[PATCH 10 of 11 py3] config: mark parser regexes as bytes explicitly

[Yuya Nishihara]

On Sun, 09 Oct 2016 10:16:52 -0400, Augie Fackler wrote:
> # HG changeset patch
> # User Augie Fackler <augie at google.com>
> # Date 1476019539 14400
> #      Sun Oct 09 09:25:39 2016 -0400
> # Node ID e89f400277d564c4a576ad8e4a6003a201993639
> # Parent  f3b993e256a8aeba26d2f927da9cf4428f7f1585
> config: mark parser regexes as bytes explicitly
> 
> r-strings are not transformed into bytes by our source transformer magic.
> 
> diff --git a/mercurial/config.py b/mercurial/config.py
> --- a/mercurial/config.py
> +++ b/mercurial/config.py
> @@ -90,13 +90,13 @@ class config(object):
>              self._source.pop((section, item), None)
>  
>      def parse(self, src, data, sections=None, remap=None, include=None):
> -        sectionre = util.re.compile(r'\[([^\[]+)\]')
> -        itemre = util.re.compile(r'([^=\s][^=]*?)\s*=\s*(.*\S|)')
> -        contre = util.re.compile(r'\s+(\S|\S.*\S)\s*$')
> -        emptyre = util.re.compile(r'(;|#|\s*$)')
> -        commentre = util.re.compile(r'(;|#)')
> -        unsetre = util.re.compile(r'%unset\s+(\S+)')
> -        includere = util.re.compile(r'%include\s+(\S|\S.*\S)\s*$')
> +        sectionre = util.re.compile(rb'\[([^\[]+)\]')
> +        itemre = util.re.compile(rb'([^=\s][^=]*?)\s*=\s*(.*\S|)')
> +        contre = util.re.compile(rb'\s+(\S|\S.*\S)\s*$')
> +        emptyre = util.re.compile(rb'(;|#|\s*$)')
> +        commentre = util.re.compile(rb'(;|#)')
> +        unsetre = util.re.compile(rb'%unset\s+(\S+)')
> +        includere = util.re.compile(rb'%include\s+(\S|\S.*\S)\s*$')

It appears Py2 hates rb''. br'' works.