52 lines
1.6 KiB
Python
52 lines
1.6 KiB
Python
import datetime
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from .._compat import PY2, basestring, to_bytes
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from ..adapters.mongo import Mongo, MongoBlob
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from ..helpers.classes import Reference
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from ..objects import Row
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from .base import NoSQLRepresenter
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from . import representers, for_type
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@representers.register_for(Mongo)
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class MongoRepresenter(NoSQLRepresenter):
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@for_type('id')
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def _id(self, value):
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return self.adapter.object_id(value)
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@for_type('reference')
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def _reference(self, value):
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if isinstance(value, (Row, Reference)):
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value = value['id']
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return self.adapter.object_id(value)
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@for_type('date')
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def _date(self, value):
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# this piece of data can be stripped off based on the fieldtype
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t = datetime.time(0, 0, 0)
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# mongodb doesn't have a date object and so it must datetime,
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# string or integer
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return datetime.datetime.combine(value, t)
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@for_type('time')
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def _time(self, value):
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# this piece of data can be stripped off based on the fieldtype
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d = datetime.date(2000, 1, 1)
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# mongodb doesn't have a time object and so it must datetime,
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# string or integer
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return datetime.datetime.combine(d, value)
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@for_type('datetime')
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def _datetime(self, value):
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return value
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@for_type('blob')
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def _blob(self, value):
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if isinstance(value, basestring) and value == '':
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value = None
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return MongoBlob(value) if PY2 else to_bytes(value)
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@for_type('list:reference')
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def _list_reference(self, value):
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values = self._represent_list(value)
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return list(map(self.adapter.object_id, values))
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