On Feb 21, 2020, at 05:54, [email protected] wrote:
>
> lUnfortunately when I try to type s"select * from table" it gave me syntax
> error instead, so I think this need to be implemented in Python language
> itself instead of module
Well, it can be implemented with a module if your module installs an import
hook.
Unfortunately, the boilerplate to write an import hook is more complicated than
you’d like (and pretty hard to figure out the first time), and the support for
filtering on the token stream (the most obvious way to do this one) rather than
the text stream, AST, or bytecode is pretty minimal and clumsy. It may be worth
trying to teach yourself anyway, because you learn a lot about Python along the
way, but I don’t know that the result is something you’d actually want to use
(See https://github.com/abarnert/floatliteralhack for hints; I think that’s the
shortest—although definitely not cleanest—way to install a token-filtering
import hook for Python 3.4, and only a few things have changed since then.)
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