Path: csiph.com!usenet.pasdenom.info!news.albasani.net!newsfeed.freenet.ag!news2.euro.net!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.024 X-Spam-Evidence: '*H*': 0.95; '*S*': 0.00; 'python3': 0.07; 'received:209.85.219': 0.09; 'subject:string': 0.09; 'thx': 0.09; 'gpg': 0.16; 'src': 0.16; 'subject:format': 0.16; 'subject:python3': 0.16; 'looked': 0.18; 'mechanism': 0.19; 'pass': 0.26; 'statement': 0.30; 'message-id:@mail.gmail.com': 0.30; 'invoke': 0.31; 'class': 0.32; 'received:209.85': 0.35; 'received:google.com': 0.35; 'method': 0.36; 'so,': 0.37; 'received:209': 0.37; 'skip:& 10': 0.38; 'same.': 0.38; 'to:addr :python-list': 0.38; 'skip:& 20': 0.39; 'to:addr:python.org': 0.39; 'url:about': 0.61; 'simply': 0.61; 'more': 0.64; 'url:me': 0.69 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:x-received:x-originating-ip:date:message-id:subject :from:to:content-type:x-gm-message-state; bh=IS/7KQnnKTEk0LeLsJsWrTkrnjMyVQWWh5pdhy2ivro=; b=UKwyZdA+Mdn0qePsWHTDZERY+tUE+LXpfMGtWQyd3H0SvoFcz3M0eMROb87wW3pc9z L01r3+epegx3HG3q8oAmGnDVzKQwMqxP5K8cg7aztdz0ynY79/wPK6XiK8edCau4nBA3 zsUcc8ktdAPfF0TG6TX0+A89sVkcAfsPKGNYiVNF9FBZo8NvwP8Q3fZtMxoOiwnhJ8xf KhxZMNQQyK5TGz/hzcDoZyGtXe66UQnQuXiV5dBLAkFmV+Qe4Q1Izo7eur2YxvYthFYC NfPJd2/6e2knbOV98rHbh6D62Xq1O10HldrtaywC+GUZ25ZK3tmmiUkrXVVvfj8quSQ8 QAug== MIME-Version: 1.0 X-Received: by 10.60.31.79 with SMTP id y15mr13086014oeh.123.1364271851855; Mon, 25 Mar 2013 21:24:11 -0700 (PDT) X-Originating-IP: [202.112.3.7] Date: Tue, 26 Mar 2013 12:24:11 +0800 Subject: python3 string format From: Shiyao Ma To: python-list@python.org Content-Type: multipart/alternative; boundary=e89a8fb1f1641b725f04d8cc4b37 X-Gm-Message-State: ALoCoQmPRhisvITbnsuH2iSMpXX3mhA704i/vgNu2D5uspjA6lwpIAmpw5DfVxpRtVh/ybGwDtRT X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 38 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1364271854 news.xs4all.nl 6855 [2001:888:2000:d::a6]:39490 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:41851 --e89a8fb1f1641b725f04d8cc4b37 Content-Type: text/plain; charset=ISO-8859-1 HI. one thing confuses me. It is said in the pep3101 that "{}".format (x) will invoke the method x.__format__ However, I looked at the src of python3 and found: in class str(object), the format simply contains a pass statement in class int(object), things is the same. So, what's the mechanism that "{}" works? Thx -- My gpg pubring is available via: gpg --keyserver subkeys.pgp.net--recv-keys 307CF736 More on: http://about.me/introom --e89a8fb1f1641b725f04d8cc4b37 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable HI.
one thing confuses me.
It is said in the pep3101 that &qu= ot;{}".format (x) will invoke the method x.__format__
Howeve= r, I looked at the src of python3 and found:
in class str(object)= , the format simply contains a pass statement
in class int(object), things is the same.

So,= what's the mechanism that "{}" works?
Thx

--
My gpg pubring is available via: gpg --keyse= rver subkeys.pgp.net --recv-keys 307CF736

More on: http://a= bout.me/introom

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