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import tarfile
import sys
import parser
import mat
import shutil
class TarStripper(parser.Generic_parser):
def compression_type(self):
self.compression = ''
def remove_all(self):
self.compression_type()
if not tarfile.is_tarfile(self.filename):
print('%s is not a valid tar file' % self.filename)
sys.exit(1)
tarin = tarfile.open(self.filename, 'r' + self.compression)
tarout = tarfile.open(self.filename + parser.POSTFIX,
'w' + self.compression)
folder_list = []
for current_file in tarin.getmembers():
tarin.extract(current_file)
if current_file.type is '0': #is current_file a regular file ?
#no backup file
class_file = mat.create_class_file(current_file.name, False)
class_file.remove_all()
tarout.add(current_file.name)
class_file.secure_remove()
else:
folder_list.insert(0, current_file.name)
for folder in folder_list: #delete remainings folders
shutil.rmtree(folder)
#meta from the tar itself
tarout.mtime = None
tarout.close()
tarin.close()
def is_clean(self):
return False
class GzipStripper(TarStripper):
def compression_type(self):
self.compression = ':gz'
class Bzip2Stripper(TarStripper):
def compression_type(self):
self.compression = ':bz2'
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