Python methods for compressing and extracting strings via zlib

The examples in this article describe Python's method of compressing and extracting strings through zlib. Share to everyone for your reference. The implementation method is as follows:

Use zlib.compress to compress strings. Use Zlib.decompress to extract strings. As follows
Copy the Code code as follows:

#coding =utf-8
Import zlib
s = "Hello Word, 00000000000000000000000000000000"
Print Len (s)
c = zlib.compress (s)
Print Len (c)
D = zlib.decompress (c)
Print D

Model Code 2:
Copy CodeThe code is as follows:

Import zlib
message = ' witch which has which witches wrist watch '
compressed = zlib.compress (message)
decompressed = zlib.decompress (compressed)
print ' original: ', repr (message)
print ' compressed: ', repr (compressed)
print ' decompressed: ', repr (decompressed) #输出original: ' Witch which has which witches wrist watch '
Compressed: ' Xx9c+xcf,ixcep (XCFXC8X04X92X19X89XC5PV9H4X15XC8+XCA,. Q (ox04xf2x00d?x0fx89 '
decompressed: ' witch which has which witches wrist watch '

If we were to decompress the string, we could compress the file using Zlib.compressobj and Zlib.decompressobj.
Copy CodeThe code is as follows:

def compress (infile, DST, level=9):
infile = open (infile, ' RB ')
DST = open (DST, ' WB ')
Compress = Zlib.compressobj (level)
data = Infile.read (1024)
While data:
Dst.write (compress.compress (data))
data = Infile.read (1024)
Dst.write (Compress.flush ())
def decompress (infile, DST):
infile = open (infile, ' RB ')
DST = open (DST, ' WB ')
Decompress = Zlib.decompressobj ()
data = Infile.read (1024)
While data:
Dst.write (decompress.decompress (data))
data = Infile.read (1024)
Dst.write (Decompress.flush ())

Hopefully this article will help you with Python programming.

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