Python et les fichiers zip¶

import zipfile

for filename in [ 'README.txt', 'example.zip',
                  'bad_example.zip', 'notthere.zip' ]:
    print '%20s  %s' % (filename, zipfile.is_zipfile(filename))

$ python zipfile_is_zipfile.py

          README.txt  False
         example.zip  True
     bad_example.zip  False
        notthere.zip  False

import zipfile

zf = zipfile.ZipFile('example.zip', 'r')
print zf.namelist()

$ python zipfile_namelist.py

['README.txt']

import datetime
import zipfile

def print_info(archive_name):
    zf = zipfile.ZipFile(archive_name)
    for info in zf.infolist():
        print info.filename
        print '\tComment:\t', info.comment
        print '\tModified:\t', datetime.datetime(*info.date_time)
        print '\tSystem:\t\t', info.create_system, '(0 = Windows, 3 = Unix)'
        print '\tZIP version:\t', info.create_version
        print '\tCompressed:\t', info.compress_size, 'bytes'
        print '\tUncompressed:\t', info.file_size, 'bytes'
        print

if __name__ == '__main__':
    print_info('example.zip')

import zipfile

zf = zipfile.ZipFile('example.zip')
for filename in [ 'README.txt', 'notthere.txt' ]:
    try:
        data = zf.read(filename)
    except KeyError:
        print 'ERROR: Did not find %s in zip file' % filename
    else:
        print filename, ':'
        print repr(data)
    print

$ python zipfile_read.py

README.txt :
'The examples for the zipfile module use this file and example.zip as data.\n'

ERROR: Did not find notthere.txt in zip file

with zipfile.ZipFile("myfile.zip", "r") as z:
        z.extractall("my_dir")

from zipfile_infolist import print_info
import zipfile

print 'creating archive'
zf = zipfile.ZipFile('zipfile_write.zip', mode='w')
try:
    print 'adding README.txt'
    zf.write('README.txt')
finally:
    print 'closing'
    zf.close()

print
print_info('zipfile_write.zip')

$ python zipfile_write.py
creating archive
adding README.txt
closing

README.txt
        Comment:
        Modified:       2007-12-16 10:08:50
        System:         3 (0 = Windows, 3 = Unix)
        ZIP version:    20
        Compressed:     75 bytes
        Uncompressed:   75 bytes

myzip = zipfile.ZipFile('test.zip', 'w', zipfile.ZIP_DEFLATED)
myzip.write(xls_file)
myzip.close()