[issue29143] Logger should ignore propagate property for disabled handlers.

[Mario Corchero]

Mario Corchero  added the comment:

Closing as unable to reproduce. Please comment if you can reproduce the issue 
and we can have a further look.

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stage:  -> resolved
status: open -> closed

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[issue29143] Logger should ignore propagate property for disabled handlers.

[Mario Corchero]

Mario Corchero  added the comment:

Note that "handlers" cannot be disabled. This applies only to loggers.

Also, the following code shows that disabling the logger does indeed prevents 
all logs in emitted by that logger from appearing:

```
import logging

parent_handler = logging.StreamHandler()
child_handler = logging.StreamHandler()

parent_logger = logging.getLogger('parent')
child_logger = logging.getLogger('parent.child')

parent_logger.addHandler(parent_handler)
child_logger.addHandler(child_handler)

child_logger.disabled = True

child_logger.error("wops")
```

Trying to guess what happened, it might be that there was a child of the 
disabled logged and you saw the log trace expecting it was the child, example:

```
import logging

parent_handler = logging.StreamHandler()
child_handler = logging.StreamHandler()

parent_logger = logging.getLogger('parent')
child_logger = logging.getLogger('parent.child')
grandchild_logger = logging.getLogger('parent.child.grandchild')

parent_logger.addHandler(parent_handler)
child_logger.addHandler(child_handler)

child_logger.disabled = True

grandchild_logger.error("wops")
```

Note that disable does not affect how handlers across loggers are called. It 
only disables the logger and therefore prevents from emitting logs that are 
emitted directly through the disabled logger.

Might that be the case? Are you OK with closing this issue if so?

--
nosy: +mariocj89

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[issue29143] Logger should ignore propagate property for disabled handlers.

[Oleg Serov]

Oleg Serov  added the comment:

I tried and failed to reproduce. If it changes, I'll update it.

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[issue29143] Logger should ignore propagate property for disabled handlers.

[Karthikeyan Singaravelan]

Karthikeyan Singaravelan  added the comment:

Can you please attach a script that has a relevant sample logging configuration 
along with the output you are expecting?

Thanks

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nosy: +xtreak

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[issue29143] Logger should ignore propagate property for disabled handlers.

[Oleg Serov]

Oleg Serov added the comment:

> 1. I have some random logging configuration with some logging handlers that 
> have "propagate = True"
Read as: 1. I have some random logging configuration with some logging handlers 
that have "propagate = False"

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[issue29143] Logger should ignore propagate property for disabled handlers.

[Oleg Serov]

New submission from Oleg Serov:

Looks like if I have a logger handler with propagate = False and it is 
disabled, the "propagate" is still in affect.

I am considering this is a bug, because:
1. I have some random logging configuration with some logging handlers that 
have "propagate = True"
2. I am setting a new logging configuration by using logging.config.dictConfig 
with "disable_existing_loggers = True"
3. After that I still "feel" the effect of old config, because some log 
messages do not reach my new loggers.

What I am doing wrong? Or this is a bug? A bug in documentation?

--
components: Library (Lib)
messages: 284583
nosy: Oleg Serov
priority: normal
severity: normal
status: open
title: Logger should ignore propagate property for disabled handlers.
versions: Python 2.7

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