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devel / comp.lang.python / Re: Logging

SubjectAuthor
* LoggingBaran Gökçekli
`* Re: LoggingStefan Ram
 +- Re: LoggingStefan Ram
 +- Re: LoggingCameron Simpson
 `- Re: LoggingThomas Passin

1
Logging

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Subject: Logging
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 by: Baran Gökçekli - Sat, 19 Nov 2022 10:44 UTC

How can I solve this question?

There is a module called ‘logging’ to
employ logging facility in Python.

import logging

logging. info('Just a normal message' )

Logging.warning('Not fatal but still noted')

logging.error('There is something wrong')

You are expected to implement logging
feature to an existing code which uses the
function below.

def my_ugly_debug(s, level=0):

pre_text = [ "INFO",
"WARNING",
"ERROR"
]

print(f"{pre_text[level]}: {s}")
You are not allowed to make changes in my_ugly_debug, so find another way.


Re: Logging

<solution-20221119120637@ram.dialup.fu-berlin.de>

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From: ram...@zedat.fu-berlin.de (Stefan Ram)
Newsgroups: comp.lang.python
Subject: Re: Logging
Date: 19 Nov 2022 11:08:57 GMT
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 by: Stefan Ram - Sat, 19 Nov 2022 11:08 UTC

<baran200167@gmail.com> writes:
>You are expected to implement logging feature to an existing
>code which uses the function below.
>def my_ugly_debug(s, level=0):
> pre_text = [ "INFO",
> "WARNING",
> "ERROR"
> ]
> print(f"{pre_text[level]}: {s}")
>You are not allowed to make changes in my_ugly_debug, so find another way.

If found a solution that is even more ugly than your
function. I was just about to post it here, but then
remembered about the "no homework" rule. Bummer!

Re: Logging

<logging-20221119124314@ram.dialup.fu-berlin.de>

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Subject: Re: Logging
Date: 19 Nov 2022 11:46:39 GMT
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 by: Stefan Ram - Sat, 19 Nov 2022 11:46 UTC

ram@zedat.fu-berlin.de (Stefan Ram) writes:
>If found a solution that is even more ugly than your
>function. I was just about to post it here, but then
>remembered about the "no homework" rule. Bummer!

I tampered with "sys.stdout" to intercept the "print" calls
and redirect them to logging when they start with a tag,
otherwise they would be printed as usual. So then

print( "normal printing" )
my_ugly_debug( "A", level=0 )
my_ugly_debug( "A", level=1 )
my_ugly_debug( "A", level=2 )

would print

normal printing
WARNING:root:WARNING: A
ERROR:root:ERROR: A

plus some additional empty lines (one would need a bit
more work to clean that up). Another possibility would
be to redefine "print". If decorators, functions, or
classes around the definition of "my_ugly_debug" were
allowed, things could be handled a bit more cleanly.

Re: Logging

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Subject: Re: Logging
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 by: Cameron Simpson - Sat, 19 Nov 2022 22:27 UTC

On 19Nov2022 11:08, Stefan Ram <ram@zedat.fu-berlin.de> wrote:
><baran200167@gmail.com> writes:
>>You are expected to implement logging feature to an existing
>>code which uses the function below. [...]
>>You are not allowed to make changes in my_ugly_debug, so find another
>>way.
>
> If found a solution that is even more ugly than your
> function. I was just about to post it here, but then
> remembered about the "no homework" rule. Bummer!

I suspect that the OP is just being asked to modify existing code which
calls my_ugly_debug to use more conventional logging calls.

Baran, in addition to the various info(), warning() etc logging calls
there is a log() logging call which accepts a log level (the warning()
etc calls basicly call this with their own logging level).

I would be inclined to write a my_better_debug(s,level=0) function which
took those existing levels (0,1,2) and mapped them to the official
logging levels logging.INFO, logging.WARNING etc, and then called
logging.log() with the official level.

Then adjust the calling code to call your new function.

The alternative is to just replace every calling function which uses
my_ugly_debug() to directly call a logging.whatever() call.

Cheers,
Cameron Simpson <cs@cskk.id.au>

Re: Logging

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Subject: Re: Logging
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 by: Thomas Passin - Sat, 19 Nov 2022 23:26 UTC

On 11/19/2022 5:27 PM, Cameron Simpson wrote:
> On 19Nov2022 11:08, Stefan Ram <ram@zedat.fu-berlin.de> wrote:
>> <baran200167@gmail.com> writes:
>>> You are expected to implement logging feature to an existing
>>> code which uses the function below. [...]
>>> You are not allowed to make changes in my_ugly_debug, so find another
>>> way.
>>
>>  If found a solution that is even more ugly than your
>>  function. I was just about to post it here, but then
>>  remembered about the "no homework" rule. Bummer!
>
> I suspect that the OP is just being asked to modify existing code which
> calls my_ugly_debug to use more conventional logging calls.
>
> Baran, in addition to the various info(), warning() etc logging calls
> there is a log() logging call which accepts a log level (the warning()
> etc calls basicly call this with their own logging level).
>
> I would be inclined to write a my_better_debug(s,level=0) function which
> took those existing levels (0,1,2) and mapped them to the official
> logging levels logging.INFO, logging.WARNING etc, and then called
> logging.log() with the official level.
>
> Then adjust the calling code to call your new function.
>
> The alternative is to just replace every calling function which uses
> my_ugly_debug() to directly call a logging.whatever() call.

Maybe a place for a decorator...

> Cheers,
> Cameron Simpson <cs@cskk.id.au>

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