the “user” backref here is a relationship() like any other, just specify Address.user as the target of the event.
Cyril Scetbon <[email protected]> wrote: > Hi, > > Is there a way to add an event listener on a backref ? > > I have something like : > > class User(Base): > > > __tablename__ = 'user' > > > id = Column(Integer, primary_key=True) > > > name = Column(String) > > > > addresses = relationship("Address", backref="user") > > > > class Address(Base): > > > __tablename__ = 'address' > > > id = Column(Integer, primary_key=True) > > > email = Column(String) > > > user_id = Column(Integer, ForeignKey('user.id')) > > > I'd like to do add an action when a dev set the attribute Address.user. > > -- > You received this message because you are subscribed to the Google Groups > "sqlalchemy" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/sqlalchemy. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/sqlalchemy. For more options, visit https://groups.google.com/d/optout.
