On Thu, Sep 13, 2018 at 7:55 AM,  <ja...@cryptosense.com> wrote:
> Update: I have just found
> http://docs.sqlalchemy.org/en/latest/changelog/migration_12.html#hybrid-attributes-support-reuse-among-subclasses-redefinition-of-getter
> which documents that getters and setters must have the same name as the
> original expression.
>
> Can I just check that it is expected for expressions to have this
> requirement? If so, is it worth opening a docs issue to add this to the main
> hybrid property docs?

this is the mechanics of Python, when you say:

@mything.foobar
def _myotherthing(...)


you are assigning to the name "_myotherthing".   Since
@hybrid_property now creates a copy when any modifier is called, the
original hybrid you have at "mything" was not changed.

All the documentation examples at
http://docs.sqlalchemy.org/en/latest/orm/extensions/hybrid.html
indicate using the same method name for each modification.    I can
add more dragons to the hybrid docs as well clarifying that this
naming scheme is intentional and required, if that helps.



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