python: fix CV_WRAP_AS handling

modules/python/src2/hdr_parser.py

@@ -255,6 +255,8 @@ class CppHeaderParser(object):
             l = l.replace("CV_EXPORTS_W_SIMPLE", "")
             modlist.append("/Simple")
         npos = l.find("CV_EXPORTS_AS")
+        if npos < 0:
+            npos = l.find('CV_WRAP_AS')
         if npos >= 0:
             macro_arg, npos3 = self.get_macro_arg(l, npos)
             modlist.append("=" + macro_arg)
@@ -825,7 +827,11 @@ class CppHeaderParser(object):
                     continue
                 state = SCAN
                 l = re.sub(r'//(.+)?', '', l).strip()  # drop // comment
-                if l == '#if 0' or l == '#if defined(__OPENCV_BUILD)' or l == '#ifdef __OPENCV_BUILD':
+                if l in [
+                    '#if 0',
+                    '#if defined(__OPENCV_BUILD)', '#ifdef __OPENCV_BUILD',
+                    '#if !defined(OPENCV_BINDING_PARSER)', '#ifndef OPENCV_BINDING_PARSER',
+                ]:
                     state = DIRECTIVE_IF_0
                     depth_if_0 = 1
                 continue