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Extract the items contained in a Marmoset Viewer's .mview archive file
import struct
import os
# Parameter
archive = "vivfox.mview"
def readCString(f):
"""This is the most naive implementation possible, don't use in prod"""
str = ""
c = f.read(1)
while c != '\0':
str += c
c = f.read(1)
return str
def getFileSize(f):
pos = f.tell()
f.seek(0, 2)
end = f.tell()
f.seek(pos, 0)
return end
# Create the output directory
directory = os.path.splitext(archive)[0]
if not os.path.exists(directory):
os.makedirs(directory)
with open(archive, 'rb') as f:
end = getFileSize(f)
while True:
name = readCString(f)
mime = readCString(f)
compressed, size, rawSize = struct.unpack("III", f.read(3*4))
if compressed:
name += ".compressed"
name = os.path.join(directory, name)
print(name)
with open(name, 'wb') as outf:
outf.write(f.read(size))
if f.tell() >= end:
break
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