r"""
# uses the simple Article model from the "basic" tests
>>> from models import Article
>>> from datetime import datetime
>>> a = Article(id=None, headline='Area man programs in Python', pub_date=datetime(2005, 7, 28))
>>> a.save()
# try json/xml/python without the fields keyword arg..
>>> serializers.serialize("json", [a])
'[{"pk": "1", "model": "serializerfields3466.article", "fields": {"headline": "Area man programs in Python", "pub_date": "2005-07-28 00:00:00"}}]'
>>> serializers.serialize("xml", [a])
'\n'
>>> serializers.serialize("python", [a])
[{'pk': '1', 'model': 'serializerfields3466.article', 'fields': {'headline': 'Area man programs in Python', 'pub_date': datetime.datetime(2005, 7, 28, 0, 0)}}]
# now try with the keyword arg:
>>> serializers.serialize("json", [a], fields=['headline'])
'[{"pk": "1", "model": "serializerfields3466.article", "fields": {"headline": "Area man programs in Python"}}]'
>>> serializers.serialize("xml", [a], fields=['headline'])
'\n'
>>> serializers.serialize("python", [a], fields=['headline'])
[{'pk': '1', 'model': 'serializerfields3466.article', 'fields': {'headline': 'Area man programs in Python'}}]
"""
from django.core import serializers
if __name__ == "__main__":
import doctest
doctest.testmod()