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import datetime
import decimal
from django.utils import timezone
from django.utils import simplejson as json
class JSONEncoder(json.JSONEncoder):
"""
JSONEncoder subclass that knows how to encode date/time and decimal types.
"""
def default(self, o):
# See "Date Time String Format" in the ECMA-262 specification.
if isinstance(o, datetime.datetime):
r = o.isoformat()
if o.microsecond:
r = r[:23] + r[26:]
if r.endswith('+00:00'):
r = r[:-6] + 'Z'
return r
elif isinstance(o, datetime.date):
return o.isoformat()
elif isinstance(o, datetime.time):
if timezone.is_aware(o):
raise ValueError("JSON can't represent timezone-aware times.")
r = o.isoformat()
if o.microsecond:
r = r[:12]
return r
elif isinstance(o, decimal.Decimal):
return str(o)
elif hasattr(o, '__iter__'):
return [i for i in o]
return super(JSONEncoder, self).default(o)
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