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| author | darylm503 <darylm503@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-04-16 22:12:42 +0000 |
|---|---|---|
| committer | darylm503 <darylm503@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-04-16 22:12:42 +0000 |
| commit | 4710c53dcad1ebf3755f3efb9e80ac24bd72a9b2 (patch) | |
| tree | 2d17d2388a78082e32f6a97120d707328143543b /AppPkg/Applications/Python/Python-2.7.2/Demo/zlib/zlibdemo.py | |
| parent | cbc6b5e54599c7391ece99ad3c5313f4dd4ddda6 (diff) | |
| download | edk2-platforms-4710c53dcad1ebf3755f3efb9e80ac24bd72a9b2.tar.xz | |
AppPkg/Applications/Python: Add Python 2.7.2 sources since the release of Python 2.7.3 made them unavailable from the python.org web site.
These files are a subset of the python-2.7.2.tgz distribution from python.org. Changed files from PyMod-2.7.2 have been copied into the corresponding directories of this tree, replacing the original files in the distribution.
Signed-off-by: daryl.mcdaniel@intel.com
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13197 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'AppPkg/Applications/Python/Python-2.7.2/Demo/zlib/zlibdemo.py')
| -rw-r--r-- | AppPkg/Applications/Python/Python-2.7.2/Demo/zlib/zlibdemo.py | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/AppPkg/Applications/Python/Python-2.7.2/Demo/zlib/zlibdemo.py b/AppPkg/Applications/Python/Python-2.7.2/Demo/zlib/zlibdemo.py new file mode 100644 index 0000000000..7562874a8d --- /dev/null +++ b/AppPkg/Applications/Python/Python-2.7.2/Demo/zlib/zlibdemo.py @@ -0,0 +1,48 @@ +#!/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()
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