mirror of
https://github.com/moparisthebest/SickRage
synced 2024-11-18 07:15:13 -05:00
34 lines
948 B
Python
34 lines
948 B
Python
|
from lib.hachoir_core.field import CompressedField
|
||
|
|
|
||
|
|
try:
|
||
|
|
from zlib import decompressobj, MAX_WBITS
|
||
|
|
|
||
|
|
class DeflateStream:
|
||
|
|
def __init__(self, stream, wbits=None):
|
||
|
|
if wbits:
|
||
|
|
self.gzip = decompressobj(-MAX_WBITS)
|
||
|
|
else:
|
||
|
|
self.gzip = decompressobj()
|
||
|
|
|
||
|
|
def __call__(self, size, data=None):
|
||
|
|
if data is None:
|
||
|
|
data = self.gzip.unconsumed_tail
|
||
|
|
return self.gzip.decompress(data, size)
|
||
|
|
|
||
|
|
class DeflateStreamWbits(DeflateStream):
|
||
|
|
def __init__(self, stream):
|
||
|
|
DeflateStream.__init__(self, stream, True)
|
||
|
|
|
||
|
|
def Deflate(field, wbits=True):
|
||
|
|
if wbits:
|
||
|
|
CompressedField(field, DeflateStreamWbits)
|
||
|
|
else:
|
||
|
|
CompressedField(field, DeflateStream)
|
||
|
|
return field
|
||
|
|
has_deflate = True
|
||
|
|
except ImportError:
|
||
|
|
def Deflate(field, wbits=True):
|
||
|
|
return field
|
||
|
|
has_deflate = False
|
||
|
|
|