ConfigParser: use newline in INI file

[Thorsten Kampe]

* Ned Batchelder (Sat, 1 Oct 2016 17:41:28 -0700 (PDT))
> 
> On Saturday, October 1, 2016 at 6:25:16 PM UTC-4, Thorsten Kampe wrote:
> > * Ben Finney (Sun, 02 Oct 2016 07:12:46 +1100)
> > > 
> > > Thorsten Kampe <thorsten at thorstenkampe.de> writes:
> > > 
> > > > ConfigParser escapes `\n` in ini values as `\\n`.
> > 
> > Indenting solves the problem. I'd rather keep it one line per value 
> > but it solves the problem.
> 
> If you want to have \n mean a newline in your config file, you can 
> do the conversion after you read the value:
> 
>     >>> "a\\nb".decode("string-escape")
>     'a\nb'

Interesting approach (although it does not work with Python 3: decode 
is only for byte-strings and the string-escape encoding is not 
defined).

If I understand this correctly, this is equivalent to
`.replace('\\n', '\n')` ?

Thorsten