add a GitlabObject.pretty_print method

gitlab.py

@@ -448,6 +448,23 @@ def __init__(self, gl, data=None, **kwargs):
     def __str__(self):
         return '%s => %s' % (type(self), str(self.__dict__))
 
+    def pretty_print(self, depth=0):
+        print "%sid: %s" % (" " * depth * 2, self.id)
+        for k in sorted(self.__dict__.keys()):
+            if k == "id":
+                continue
+            v = self.__dict__[k]
+            if isinstance(v, GitlabObject):
+                if depth == 0:
+                    print "%s:" % k
+                    v.pretty_print(1)
+                else:
+                    print "%s: %s" % (k, v.id)
+            else:
+                if isinstance(v, Gitlab):
+                    continue
+                print "%s%s: %s" % (" " * depth * 2, k, v)
+
     def json(self):
         return json.dumps(self.__dict__, cls=jsonEncoder)