configparser - which one?
Terry Reedy
tjreedy at udel.edu
Tue Mar 26 04:29:09 EDT 2019
On 3/25/2019 8:10 PM, Dave wrote:
> I use Python3 3, and expected learning how to use configparser would be
> no big deal. Well! Seems there is configparser, stdconfigparser, and
configparser is what IDLE uses. I would read the extra or deleted
features of the others and see if they apply to your client's project.
> safeconfigparser, and multiple ways to set the section and entries to
> the section. A little confusing. I want to future-proof may code, so
> what should I be using?
>
> As for setting the sections and entries, the following both work.
>
> from configparser import ConfigParser # Python 3 syntax
> parser = ConfigParser()
>
> parser['DEFAULT'] = {'Language': 'English',
> 'Units': 'English',
> 'UseDefaults': 'True',
> 'NumberRidesDisplay': '30',
> 'Pi': '3.14'}
The dict interface is newer but I doubt that the older one will go away.
(IDLE uses it because it predates the dict interface. Since this code
is pretty static, I do not currently see a payoff for conversion.)
> parser.add_section('Default')
> parser.set('default', 'language', 'english')
> parser.set('default', 'units_measure', 'english')
> parser.set('default', 'background_color', 'white')
> parser.set('default', 'useDefaults', 'true')
> parser.set('default', 'numToDisp', '12')
> parser.set('default', 'pi', '3.14')
>
> The advantage of the former is that it will handle 'DEFAULT', while the
> last one won't. I like the former, but not sure if it is the future.
We do not remove things and break backwards compatibility lightly.
--
Terry Jan Reedy
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