From mboxrd@z Thu Jan 1 00:00:00 1970 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=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 E9FA8C07E9B for ; Tue, 20 Jul 2021 17:37:22 +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 B5F1E60FE7 for ; Tue, 20 Jul 2021 17:37:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B5F1E60FE7 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]:60078 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m5tgH-00076m-UT for qemu-devel@archiver.kernel.org; Tue, 20 Jul 2021 13:37:21 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:55556) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m5tcq-0005T4-Su for qemu-devel@nongnu.org; Tue, 20 Jul 2021 13:33:48 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:27511) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m5tco-0005Z2-HC for qemu-devel@nongnu.org; Tue, 20 Jul 2021 13:33:48 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1626802426; 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=Wm+w/Q7w1N/7b7PVF5TuJJNEZKONVEp1ktCTYUmc+m0=; b=YSrvhW1+gSFMIBBW0x1a/9udUM4bKDjH86lA4Fds7urw2uwR1E9znvbilR3OY1q0+nnl/Q 4ToEsKv1FWIaG8QR6cZdXDTzbA0yMPiaWW0rmq4M1A/eSUPwRrki48Gz4zgUK4iq4hEJnL P7GMkAveFR+emVYvGuSdMgJUf+GLGpE= 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-401-WvtN4DlKN5Sy88PNE665uQ-1; Tue, 20 Jul 2021 13:33:42 -0400 X-MC-Unique: WvtN4DlKN5Sy88PNE665uQ-1 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 mimecast-mx01.redhat.com (Postfix) with ESMTPS id 7F52D10C1ADC; Tue, 20 Jul 2021 17:33:41 +0000 (UTC) Received: from scv.redhat.com (ovpn-119-193.rdu2.redhat.com [10.10.119.193]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8233A69CB4; Tue, 20 Jul 2021 17:33:40 +0000 (UTC) From: John Snow To: qemu-devel@nongnu.org Subject: [PATCH v2 02/17] iotests: use subprocess.DEVNULL instead of open("/dev/null") Date: Tue, 20 Jul 2021 13:33:21 -0400 Message-Id: <20210720173336.1876937-3-jsnow@redhat.com> In-Reply-To: <20210720173336.1876937-1-jsnow@redhat.com> References: <20210720173336.1876937-1-jsnow@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 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 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII" Received-SPF: pass client-ip=216.205.24.124; envelope-from=jsnow@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -23 X-Spam_score: -2.4 X-Spam_bar: -- X-Spam_report: (-2.4 / 5.0 requ) DKIMWL_WL_HIGH=-1.474, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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: Kevin Wolf , Vladimir Sementsov-Ogievskiy , Eduardo Habkost , qemu-block@nongnu.org, Markus Armbruster , Max Reitz , Cleber Rosa , John Snow Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Avoids a warning from pylint not to use open() outside of a with-statement, and is ... probably more portable anyway. Not that I think we care too much about running tests *on* Windows, but... eh. Signed-off-by: John Snow --- tests/qemu-iotests/iotests.py | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py index beadf5c821c..64f9b688f55 100644 --- a/tests/qemu-iotests/iotests.py +++ b/tests/qemu-iotests/iotests.py @@ -219,18 +219,18 @@ def qemu_io_silent(*args): default_args = qemu_io_args args = default_args + list(args) - exitcode = subprocess.call(args, stdout=open('/dev/null', 'w')) - if exitcode < 0: + result = subprocess.run(args, stdout=subprocess.DEVNULL, check=False) + if result.returncode < 0: sys.stderr.write('qemu-io received signal %i: %s\n' % - (-exitcode, ' '.join(args))) - return exitcode + (-result.returncode, ' '.join(args))) + return result.returncode def qemu_io_silent_check(*args): '''Run qemu-io and return the true if subprocess returned 0''' args = qemu_io_args + list(args) - exitcode = subprocess.call(args, stdout=open('/dev/null', 'w'), - stderr=subprocess.STDOUT) - return exitcode == 0 + result = subprocess.run(args, stdout=subprocess.DEVNULL, + stderr=subprocess.STDOUT, check=False) + return result.returncode == 0 class QemuIoInteractive: def __init__(self, *args): -- 2.31.1