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Re: Overriding a global

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From Terry Reedy <tjreedy@udel.edu>
Subject Re: Overriding a global
Date Sat, 10 Dec 2011 19:19:27 -0500
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On 12/10/2011 7:14 PM, Terry Reedy wrote:
> On 12/10/2011 3:47 PM, Roy Smith wrote:
>>
>> What I really want to do is:
>>
>> def function(self):
>
> Add a global statement to rebind a global name:
> global logger

But I see that that is not what you want to do, which is to override the 
global name just within the function while still accessing the global 
name. MRAB's solution does that nicely.

>> logger = logger.getChild('function')
>> logger.debug('stuff')
>> logger.debug('other stuff')
>>
>> which lets me not have to change any lines of code other than inserting
>> the one to redefine logger. Unfortunately, that's not legal Python (it
>> leads to "UnboundLocalError: local variable 'logger' referenced before
>> assignment").
>>
>> Any ideas on the best way to implement this?
>
>


-- 
Terry Jan Reedy

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Thread

Overriding a global Roy Smith <roy@panix.com> - 2011-12-10 15:47 -0500
  Re: Overriding a global MRAB <python@mrabarnett.plus.com> - 2011-12-10 21:07 +0000
    Re: Overriding a global Roy Smith <roy@panix.com> - 2011-12-10 16:10 -0500
      Re: Overriding a global Jean-Michel Pichavant <jeanmichel@sequans.com> - 2011-12-12 12:13 +0100
        Re: Overriding a global Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-12 21:28 +0000
          Re: Overriding a global Dave Angel <d@davea.name> - 2011-12-12 16:43 -0500
            Re: Overriding a global Ben Finney <ben+python@benfinney.id.au> - 2011-12-13 09:27 +1100
              Re: Overriding a global Dave Angel <d@davea.name> - 2011-12-12 20:46 -0500
              Re: Overriding a global Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-13 01:48 +0000
              Re: Overriding a global Ian Kelly <ian.g.kelly@gmail.com> - 2011-12-12 22:50 -0700
              Re: Overriding a global Joshua Landau <joshua.landau.ws@gmail.com> - 2011-12-13 08:34 +0000
              Re: Overriding a global Ian Kelly <ian.g.kelly@gmail.com> - 2011-12-13 12:34 -0700
              Re: Overriding a global Ian Kelly <ian.g.kelly@gmail.com> - 2011-12-13 12:54 -0700
          Re: Overriding a global Jean-Michel Pichavant <jeanmichel@sequans.com> - 2011-12-13 10:54 +0100
            Re: Overriding a global Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-13 11:15 +0000
              Re: Overriding a global Jean-Michel Pichavant <jeanmichel@sequans.com> - 2011-12-13 14:30 +0100
              Re: Overriding a global Jean-Michel Pichavant <jeanmichel@sequans.com> - 2011-12-14 11:14 +0100
              Re: Overriding a global Chris Angelico <rosuav@gmail.com> - 2011-12-14 21:32 +1100
              Re: Overriding a global Jean-Michel Pichavant <jeanmichel@sequans.com> - 2011-12-14 13:05 +0100
                Re: Overriding a global Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-14 12:53 +0000
                Re: Overriding a global Jean-Michel Pichavant <jeanmichel@sequans.com> - 2011-12-14 14:35 +0100
              Re: Overriding a global Chris Angelico <rosuav@gmail.com> - 2011-12-14 23:21 +1100
              Re: Overriding a global Jean-Michel Pichavant <jeanmichel@sequans.com> - 2011-12-14 18:06 +0100
  Re: Overriding a global Terry Reedy <tjreedy@udel.edu> - 2011-12-10 19:14 -0500
  Re: Overriding a global Terry Reedy <tjreedy@udel.edu> - 2011-12-10 19:19 -0500
  Re: Overriding a global Peter Otten <__peter__@web.de> - 2011-12-11 09:14 +0100
  Re: Overriding a global Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2011-12-13 10:15 +0100

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