Created
March 13, 2014 01:23
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import py7zlib, os | |
class SevenZFile(object): | |
@classmethod | |
def is_7zfile(cls, filepath): | |
''' | |
Class method: determine if file path points to a valid 7z archive. | |
''' | |
is7z = False | |
fp = None | |
try: | |
fp = open(filepath, 'rb') | |
archive = py7zlib.Archive7z(fp) | |
n = len(archive.getnames()) | |
is7z = True | |
finally: | |
if fp: | |
fp.close() | |
return is7z | |
def __init__(self, filepath): | |
fp = open(filepath, 'rb') | |
self.archive = py7zlib.Archive7z(fp) | |
def extractall(self, path): | |
for name in self.archive.getnames(): | |
outfilename = os.path.join(path, name) | |
outdir = os.path.dirname(outfilename) | |
if not os.path.exists(outdir): | |
os.makedirs(outdir) | |
outfile = open(outfilename, 'wb') | |
outfile.write(self.archive.getmember(name).read()) | |
outfile.close() | |
szfile = SevenZFile('MPlayer-p4-svn-34401.7z') | |
szfile.extractall('/tmp/') |
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