working json

gistfile1.txt

#!/bin/python
#author class
import json


class Book(object) :
    def __init__(self, name, isbn, price_in_usd) :
        self.name = name
        self.isbn = isbn
        self.price_in_usd = price_in_usd


class Author(object) :
    def __init__(self, name, email, books) :
        self.name = name
        self.email = email
        self.books = books
    def jsonable(self):
        return self.__dict__
    def reprJSON(self):
        return dict(name=self.name, email=self.email,books=[dict(name=book.name,isbn=book.isbn,price_in_usd=book.price_in_usd) for book in author.books])


author = Author(
    name = u"Leslie Lamport",
    email = u"lamport@microsoft.com",
    books = [
        Book(
            name = u"LaTeX: A document preparation system",
            isbn = u"0201529831",
            price_in_usd = 38.01
        ),
        Book(
            name = u"Specifying Systems: The TLA+ Language",
            isbn = u"032114306X",
            price_in_usd = 40.73
        )
    ]
)

def book_to_json(b) :
    data = {
        "name": b.name,
        "isbn": b.isbn,
        "price_in_usd": b.price_in_usd
    }
    return json.dumps(data, indent=2)



author2 = Author(
    name = u"Leslie Lamport",
    email = u"lamport@microsoft.com",
    books = [
        Book(
            name = u"LaTeX: A document preparation system",
            isbn = u"0201529831",
            price_in_usd = 38.01
        ),
        Book(
            name = u"Specifying Systems: The TLA+ Language",
            isbn = u"032114306X",
            price_in_usd = 40.73
        )
    ]
)

class ComplexEncoder(json.JSONEncoder):
    def default(self, obj):
        if hasattr(obj,'reprJSON'):
            return obj.reprJSON()
        else:
            return json.JSONEncoder.default(self, obj)

def ComplexHandler(Obj):
    if hasattr(Obj, 'jsonable'):
        return Obj.jsonable()
    else:
        raise TypeError, 'Object of type %s with value of %s is not JSON serializable' % (type(Obj), repr(Obj))


def author_to_json(author):
	
	jobject ={
	   "name": author.name ,
		"email": author.email ,
		"books" : [book_to_json(book) for book in author.books]

	}

	jobject2 = {
		"name": author.name ,
		"email": author.email ,
		"books" : author.books
	}

	#list_comp = [to_JSON(book)for book in books]

	#print json.dumps(jobject)

	print json.dumps(author.reprJSON())

	return json.dumps(author2.reprJSON(), default=ComplexHandler )

	#return json.dumps(name,email,books_to_json(books)
	#return author.to_JSON






print(author_to_json(author2))