Python: wrap Algorithm::read and Algorithm::write

modules/features2d/include/opencv2/features2d.hpp

@@ -210,11 +210,15 @@ public:
 
     virtual void write( FileStorage&) const;
 
-    virtual void read( const FileNode&);
+    // see corresponding cv::Algorithm method
+    CV_WRAP virtual void read( const FileNode&);
 
     //! Return true if detector object is empty
     CV_WRAP virtual bool empty() const;
     CV_WRAP virtual String getDefaultName() const;
+
+    // see corresponding cv::Algorithm method
+    CV_WRAP inline void write(const Ptr<FileStorage>& fs, const String& name = String()) const { Algorithm::write(fs, name); }
 };
 
 /** Feature detectors in OpenCV have wrappers with a common interface that enables you to easily switch
@@ -985,7 +989,8 @@ public:
         read(fs.root());
     }
     // Reads matcher object from a file node
-    virtual void read( const FileNode& );
+    // see corresponding cv::Algorithm method
+    CV_WRAP virtual void read( const FileNode& );
     // Writes matcher object to a file storage
     virtual void write( FileStorage& ) const;
 
@@ -1012,6 +1017,10 @@ public:
 
     CV_WRAP static Ptr<DescriptorMatcher> create( int matcherType );
 
+
+    // see corresponding cv::Algorithm method
+    CV_WRAP inline void write(const Ptr<FileStorage>& fs, const String& name = String()) const { Algorithm::write(fs, name); }
+
 protected:
     /**
      * Class to work with descriptors from several images as with one merged matrix.