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juan-fdz-hawa/binary_unpacking.py

Last active October 26, 2016 16:16
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binary_unpacking.py
import struct
fmt = '<3s3sHH'
with open('filter.gif', 'rb') as fp:
img = memoryview(fp.read())
header = img[:10]
bytes(header)
#b'GIF89a+\x02\xe6\x00'
struct.unpack(fmt, header)
#(b'GIF', b'89a', 555, 230)
del header
del img
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