try..except or type() or isinstance()?

[Manfred Lotz]

On Sun, 16 Aug 2020 09:40:12 +0200
Manfred Lotz <ml_news at posteo.de> wrote:

> On Sat, 15 Aug 2020 12:20:48 -0400
> Dennis Lee Bieber <wlfraed at ix.netcom.com> wrote:
> 
> > On Sat, 15 Aug 2020 15:31:56 +0200, Manfred Lotz <ml_news at posteo.de>
> > declaimed the following:
> >   
> > >On Sat, 15 Aug 2020 11:47:03 +0200
> > >Sibylle Koczian <nulla.epistola at web.de> wrote:
> > >    
> >   
> > >> if the value comes from a file, isn't it a
> > >> string in any case? A string that may be convertible to int or
> > >> not? Or what sort of file do I overlook?
> > >>     
> > >
> > >In this case it is a TOML file.     
> > 
> > 	Based on https://en.wikipedia.org/wiki/TOML this means you
> > need a parser... 
> > """
> > In TOML the syntax determines the data types ("syntax typing")
> > """
> > 
> > 	String data is surrounded with " marks, numbers are not
> > (though the example doesn't show if integers are treated differently
> > from floating point), arrays/lists in [] with embedded comma ([] are
> > also overloaded for section headers, with subsections using
> > section.subsection naming), dates are some ugly creation, and looks
> > like true/false are reserved values.
> > 
> > 	However, as pointed out -- all data read from the file will
> > be seen as a Python string data type. It is only after determining
> > the TOML data type -- by examining the string itself -- that one can
> > convert to internal format.
> > 
> > 	Unfortunately, TOML is not compatible with INI -- for which
> > Python already has a read/write module. But there is
> > https://pypi.org/project/toml/
> > (uses the same example file as Wikipedia) -- latest version was from
> > May.
> > 
> >   
> 
> I use tomlkit as the toml package doesn't support quoted keys
> sufficiently.
> 

Just checked again. It seems I was wrong. Both toml and tomlkit do
support quoted keys ok.

-- 
Manfred