manifold/manifoldresult.py

   1 def enum(*sequential, **named):
   2     enums = dict(zip(sequential, range(len(sequential))), **named)
   3     return type('Enum', (), enums)
   4
   5 ManifoldCode = enum (
   6     SUCCESS=0,
   7     SESSION_EXPIRED=1,
   8     NOT_IMPLEMENTED=2,
   9     UNKNOWN_ERROR=3,
  10 )
  11
  12 # being a dict this can be used with json.dumps
  13 class ManifoldResult (dict):
  14     def __init__ (self, code=ManifoldCode.SUCCESS, value=None, output=""):
  15         self['code']=code
  16         self['value']=value
  17         self['output']=output
  18
  19     def from_json (self, json_string):
  20         d=json.dumps(json_string)
  21         for k in ['code','value','output']:
  22             self[k]=d[k]
  23
  24     # this returns None if there's a problem, the value otherwise
  25     def ok_value (self):
  26         if self['code']==ManifoldCode.SUCCESS:
  27             return self['value']
  28
  29     def error (self):
  30         return "code=%s -- %s"%(self['code'],self['output'])
  31
  32
  33     def __repr__ (self):
  34         result="[[MFresult code=%s"%self['code']
  35         if self['code']==0:
  36             value=self['value']
  37             if isinstance(value,list): result += " [value=list with %d elts]"%len(value)
  38             else: result += " [value=other %s]"%value
  39         else:
  40             result += " [output=%s]"%self['output']
  41         result += "]]"
  42         return result