Metaclass mystery

[Lie Ryan]

LittleGrasshopper wrote:
> On May 31, 2:03 pm, a... at pythoncraft.com (Aahz) wrote:
>> In article <eaf75582-0d22-4b31-b0e7-b8e5baa5c... at s21g2000vbb.googlegroups..com>,
>>
>> LittleGrasshopper  <seattleha... at yahoo.com> wrote:
>>>> On May 31, 12:19=A0am, Arnaud Delobelle <arno... at googlemail.com> wrote:
>>>>> [1]http://www.python.org/download/releases/2.2.3/descrintro/
>>> I'm about 2/3 of the way through this paper (although I don't claim to
>>> understand all of it.) There is some heavy duty material in there,
>>> enough to make me feel really stupid and frustrated at times. I'm
>>> making connections as I go though, hopefully everything will sink in
>>> eventually.
>>> Is this stuff actually tough, or am I just a dummy?
>> Definitely tough!  Metaclasses can cause dain bramage.
>> --
>> Aahz (a... at pythoncraft.com)           <*>        http://www.pythoncraft.com/
>>
>> my-python-code-runs-5x-faster-this-month-thanks-to-dumping-$2K-
>>     on-a-new-machine-ly y'rs  - tim
> 
> Good to know, I'll stick to it and persevere. Will check doctor
> regularly for dain bramage though.

Fortunately python makes it rare that we actually need to use metaclass.
Especially with class decorators and such...

With that said, the rare cases where it is really needed; brain
hemorrhage is not only possible but when.