From patchwork Mon May 17 18:48:03 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: John Snow X-Patchwork-Id: 12262961 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 23502C43460 for ; Mon, 17 May 2021 19:26:35 +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 D63936109E for ; Mon, 17 May 2021 19:26:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D63936109E 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]:60264 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1liisr-00025q-O0 for qemu-devel@archiver.kernel.org; Mon, 17 May 2021 15:26:33 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42732) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1liiHs-0000zT-63 for qemu-devel@nongnu.org; Mon, 17 May 2021 14:48:20 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:41751) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1liiHq-0006tj-BM for qemu-devel@nongnu.org; Mon, 17 May 2021 14:48:19 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1621277297; 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=lBD4hUv3uFfBx2PnKVfChaLnqq3xzk/SIyEr89wp+sQ=; b=gP8V52HhFZXmgCzt8xRiDhGdBUcGKfu1HL2fk0R/JSbC3sK+DLfWPpuSbTUbBpOqbwFN/1 Kz5C79cyNSsgayFUR3CTk4PNku26wTWFYmTCDh1O8KGTsEvJ4z+CCYMLG/y1E1qYDLoGLX 584eSYp4/19qQxYV36UTHmgmhh6F8gI= 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-327-Zr1lgAAHN1KmsIGlRbgBLw-1; Mon, 17 May 2021 14:48:15 -0400 X-MC-Unique: Zr1lgAAHN1KmsIGlRbgBLw-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 24AA88186E8 for ; Mon, 17 May 2021 18:48:14 +0000 (UTC) Received: from scv.redhat.com (ovpn-117-64.rdu2.redhat.com [10.10.117.64]) by smtp.corp.redhat.com (Postfix) with ESMTP id 37BD619C46; Mon, 17 May 2021 18:48:13 +0000 (UTC) From: John Snow To: qemu-devel@nongnu.org Subject: [PATCH v2 1/6] python/console_socket: avoid one-letter variable Date: Mon, 17 May 2021 14:48:03 -0400 Message-Id: <20210517184808.3562549-2-jsnow@redhat.com> In-Reply-To: <20210517184808.3562549-1-jsnow@redhat.com> References: <20210517184808.3562549-1-jsnow@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 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=216.205.24.124; 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=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: Emanuele Giuseppe Esposito , Eduardo Habkost , John Snow , Wainer dos Santos Moschetta , Cleber Rosa , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Fixes pylint warnings. Signed-off-by: John Snow Reviewed-by: Cleber Rosa Reviewed-by: Philippe Mathieu-Daudé --- python/qemu/console_socket.py | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/python/qemu/console_socket.py b/python/qemu/console_socket.py index ac21130e446..87237bebef7 100644 --- a/python/qemu/console_socket.py +++ b/python/qemu/console_socket.py @@ -46,11 +46,11 @@ def __init__(self, address: str, file: Optional[str] = None, self._drain_thread = self._thread_start() def __repr__(self) -> str: - s = super().__repr__() - s = s.rstrip(">") - s = "%s, logfile=%s, drain_thread=%s>" % (s, self._logfile, - self._drain_thread) - return s + tmp = super().__repr__() + tmp = tmp.rstrip(">") + tmp = "%s, logfile=%s, drain_thread=%s>" % (tmp, self._logfile, + self._drain_thread) + return tmp def _drain_fn(self) -> None: """Drains the socket and runs while the socket is open.""" From patchwork Mon May 17 18:48:04 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: John Snow X-Patchwork-Id: 12262965 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 1852DC433ED for ; Mon, 17 May 2021 19:29:17 +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 B8EA76128A for ; Mon, 17 May 2021 19:29:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B8EA76128A 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]:40498 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1liivT-0007ps-NF for qemu-devel@archiver.kernel.org; Mon, 17 May 2021 15:29:15 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42750) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1liiHt-00012Y-1F for qemu-devel@nongnu.org; Mon, 17 May 2021 14:48:21 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:35880) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1liiHq-0006tn-DF for qemu-devel@nongnu.org; Mon, 17 May 2021 14:48:20 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1621277297; 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=bjPSneTvTI+TkbJZNubTGkNppSr91+Xv4DZST4sCK6Q=; b=bQowQs02j8ks8r4sPNqaVPi/7pZvSS37Vi7wx5lUSUboF117Kui+gJynLq+xoS28IIBixf