - length + 1:] + data
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found = buffer.find(needle)
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if found >= 0:
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return start_address + (found - len(buffer)) * 8
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def file(self):
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return FileFromInputStream(self)
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class InputPipe(object):
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"""
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InputPipe makes input streams seekable by caching a certain
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amount of data. The memory usage may be unlimited in worst cases.
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A function (set_size) is called when the size of the stream is known.
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InputPipe sees the input stream as an array of blocks of
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size = (2 ^ self.buffer_size) and self.buffers maps to this array.
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It also maintains a circular ordered list of non-discarded blocks,
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sorted by access time.
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Each element of self.buffers is an array of 3 elements:
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* self.buffers[i][0] is the data.
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len(self.buffers[i][0]) == 1 << self.buffer_size
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(except at the end: the length may be smaller)
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* self.buffers[i][1] is the index of a more recently used block
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* self.buffers[i][2] is the opposite of self.buffers[1],
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in order to have a double-linked list.
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For any discarded block, self.buffers[i] = None
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self.last is the index of the most recently accessed block.
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self.first is the first (= smallest index) non-discarded block.
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How InputPipe discards blocks:
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* Just before returning from the read method.
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* Only if there are more than self.buffer_nb_min blocks in memory.
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* While self.buffers[self.first] is that least recently used block.
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Property: There is no hole in self.buffers, except at the beginning.
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"""
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buffer_nb_min = 256
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buffer_size = 16
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last = None
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size = None
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def __init__(self, input, set_size=None):
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self._input = input
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self.first = self.address = 0
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self.buffers = []
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self.set_size = set_size
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current_size = property(lambda self: len(self.buffers) << self.buffer_size)
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def _append(self, data):
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if self.last is None:
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self.last = next = prev = 0
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else:
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prev = self.last
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last = self.buffers[prev]
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next = last[1]
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self.last = self.buffers[next][2] = last[1] = len(self.buffers)
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self.buffers.append([ data, next, prev ])
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def _get(self, index):
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if index >= len(self.buffers):
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return ''
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buf = self.buffers[index]
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if buf is None:
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raise InputStreamError(_("Error: Buffers too small. Can't seek backward."))
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if self.last != index:
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next = buf[1]
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prev = buf[2]
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self.buffers[next][2] = prev
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self.buffers[prev][1] = next
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first = self.buffers[self.last][1]
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buf[1] = first
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buf[2] = self.last
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self.buffers[first][2] = index
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self.buffers[self.last][1] = index
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self.last = index
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return buf[0]
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def _flush(self):
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lim = len(self.buffers) - self.buffer_nb_min
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while self.first < lim:
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buf = self.buffers[self.first]
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if buf[2] != self.last:
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break
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info("Discarding buffer %u." % self.first)
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self.buffers[self.last][1] = buf[1]
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self.buffers[buf[1]][2] = self.last
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self.buffers[self.first] = None
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self.first += 1
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def seek(self, address):
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assert 0 <= address
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self.address = address
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def read(self, size):
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end = self.address + size
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for i in xrange(len(self.buffers), (end >> self.buffer_size) + 1):
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data = self._input.read(1 << self.buffer_size)
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if len(data) < 1 << self.buffer_size:
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self.size = (len(self.buffers) << self.buffer_size) + len(data)
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if self.set_size:
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self.set_size(self.size)
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if data:
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self._append(data)
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break
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self._append(data)
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block, offset = divmod(self.address, 1 << self.buffer_size)
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data = ''.join(self._get(index)
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for index in xrange(block, (end - 1 >> self.buffer_size) + 1)
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)[offset:offset+size]
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self._flush()
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self.address += len(data)
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return data
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class InputIOStream(InputStream):
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def __init__(self, input, size=None, **args):
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if not hasattr(input, "seek"):
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if size is None:
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input = InputPipe(input, self._setSize)
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else:
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input = InputPipe(input)
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elif size is None:
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try:
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input.seek(0, 2)
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size = input.tell() * 8
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except IOError, err:
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if err.errno == ESPIPE:
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input = InputPipe(input, self._setSize)
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else:
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charset = getTerminalCharset()
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errmsg = unicode(str(err), charset)
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source = args.get("source", "<inputio:%r>" % input)
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raise InputStreamError(_("Unable to get size of %s: %s") % (source, errmsg))
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self._input = input
