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[myslice.git] / manifold / manifoldresult.py

diff --git a/manifold/manifoldresult.py b/manifold/manifoldresult.py
index 1c812f0..4ffe072 100644 (file)
--- a/manifold/manifoldresult.py
+++ b/manifold/manifoldresult.py
@@ -3,40 +3,59 @@ def enum(*sequential, **named):
     return type('Enum', (), enums)
 
 ManifoldCode = enum (
+    UNKNOWN_ERROR=-1,
     SUCCESS=0,
     SESSION_EXPIRED=1,
     NOT_IMPLEMENTED=2,
-    UNKNOWN_ERROR=3,
+    SERVER_UNREACHABLE=3,
 )
 
+_messages_ = { -1 : "Unknown", 0: "OK", 1: "Session Expired", 2: "Not Implemented", 3: "Backend server unreachable"}
+
 # being a dict this can be used with json.dumps
 class ManifoldResult (dict):
     def __init__ (self, code=ManifoldCode.SUCCESS, value=None, output=""):
         self['code']=code
         self['value']=value
         self['output']=output
+        self['description'] = '' # Jordan: needed by javascript code
 
     def from_json (self, json_string):
         d=json.dumps(json_string)
         for k in ['code','value','output']:
             self[k]=d[k]
 
+    # raw accessors
+    def code (self): return self['code']
+    def output (self): return self['output']
+
     # this returns None if there's a problem, the value otherwise
     def ok_value (self):
         if self['code']==ManifoldCode.SUCCESS:
             return self['value']
 
+    # both data in a single string
     def error (self):
         return "code=%s -- %s"%(self['code'],self['output'])
     
 
     def __repr__ (self):
-        result="[[MFresult code=%s"%self['code']
-        if self['code']==0:
+        code=self['code']
+        result="[MFresult %s (code=%s)"%(_messages_.get(code,"???"),code)
+        if code==0:
             value=self['value']
             if isinstance(value,list): result += " [value=list with %d elts]"%len(value)
-            else: result += " [value=other %s]"%value
+            elif isinstance(value,dict): result += " [value=dict with keys %s]"%value.keys()
+            else: result += " [value=%s: %s]"%(type(value).__name__,value)
         else:
             result += " [output=%s]"%self['output']
-        result += "]]"
+        result += "]"
         return result
+
+# probably simpler to use a single class and transport the whole result there
+# instead of a clumsy set of derived classes 
+class ManifoldException (Exception):
+    def __init__ (self, manifold_result):
+        self.manifold_result=manifold_result
+    def __repr__ (self):
+        return "Manifold Exception %s"%(self.manifold_result.error())