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Re: def __init__(self):

From Ben Finney <ben+python@benfinney.id.au>
Newsgroups comp.lang.python
Subject Re: def __init__(self):
Date 2016-04-26 17:34 +1000
Message-ID <mailman.100.1461656092.32212.python-list@python.org> (permalink)
References <34e51ef5-9679-40ec-bc8f-47981353e9d7@googlegroups.com> <571F1361.3010402@digipen.edu> <85eg9sn7qo.fsf@benfinney.id.au>

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Gary Herron <gherron@digipen.edu> writes:

>    The __init__ method is the constructor for instances of a class.  It
>    is not required, but the situations in which a constructor is not
>    needed are few and unusual.

That's needlessly confusing: ‘__init__’ is not a constructor because it
does not construct the instance. The ‘__new__’ method is the constructor
for a class (and returns the new instance).

The ‘__init__’ method requests the already-constructed instance to
initialise itself (and returns None).

-- 
 \         “I still have my Christmas Tree. I looked at it today. Sure |
  `\               enough, I couldn't see any forests.” —Steven Wright |
_o__)                                                                  |
Ben Finney

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Thread

def __init__(self): San <santanu01@gmail.com> - 2016-04-25 23:21 -0700
  Re: def __init__(self): Ben Finney <ben+python@benfinney.id.au> - 2016-04-26 16:31 +1000
  Re: def __init__(self): Gary Herron <gherron@digipen.edu> - 2016-04-26 00:06 -0700
  Re: def __init__(self): Ben Finney <ben+python@benfinney.id.au> - 2016-04-26 17:34 +1000
    Re: def __init__(self): Marko Rauhamaa <marko@pacujo.net> - 2016-04-26 11:25 +0300
      Re: def __init__(self): Steven D'Aprano <steve@pearwood.info> - 2016-04-27 02:12 +1000
        Re: def __init__(self): Random832 <random832@fastmail.com> - 2016-04-26 12:26 -0400
          Re: def __init__(self): Steven D'Aprano <steve@pearwood.info> - 2016-04-27 02:32 +1000
            Re: def __init__(self): Chris Kaynor <ckaynor@zindagigames.com> - 2016-04-26 09:59 -0700
              Re: def __init__(self): Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2016-04-27 14:54 +1000
            Re: def __init__(self): Chris Angelico <rosuav@gmail.com> - 2016-04-27 03:04 +1000
            Re: def __init__(self): Chris Kaynor <ckaynor@zindagigames.com> - 2016-04-26 10:13 -0700
            Re: def __init__(self): Ian Kelly <ian.g.kelly@gmail.com> - 2016-04-26 11:26 -0600
            Re: def __init__(self): Chris Angelico <rosuav@gmail.com> - 2016-04-27 03:30 +1000
        Re: def __init__(self): Marko Rauhamaa <marko@pacujo.net> - 2016-04-26 19:38 +0300
  Re: def __init__(self): Random832 <random832@fastmail.com> - 2016-04-26 09:49 -0400
  Re: def __init__(self): Gary Herron <gherron@digipen.edu> - 2016-04-26 07:25 -0700

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