#!/usr/local/bin/python

class operation_status:
    """
    Collection of standard codes and format ofr operationstatus
    """
    success = 0
    access = 1
    busy= 2
    unsupp = 3
    bad_param = 4
    internal = 5
    partial = 6
    no_target = 7
    federant = 8
    code_str = { 
	success: "Success",
	access : "Access Denied",
	busy : "Resource busy, try again later",
	unsupp : "Operation not supported",
	bad_param: "Bad parameter for operation",
	internal : "Internal Error",
	partial: "Partial Embedding",
	no_target: "No such target",
	federant: "Federant Error",
    }
    str_code = dict([ (v, k) for k, v in code_str.iteritems() ])

    def __init__(self, target, code=None, description=None):
	self.target = target
	self.code = code
	if description is not None:
	    self.description = description
	elif code in operation_status.code_str:
	    self.description = operation_status.code_str[code]
	else:
	    self.description = None

    def to_dict(self):
	rv =  { 'target': self.target, 'code': self.code, }
	if self.description is not None: rv['description'] = self.description
	return rv