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InputStream.__init__(self, size=size, **args)
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def __current_size(self):
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if self._size:
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return self._size
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if self._input.size:
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return 8 * self._input.size
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return 8 * self._input.current_size
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_current_size = property(__current_size)
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def read(self, address, size):
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assert size > 0
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_size = self._size
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address, shift = divmod(address, 8)
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self._input.seek(address)
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size = (size + shift + 7) >> 3
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data = self._input.read(size)
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got = len(data)
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missing = size != got
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if missing and _size == self._size:
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raise ReadStreamError(8 * size, 8 * address, 8 * got)
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return shift, data, missing
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def file(self):
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if hasattr(self._input, "fileno"):
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new_fd = dup(self._input.fileno())
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new_file = fdopen(new_fd, "r")
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new_file.seek(0)
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return new_file
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return InputStream.file(self)
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class StringInputStream(InputStream):
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def __init__(self, data, source="<string>", **args):
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self.data = data
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InputStream.__init__(self, source=source, size=8*len(data), **args)
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self._current_size = self._size
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def read(self, address, size):
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address, shift = divmod(address, 8)
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size = (size + shift + 7) >> 3
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data = self.data[address:address+size]
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got = len(data)
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if got != size:
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raise ReadStreamError(8 * size, 8 * address, 8 * got)
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return shift, data, False
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class InputSubStream(InputStream):
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def __init__(self, stream, offset, size=None, source=None, **args):
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if offset is None:
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offset = 0
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if size is None and stream.size is not None:
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size = stream.size - offset
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if None < size <= 0:
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raise ValueError("InputSubStream: offset is outside input stream")
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self.stream = stream
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self._offset = offset
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if source is None:
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source = "<substream input=%s offset=%s size=%s>" % (stream.source, offset, size)
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InputStream.__init__(self, source=source, size=size, **args)
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self.stream.askSize(self)
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_current_size = property(lambda self: min(self._size, max(0, self.stream._current_size - self._offset)))
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def read(self, address, size):
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return self.stream.read(self._offset + address, size)
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def InputFieldStream(field, **args):
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if not field.parent:
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return field.stream
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stream = field.parent.stream
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args["size"] = field.size
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args.setdefault("source", stream.source + field.path)
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return InputSubStream(stream, field.absolute_address, **args)
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class FragmentedStream(InputStream):
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def __init__(self, field, **args):
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self.stream = field.parent.stream
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data = field.getData()
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self.fragments = [ (0, data.absolute_address, data.size) ]
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self.next = field.next
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args.setdefault("source", "%s%s" % (self.stream.source, field.path))
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InputStream.__init__(self, **args)
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if not self.next:
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self._current_size = data.size
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self._setSize()
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def _feed(self, end):
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if self._current_size < end:
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if self.checked:
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raise ReadStreamError(end - self._size, self._size)
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a, fa, fs = self.fragments[-1]
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while self.stream.sizeGe(fa + min(fs, end - a)):
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a += fs
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f = self.next
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if a >= end:
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self._current_size = end
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if a == end and not f:
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self._setSize()
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return False
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if f:
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self.next = f.next
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f = f.getData()
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if not f:
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self._current_size = a
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self._setSize()
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return True
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fa = f.absolute_address
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fs = f.size
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self.fragments += [ (a, fa, fs) ]
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self._current_size = a + max(0, self.stream.size - fa)
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self._setSize()
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return True
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return False
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def read(self, address, size):
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assert size > 0
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|
missing = self._feed(address + size)
|
|
if missing:
|
|
size = self._size - address
|
|
if size <= 0:
|
|
return 0, '', True
|
|
d = []
|
|
i = lowerBound(self.fragments, lambda x: x[0] <= address)
|
|
a, fa, fs = self.fragments[i-1]
|
|
a -= address
|
|
fa -= a
|
|
fs += a
|
|
s = None
|
|
while True:
|
|
n = min(fs, size)
|
|
u, v, w = self.stream.read(fa, n)
|
|
assert not w
|
|
if s is None:
|
|
s = u
|
|
else:
|
|
assert not u
|
|
d += [ v ]
|
|
size -= n
|
|
if not size:
|
|
return s, ''.join(d), missing
|
|
a, fa, fs = self.fragments[i]
|
|
i += 1
|
|
|
|
|
|
class ConcatStream(InputStream):
|
|
# TODO: concatene any number of any type of stream
|
|
def __init__(self, streams, **args):
|
|
if len(streams) > 2 or not streams[0].checked:
|
|
raise NotImplementedError
|
|
self.__size0 = streams[0].size
|
|
size1 = streams[1].askSize(self)
|
|
if size1 is not None:
|
|
args["size"] = self.__size0 + size1
|
|
self.__streams = streams
|
|
InputStream.__init__(self, **args)
|
|
|
|
_current_size = property(lambda self: self.__size0 + self.__streams[1]._current_size)
|
|
|
|
def read(self, address, size):
|
|
_size = self._size
|
|
s = self.__size0 - address
|
|
shift, data, missing = None, '', False
|
|
if s > 0:
|
|
s = min(size, s)
|
|
shift, data, w = self.__streams[0].read(address, s)
|
|
assert not w
|
|
a, s = 0, size - s
|
|
else:
|
|
a, s = -s, size
|
|
if s:
|
|
u, v, missing = self.__streams[1].read(a, s)
|
|
if missing and _size == self._size:
|
|
raise ReadStreamError(s, a)
|
|
if shift is None:
|
|
shift = u
|
|
else:
|
|
assert not u
|
|
data += v
|
|
return shift, data, missing
|