My inclination would be to cede code formatting to a tool like Black
and focus on function:
https://black.readthedocs.io/en/stable/
On Fri, 2021-03-12 at 15:32 +0000, Matt Williams wrote:
> Hi,
>
> It's becoming more popular in Python to have interfaces which are
> built around method chaining as a way of applying operations to data.
> For example in pandas is moving more towards a default model where
> methods do not change the object in-place but instead return an
> altered version (or at least an altered view) of it.
>
> The major downside to method chaining is that it ends up creating
> long lines of code which can become hard to read. The two main
> solutions to this are 1) break down the chain and give the steps
> their own variable names and 2) split it over multiple lines using
> `\` as a line continuation.
>
> e.g.:
>
> y = x.rstrip("\n").split(":")[0].lower()
>
> would become
>
> y = x.rstrip("\n") \
> .split(":")[0] \
> .lower()
>
> I find the continuation character visually distracting, easy to
> forget and does not allow for line-by-line commenting (causing
> `SyntaxError: unexpected character after line continuation
> character`):
>
> y = x.rstrip("\n") \
> .split(":")[0] \ # grab the key name
> .lower()
>
> My idea is to alter the syntax of Python to allow doing:
>
> y = x.rstrip("\n")
> .split(":")[0]
> .lower()
>
> i.e., not requiring an explicit line continuation character in the
> case where the next line starts with a period.
>
> I've had a search through the archives and I couldn't see this
> discussion before. Feel free to point me to it if I've missed
> anything.
>
> Cheers,
> Matt
> _______________________________________________
> Python-ideas mailing list -- python-ideas@python.org
> To unsubscribe send an email to python-ideas-le...@python.org
> https://mail.python.org/mailman3/lists/python-ideas.python.org/
> Message archived at
> https://mail.python.org/archives/list/python-ideas@python.org/message/LWB3U5BTGC4CT26U4AB676SKGED3ZOEX/
> Code of Conduct: http://python.org/psf/codeofconduct/
_______________________________________________
Python-ideas mailing list -- python-ideas@python.org
To unsubscribe send an email to python-ideas-le...@python.org
https://mail.python.org/mailman3/lists/python-ideas.python.org/
Message archived at
https://mail.python.org/archives/list/python-ideas@python.org/message/X7NMRC4FMO4LBB7E2XP4D76FXZ5MMZVY/
Code of Conduct: http://python.org/psf/codeofconduct/
