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Class decorators might also be super too
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Raymond Hettinger
May 28, 2011, 3:55:20 PM5/28/11
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David Beazley wrote a class decorator blog post that is worth reading:
http://dabeaz.blogspot.com/2011/05/class-decorators-might-also-be-super.html
http://dabeaz.blogspot.com/2011/05/class-decorators-might-also-be-super.html
Raymond
Michele Simionato
May 29, 2011, 2:33:02 AM5/29/11
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He is basically showing that using mixins for implementing logging is not such a good idea, i.e. you can get the same effect in a better way by making use of other Python features. I argued the same thing many times in the past. I even wrote a module once (strait) to reimplement 99% of multiple inheritance without multiple inheritance, just to show that in can be done in few lines of code in a language as powerful as Python.
Vinay Sajip
May 29, 2011, 7:29:06 AM5/29/11
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On May 29, 7:33 am, Michele Simionato <michele.simion...@gmail.com>
wrote:
> He is basically showing that using mixins for implementingloggingis not such a good idea,
wrote:
> He is basically showing that using mixins for implementingloggingis not such a good idea,
I don't think he was particularly advocating implementing logging this
way, but rather just using logging for illustrative purposes.
Regards,
Vinay Sajip
Raymond Hettinger
May 30, 2011, 12:27:37 AM5/30/11
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On May 28, 11:33 pm, Michele Simionato <michele.simion...@gmail.com>
wrote:
> He is basically showing that using mixins for implementing logging is not such a good idea, i.e. you can get the same effect in a better way by making use of other Python features. I argued the same thing many times in the past. I even wrote a module once (strait) to reimplement 99% of multiple inheritance without multiple inheritance, just to show that in can be done in few lines of code in a language as powerful as Python.
wrote:
> He is basically showing that using mixins for implementing logging is not such a good idea, i.e. you can get the same effect in a better way by making use of other Python features. I argued the same thing many times in the past. I even wrote a module once (strait) to reimplement 99% of multiple inheritance without multiple inheritance, just to show that in can be done in few lines of code in a language as powerful as Python.
More importantly, anyone who reads posts such as David' will walk away
with a deeper understanding of class decorators, mixins, and
inheritance. That makes the post worthwhile even if someone never
ends up using those particular coding technique.
Raymond
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