Let's plan a cmdline argument then.

Should we go for -L<level> much like -W<warning>?
Or -x logging for setting a default value of debug or info?

Per python specification, -x is implementation dependent.

I'll advocate for -L. I think the same concerns as -W are relevant for all
python implementations, and it gives more flexibility in terms of log level.

Next question: Should -x dev include it?
If it was python day-1, I would say yes. My issue is the double inclusion
of stream handlers in case the logging was bootstrapped already.
So -x dev probably shouldn't include it.

On Thu, Feb 20, 2020, 8:28 PM Christopher Barker <python...@gmail.com>
wrote:

> I think it’s a “Bad Idea” to use an environment variable — who knows what
> Python script may be running on a given system?
>
> But a standard command line argument to the interpreter could be useful.
>
> -CHB
>
> On Thu, Feb 20, 2020 at 8:51 AM Mike Miller <python-id...@mgmiller.net>
> wrote:
>
>>
>> On 2020-02-19 17:12, Bar Harel wrote:
>> > Another idea I've had that may be of use:
>> >
>> > PYTHONLOGGING environment variable.
>> >
>> > Setting PYTHONLOGGING to any log level or level name will initialize
>> > logging.basicConfig() with that appropriate level.
>> >
>> > Another option would be that -x dev or a different -x logging will
>> initialize
>> > basic config.
>>
>> As a heavy user of logging, I like this one a lot.  In a new project, the
>> lack
>> of such a feature allows one to stick with print() perhaps longer than is
>> prudent.
>>
>> -Mike
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> --
> Christopher Barker, PhD
>
> Python Language Consulting
>   - Teaching
>   - Scientific Software Development
>   - Desktop GUI and Web Development
>   - wxPython, numpy, scipy, Cython
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