Dear sage-devel, I have a question related to void pointers in Cython. I am wrapping a C++ library that has a function that accepts a function pointer and each time it processes something it calls the passed function. The function being passed is defined as
void hook(void *user_param , unsigned int n, const unsigned int *aut). n, aut is the data computed by the library while user_param is anything the user wishes to pass to the function being called. Now, in my scenario it would be really nice if user_param could point to a tuple containing a dict and a list. Hence my question is: Is there a way in Cython to obtain the address of a Python data structure and later on for this address to be casted to the corresponding Python type? The alternative that I am currently using is to ignore user_param completely and keep some global data structures to store the results being passed to hook. I am not sure if this is less ugly than passing a void pointer and casting or not. Best, Jernej -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at http://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
