Message355259
It is a limitation of f-strings, though. We're not allowed to use
backslashes within the f-string expression in curly braces. So to do what
you want you have to create another variable containing the quote character:
```
>>> blah = '"hi"'
>>> blah
'"hi"'
>>> q = '"'
>>> f'{blah.strip(q)}'
'hi'
```
--Hobson
On Wed, Oct 23, 2019 at 12:21 PM Hobson Lane <hobson@totalgood.com> wrote:
> Not a bug. If you use quotes inside an f-string (or any other kind of
> string) they need to be escaped.
> --Hobson
>
>
> On Wed, Oct 23, 2019 at 12:09 PM Ying Wang <report@bugs.python.org> wrote:
>
>>
>> New submission from Ying Wang <yingw787.personal@gmail.com>:
>>
>> Hey,
>>
>> I encountered an interesting bug when trying to do string parsing using
>> f-strings. I am currently under the impression that within the curly braces
>> is any expression that can be successfully evaluated in a REPL. Here's the
>> error:
>>
>> ```bash
>> yingw787@yingw787-Oryx-Pro:~/src/gpudb-dev-v6.2.0/kio/kio/tests/regression/_data/csv$
>> python
>> Python 3.7.5 (default, Oct 15 2019, 21:38:37)
>> [GCC 5.4.0 20160609] on linux
>> Type "help", "copyright", "credits" or "license" for more information.
>> >>> blah = '"hi"'
>> >>> blah
>> '"hi"'
>> >>> f'{blah.strip('"')}'
>> File "<stdin>", line 1
>> f'{blah.strip('"')}'
>> ^
>> SyntaxError: EOL while scanning string literal
>> >>> '{0}'.format(blah.strip('"'))
>> 'hi'
>> >>>
>> ```
>>
>> I can use '.format()' for now, but it might be nice to align f-string
>> expr behavior w/ .format(). Please let me know if you need more
>> reproduction steps, or if you need a helping hand :)
>>
>> Thanks
>> Ying
>>
>> ----------
>> components: Interpreter Core
>> messages: 355254
>> nosy: yingw787
>> priority: normal
>> severity: normal
>> status: open
>> title: [3.7.5 x86_64 Linux] f-string parsing results in EOL
>> type: behavior
>> versions: Python 3.7
>>
>> _______________________________________
>> Python tracker <report@bugs.python.org>
>> <https://bugs.python.org/issue38568>
>> _______________________________________
>> _______________________________________________
>> New-bugs-announce mailing list
>> New-bugs-announce@python.org
>> https://mail.python.org/mailman/listinfo/new-bugs-announce
>>
> |
|
Date |
User |
Action |
Args |
2019-10-23 19:28:14 | Hobson.Lane | set | recipients:
+ Hobson.Lane, zach.ware, yingw787 |
2019-10-23 19:28:14 | Hobson.Lane | link | issue38568 messages |
2019-10-23 19:28:13 | Hobson.Lane | create | |
|