[PATCH 5 of 6] check-code: detect "missing _() in ui message" more exactly

[Yuya Nishihara]

On Tue, 31 May 2016 14:57:52 -0400, timeless wrote:
> FUJIWARA Katsunori wrote:
> > This patch also applies "()" instead of "_()" on messages below to
> > hide false-positives:
> 
> I'd really rather have a function for this. See the other thread where
> you wanted to remove `_()`.

I don't get it. Why do we need a function for py3k? Can you elaborate?

> +    (r'ui\.(status|progress|write|note|warn)\('
> +     # any strings might precede a string, which contains translatable message
> +     '[ \t\n]*(([\'"]|\'\'\'|""")[^\'"]*([\'"]|\'\'\'|""")[ \t\n]+)*'
> +     # sequence consisting of below might precede translatable message
> +     # - formatting string ("% 10s", "%05d", "% -3.2f", "%*s" and so on)
> +     # - escaped character ("\\", "\n", "\0", and so on)
> +     # - character other than '%', 'b' (as '\') and 'x' (as alphabet)
> +     #   (this can't use [^...] style, because _preparepats() forcibly
> +     #    adds '\n' to such pattern )
> +     '([\'"]|\'\'\'|""")'
> +     '((%([ n]?[PM]?([0-9p]+|A))?x)|b[bnx]|[ \nnpqAPMo])*x',

r'' prefix is necessary for all string fragments. You might be interested in
extended format (?x).

https://docs.python.org/2.7/library/re.html#re.X