Add wrapper support for file streams

src/SWIG_files/common/IOStream.i

@@ -22,14 +22,36 @@ along with pythonOCC.  If not, see <http://www.gnu.org/licenses/>.
 %include <python/std_iostream.i>
 %include <python/std_string.i>
 
-/*
-Standard_OStream & function transformation
-The float number is returned in the output tuple
-*/
-%typemap(argout) Standard_OStream &OutValue {
+// Standard_IStream
+%typemap(in) std::istream& {
+  PyObject* temp_bytes = PyUnicode_AsEncodedString($input, "UTF-8", "strict");
+  std::string data(PyBytes_AsString(temp_bytes));
+  std::stringstream* ss = new std::stringstream(data);
+  $1 = ss;
+}
+
+%typemap(freearg) std::istream& {
+  delete $1;
+}
+
+// Standard_SStream
+%typemap(in) std::stringstream & {
+  PyObject* temp_bytes = PyUnicode_AsEncodedString($input, "UTF-8", "strict");
+  std::string data(PyBytes_AsString(temp_bytes));
+  std::stringstream* ss = new std::stringstream(data);
+  $1 = ss;
+}
+
+%typemap(freearg) std::stringstream & {
+  delete $1;
+}
+
+%typemap(argout) std::ostream &OutValue {
     PyObject *o, *o2, *o3;
-    std::ostringstream *output = static_cast<std::ostringstream *> ($1);
-    o = PyString_FromString(output->str().c_str());
+
+    std::string str = ((std::stringstream*)$1)->str();
+    o = PyUnicode_FromString(str.c_str());
+
     if ((!$result) || ($result == Py_None)) {
         $result = o;
     } else {
@@ -47,16 +69,7 @@ The float number is returned in the output tuple
     }
 }
 
-%typemap(in, numinputs=0) Standard_OStream &OutValue (std::ostringstream temp) {
+%typemap(in, numinputs=0) std::ostream &OutValue (std::stringstream temp) {
     $1 = &temp;
 }
 
-/*
-Standard_IStream & function transformation
-takes a string as input
-*/
-%typemap(in) Standard_IStream & {
-    char * in = PyString_AsString($input);
-    std::istringstream ss(in);
-    $1 = &ss;
-}

src/SWIG_files/wrapper/AIS.i

@@ -34,6 +34,7 @@ https://www.opencascade.com/doc/occt-7.7.0/refman/html/package_ais.html"
 %include ../common/EnumTemplates.i
 %include ../common/Operators.i
 %include ../common/OccHandle.i
+%include ../common/IOStream.i
 
 
 %{
@@ -3252,10 +3253,22 @@ Returns standard_true if the hidden lines are to be drawn. by default the hidden
 		Standard_Boolean DrawHiddenLine();
 
 
-        /****************** DumpJsonToString ******************/
-        %feature("autodoc", "Json string serializer.");
+        /****************** DumpJson ******************/
+        %feature("autodoc", "
+Parameters
+----------
+depth: int, default=-1
+
+Return
+-------
+str
+
+Description
+-----------
+Dump the object to JSON string.
+") DumpJson;
         %extend{
-            std::string DumpJsonToString(int depth=-1) {
+            std::string DumpJson(int depth=-1) {
             std::stringstream s;
             self->DumpJson(s, depth);
             return "{" + s.str() + "}" ;}
@@ -6245,10 +6258,22 @@ Each interactive object has methods which allow us to attribute an owner to it i
 		void ClearOwner();
 
 
-        /****************** DumpJsonToString ******************/
-        %feature("autodoc", "Json string serializer.");
+        /****************** DumpJson ******************/
+        %feature("autodoc", "
+Parameters
+----------
+depth: int, default=-1
+
+Return
+-------
+str
+
+Description
+-----------
+Dump the object to JSON string.
+") DumpJson;
         %extend{
-            std::string DumpJsonToString(int depth=-1) {
+            std::string DumpJson(int depth=-1) {
             std::stringstream s;
             self->DumpJson(s, depth);
             return "{" + s.str() + "}" ;}
@@ -15415,10 +15440,22 @@ Returns the color attributes of the shape accordingly to the current facing mode
 		virtual void Color(Quantity_Color & aColor);
 