nvBoBfIqZkIyxNjeZ1AJskJqpUpAHzItNQIycLB8IRwL+wsemkBCWYt0tCBv1/S9Phd9yf vWBMyB2K6f9sClfW9rzaJwlVqMnJeTA= 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-14-S6HD-GcDPmiOJVbT0KbhzQ-1; Mon, 17 May 2021 14:48:16 -0400 X-MC-Unique: S6HD-GcDPmiOJVbT0KbhzQ-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 45DE28015F5 for ; Mon, 17 May 2021 18:48:15 +0000 (UTC) Received: from scv.redhat.com (ovpn-117-64.rdu2.redhat.com [10.10.117.64]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5490D19C46; Mon, 17 May 2021 18:48:14 +0000 (UTC) From: John Snow To: qemu-devel@nongnu.org Subject: [PATCH v2 2/6] python/machine: use subprocess.DEVNULL instead of open(os.path.devnull) Date: Mon, 17 May 2021 14:48:04 -0400 Message-Id: <20210517184808.3562549-3-jsnow@redhat.com> In-Reply-To: <20210517184808.3562549-1-jsnow@redhat.com> References: <20210517184808.3562549-1-jsnow@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 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=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=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: Emanuele Giuseppe Esposito , Eduardo Habkost , John Snow , Wainer dos Santos Moschetta , Cleber Rosa , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" One less file resource to manage, and it helps quiet some pylint >= 2.8.0 warnings about not using a with-context manager for the open call. Signed-off-by: John Snow Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Cleber Rosa --- python/qemu/machine.py | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/python/qemu/machine.py b/python/qemu/machine.py index 6e44bda337e..41f51bd27d0 100644 --- a/python/qemu/machine.py +++ b/python/qemu/machine.py @@ -223,9 +223,8 @@ def send_fd_scm(self, fd: Optional[int] = None, assert fd is not None fd_param.append(str(fd)) - devnull = open(os.path.devnull, 'rb') proc = subprocess.Popen( - fd_param, stdin=devnull, stdout=subprocess.PIPE, + fd_param, stdin=subprocess.DEVNULL, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, close_fds=False ) output = proc.communicate()[0] @@ -393,7 +392,6 @@ def _launch(self) -> None: """ Launch the VM and establish a QMP connection """ - devnull = open(os.path.devnull, 'rb') self._pre_launch() self._qemu_full_args = tuple( chain(self._wrapper, @@ -403,7 +401,7 @@ def _launch(self) -> None: ) LOG.debug('VM launch command: %r', ' '.join(self._qemu_full_args)) self._popen = subprocess.Popen(self._qemu_full_args, - stdin=devnull, + stdin=subprocess.DEVNULL, stdout=self._qemu_log_file, stderr=subprocess.STDOUT, shell=False, From patchwork Mon May 17 18:48:05 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Snow X-Patchwork-Id: 12262955 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 608DFC433B4 for ; Mon, 17 May 2021 19:21:54 +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 0E91A6109E for ; Mon, 17 May 2021 19:21:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0E91A6109E 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]:45070 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1liioL-00007i-3K for qemu-devel@archiver.kernel.org; Mon, 17 May 2021 15:21:53 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42772) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1liiHu-00017s-7i for qemu-devel@nongnu.org; Mon, 17 May 2021 14:48:22 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:38854) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1liiHr-0006vM-L4 for qemu-devel@nongnu.org; Mon, 17 May 2021 14:48:21 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1621277299; 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=EIdjOIYQU/8dr4ot+ceebUgIw/IQfCn148/ZsV5GQUc=; b=NGm1pmly2VO5X5wKP8KoopA/LDs+wPuY00WXJQ/qGSQKFHLJpMep8AHKI05NdG+QQtGj73 CW8jK3AflJFGvIrOHzDfUNCvcqPGymvuy3IR8MewnC4wtW2bUlweDEka6alhK0p4OTxpMR Ql2OhODCbhx6jysMNH3iBrJO5XSzg5s= 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-264-T-xyvXDCNdmy8VkmRU7QTQ-1; Mon, 17 May 2021 14:48:17 -0400 X-MC-Unique: T-xyvXDCNdmy8VkmRU7QTQ-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 4BB36A40C5 for ; Mon, 17 May 2021 18:48:16 +0000 (UTC) Received: from scv.redhat.com (ovpn-117-64.rdu2.redhat.com [10.10.117.64]) by smtp.corp.redhat.com (Postfix) with ESMTP id 730771F6; Mon, 17 May 2021 18:48:15 +0000 (UTC) From: John Snow To: qemu-devel@nongnu.org Subject: [PATCH v2 3/6] python/machine: use subprocess.run