Python pytar_iter_reset Examples

Example #1

File: test__pylibtar.py Project: tgulacsi/libtar-ng-python

# -*- coding: utf-8 -*-
import os
import _pylibtar
TESTTAR = '/tmp/_pylibtar-test.tar'

print 'opening %s for append' % TESTTAR
tar = _pylibtar.pytar_open(TESTTAR, 'a')
print 'tar:', tar
print 'append:', _pylibtar.pytar_append_file(tar, __file__,
    os.path.basename(__file__))
print 'close:', _pylibtar.pytar_close(tar)

print 'ITER'
tar = _pylibtar.pytar_open(TESTTAR, 'r')
print 'tar:', tar, 'ITER_RESET'
print _pylibtar.pytar_iter_reset(tar)
info = None
while 1:
    try:
        print 'ITER_NEXT', os.lseek(_pylibtar.tar_fd(tar), 0, 1)
        info = _pylibtar.pytar_iter_next(tar)
    except StopIteration:
        break
    print 'INFO: %r' % info
    if not info: break

if info:
    import sys
    print 'EXTRACTING %s' % info
    _pylibtar.pytar_extract(tar, info['offset'], sys.stdout.fileno())

Example #2

File: pylibtar.py Project: tgulacsi/libtar-ng-python

 def __iter__(self):
     '''Returns an iterator over the tar entries (info dicts with offset, too)'''
     if not 'r' == self.mode:
         raise ValueError, 'Cannot iterate in append mode'
     assert 0 == _pylibtar.pytar_iter_reset(self.tar)
     return self