On 16 June 2018 at 15:49, Rin Arakaki <[email protected]> wrote:
> Hi,
> I'm wondering if it's possible and consistent that loosen 'as' assignment,
> for example:
>
> >>> import psycopg2 as pg
> >>> import psycopg2.extensions as pg.ex
>
> You can't now assign to an attribute in as statement but are there some
> reasons?
> To be honest, I'll be satisfied if the statement above become valid, but
> also interested in general design decisions about 'as' functionality, I
> mean, it can be applicable to all expression that can be left side of '='
> such as 'list[n]' one, and also other statement than 'import' such as
> 'with'.
>
This is essentially monkeypatching the psycopg2 module to alias the
"extensions" submodule as the "ex" submodule. You can already do that today
as:
>>> import psycopg2 as pg
>>> import psycopg2.extensions
>>> pg.ex = pg.extensions
Monkeypatching other modules at runtime is a questionable enough practice
that we're unlikely to add syntax that actively encourages it.
Cheers,
Nick.
--
Nick Coghlan | [email protected] | Brisbane, Australia
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