[cctbxbb] print dxtbx.model.Scan()

[James Holton]

The following sequence of commands:

% source build/setpaths.csh
% libtbx.python
 >>> import dxtbx
 >>> from dxtbx import model
 >>> print dxtbx.model.Scan()

seems to cause Python itself to core dump.  Is this expected?

show_stack(1): <stdin>(1) <module>
libc backtrace (25 frames, most recent call last):
   /home/jamesh/projects/cctbx-dev/build/../base/bin/python2.7() [0x400659]
   /lib64/libc.so.6(__libc_start_main+0xfd) [0x34e961ed1d]
/home/jamesh/projects/cctbx-dev/base/bin/../lib/libpython2.7.so.1.0(Py_Main+0xc74) 
[0x7f93eb5c2b74]
/home/jamesh/projects/cctbx-dev/base/bin/../lib/libpython2.7.so.1.0(PyRun_AnyFileExFlags+0x4c) 
[0x7f93eb5ad78c]
/home/jamesh/projects/cctbx-dev/base/bin/../lib/libpython2.7.so.1.0(PyRun_InteractiveLoopFlags+0x4e) 
[0x7f93eb5ad04e]
/home/jamesh/projects/cctbx-dev/base/bin/../lib/libpython2.7.so.1.0(PyRun_InteractiveOneFlags+0x195) 
[0x7f93eb5ace35]
/home/jamesh/projects/cctbx-dev/base/bin/../lib/libpython2.7.so.1.0(PyEval_EvalCode+0x32) 
[0x7f93eb58d4e2]
/home/jamesh/projects/cctbx-dev/base/bin/../lib/libpython2.7.so.1.0(PyEval_EvalCodeEx+0x88e) 
[0x7f93eb58d3ce]
/home/jamesh/projects/cctbx-dev/base/bin/../lib/libpython2.7.so.1.0(PyEval_EvalFrameEx+0x3ef0) 
[0x7f93eb589de0]
/home/jamesh/projects/cctbx-dev/base/bin/../lib/libpython2.7.so.1.0(PyFile_WriteObject+0x78) 
[0x7f93eb503b58]
/home/jamesh/projects/cctbx-dev/base/bin/../lib/libpython2.7.so.1.0(+0x958f2) 
[0x7f93eb5288f2]
/home/jamesh/projects/cctbx-dev/base/bin/../lib/libpython2.7.so.1.0(PyObject_Str+0xa) 
[0x7f93eb52879a]
/home/jamesh/projects/cctbx-dev/base/bin/../lib/libpython2.7.so.1.0(_PyObject_Str+0x7b) 
[0x7f93eb5286ab]
/home/jamesh/projects/cctbx-dev/base/bin/../lib/libpython2.7.so.1.0(+0xb5a1e) 
[0x7f93eb548a1e]
/home/jamesh/projects/cctbx-dev/base/bin/../lib/libpython2.7.so.1.0(PyEval_CallObjectWithKeywords+0x43) 
[0x7f93eb584fd3]
/home/jamesh/projects/cctbx-dev/base/bin/../lib/libpython2.7.so.1.0(PyObject_Call+0x53) 
[0x7f93eb4dc093]
/home/jamesh/projects/cctbx-dev/base/bin/../lib/libpython2.7.so.1.0(+0x5b6cf) 
[0x7f93eb4ee6cf]
/home/jamesh/projects/cctbx-dev/base/bin/../lib/libpython2.7.so.1.0(PyObject_Call+0x53) 
[0x7f93eb4dc093]
/home/jamesh/projects/cctbx-dev/build/lib/libboost_python.so(+0x2d088) 
[0x7f93e3f23088]
/home/jamesh/projects/cctbx-dev/build/lib/libboost_python.so(boost::python::handle_exception_impl(boost::function0<void>)+0x43) 
[0x7f93e3f34013]
/home/jamesh/projects/cctbx-dev/build/lib/libboost_python.so(+0x2fe08) 
[0x7f93e3f25e08]
/home/jamesh/projects/cctbx-dev/build/lib/libboost_python.so(boost::python::objects::function::call(_object*, 
_object*) const+0xef) [0x7f93e3f251ff]
/home/jamesh/projects/cctbx-dev/build/lib/dxtbx_model_ext.so(boost::python::objects::caller_py_function_impl<boost::python::detail::caller<std::string 
(*)(dxtbx::model::Scan const&), boost::python::default_call_policies, 
boost::mpl::vector2<std::string, dxtbx::model::Scan const&> > 
 >::operator()(_object*, _object*)+0x83) [0x7f93db88a7a3]
/home/jamesh/projects/cctbx-dev/build/lib/dxtbx_model_ext.so(dxtbx::model::boost_python::scan_to_string(dxtbx::model::Scan 
const&)+0x319) [0x7f93db871929]
   /lib64/libc.so.6() [0x34e9632510]
Segmentation fault (Python and libc call stacks above)