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carlos-jenkins/compress.py

Created September 27, 2018 08:55
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Compressing and Decompressing in Python 3
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compress.py
from zlib import compress, Z_BEST_COMPRESSION
# Compressing
def compress_ratio(original, compressed):
obytes = len(original)
cbytes = len(compressed)
return (obytes - cbytes) / obytes
original = b'Hello World'
compressed = compress(original, Z_BEST_COMPRESSION)
ratio = compress_ratio(original, compressed)
print('Compressed: {:.2f}%'.format(100.0 * ratio))
# Decompressing
from zlib import decompress
print(decompress(compressed))
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