From nobody Sat Sep 21 05:23:11 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1622150828; cv=none; d=zohomail.com; s=zohoarc; b=Q/EylSBHipBSWZbcjB3cLMlAJZZ+UNBOkCrB9r3LkGr3qwm1aADvVYFUfBHYbsv/JBbvegOsJ9wd2hITWN6SFn+0ruObyCTu+XIZlvFKzVIviqaRcuIFJ2NPfdJpQL5U7gKbA8A+qUnk9hFxq66qxcMAc49ya264ZcN7u2fzYmI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1622150828; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=WwrTT2qkQZciJ9bA6Dbm8rGrg7RswV824H1jgqdNc+w=; b=Dau2qVTsn+rDQKUvferArwr09E8BK6lzYRA/gPoM7qb5beWNK7FwVMkhaNR/TaPb4Sgs6dYwagbERhYKoE0/jRCd+DaJYbw0vjeYw7r2VcPJLCfqPA6JrWWW6Zm0cX4gxyrBm2scY5zahsI+23UBLHcZShAoIggoQ/b4sB9UmBQ= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1622150828238425.6969520442059; Thu, 27 May 2021 14:27:08 -0700 (PDT) Received: from localhost ([::1]:40500 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lmNX1-0005AY-8E for importer@patchew.org; Thu, 27 May 2021 17:27:07 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:47640) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lmNOA-0001mb-VE for qemu-devel@nongnu.org; Thu, 27 May 2021 17:17:58 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:40156) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lmNO7-0008Gl-NR for qemu-devel@nongnu.org; Thu, 27 May 2021 17:17:58 -0400 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-484-ZbK6HmUjOBeCJ4Prx1AlbQ-1; Thu, 27 May 2021 17:17:53 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 282E88042AD; Thu, 27 May 2021 21:17:52 +0000 (UTC) Received: from scv.redhat.com (ovpn-116-137.rdu2.redhat.com [10.10.116.137]) by smtp.corp.redhat.com (Postfix) with ESMTP id 585685D9C6; Thu, 27 May 2021 21:17:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1622150275; 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=WwrTT2qkQZciJ9bA6Dbm8rGrg7RswV824H1jgqdNc+w=; b=dXloRWhtlkl3WUXT723l2ulLf1Prz/FWTBrtCE6pjj95keiWm0aTPQFmSIVyVAkQBIvEdn EwnvvzpO736Gj9qoWxpl/o9LI/Ff50LomiDN+CVHqa+u36siOkNV5EAr6+nIyVvCrRvka5 7/WT9z9brnukzc1QLdofJGGlmRInmD0= X-MC-Unique: ZbK6HmUjOBeCJ4Prx1AlbQ-1 From: John Snow To: qemu-devel@nongnu.org Subject: [PATCH v8 05/31] python/machine: Disable pylint warning for open() in _pre_launch Date: Thu, 27 May 2021 17:16:49 -0400 Message-Id: <20210527211715.394144-6-jsnow@redhat.com> In-Reply-To: <20210527211715.394144-1-jsnow@redhat.com> References: <20210527211715.394144-1-jsnow@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 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: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=jsnow@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -31 X-Spam_score: -3.2 X-Spam_bar: --- X-Spam_report: (-3.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.374, 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 , Thomas Huth , Eduardo Habkost , qemu-block@nongnu.org, =?UTF-8?q?Alex=20Benn=C3=A9e?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Wainer dos Santos Moschetta , Max Reitz , Willian Rampazzo , Cleber Rosa , John Snow Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Shift the open() call later so that the pylint pragma applies *only* to that one open() call. Add a note that suggests why this is safe: the resource is unconditionally cleaned up in _post_shutdown(). _post_shutdown is called after failed launches (see launch()), and unconditionally after every call to shutdown(), and therefore also on __exit__. Signed-off-by: John Snow Reviewed-by: Wainer dos Santos Moschetta Reviewed-by: Cleber Rosa Message-id: 20210517184808.3562549-6-jsnow@redhat.com Signed-off-by: John Snow --- python/qemu/machine.py | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/python/qemu/machine.py b/python/qemu/machine.py index 04e005f3811..c66bc6a9c69 100644 --- a/python/qemu/machine.py +++ b/python/qemu/machine.py @@ -306,7 +306,6 @@ def _base_args(self) -> List[str]: =20 def _pre_launch(self) -> None: self._qemu_log_path =3D os.path.join(self.temp_dir, self._name + "= .log") - self._qemu_log_file =3D open(self._qemu_log_path, 'wb') =20 if self._console_set: self._remove_files.append(self._console_address) @@ -321,6 +320,11 @@ def _pre_launch(self) -> None: nickname=3Dself._name ) =20 + # NOTE: Make sure any opened resources are *definitely* freed in + # _post_shutdown()! + # pylint: disable=3Dconsider-using-with + self._qemu_log_file =3D open(self._qemu_log_path, 'wb') + def _post_launch(self) -> None: if self._qmp_connection: self._qmp.accept() --=20 2.31.1