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author | Ori Bernstein <ori@eigenstate.org> | 2021-06-14 00:00:37 +0000 |
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committer | Ori Bernstein <ori@eigenstate.org> | 2021-06-14 00:00:37 +0000 |
commit | a73a964e51247ed169d322c725a3a18859f109a3 (patch) | |
tree | 3f752d117274d444bda44e85609aeac1acf313f3 /sys/src/cmd/python/Demo/zlib/zlibdemo.py | |
parent | e64efe273fcb921a61bf27d33b230c4e64fcd425 (diff) |
python, hg: tow outside the environment.
they've served us well, and can ride off into the sunset.
Diffstat (limited to 'sys/src/cmd/python/Demo/zlib/zlibdemo.py')
-rw-r--r-- | sys/src/cmd/python/Demo/zlib/zlibdemo.py | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/sys/src/cmd/python/Demo/zlib/zlibdemo.py b/sys/src/cmd/python/Demo/zlib/zlibdemo.py deleted file mode 100644 index b449c199b..000000000 --- a/sys/src/cmd/python/Demo/zlib/zlibdemo.py +++ /dev/null @@ -1,48 +0,0 @@ -#!/usr/bin/env python - -# Takes an optional filename, defaulting to this file itself. -# Reads the file and compresses the content using level 1 and level 9 -# compression, printing a summary of the results. - -import zlib, sys - -def main(): - if len(sys.argv) > 1: - filename = sys.argv[1] - else: - filename = sys.argv[0] - print 'Reading', filename - - f = open(filename, 'rb') # Get the data to compress - s = f.read() - f.close() - - # First, we'll compress the string in one step - comptext = zlib.compress(s, 1) - decomp = zlib.decompress(comptext) - - print '1-step compression: (level 1)' - print ' Original:', len(s), 'Compressed:', len(comptext), - print 'Uncompressed:', len(decomp) - - # Now, let's compress the string in stages; set chunk to work in smaller steps - - chunk = 256 - compressor = zlib.compressobj(9) - decompressor = zlib.decompressobj() - comptext = decomp = '' - for i in range(0, len(s), chunk): - comptext = comptext+compressor.compress(s[i:i+chunk]) - # Don't forget to call flush()!! - comptext = comptext + compressor.flush() - - for i in range(0, len(comptext), chunk): - decomp = decomp + decompressor.decompress(comptext[i:i+chunk]) - decomp=decomp+decompressor.flush() - - print 'Progressive compression (level 9):' - print ' Original:', len(s), 'Compressed:', len(comptext), - print 'Uncompressed:', len(decomp) - -if __name__ == '__main__': - main() |