Path: csiph.com!fu-berlin.de!uni-berlin.de!not-for-mail From: Chris Angelico Newsgroups: comp.lang.python Subject: Re: Descriptors vs Property Date: Sat, 12 Mar 2016 17:35:35 +1100 Lines: 11 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Trace: news.uni-berlin.de Ua5cS3ZbqKIjlWT8ZNf8hAGGqCSAqVxPXAwVm9dcOYmQ== Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.019 X-Spam-Evidence: '*H*': 0.96; '*S*': 0.00; 'context': 0.05; 'cc:addr :python-list': 0.09; 'typeerror:': 0.09; '2016': 0.16; 'from:addr:rosuav': 0.16; 'from:name:chris angelico': 0.16; 'received:io': 0.16; 'received:psf.io': 0.16; 'wrote:': 0.16; 'cc:2**0': 0.20; 'cc:addr:python.org': 0.20; 'arguments': 0.22; 'context.': 0.22; 'sat,': 0.23; 'header:In-Reply-To:1': 0.24; 'message-id:@mail.gmail.com': 0.27; 'code': 0.30; 'gives': 0.35; 'received:google.com': 0.35; "isn't": 0.35; 'but': 0.36; 'received:209.85': 0.36; 'pm,': 0.36; 'subject:: ': 0.37; '12,': 0.37; 'received:209.85.213': 0.37; 'received:209': 0.38; 'takes': 0.39; 'default': 0.61; 'mar': 0.65; 'to:none': 0.91; 'subject:Property': 0.91 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:cc; bh=JluuV5qy8ctUWRwAqKUd1Av9UlfHs/7Z3vDMBiehFwY=; b=I5f7EokUTKxurMsY8KAi2s8ri4MP9hR09pA4kwebvHtlx8QYI4WIyNBh5hfLpbEf8X H/jWRhzlYHLc6fuTn6eYNkD5+tFfwK/SnG0OlbVBLua+WAeARb2eN/2RWan+atPod9Tr KRqHgiKwmEyivyERLFSNvHVzlbpLX+2rPKdG5TTo6OKU0MdVaaIe/dW6pTKLlp94wsKG gmW9oOKYE0BDlCIxk5Sflx0OpC7ujdz4ukoKtMWZklCenzFEM9qh+g8Qt9T7wJbtVvQk QfbkyFZx00MCYuKcf3/7/aTd+h+nIRaw9K3jjTuRlHIDqv3RwBrpv5MzMYZKoB2crlje BHZQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:cc; bh=JluuV5qy8ctUWRwAqKUd1Av9UlfHs/7Z3vDMBiehFwY=; b=JGGUq/ObizRHXpNrnvRwYJpOwdthgeGHj+dPkLDY+e/GEeEcGaAXVCVPVq2GSqB40R xNbRwPFwJSf+ty5Z5/3e83B5D5bPVDFtCq2CVIuCTBAYlm8hLE1CZ5plgBiy04FtHXQR VgRZGsD7DmgndfUEDz96e9q3m3YtL6ovj4wYYu36faePla1Rz/xAYethQy0Dt9J7Uonj ODL3bZS9orepfc3Hgy9SoGm9h7sMK1eHttgt+byRkc2TzQXU2ue6OlI2E0laO6xcOqst U9bQYclxVOC7BQue6xUP6JGYq2OBDA5VPTUQ/9IMTJznv6v1GJuGGCy7aNE8JJmhI6Hm zRnA== X-Gm-Message-State: AD7BkJLscbwjoL4UCSqq7lc0PpnghSmfXu3lm1qlB8RoCpUn0xhWEIzOfiRfgymZ1bVXp0OOr1phYWri5+3AYA== X-Received: by 10.50.28.105 with SMTP id a9mr8205811igh.94.1457764535423; Fri, 11 Mar 2016 22:35:35 -0800 (PST) In-Reply-To: X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Xref: csiph.com comp.lang.python:104676 On Sat, Mar 12, 2016 at 5:24 PM, Veek. M wrote: >> Also, what's this bit: >> self.default = default if default else type() > But type() just gives me: > TypeError: type() takes 1 or 3 arguments > on py2,3 Check out the context of the original line of code and see what it's doing. It isn't the same as "type()" in a bare context. ChrisA'