New submission from Adam Gregory:
Hi,
I've been playing with f-strings, which seem like a great addition to the
language. I noticed in the definition of f_expression that it can include any
or_expr. As far as I understand, this includes "await" expressions, so I tried
using await inside an f-string in a coroutine with CPython 3.6.0b4. This
produces a SyntaxError.
Should await be allowed in f-strings? I don't know if this is a bug or a
documentation issue. Personally, I think it would be an occasionally useful
feature - more so than yield, at least, which does work.
Ref:
https://docs.python.org/3.6/reference/lexical_analysis.html#formatted-string-literals
--
assignee: docs@python
components: Documentation, asyncio
messages: 282980
nosy: Adam Gregory, docs@python, gvanrossum, yselivanov
priority: normal
severity: normal
status: open
title: await expressions in f-strings
versions: Python 3.6
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<http://bugs.python.org/issue28942>
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