[igraph] python igraph bug

[jujulj]

hi again,

it seems that there is a bug in python igraph when trying to get a
non-existing edge:

In [147]: G.get_eid(4336,3075)
*** glibc detected *** /usr/bin/python: free(): invalid pointer: 0xb77d271e ***
======= Backtrace: =========
/lib/tls/i686/cmov/libc.so.6[0xb7e0fd65]
/lib/tls/i686/cmov/libc.so.6(cfree+0x90)[0xb7e13800]
/home/jul/.python-eggs/igraph-0.4.4-py2.5-linux-i686.egg-tmp/igraph/core.so(igraph_i_adjlist_destroy+0x71)[0xb778a891]
/home/jul/.python-eggs/igraph-0.4.4-py2.5-linux-i686.egg-tmp/igraph/core.so(IGRAPH_FINALLY_FREE+0x3c)[0xb77868ec]
/home/jul/.python-eggs/igraph-0.4.4-py2.5-linux-i686.egg-tmp/igraph/core.so(igraphmodule_igraph_error_hook+0x69)[0xb77c7939]
/home/jul/.python-eggs/igraph-0.4.4-py2.5-linux-i686.egg-tmp/igraph/core.so(igraph_error+0x41)[0xb7786b81]
/home/jul/.python-eggs/igraph-0.4.4-py2.5-linux-i686.egg-tmp/igraph/core.so(igraph_get_eid+0x1d7)[0xb77380f7]
/home/jul/.python-eggs/igraph-0.4.4-py2.5-linux-i686.egg-tmp/igraph/core.so(igraphmodule_Graph_get_eid+0x96)[0xb77c6a96]
/usr/bin/python(PyEval_EvalFrameEx+0x5d0c)[0x80c8eec]
/usr/bin/python(PyEval_EvalCodeEx+0x775)[0x80ca115]
/usr/bin/python(PyEval_EvalFrameEx+0x61c2)[0x80c93a2]
/usr/bin/python(PyEval_EvalCodeEx+0x775)[0x80ca115]
/usr/bin/python(PyEval_EvalFrameEx+0x53f9)[0x80c85d9]
/usr/bin/python(PyEval_EvalCodeEx+0x775)[0x80ca115]
/usr/bin/python(PyEval_EvalFrameEx+0x53f9)[0x80c85d9]
/usr/bin/python(PyEval_EvalFrameEx+0x6135)[0x80c9315]
/usr/bin/python(PyEval_EvalCodeEx+0x775)[0x80ca115]
/usr/bin/python(PyEval_EvalFrameEx+0x53f9)[0x80c85d9]
/usr/bin/python(PyEval_EvalCodeEx+0x775)[0x80ca115]
/usr/bin/python(PyEval_EvalFrameEx+0x53f9)[0x80c85d9]
/usr/bin/python(PyEval_EvalCodeEx+0x775)[0x80ca115]
/usr/bin/python(PyEval_EvalFrameEx+0x53f9)[0x80c85d9]
/usr/bin/python(PyEval_EvalCodeEx+0x775)[0x80ca115]
/usr/bin/python(PyEval_EvalCode+0x57)[0x80ca187]
/usr/bin/python(PyRun_FileExFlags+0xf8)[0x80e9698]
/usr/bin/python(PyRun_SimpleFileExFlags+0x187)[0x80e9927]
/usr/bin/python(Py_Main+0x9c0)[0x8059390]
/usr/bin/python(main+0x22)[0x80588c2]
/lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe0)[0xb7dbc050]
/usr/bin/python[0x8058831]
======= Memory map: ========
08048000-0813f000 r-xp 00000000 08:03 1567530    /usr/bin/python2.5
0813f000-08164000 rw-p 000f6000 08:03 1567530    /usr/bin/python2.5
08164000-0cc08000 rw-p 08164000 00:00 0          [heap]
b3f3a000-b46f0000 rw-p b3f3a000 00:00 0
b4b94000-b4b96000 rw-p b4b94000 00:00 0
b4cd1000-b4cd3000 rw-p b4cd1000 00:00 0
b5087000-b5088000 rw-p b5087000 00:00 0
b51c4000-b51c5000 rw-p b51c4000 00:00 0
b5300000-b557c000 rw-p b5300000 00:00 0
b56b7000-b56b9000 rw-p b56b7000 00:00 0
b57f3000-b5abc000 rw-p b57f3000 00:00 0
b5baa000-b5bf9000 rw-p b5baa000 00:00 0
b5ce6000-b658f000 rw-p b5ce6000 00:00 0
b66cb000-b6a81000 rw-p b66cb000 00:00 0
b6d39000-b6d3a000 rw-p b6d39000 00:00 0
b6e76000-b6e77000 rw-p b6e76000 00:00 0
b6e9b000-b6fb3000 rw-p b6e9b000 00:00 0
b7100000-b7121000 rw-p b7100000 00:00 0
b7121000-b7200000 ---p b7121000 00:00 0
b7221000-b722b000 r-xp 00000000 08:03 130566     /lib/libgcc_s.so.1
b722b000-b722c000 rw-p 0000a000 08:03 130566     /lib/libgcc_s.so.1
b722c000-b7369000 rw-p b722c000 00:00 0
b736a000-b75bf000 rw-p b736a000 00:00 0
b75bf000-b75cd000 r-xp 00000000 08:03 1566895    /usr/lib/libagraph.so.3.0.0
b75cd000-b75ce000 rw-p 0000e000 08:03 1566895    /usr/lib/libagraph.so.3.0.0
b75e2000-b76fa000 r-xp 00000000 08:03 1568023    /usr/lib/libxml2.so.2.6.30
b76fa000-b76ff000 rw-p 00118000 08:03 1568023    /usr/lib/libxml2.so.2.6.30
b76ff000-b7700000 rw-p b76ff000 00:00 0
b7700000-b7702000 r-xp 00000000 08:03 1665733
/usr/lib/python2.5/lib-dynload/_heapq.so
b7702000-b7704000 rw-p 00002000 08:03 1665733
/usr/lib/python2.5/lib-dynload/_heapq.so
b7704000-b7708000 r-xp 00000000 08:03 1566896    /usr/lib/libcdt.so.3.0.0
b7708000-b7709000 rw-p 00003000 08:03 1566896    /usr/lib/libcdt.so.3.0.0
b7709000-b7713000 r-xp 00000000 08:03 1813579
/usr/lib/python-support/python-pygraphviz/python2.5/pygraphviz/_graphviz.so
b7713000-b7714000 rw-p 0000a000 08:03 1813579
/usr/lib/python-support/python-pygraphviz/python2.5/pygraphviz/_graphviz.so
b7714000-b77e2000 r-xp 00000000 08:05 11239444
/home/jul/.python-eggs/igraph-0.4.4-py2.5-linux-i686.egg-tmp/igraph/core.Aborted
(core dumped)

best
Jul