hasattr() or "x in y"?

Path	csiph.com!eternal-september.org!feeder.eternal-september.org!mx02.eternal-september.org!.POSTED!not-for-mail
From	"Charles T. Smith" <cts.private.yahoo@gmail.com>
Newsgroups	comp.lang.python
Subject	hasattr() or "x in y"?
Date	Fri, 11 Mar 2016 21:44:27 -0000 (UTC)
Organization	A noiseless patient Spider
Lines	6
Message-ID	<nbve7c$nbo$1@dont-email.me> (permalink)
Mime-Version	1.0
Content-Type	text/plain; charset=UTF-8
Content-Transfer-Encoding	8bit
Injection-Date	Fri, 11 Mar 2016 21:44:27 -0000 (UTC)
Injection-Info	mx02.eternal-september.org; posting-host="177e1664974e843811fc618206653a33"; logging-data="23928"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+dUXZMbQO1DG4gFxFlSaOIqkclHPd5gLs="
User-Agent	Pan/0.133 (House of Butterflies)
Cancel-Lock	sha1:Ujib1W5OAP4z1b8WEtjcT0+ll+k=
Xref	csiph.com comp.lang.python:104646

Show key headers only | View raw

From the performance point of view, which is better:
- hasattr()
- x in y

TIA
cts

Back to comp.lang.python | Previous | Next — Next in thread | Find similar | Unroll thread

Thread

hasattr() or "x in y"? "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2016-03-11 21:44 +0000
  Re: hasattr() or "x in y"? Chris Angelico <rosuav@gmail.com> - 2016-03-12 08:55 +1100
  Re: hasattr() or "x in y"? "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2016-03-11 21:53 +0000
    Re: hasattr() or "x in y"? Chris Angelico <rosuav@gmail.com> - 2016-03-12 09:04 +1100
    Re: hasattr() or "x in y"? Mark Lawrence <breamoreboy@yahoo.co.uk> - 2016-03-11 22:05 +0000
  Re: hasattr() or "x in y"? Grant Edwards <invalid@invalid.invalid> - 2016-03-11 22:00 +0000
    Re: hasattr() or "x in y"? "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2016-03-11 22:18 +0000
      Re: hasattr() or "x in y"? Grant Edwards <invalid@invalid.invalid> - 2016-03-11 22:30 +0000

csiph-web