On Jul 25, 2012, at 6:49 PM, Stephan Hügel wrote:
>
> if you want to make a new class that has a new name from the start, use
> type():
>
> def __init__(self, reference):
> self.reference = reference
>
> d = dict(
> __tablename__ = listname.lower()
>
> id = db.Column("id", db.Integer(), primary_key=True)
> reference = db.Column(db.String(50), nullable=False, unique=True)
>
> __init__ = __init__
> )
> my_class = type(listname, (db.Model,), d)
>
>
>
> Doing this creates classes (e.g. <class 'flask_sqlalchemy.lak'>) , but is
> there some way for me to instantiate them without resorting to some eval
> magic in my for loop?
instantiate, as in, instance of the new class? "my_class" above is a regular
Python class, just instantiate - myclass(x, y, z).
> What I'd like to end up with is programmatically created instances
> (myapp.models.lak) that I can use the same way as my "normally" instantiated
> classes.
that's what type() gives you. Its the exact same thing as using "class Foo()".
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