grp/Wii.py
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updated compression.py and fixed common.py from printing random shit

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This commit is contained in:
Xuzz 2009-07-25 13:14:02 -07:00
parent c65d1e23b7
commit cb6b94a323
2 changed files with 9 additions and 30 deletions
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2
common.py
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@ -41,8 +41,6 @@ def hexdump2(src, length = 16): # dumps to a "hex editor" style output
result.append("0x%04X %-*s %s\n" % (i, (length * 3) + 2, hexa, printable)) result.append("0x%04X %-*s %s\n" % (i, (length * 3) + 2, hexa, printable))
return ''.join(result) return ''.join(result)
print hexdump2("RANDOM STRING \x01 TESTING \x214 TEST OF STrasneljkasdhfleasdklhglkaje;shadlkghehaosehlgasdlkfhe;lakhsdglhaelksejdfffffffjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjasdfsadf")
class Crypto(object): class Crypto(object):
"""This is a Cryptographic/hash class used to abstract away things (to make changes easier)""" """This is a Cryptographic/hash class used to abstract away things (to make changes easier)"""
align = 64 align = 64

37
compression.py
View File

@ -1,7 +1,7 @@
from common import * from common import *
class LZ77(): class LZ77(WiiHeader):
class WiiLZ77: #class by marcan class WiiLZ77: # class by marcan, used under scope of BSD license
TYPE_LZ77 = 1 TYPE_LZ77 = 1
def __init__(self, file, offset): def __init__(self, file, offset):
self.file = file self.file = file
@ -42,34 +42,15 @@ class LZ77():
break break
self.data = dout self.data = dout
return self.data return self.data
def __init__(self, f): def remove(self):
self.f = f hdr = self.data[:4]
def decompress(self, fn = ""):
"""This uncompresses a LZ77 compressed file, specified in f in the initializer. It outputs the file in either fn, if it isn't empty, or overwrites the input if it is. Returns the output filename."""
file = open(self.f, "rb")
hdr = file.read(4)
if hdr != "LZ77": if hdr != "LZ77":
if(fn == ""): return self.data
return self.f file = StringIO.StringIO(self.data)
else: file.seek(4)
data = open(self.f, "rb").read()
open(fn, "wb").write(data)
unc = self.WiiLZ77(file, file.tell()) unc = self.WiiLZ77(file, file.tell())
data = unc.uncompress() data = unc.uncompress()
file.close()
if(fn != ""): return data
open(fn, "wb").write(data)
return fn
else:
open(self.f, "wb").write(data)
return self.f
def compress(self, fn = ""): def compress(self, fn = ""):
"""This will eventually add LZ77 compression to a file. Does nothing for now.""" raise NotImplementedError
if(fn != ""):
#subprocess.call(["./gbalzss", self.f, fn, "-pack"])
return fn
else:
#subprocess.call(["./gbalzss", self.f, self.f, "-pack"])
return self.f