Monkey patch spyne to Json-serialize Fault objects

git-svn-id: https://humgenprojects.lumc.nl/svn/mutalyzer/branches/spyne@579 eb6bd6ab-9ccd-42b9-aceb-e2899b4a52f1

mutalyzer/services/json.py

@@ -3,6 +3,8 @@ Mutalyzer webservice HTTP/RPC with JSON response payloads.
 """
 
 
+from mutalyzer.util import monkey_patch_spyne; monkey_patch_spyne()
+
 from spyne.application import Application
 from spyne.protocol.http import HttpRpc
 from spyne.protocol.json import JsonObject

mutalyzer/util.py

@@ -879,3 +879,25 @@ def monkey_patch_suds():
     Import.open = _import_open_patched
     Import.MUTALYZER_MONKEY_PATCHED = True
 #monkey_patch_suds
+
+
+def monkey_patch_spyne():
+    """
+    Apply our monkey-patch for the spyne package.
+
+    Fault objects cannot be serialized by the JsonObject output protocol,
+    this fixes it.
+
+    Call this function before importing anything from the spyne package. For
+    example, start your file with the following:
+
+        import monkey; monkey.monkey_patch_spyne()
+        from spyne.protocol.json import JsonObject
+    """
+    from spyne.model.fault import Fault
+
+    def _to_dict(self, *args, **kwargs):
+        return dict(faultcode=self.faultcode, faultstring=self.faultstring)
+
+    Fault._to_dict = _to_dict
+#monkey_patch_spyne