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rAKA/python/swig/aka_common.i
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aka_common.i
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%{
#include "aka_common.hh"
#include "aka_csr.hh"
#include "element.hh"
%}
namespace akantu {
%ignore getStaticParser;
%ignore getUserParser;
%ignore initialize(int & argc, char ** & argv);
%ignore initialize(const std::string & input_file, int & argc, char ** & argv);
extern const Array<UInt> empty_filter;
%ignore CSR::begin;
}
%typemap(in) (int argc, char *argv[]) {
int i;
if (!PyList_Check($input)) {
PyErr_SetString(PyExc_ValueError, "Expecting a list");
return NULL;
}
$1 = PyList_Size($input);
$2 = (char **) malloc(($1+1)*sizeof(char *));
for (i = 0; i < $1; i++) {
PyObject *s = PyList_GetItem($input,i);
if (!PyString_Check(s)) {
free($2);
PyErr_SetString(PyExc_ValueError, "List items must be strings");
return NULL;
}
$2[i] = PyString_AsString(s);
}
$2[i] = 0;
}
%typemap(freearg) (int argc, char *argv[]) {
if ($2) free($2);
}
%inline %{
namespace akantu {
void initialize(const std::string & input_file) {
int argc = 0;
char ** argv = NULL;
initialize(input_file, argc, argv);
}
void initialize() {
int argc = 0;
char ** argv = NULL;
initialize(argc, argv);
}
void _initializeWithArgv(const std::string & input_file, int argc, char *argv[]) {
initialize(input_file, argc, argv);
}
}
%}
%pythoncode %{
import sys as _aka_sys
def initializeWithArgv(input_file):
_initializeWithArgv(input_file, _aka_sys.argv)
%}
%include "aka_common.hh"
%include "aka_element_classes_info.hh"
%include "element.hh"
%inline %{
namespace akantu{
template <typename T>
class CSRIterator{
public:
CSRIterator(CSR<T> & csr,UInt row) {
this->it = csr.begin(row);
this->end = csr.end(row);
};
~CSRIterator(){
};
T & __next_cpp(){
if (this->it == this->end) AKANTU_SILENT_EXCEPTION("StopIteration");
T & ref = *(this->it);
++this->it;
return ref;
}
private:
typename CSR<T>::iterator it;
typename CSR<T>::iterator end;
};
}
%}
%extend akantu::CSRIterator<akantu::Element>
{
%insert("python") %{
def __iter__(self):
return self
def __next__(self):
try:
return self.__next_cpp()
except Exception as e:
raise StopIteration
def next(self):
return self.__next__()
%}
}
%extend akantu::CSR<akantu::Element>
{
akantu::CSRIterator<akantu::Element> row(akantu::UInt row){
return akantu::CSRIterator<akantu::Element>(*$self,row);
}
}
%include "aka_csr.hh"
namespace akantu {
%template (CSRUInt) CSR<UInt>;
%template (CSRElement) CSR<Element>;
%template (CSRIteratorElement) CSRIterator<Element>;
}
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