added utils.obj2dict

gluon/utils.py

@@ -23,7 +23,7 @@ import logging
 import socket
 import base64
 import zlib
-
+import types
 
 _struct_2_long_long = struct.Struct('=QQ')
 
@@ -351,3 +351,28 @@ def getipaddrinfo(host):
                 and isinstance(addrinfo[4][0], basestring)]
     except socket.error:
         return []
+
+def obj2dict(obj, processed=None):
+    """
+    converts any objet into a dict, recursively
+    """
+    processed = processed if not processed is None else set()
+    if obj is None:
+        return None
+    if isinstance(obj,(int,long,str,unicode,float,bool)):
+        return obj
+    if id(obj) in processed:
+        return '<reference>'
+    processed.add(id(obj))
+    if isinstance(obj,(list,tuple)):
+        return [obj2dict(item,processed) for item in obj]
+    if not isinstance(obj, dict) and hasattr(obj,'__dict__'):
+        obj = obj.__dict__
+    else:
+        return repr(obj)
+    return dict((key,obj2dict(value,processed)) for key,value in obj.items()
+                if not key.startswith('_') and
+                not type(value) in (types.FunctionType,
+                                    types.LambdaType,
+                                    types.BuiltinFunctionType,
+                                    types.BuiltinMethodType))