 
-        /****************** DumpJsonToString ******************/
-        %feature("autodoc", "Json string serializer.");
+        /****************** DumpJson ******************/
+        %feature("autodoc", "
+Parameters
+----------
+depth: int, default=-1
+
+Return
+-------
+str
+
+Description
+-----------
+Dump the object to JSON string.
+") DumpJson;
         %extend{
-            std::string DumpJsonToString(int depth=-1) {
+            std::string DumpJson(int depth=-1) {
             std::stringstream s;
             self->DumpJson(s, depth);
             return "{" + s.str() + "}" ;}

src/SWIG_files/wrapper/AIS.pyi

@@ -571,6 +571,7 @@ class AIS_InteractiveContext(Standard_Transient):
     @overload
     def DisplayedObjects(self, theWhichKind: AIS_KindOfInteractive, theWhichSignature: int, theListOfIO: AIS_ListOfInteractive) -> None: ...
     def DrawHiddenLine(self) -> bool: ...
+    def DumpJson(self, depth: Optional[int]=-1) -> str: ...
     def EnableDrawHiddenLine(self) -> None: ...
     @overload
     def EndImmediateDraw(self, theView: V3d_View) -> bool: ...
@@ -792,6 +793,7 @@ class AIS_InteractiveContext(Standard_Transient):
 
 class AIS_InteractiveObject(SelectMgr_SelectableObject):
     def ClearOwner(self) -> None: ...
+    def DumpJson(self, depth: Optional[int]=-1) -> str: ...
     def GetContext(self) -> AIS_InteractiveContext: ...
     def GetOwner(self) -> Standard_Transient: ...
     def HasInteractiveContext(self) -> bool: ...
@@ -1424,6 +1426,7 @@ class AIS_Shape(AIS_InteractiveObject):
     def AcceptShapeDecomposition(self) -> bool: ...
     def BoundingBox(self) -> Bnd_Box: ...
     def Color(self, aColor: Quantity_Color) -> None: ...
+    def DumpJson(self, depth: Optional[int]=-1) -> str: ...
     def Material(self) -> Graphic3d_NameOfMaterial: ...
     def OwnDeviationAngle(self) -> Tuple[bool, float, float]: ...
     def OwnDeviationCoefficient(self) -> Tuple[bool, float, float]: ...

src/SWIG_files/wrapper/APIHeaderSection.i

@@ -34,6 +34,7 @@ https://www.opencascade.com/doc/occt-7.7.0/refman/html/package_apiheadersection.
 %include ../common/EnumTemplates.i
 %include ../common/Operators.i
 %include ../common/OccHandle.i
+%include ../common/IOStream.i
 
 
 %{

src/SWIG_files/wrapper/Adaptor2d.i

@@ -34,6 +34,7 @@ https://www.opencascade.com/doc/occt-7.7.0/refman/html/package_adaptor2d.html"
 %include ../common/EnumTemplates.i
 %include ../common/Operators.i
 %include ../common/OccHandle.i
+%include ../common/IOStream.i
 
 
 %{

src/SWIG_files/wrapper/Adaptor3d.i

@@ -34,6 +34,7 @@ https://www.opencascade.com/doc/occt-7.7.0/refman/html/package_adaptor3d.html"
 %include ../common/EnumTemplates.i
 %include ../common/Operators.i
 %include ../common/OccHandle.i
+%include ../common/IOStream.i
 
 
 %{

src/SWIG_files/wrapper/AdvApp2Var.i

@@ -34,6 +34,7 @@ https://www.opencascade.com/doc/occt-7.7.0/refman/html/package_advapp2var.html"
 %include ../common/EnumTemplates.i
 %include ../common/Operators.i
 %include ../common/OccHandle.i
+%include ../common/IOStream.i
 
 
 %{
@@ -314,14 +315,23 @@ No available documentation.
 ") CritError;
 		Standard_Real CritError(const Standard_Integer Dimension, const Standard_Integer Index);
 
+		/****************** Dump ******************/
+		/**** md5 signature: d37b43e0b2386dc096d5d707876db157 ****/
+		%feature("compactdefaultargs") Dump;
+		%feature("autodoc", "
+Parameters
+----------
+
+Return
+-------
+o: Standard_OStream
+
+Description
+-----------
+Prints on the stream 'o' information on the current state of the object.
+") Dump;
+		void Dump(std::ostream &OutValue);
 
