There's no shortcut outside of merge () for copying attributes, copies are
hard to generalize so you probably want to put copy constructors on your
classes if you need to do that often.
On Fri, Jun 22, 2018, 1:24 PM Jonathan Vanasco <jonat...@findmeon.com>
wrote:
>
> FWIW, i use these methods in my base class to copy the object into a
> dict.
>
>
> def columns_as_dict(self):
> """
> Beware: this function will trigger a load of attributes if they
> have not been loaded yet.
> """
> return dict((col.name, getattr(self, col.name))
> for col
> in sqlalchemy.orm.class_mapper(self.__class__).
> mapped_table.c
> )
>
>
> def loaded_columns_as_dict(self):
> """
> This function will only return the loaded columns as a dict.
> """
> _dict = self.__dict__
> return {col.name: _dict[col.name]
> for col in sqlalchemy.orm.class_mapper(self.__class__).
> mapped_table.c
> if col.name in _dict
> }
>
>
>
> --
> SQLAlchemy -
> The Python SQL Toolkit and Object Relational Mapper
>
> http://www.sqlalchemy.org/
>
> To post example code, please provide an MCVE: Minimal, Complete, and
> Verifiable Example. See http://stackoverflow.com/help/mcve for a full
> description.
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--
SQLAlchemy -
The Python SQL Toolkit and Object Relational Mapper
http://www.sqlalchemy.org/
To post example code, please provide an MCVE: Minimal, Complete, and Verifiable
Example. See http://stackoverflow.com/help/mcve for a full description.
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