kicad/pcbnew/swig/board_item_container.i

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// Rename Add(), Remove() and Delete() to {Add,Remove,Delete}Native() and
// then implement Add() Remove() and Delete() in python so we can manage
// the ownership flag: thisown.
%rename(AddNative) BOARD_ITEM_CONTAINER::Add;
%rename(RemoveNative) BOARD_ITEM_CONTAINER::Remove;
%rename(DeleteNative) BOARD_ITEM_CONTAINER::Delete;
%include board_item_container.h
%{
#include <board_item_container.h>
%}
%extend BOARD_ITEM_CONTAINER
{
%pythoncode
%{
def Add(self,item):
"""
Add a BOARD_ITEM to this BOARD_ITEM_CONTAINER, clear the thisown to prevent
python from deleting the object in the garbage collector
Add(BOARD_ITEM_CONTAINER self, BOARD_ITEM aItem, ADD_MODE aMode=ADD_INSERT)
Add(BOARD_ITEM_CONTAINER self, BOARD_ITEM aItem)
"""
item.thisown=0
self.AddNative(item)
def Remove(self,item):
"""
Remove a BOARD_ITEM from this BOARD_ITEM_CONTAINER, set the thisdown flag so that
the python wrapper owns the C++ BOARD_ITEM
Remove(self, BOARD_ITEM)
"""
self.RemoveNative(item)
item.thisown=1
def Delete(self,item):
"""
Remove a BOARD_ITEM from this BOARD_ITEM_CONTAINER, set the thisdown flag so that
the python wrapper does not owns the C++ BOARD_ITEM
Delete(self, BOARD_ITEM)
"""
item.thisown=0 # C++'s BOARD_ITEM_CONTAINER::Delete() will delete
self.DeleteNative(item)
item.this = None
%}
}