Programmation PYTHON - Zenk - Security - Repository

try:
compressed = gzopen(filename+'.gz', mode='wb')
try:
for line in original.readlines():
compressed.write(line)
finally:
compressed.close()
os.remove(filename)
finally:
original.close()
def _decompress(filename):
""" décompresse une archive gzip
attention, écrase un éventuel fichier "resultfile"
"""
archive = gzopen(filename)
try:
if filename.endswith('.gz'):
resultfile = filename[:-3]
else:
resultfile = '%s.uncompressed' % filename
uncompressed = open(resultfile, mode='w')
try:
for line in archive.readlines():
uncompressed.write(line)
finally:
uncompressed.close()
os.remove(filename)
finally:
archive.close()
def main(options, arguments):
if len(arguments) != 1:
print 'usage: %s' % parser.usage
sys.exit(2)
compress = options.compress isnot None
decompress = options.decompress isnot None
Principaux modules
CHAPITRE 8
if (compress and decompress) or (not compress and not decompress):
print 'usage: %s' % parser.usage
sys.exit(2)
filename = arguments[0]
if compress:
_compress(filename)
else:
_decompress(filename)
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