def cws(d, v):
"""returns decompressed length, decompressed stream"""
import zlib
theoriclen = struct.unpack("<I", d.read(4))[0]
dec = zlib.decompress(d.read())
l = len(dec)
if theoriclen != l + 8:
raise(BaseException("Wrong Decompressed length"))
decfile = "".join(
["FWS",
v,
struct.pack("<I", theoriclen),
dec,
])
d = struc.data(decfile)
d.seek(4)
with open("dec.bin", "wb") as fw:
fw.write(decfile)
return d
def cws(d, v):
"""returns decompressed length, decompressed stream"""
import zlib
theoriclen = struct.unpack("<I", d.read(4))[0]
dec = zlib.decompress(d.read())
l = len(dec)
if theoriclen != l + 8:
raise (BaseException("Wrong Decompressed length"))
decfile = "".join([
"FWS",
v,
struct.pack("<I", theoriclen),
dec,
])
d = struc.data(decfile)
d.seek(4)
with open("dec.bin", "wb") as fw:
fw.write(decfile)
return d
decfile = "".join(
["FWS",
v,
struct.pack("<I", theoriclen),
dec,
])
d = struc.data(decfile)
d.seek(4)
with open("dec.bin", "wb") as fw:
fw.write(decfile)
return d
SIGS = {"FWS":None,"CWS": cws}
with open(sys.argv[1], "rb") as f:
d = struc.data(f.read())
sig = d.read(3)
if sig not in SIGS:
raise(BaseException("Wrong Signature"))
version = d.read(1)
if version not in (chr(i) for i in xrange(10)):
raise(BaseException("Wrong Version"))
do = SIGS[sig]
if do is not None:
d = do(d, version)
s = struc.struc(d)
"FWS",
v,
struct.pack("<I", theoriclen),
dec,
])
d = struc.data(decfile)
d.seek(4)
with open("dec.bin", "wb") as fw:
fw.write(decfile)
return d
SIGS = {"FWS": None, "CWS": cws}
with open(sys.argv[1], "rb") as f:
d = struc.data(f.read())
sig = d.read(3)
if sig not in SIGS:
raise (BaseException("Wrong Signature"))
version = d.read(1)
if version not in (chr(i) for i in xrange(10)):
raise (BaseException("Wrong Version"))
do = SIGS[sig]
if do is not None:
d = do(d, version)
s = struc.struc(d)
