test_tarfile.py 文件源码

python
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项目:zippy 作者: securesystemslab 项目源码 文件源码
def test_ignore_zeros(self):
        # Test TarFile's ignore_zeros option.
        if self.mode.endswith(":gz"):
            _open = gzip.GzipFile
        elif self.mode.endswith(":bz2"):
            _open = bz2.BZ2File
        else:
            _open = open

        for char in (b'\0', b'a'):
            # Test if EOFHeaderError ('\0') and InvalidHeaderError ('a')
            # are ignored correctly.
            with _open(tmpname, "wb") as fobj:
                fobj.write(char * 1024)
                fobj.write(tarfile.TarInfo("foo").tobuf())

            tar = tarfile.open(tmpname, mode="r", ignore_zeros=True)
            try:
                self.assertListEqual(tar.getnames(), ["foo"],
                    "ignore_zeros=True should have skipped the %r-blocks" % char)
            finally:
                tar.close()
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