On Mon, Mar 22, 2010 at 7:44 PM, Ondrej Certik <[email protected]> wrote:
> Hi,
>
> today I fixed hopefully the remaining bugs in Python <-> C++ interface:
>
> * Use the Python() C++ class as the only interface to Python
> * properly deallocated all memory when the Python() class is deleted
> * fixed numerous segfaults related to that
> * figured out how to pass your own (derived) C++ class to Python and
> get its virtual methods called properly from Python
> * figured out how to write the PY_NEW() function in Cython only,
> without the need of the stdcython.h/c files (that we currently have in
> hermes2d)
> * wrote test cases to all of the above (that could also serve as
> examples of usage, both in Python and in C++)
I forgot to add, that the namespace is local to the Python() instance,
so the following works (see the tests):
void test_basic4()
{
Python *p1 = new Python();
Python *p2 = new Python();
p1->push("i", c2py_int(5));
p2->push("i", c2py_int(6));
p1->exec("i = i*2");
p2->exec("i = i*2");
int i1 = py2c_int(p1->pull("i"));
int i2 = py2c_int(p2->pull("i"));
_assert(i1 == 10);
_assert(i2 == 12);
delete p1;
delete p2;
}
Ondrej
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