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Upgrade to all f-strings #1567

fubuloubu opened this issue Aug 8, 2019 · 3 comments · Fixed by #1614


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@fubuloubu fubuloubu commented Aug 8, 2019

What's your issue about?

The code uses a mix of %s, .format(), and f"", which can be confusing which style we prefer.

How can it be fixed?

Change it all to one style, preferably f-strings.

Also, document this in the style guide


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@wschwab wschwab commented Sep 11, 2019

I'd like to take this. 2 questions:

  1. When would you like to have this done by?
  2. Where is the style guide?

I just started poking around, and quickly ran into another issue:
I see that there are places where byte strings are formatted (see vyper/tests/types/ on lines 48, 56, and 67 as of when I'm writing this), and there doesn't seem to be any way to make a 'byte-fstring' (in fact, even .format doesn't work, only % and some other hacks). What should the format be for byte strings that need formatting?


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@fubuloubu fubuloubu commented Sep 11, 2019

So, you can format a string literal as bytes via .encode("utf-8"):

>>> "m12mm345mm".encode("utf-8")
>>> "m12mm345mm{}".format("afgs").encode("utf-8")
>>> stuff = "afgafdg"
>>> f"m12mm345mm{stuff}".encode("utf-8")

Thank you for taking this on!


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@fubuloubu fubuloubu commented Sep 11, 2019

As far as your questions, 1) whenever you can get it done by is fine, just set up a PR with "fixes #1567" in it (so it links back to this one) so we know what the progress is, and 2) not sure we have a style guide for how to write f-strings, if you have questions just ping us in the gitter. Thank you again!

@fubuloubu fubuloubu moved this from To do to In progress in Release Candidate! Sep 18, 2019
Release Candidate! automation moved this from In progress to Done Sep 23, 2019
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