pyMML: Add base for DTM bindings.

Projects/libmml/pymml/mmldtm.py

@@ -1,20 +1,43 @@
 from ctypes import *
 from mmltypes import RESULT_OK, RESULT_FALSE, RESULT_ERROR
 
-# TODO:
-#   Load from user defined points. (So called dynamic)
+# There are several problems with DTM and libMML.
+# We could create them in the libMML DTM manager, but we'll have to keep track
+# of the DTMs; and if Python garbage collector deletes then, we could try to use
+# __del__ to clear it from the DTM Manager.
+# 
+# Or we could go for a bit of overhead and create the DTM every time we want to
+# 'find' it. 
 
+# TMDTMPoint Structure
+class _DTMPoint(Structure):
+    _fields_ = [('x', c_int), ('y', c_int), ('c', c_int), ('t', c_int), \
+            ('asz', c_int), ('bp', c_int)]
+
+class DTMPoint(object):
+    def __init__(self, x, y, c, t, asz, bp):
+        self.x, self.y, self.c, self.t, self.asz, self.bp = x, y, c, t, asz, bp
+
+class DTMException(Exception):
+    pass
 
 class DTM(object):
 
-    def __init__(self):
-        pass
+    def __init__(self, points):
+        if type(points) not in [list, tuple]:
+            raise DTMException('points is not a list or tuple')
+        for i in points:
+            if type(i) is not DTMPoint:
+                raise DTMException('Each point in points should be a DTMPoint')
+
+        self.points = points
+        self.name = 'Unnamed DTM'
 
     def __del__(self):
         pass
 
     def __repr__(self):
-        pass
+        return '<DTM: %s>' % self.name
 
     def to_str(self):
         pass
@@ -26,6 +49,7 @@ class DTM(object):
         pass
 
     def set_name(self):
+        self.name = name
         pass