Cleanup core module API

* Drop some low level API
* Remove outdated overloads
* Utilize Input/OutputArray

modules/python/src2/gen2.py

@@ -3,6 +3,8 @@
 import hdr_parser, sys, re, os, cStringIO
 from string import Template
 
+ignored_arg_types = ["RNG*"]
+
 gen_template_check_self = Template("""    if(!PyObject_TypeCheck(self, &pyopencv_${name}_Type))
         return failmsgp("Incorrect type of self (must be '${name}' or its derivative)");
     $cname* _self_ = ${amp}((pyopencv_${name}_t*)self)->v;
@@ -426,6 +428,8 @@ class FuncVariant(object):
             argno += 1
             if a.name in self.array_counters:
                 continue
+            if a.tp in ignored_arg_types:
+                continue
             if a.returnarg:
                 outlist.append((a.name, argno))
             if (not a.inputarg) and a.isbig():
@@ -586,6 +590,16 @@ class FuncInfo(object):
             # form the function/method call,
             # for the list of type mappings
             for a in v.args:
+                if a.tp in ignored_arg_types:
+                    defval = a.defval
+                    if not defval and a.tp.endswith("*"):
+                        defval = 0
+                    assert defval
+                    if not code_fcall.endswith("("):
+                        code_fcall += ", "
+                    code_fcall += defval
+                    all_cargs.append([[None, ""], ""])
+                    continue
                 tp1 = tp = a.tp
                 amp = ""
                 defval0 = ""