Description of problem:

python lzma binding segfault when __init__ with non-existent file after executing the constructor (Python 2.7)

Version-Release number of selected component (if applicable):

pyliblzma-0.5.3-7.fc18.x86_64 

How reproducible:

Always.

Steps to Reproduce:
1. [sky@localhost cutecat]$ cat /tmp/lzma_segfault.py 
import lzma
file = lzma.LZMAFile("/tmp/file.lzma", "w")
file.write(b"xxxx")
file.close()
with lzma.LZMAFile("/tmp/file.lzma", "w") as f:
    f.__init__("non-existent")
2. [sky@localhost cutecat]$ python /tmp/lzma_segfault.py 

Actual results:

Segmentation fault (core dumped)

Expected results:

Not crash.

Additional info:

See also http://bugs.python.org/issue19878

The official python 2.7 does not provide lzma binding. See http://bugs.python.org/issue19885.