From patchwork Tue Sep 22 22:35:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Snow X-Patchwork-Id: 304690 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3EF2CC2D0E2 for ; Tue, 22 Sep 2020 22:37:40 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 9E7C420715 for ; Tue, 22 Sep 2020 22:37:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="OaNAoAso" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9E7C420715 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:44754 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kKquo-0007XO-K2 for qemu-devel@archiver.kernel.org; Tue, 22 Sep 2020 18:37:38 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:57976) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kKqsq-00046k-2B for qemu-devel@nongnu.org; Tue, 22 Sep 2020 18:35:36 -0400 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:52837 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kKqso-0007bL-EQ for qemu-devel@nongnu.org; Tue, 22 Sep 2020 18:35:35 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1600814133; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=snMperRcJ+yh2ihxI2qqgjRXS3cpwHmHoHiVVHkmroA=; b=OaNAoAsoHhcL4hXeXlfpWZK9SzVKAa35ecMjk87VKTVzYo62asDwXum4dj2NrRp1nUlRhf tQIX0kZttT/28mY39M5W1TQd5OUdq87YqBZGvW9z43hkcQAqVMc6bmQDKzqES6XAWkVhQw 51DtzGqMMQQh4ZVcVqvwWkV9NHNaD2U= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-281-KBVqvTtjMQqY_sgBX2amTQ-1; Tue, 22 Sep 2020 18:35:31 -0400 X-MC-Unique: KBVqvTtjMQqY_sgBX2amTQ-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id ACA0D81CAFB; Tue, 22 Sep 2020 22:35:30 +0000 (UTC) Received: from scv.redhat.com (ovpn-119-140.rdu2.redhat.com [10.10.119.140]) by smtp.corp.redhat.com (Postfix) with ESMTP id DCA8060BF4; Tue, 22 Sep 2020 22:35:29 +0000 (UTC) From: John Snow To: Markus Armbruster Subject: [PATCH 03/26] qapi/parser.py: use 'with' statement for opening files Date: Tue, 22 Sep 2020 18:35:02 -0400 Message-Id: <20200922223525.4085762-4-jsnow@redhat.com> In-Reply-To: <20200922223525.4085762-1-jsnow@redhat.com> References: <20200922223525.4085762-1-jsnow@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jsnow@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=207.211.31.120; envelope-from=jsnow@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/22 17:01:35 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -35 X-Spam_score: -3.6 X-Spam_bar: --- X-Spam_report: (-3.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.455, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Cleber Rosa , John Snow , qemu-devel@nongnu.org, Eduardo Habkost , Michael Roth Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Minor, this prevents file descriptor leaks on error pathways. Signed-off-by: John Snow --- scripts/qapi/parser.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/scripts/qapi/parser.py b/scripts/qapi/parser.py index b2984c8ff0..d0f35fe03e 100644 --- a/scripts/qapi/parser.py +++ b/scripts/qapi/parser.py @@ -64,8 +64,8 @@ def __init__(self, fname, previously_included=None, incl_info=None): # Showtime! try: - fp = open(self._fname, 'r', encoding='utf-8') - self.src = fp.read() + with open(self._fname, 'r', encoding='utf-8') as fp: + self.src = fp.read() except IOError as e: raise QAPISemError(incl_info or QAPISourceInfo(None, None, None), "can't read %s file '%s': %s"