~ed.so/duplicity/reuse-passphrase-for-signing-fix

"""Check for memory leak in tarfile.py.

 

Before somehow reading from a _FileObject as returned by extractfile()

would cause a memory leak.

 

"""

 

import sys, gzip, os, random

sys.path.insert(0, "../src")

import tarfile

 

def main():

        #gzipfile = gzip.GzipFile("/root/.duplicity/full/duplicity-signatures.2002-08-06T22:07:07-07:00.sigtar.gz", "rb")

        #gzipfile = os.popen("zcat /root/.duplicity/full/duplicity-signatures.2002-08-06T22:07:07-07:00.sigtar.gz")

        gzipfile = gzip.GzipFile(None, "r", 9,

                                                         open("/root/.duplicity/full/duplicity-signatures.2002-08-06T22:07:07-07:00.sigtar.gz", "rb"))

        tf =  tarfile.TarFile("none", "r", gzipfile)

        i = 0

        for tarinfo in tf:

                print tarinfo.name, i, tarinfo.size

                i += 1

                if tarinfo.isreg():

                        fileobj = tf.extractfile(tarinfo)

                        #buf = fileobj.read()

                        buf = tf.fileobj.read(tarinfo.size)

                        tf.offset += tarinfo.size

 

def main2():

        gzipfile  = gzip.GzipFile("/root/.duplicity/full/duplicity-signatures.2002-08-06T22:07:07-07:00.sigtar.gz", "rb")

 

        while 1:

                buf = gzipfile.read(random.randrange(0, 500000))

                #buf = gzipfile.read(500000)

                if not buf: break

 

 

main2()