Never mind, the hybrid_property was needed not declared_attr. My bad. On Thursday, 29 October 2015 11:46:32 UTC-7, drMental wrote: > > How do I get this use case working? I want the ticker attribute to > retrieve the values from the value defined in the Enum column. > > > class Security(Base): > cusip = Column(String) > sedol = Column(String) > isin = Column(String) > symbol = Column(String) > > _ticker = Column(Enum('cusip', 'sedol', 'isin', 'symbol', > name='default_ticker'), default='symbol') > > @declared_attr > def ticker(self): > return getattr(self, self._ticker) > > TypeError: getattr(): attribute name must be string > > > Many thanks >
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