adding decode() method

src/message.cc

@@ -106,6 +106,19 @@ namespace pEp {
             return PyBuffer_FillInfo(view, self, bl->value, bl->size, 0, flags);
         }
 
+        string Message::Blob::decode(string encoding)
+        {
+            if (encoding == "") {
+                if (string(_bl->mime_type) == "application/pEp")
+                    encoding = "sync";
+                else
+                    encoding = "ascii";
+            }
+            object codecs = import("codecs");
+            object _decode = codecs.attr("decode");
+            return call< string >(_decode.ptr(), this, encoding);
+        }
+
         PyBufferProcs Message::Blob::bp = { getbuffer, NULL };
 
         Message::Message(PEP_msg_direction dir, Identity *from)

src/message.hh

@@ -41,6 +41,8 @@ namespace pEp {
                 void filename(string value) { str_attr(_bl->filename, value); }
 
                 size_t size() { return _bl->size; }
+                string decode(string encoding);
+                string decode() { return decode(""); }
 
                 static PyBufferProcs bp;
 

src/pEpmodule.cc

@@ -106,6 +106,8 @@ BOOST_PYTHON_MODULE(pEp)
         .def(init<object>())
         .def("__repr__", &Message::Blob::_repr)
         .def("__len__", &Message::Blob::size, "size of Blob data in bytes")
+        .def("decode", (string(Message::Blob::*)(string)) &Message::Blob::decode, "decode Blob data into string")
+        .def("decode", (string(Message::Blob::*)()) &Message::Blob::decode, "decode Blob data into string")
         .add_property("mime_type", (string(Message::Blob::*)()) &Message::Blob::mime_type,
                 (void(Message::Blob::*)(string)) &Message::Blob::mime_type,
                 "MIME type of object in Blob")