-        %feature("autodoc", "1");
-        %extend{
-            std::string DumpToString() {
-            std::stringstream s;
-            self->Dump(s);
-            return s.str();}
-        };
 		/****************** HasResult ******************/
 		/**** md5 signature: 345d4b0f7e88f528928167976d8256d5 ****/
 		%feature("compactdefaultargs") HasResult;

src/SWIG_files/wrapper/AdvApp2Var.pyi

@@ -120,6 +120,7 @@ class AdvApp2Var_ApproxAFunc2Var:
     @overload
     def AverageError(self, Dimension: int, Index: int) -> float: ...
     def CritError(self, Dimension: int, Index: int) -> float: ...
+    def Dump(self) -> str: ...
     def HasResult(self) -> bool: ...
     def IsDone(self) -> bool: ...
     @overload

src/SWIG_files/wrapper/AdvApprox.i

@@ -34,6 +34,7 @@ https://www.opencascade.com/doc/occt-7.7.0/refman/html/package_advapprox.html"
 %include ../common/EnumTemplates.i
 %include ../common/Operators.i
 %include ../common/OccHandle.i
+%include ../common/IOStream.i
 
 
 %{
@@ -230,14 +231,23 @@ No available documentation.
 ") Degree;
 		Standard_Integer Degree();
 
+		/****************** Dump ******************/
+		/**** md5 signature: d37b43e0b2386dc096d5d707876db157 ****/
+		%feature("compactdefaultargs") Dump;
+		%feature("autodoc", "
+Parameters
+----------
+
+Return
+-------
+o: Standard_OStream
+
+Description
+-----------
+Display information on approximation.
+") Dump;
+		void Dump(std::ostream &OutValue);
 
-        %feature("autodoc", "1");
-        %extend{
-            std::string DumpToString() {
-            std::stringstream s;
-            self->Dump(s);
-            return s.str();}
-        };
 		/****************** HasResult ******************/
 		/**** md5 signature: 345d4b0f7e88f528928167976d8256d5 ****/
 		%feature("compactdefaultargs") HasResult;
@@ -599,14 +609,23 @@ No available documentation.
 ") DifTab;
 		opencascade::handle<TColStd_HArray1OfReal> DifTab();
 
+		/****************** Dump ******************/
+		/**** md5 signature: d37b43e0b2386dc096d5d707876db157 ****/
+		%feature("compactdefaultargs") Dump;
+		%feature("autodoc", "
+Parameters
+----------
+
+Return
+-------
+o: Standard_OStream
+
+Description
+-----------
+Display information on approximation.
+") Dump;
+		void Dump(std::ostream &OutValue);
 
-        %feature("autodoc", "1");
-        %extend{
-            std::string DumpToString() {
-            std::stringstream s;
-            self->Dump(s);
-            return s.str();}
-        };
 		/****************** FirstConstr ******************/
 		/**** md5 signature: f7818f8b2283dc680ce2b42c85a59f9d ****/
 		%feature("compactdefaultargs") FirstConstr;

src/SWIG_files/wrapper/AdvApprox.pyi

@@ -21,6 +21,7 @@ class AdvApprox_ApproxAFunction:
     @overload
     def AverageError(self, Dimension: int, Index: int) -> float: ...
     def Degree(self) -> int: ...
+    def Dump(self) -> str: ...
     def HasResult(self) -> bool: ...
     def IsDone(self) -> bool: ...
     def Knots(self) -> TColStd_HArray1OfReal: ...
@@ -54,6 +55,7 @@ class AdvApprox_SimpleApprox:
     def Coefficients(self) -> TColStd_HArray1OfReal: ...
     def Degree(self) -> int: ...
     def DifTab(self) -> TColStd_HArray1OfReal: ...
+    def Dump(self) -> str: ...
     def FirstConstr(self) -> TColStd_HArray2OfReal: ...
     def IsDone(self) -> bool: ...
     def LastConstr(self) -> TColStd_HArray2OfReal: ...

src/SWIG_files/wrapper/AppBlend.i

@@ -34,6 +34,7 @@ https://www.opencascade.com/doc/occt-7.7.0/refman/html/package_appblend.html"
 %include ../common/EnumTemplates.i
 %include ../common/Operators.i
 %include ../common/OccHandle.i
+%include ../common/IOStream.i
 
 
 %{

src/SWIG_files/wrapper/AppCont.i

@@ -34,6 +34,7 @@ https://www.opencascade.com/doc/occt-7.7.0/refman/html/package_appcont.html"
 %include ../common/EnumTemplates.i
 %include ../common/Operators.i
 %include ../common/OccHandle.i
+%include ../common/IOStream.i
 
 
 %{