[ADD] order in location

src/obitools/location/__init__.py

@@ -368,6 +368,12 @@ class CompositeLocation(Location):
     def __str__(self):
         return "join(%s)" % ','.join([str(x) 
                                       for x in self._locs])
+
+class CompositeLocationOrder(CompositeLocation):
+
+    def __str__(self):
+        return "order(%s)" % ','.join([str(x) 
+                                      for x in self._locs])
     
 class ComplementLocation(Location):
     """
@@ -477,6 +483,9 @@ def __locationParser(text):
     if text[0:5]=='join(':
         assert text[-1]==')',"Misformated location : %s" % text
         return CompositeLocation(__locationParser(sl) for sl in __sublocationIterator(text[5:-1]))
+    if text[0:6]=='order(':
+        assert text[-1]==')',"Misformated location : %s" % text
+        return CompositeLocationOrder(__locationParser(sl) for sl in __sublocationIterator(text[6:-1]))
     elif text[0:11]=='complement(':
         assert text[-1]==')',"Misformated location : %s" % text
         subl = tuple(__locationParser(sl) for sl in __sublocationIterator(text[11:-1]))