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authorOri Bernstein <ori@eigenstate.org>2021-06-14 00:00:37 +0000
committerOri Bernstein <ori@eigenstate.org>2021-06-14 00:00:37 +0000
commita73a964e51247ed169d322c725a3a18859f109a3 (patch)
tree3f752d117274d444bda44e85609aeac1acf313f3 /sys/src/cmd/python/Demo/zlib/zlibdemo.py
parente64efe273fcb921a61bf27d33b230c4e64fcd425 (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.py48
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()