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[209.132.180.67]) by mx.google.com with ESMTP id g18si14876884pgg.522.2018.12.12.10.15.13; Wed, 12 Dec 2018 10:15:29 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728184AbeLLSOO (ORCPT + 99 others); Wed, 12 Dec 2018 13:14:14 -0500 Received: from mx1.redhat.com ([209.132.183.28]:38210 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727799AbeLLSOO (ORCPT ); Wed, 12 Dec 2018 13:14:14 -0500 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 7C4B3C0C5A4E; Wed, 12 Dec 2018 18:14:13 +0000 (UTC) Received: from laptop.jcline.org (ovpn-121-97.rdu2.redhat.com [10.10.121.97]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 1F2F260142; Wed, 12 Dec 2018 18:14:13 +0000 (UTC) Received: from laptop.jcline.org (localhost [IPv6:::1]) by laptop.jcline.org (Postfix) with ESMTPS id 1B933468ED5C; Wed, 12 Dec 2018 13:14:12 -0500 (EST) Date: Wed, 12 Dec 2018 13:14:10 -0500 From: Jeremy Cline To: Thierry Reding Cc: Andrew Morton , Thomas Gleixner , Jonathan Corbet , Joe Perches , Uwe =?utf-8?Q?Kleine-K=C3=B6nig?= , linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/2] scripts/spdxcheck.py: Always open files in binary mode Message-ID: <20181212181410.GC2352@laptop.jcline.org> References: <20181212131210.28024-1-thierry.reding@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181212131210.28024-1-thierry.reding@gmail.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Wed, 12 Dec 2018 18:14:13 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On Wed, Dec 12, 2018 at 02:12:09PM +0100, Thierry Reding wrote: > From: Thierry Reding > > The spdxcheck script currently falls over when confronted with a binary > file (such as Documentation/logo.gif). To avoid that, always open files > in binary mode and decode line-by-line, ignoring encoding errors. > > One tricky case is when piping data into the script and reading it from > standard input. By default, standard input will be opened in text mode, > so we need to reopen it in binary mode. > > Signed-off-by: Thierry Reding > --- > scripts/spdxcheck.py | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > > diff --git a/scripts/spdxcheck.py b/scripts/spdxcheck.py > index 5056fb3b897d..e559c6294c39 100755 > --- a/scripts/spdxcheck.py > +++ b/scripts/spdxcheck.py > @@ -168,6 +168,7 @@ class id_parser(object): > self.curline = 0 > try: > for line in fd: > + line = line.decode(locale.getpreferredencoding(False), errors='ignore') > self.curline += 1 > if self.curline > maxlines: > break > @@ -249,12 +250,13 @@ if __name__ == '__main__': > > try: > if len(args.path) and args.path[0] == '-': > - parser.parse_lines(sys.stdin, args.maxlines, '-') > + stdin = os.fdopen(sys.stdin.fileno(), 'rb') > + parser.parse_lines(stdin, args.maxlines, '-') > else: > if args.path: > for p in args.path: > if os.path.isfile(p): > - parser.parse_lines(open(p), args.maxlines, p) > + parser.parse_lines(open(p, 'rb'), args.maxlines, p) > elif os.path.isdir(p): > scan_git_subtree(repo.head.reference.commit.tree, p) > else: > -- > 2.19.1 > It might be worth noting this fixes commit 6f4d29df66ac ("scripts/spdxcheck.py: make python3 compliant") and also Cc this for stable since 6f4d29df66ac got backported to v4.19. While that commit did indeed make the script work with Python 3 for piping data, it broke Python 2 and made its way to stable. Reviewed-by: Jeremy Cline Regards, Jeremy