gistfile1.py

# -*- coding: utf-8 -*-

def dump_atom( a ):
    if type(a) == int or type(a) == long:
        return str(a)
    elif type(a) == bool:
        return str(a).lower()
    elif a is None:
        return 'null'
    else: # type(a) == str or type(a) == unicode:
        return "'" + str(a).replace("\\","\\\\").replace("'","\\'") + "'"

def dump_element( el ):
    if hasattr(el, "__dict__"):
        return dump_object(el)
    elif type(el) == dict:
        return dump_dict(el)
    elif hasattr(el, "__iter__"):
        return dump_sequence(el)
    return dump_atom(el)

def dump_object( obj ):
    return dump_dict(obj.__dict__)

def dump_sequence( seq ):
    return '[' + ', '.join( dump_element(x) for x in seq ) + ']'

def dump_dict( d ):
    return '{' + ', '.join( ("'%s' : %s"%(k, dump_element(v)) for k,v in d.iteritems()) ) + '}'

def dump_assignment( left, right ):
    if left is not None:
        return left + ' = ' + dump_element( right )
    return dump_element( right )

class JSON_Dumper(object):
    def __init__(self, root=None):
        self.root = root

    def dump_dict(self, **objects):
        return dump_assignment( self.root, objects )

    def dump_object(self, x):
        return dump_assignment( self.root, x)