Merge branch '4.x' into '5.x'

modules/python/src2/cv2_convert.cpp

@@ -56,7 +56,7 @@ bool pyopencv_to(PyObject* o, Mat& m, const ArgInfo& info)
     if(!o || o == Py_None)
     {
         if( !m.data )
-            m.allocator = &g_numpyAllocator;
+            m.allocator = &GetNumpyAllocator();
         return true;
     }
 
@@ -298,14 +298,14 @@ bool pyopencv_to(PyObject* o, Mat& m, const ArgInfo& info)
 #endif
 
     m = Mat(ndims, size, type, PyArray_DATA(oarr), step);
-    m.u = g_numpyAllocator.allocate(o, ndims, size, type, step);
+    m.u = GetNumpyAllocator().allocate(o, ndims, size, type, step);
     m.addref();
 
     if( !needcopy )
     {
         Py_INCREF(o);
     }
-    m.allocator = &g_numpyAllocator;
+    m.allocator = &GetNumpyAllocator();
 
     return true;
 }
@@ -316,9 +316,9 @@ PyObject* pyopencv_from(const cv::Mat& m)
     if( !m.data )
         Py_RETURN_NONE;
     cv::Mat temp, *p = (cv::Mat*)&m;
-    if(!p->u || p->allocator != &g_numpyAllocator)
+    if(!p->u || p->allocator != &GetNumpyAllocator())
     {
-        temp.allocator = &g_numpyAllocator;
+        temp.allocator = &GetNumpyAllocator();
         ERRWRAP2(m.copyTo(temp));
         p = &temp;
     }

modules/python/src2/cv2_numpy.cpp

@@ -6,8 +6,6 @@
 #include "cv2_numpy.hpp"
 #include "cv2_util.hpp"
 
-NumpyAllocator g_numpyAllocator;
-
 using namespace cv;
 
 UMatData* NumpyAllocator::allocate(PyObject* o, int dims, const int* sizes, int type, size_t* step) const

modules/python/src2/cv2_numpy.hpp

@@ -18,7 +18,7 @@ public:
     const cv::MatAllocator* stdAllocator;
 };
 
-extern NumpyAllocator g_numpyAllocator;
+inline NumpyAllocator& GetNumpyAllocator() {static NumpyAllocator gNumpyAllocator;return gNumpyAllocator;}
 
 //======================================================================================================================
 

modules/python/src2/hdr_parser.py

@@ -515,9 +515,9 @@ class CppHeaderParser(object):
             if rettype == classname or rettype == "~" + classname:
                 rettype, funcname = "", rettype
             else:
-                if bool(re.match('\w+\s+\(\*\w+\)\s*\(.*\)', decl_str)):
+                if bool(re.match(r'\w+\s+\(\*\w+\)\s*\(.*\)', decl_str)):
                     return [] # function typedef
-                elif bool(re.match('\w+\s+\(\w+::\*\w+\)\s*\(.*\)', decl_str)):
+                elif bool(re.match(r'\w+\s+\(\w+::\*\w+\)\s*\(.*\)', decl_str)):
                     return [] # class method typedef
                 elif bool(re.match('[A-Z_]+', decl_start)):
                     return [] # it seems to be a macro instantiation

modules/python/src2/typing_stubs_generation/api_refinement.py

@@ -325,6 +325,7 @@ def _find_argument_index(arguments: Sequence[FunctionNode.Arg],
 NODES_TO_REFINE = {
     SymbolName(("cv", ), (), "resize"): make_optional_arg("dsize"),
     SymbolName(("cv", ), (), "calcHist"): make_optional_arg("mask"),
+    SymbolName(("cv", ), (), "floodFill"): make_optional_arg("mask"),
 }
 
 ERROR_CLASS_PROPERTIES = (

modules/python/src2/typing_stubs_generation/predefined_types.py

@@ -194,6 +194,13 @@ _PREDEFINED_TYPES = (
         export_name="ExtractMetaCallback"
     ),
     AliasTypeNode.class_("LayerId", "DictValue"),
+    AliasTypeNode.dict_("LayerParams",
+                        key_type=PrimitiveTypeNode.str_(),
+                        value_type=UnionTypeNode("DictValue", items=(
+                            PrimitiveTypeNode.int_(),
+                            PrimitiveTypeNode.float_(),
+                            PrimitiveTypeNode.str_())
+                        )),
     PrimitiveTypeNode.int_("cvflann_flann_distance_t"),
     PrimitiveTypeNode.int_("flann_flann_distance_t"),
     PrimitiveTypeNode.int_("cvflann_flann_algorithm_t"),