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Put code in a main() function; loosen up the spacing to match current code style

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This commit is contained in:
Andrew M. Kuchling 2006-06-03 23:15:56 +00:00
parent 3725dea9c3
commit 3550613502
1 changed files with 39 additions and 26 deletions
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21
Demo/zlib/zlibdemo.py
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@ -1,10 +1,19 @@
#!/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
if len(sys.argv)>1: filename=sys.argv[1]
else: filename='zlibdemo.py'
def main():
if len(sys.argv) > 1:
filename = sys.argv[1]
else:
filename = sys.argv[0]
print 'Reading', filename
f=open(filename, 'r') # Get the data to compress
f = open(filename, 'rb') # Get the data to compress
s = f.read()
f.close()
@ -24,7 +33,8 @@ decompressor=zlib.decompressobj()
comptext = decomp = ''
for i in range(0, len(s), chunk):
comptext = comptext+compressor.compress(s[i:i+chunk])
comptext=comptext+compressor.flush() # Don't forget to call flush()!!
# 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])
@ -33,3 +43,6 @@ decomp=decomp+decompressor.flush()
print 'Progressive compression (level 9):'
print ' Original:', len(s), 'Compressed:', len(comptext),
print 'Uncompressed:', len(decomp)
if __name__ == '__main__':
main()