Merge branch 'master' of https://github.com/amluto/capnpc-python-cpp into develop

Conflicts:
	capnp/capnp.pyx
	capnp/capnp_cpp.pxd

capnp/capnp.pyx

@@ -350,6 +350,7 @@ cdef class _DynamicStructReader:
     """
     cdef C_DynamicStruct.Reader thisptr
     cdef public object _parent
+    cdef object _obj_to_pin
     cdef _init(self, C_DynamicStruct.Reader other, object parent):
         self.thisptr = other
         self._parent = parent
@@ -382,6 +383,14 @@ cdef class _DynamicStructReader:
         """
         return fixMaybe(self.thisptr.which()).getProto().getName().cStr()
 
+    property schema:
+        """A _StructSchema object matching this reader"""
+        def __get__(self):
+            return _StructSchema()._init(self.thisptr.getSchema())
+
+    def __dir__(self):
+        return list(self.schema.fieldnames)
+
 cdef class _DynamicStructBuilder:
     """Builds Cap'n Proto structs
 
@@ -531,6 +540,21 @@ cdef class _DynamicStructBuilder:
         """
         return _DynamicOrphan()._init(self.thisptr.disown(field), self._parent)
 
+    cpdef asReader(self):
+          cdef _DynamicStructReader reader
+          reader = _DynamicStructReader()._init(self.thisptr.asReader(),
+                                                self._parent)
+          reader._obj_to_pin = self
+          return reader
+
+    property schema:
+        """A _StructSchema object matching this reader"""
+        def __get__(self):
+            return _StructSchema()._init(self.thisptr.getSchema())
+
+    def __dir__(self):
+        return list(self.schema.fieldnames)
+
 cdef class _DynamicOrphan:
     cdef C_DynamicOrphan thisptr
     cdef public object _parent
@@ -569,10 +593,28 @@ cdef class _Schema:
 
 cdef class _StructSchema:
     cdef C_StructSchema thisptr
+    cdef object __fieldnames
     cdef _init(self, C_StructSchema other):
         self.thisptr = other
+        self.__fieldnames = None
         return self
 
+    property fieldnames:
+        """A tuple of the field names in the struct."""
+        def __get__(self):
+            if self.__fieldnames is not None:
+               return self.__fieldnames
+            fieldlist = self.thisptr.getFields()
+            nfields = fieldlist.size()
+            self.__fieldnames = tuple(fieldlist[i].getProto().getName().cStr()
+                                      for i in xrange(nfields))
+            return self.__fieldnames
+
+    property node:
+        """The raw schema node"""
+        def __get__(self):
+            return _DynamicStructReader()._init(self.thisptr.getProto(), None)
+
 cdef class _ParsedSchema:
     cdef C_ParsedSchema thisptr
     cdef _init(self, C_ParsedSchema other):