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39 lines
1.2 KiB
Python
39 lines
1.2 KiB
Python
"""
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Helper classes for parsers.
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"""
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import datetime
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import decimal
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from django.utils import simplejson as json
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from rest_framework.compat import timezone
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class JSONEncoder(json.JSONEncoder):
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"""
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JSONEncoder subclass that knows how to encode date/time,
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decimal types, and generators.
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"""
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def default(self, o):
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# For Date Time string spec, see ECMA 262
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# http://ecma-international.org/ecma-262/5.1/#sec-15.9.1.15
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if isinstance(o, datetime.datetime):
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r = o.isoformat()
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if o.microsecond:
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r = r[:23] + r[26:]
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if r.endswith('+00:00'):
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r = r[:-6] + 'Z'
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return r
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elif isinstance(o, datetime.date):
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return o.isoformat()
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elif isinstance(o, datetime.time):
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if timezone and timezone.is_aware(o):
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raise ValueError("JSON can't represent timezone-aware times.")
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r = o.isoformat()
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if o.microsecond:
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r = r[:12]
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return r
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elif isinstance(o, decimal.Decimal):
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return str(o)
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elif hasattr(o, '__iter__'):
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return [i for i in o]
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return super(JSONEncoder, self).default(o)
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