Adding how we are making the git wiki graphs.

tools/graph_make.py

@@ -0,0 +1,33 @@
+import objgraph
+import inspect
+
+from devstack import settings
+from devstack.progs import common
+
+distro = settings.RHEL6
+comps = common.get_default_components(distro)
+def filter_c(c):
+    if not inspect.isclass(c):
+        return False
+    if c is object:
+        return False
+    return True
+
+action = settings.INSTALL
+klss = list()
+for c in comps.keys():
+    kls = common.get_action_cls(action, c, distro)
+    klss.append(kls)
+
+max_depth = 5
+fn = "%s.png" % (action)
+objgraph.show_refs(klss, 
+                filename=fn,
+                max_depth=max_depth,
+                highlight=inspect.isclass,
+                filter=filter_c,
+                extra_ignore=[id(locals())])
+
+
+    
+