Huffman compression and decompression (Pure Python implementation)
Project description
Usage
from pyhuff import compress
text=b'A'*100
print(text) # b'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA'
comp=compress(text)
print(comp) # b'\x041\x00A\x010\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
Or use:
pyhuff compress in.txt out.bin
pyhuff decompress out.bin dec.txt
Disadvantages
- The code is very messy because of compatibility of Python 2 (And I don't know the six package).
- Decompression is very slow.
- Not very good, sometimes the compressed file is larger than the original one.
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