instead of subprocess.Popen Date: Mon, 17 May 2021 14:48:05 -0400 Message-Id: <20210517184808.3562549-4-jsnow@redhat.com> In-Reply-To: <20210517184808.3562549-1-jsnow@redhat.com> References: <20210517184808.3562549-1-jsnow@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 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=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=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: Emanuele Giuseppe Esposito , John Snow , Eduardo Habkost , Wainer dos Santos Moschetta , Cleber Rosa Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" use run() instead of Popen() -- to assert to pylint that we are not forgetting to close a long-running program. Signed-off-by: John Snow Reviewed-by: Cleber Rosa Tested-by: Cleber Rosa --- python/qemu/machine.py | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/python/qemu/machine.py b/python/qemu/machine.py index 41f51bd27d0..2e55e2c8bd8 100644 --- a/python/qemu/machine.py +++ b/python/qemu/machine.py @@ -223,13 +223,16 @@ def send_fd_scm(self, fd: Optional[int] = None, assert fd is not None fd_param.append(str(fd)) - proc = subprocess.Popen( - fd_param, stdin=subprocess.DEVNULL, stdout=subprocess.PIPE, - stderr=subprocess.STDOUT, close_fds=False + proc = subprocess.run( + fd_param, + stdin=subprocess.DEVNULL, + stdout=subprocess.PIPE, + stderr=subprocess.STDOUT, + check=False, + close_fds=False, ) - output = proc.communicate()[0] - if output: - LOG.debug(output) + if proc.stdout: + LOG.debug(proc.stdout) return proc.returncode From patchwork Mon May 17 18:48:06 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Snow X-Patchwork-Id: 12262967 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 95ED7C433B4 for ; Mon, 17 May 2021 19:31:06 +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 3DF8C6128E for ; Mon, 17 May 2021 19:31:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3DF8C6128E 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]:48932 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1liixF-0005H4-B0 for qemu-devel@archiver.kernel.org; Mon, 17 May 2021 15:31:05 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42812) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1liiHz-0001MY-SU for qemu-devel@nongnu.org; Mon, 17 May 2021 14:48:29 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:24996) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1liiHs-0006wj-Qd for qemu-devel@nongnu.org; Mon, 17 May 2021 14:48:27 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1621277300; 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=uBvBDPav6xvmQm82GofvgIrCGu6g8/LKkdDHgtH1lZ8=; b=VZOolZhC0iDet/Aznp9KxjLbKwdyBrWj2+pnVzPI8oK1d863Mq/o6m+cbcVgXuS8SKvwlU VyaYRAh0Sz+qLSDxeycNChJwFvWWPAytKUMgC/bkZG91UY6zhDMf+u9Zt1tfnhiI5PauMZ j3HQi1/kZIO4CmJmEBw42Os0K6xEQ08= 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-551-_Q_RtSHLMRy31bta7TOH7w-1; Mon, 17 May 2021 14:48:18 -0400 X-MC-Unique: _Q_RtSHLMRy31bta7TOH7w-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 850E980006E for ; Mon, 17 May 2021 18:48:17 +0000 (UTC) Received: from scv.redhat.com (ovpn-117-64.rdu2.redhat.com [10.10.117.64]) by smtp.corp.redhat.com (Postfix) with ESMTP id 78E4B19C46; Mon, 17 May 2021 18:48:16 +0000 (UTC) From: John Snow To: qemu-devel@nongnu.org Subject: [PATCH v2 4/6] python/console_socket: Add a pylint ignore Date: Mon, 17 May 2021 14:48:06 -0400 Message-Id: <20210517184808.3562549-5-jsnow@redhat.com> In-Reply-To: <20210517184808.3562549-1-jsnow@redhat.com> References: <20210517184808.3562549-1-jsnow@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 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=216.205.24.124; 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=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: Emanuele Giuseppe Esposito , John Snow , Eduardo Habkost , Wainer dos Santos Moschetta , Cleber Rosa Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" We manage cleaning up this resource ourselves. Pylint should shush. Signed-off-by: John Snow Reviewed-by: Cleber Rosa --- python/qemu/console_socket.py | 1 + 1 file changed, 1 insertion(+) diff --git a/python/qemu/console_socket.py b/python/qemu/console_socket.py index 87237bebef7..8c4ff598ad7 100644 --- a/python/qemu/console_socket.py +++ b/python/qemu/console_socket.py @@ -39,6 +39,7 @@ def __init__(self, address: str, file: Optional[str] = None, self.connect(address) self._logfile = None if file: + # pylint: disable=consider-using-with self._logfile = open(file, "bw") self._open = True self._drain_thread = None From patchwork Mon May 17 18:48:07 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Snow X-Patchwork-Id: 12262931 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 7E7A3C433B4 for ; Mon, 17 May 2021 19:08:58 +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 182AF6109E for ; Mon, 17 May 2021 19:08:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 182AF6109E 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]:39470 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1liibp-0002DJ-6z for qemu-devel@archiver.kernel.org; Mon, 17 May 2021 15:08:57 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42790) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1liiHw-0001H9-FT for qemu-devel@nongnu.org; Mon, 17 May 2021 14:48:24 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:54147) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1liiHu-0006yl-Mb for qemu-devel@nongnu.org; Mon, 17 May 2021 14:48:24 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1621277302; 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=pmnghhsnUzWbhD2nTSMoSTOwXPhtYm3cPAUtB3aZmyg=; b=TeRUiZ8h7kbwSHxzL/Tg6ahc4FkT9TnAR6y+gv+HLFnpTqDOTlSrbr5K7+o553dFy27U9x f/cxTuJbYaRJq7QNZfNQzXknSceIZ0RNTwty46rUK8in/A3ADxIQrDAnkHu4Funzkln4Qb jcUtYZprpTj5toM6vYiNY9BAoSh8/n4= 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-467-fK3u9zwHMgee4ogN3k2nKw-1; Mon, 17 May 2021 14:48:20 -0400 X-MC-Unique: fK3u9zwHMgee4ogN3k2nKw-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 741FB1854E21 for ; Mon, 17 May 2021 18:48:19 +0000 (UTC) Received: from scv.redhat.com (ovpn-117-64.rdu2.redhat.com [10.10.117.64]) by smtp.corp.redhat.com (Postfix) with ESMTP id C41EB19C46; Mon, 17 May 2021 18:48:17 +0000 (UTC) From: John Snow To: qemu-devel@nongnu.org Subject: [PATCH v2 5/6] python/machine: Disable pylint warning for open() in _pre_launch Date: Mon, 17 May 2021 14:48:07 -0400 Message-Id: <20210517184808.3562549-6-jsnow@redhat.com> In-Reply-To: <20210517184808.3562549-1-jsnow@redhat.com> References: <20210517184808.3562549-1-jsnow@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 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=216.205.24.124; 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=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: Emanuele Giuseppe Esposito , John Snow , Eduardo Habkost , Wainer dos Santos Moschetta , Cleber Rosa Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 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 --- 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 2e55e2c8bd8..f021127f0fc 100644 --- a/python/qemu/machine.py +++ b/python/qemu/machine.py @@ -308,7 +308,6 @@ def _pre_launch(self) -> None: self._temp_dir = tempfile.mkdtemp(prefix="qemu-machine-", dir=self._test_dir) self._qemu_log_path = os.path.join(self._temp_dir, self._name + ".log") - self._qemu_log_file = open(self._qemu_log_path, 'wb') if self._console_set: self._remove_files.append(self._console_address) @@ -323,6 +322,11 @@ def _pre_launch(self) -> None: nickname=self._name ) + # NOTE: Make sure any opened resources are *definitely* freed in + # _post_shutdown()! + # pylint: disable=consider-using-with + self._qemu_log_file = open(self._qemu_log_path, 'wb') + def _post_launch(self) -> None: if self._qmp_connection: self._qmp.accept() From patchwork Mon May 17 18:48:08 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Snow X-Patchwork-Id: 12262957 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 90183C433ED for ; Mon, 17 May 2021 19:24:48 +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 4EF27611BD for ; Mon, 17 May 2021 19:24:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4EF27611BD 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]:53468 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1liir9-0005r5-Ee for qemu-devel@archiver.kernel.org; Mon, 17 May 2021 15:24:47 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42800) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1liiHx-0001K0-Fj for qemu-devel@nongnu.org; Mon, 17 May 2021 14:48:25 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:31973) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1liiHv-0006yx-UD for qemu-devel@nongnu.org; Mon, 17 May 2021 14:48:25 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1621277303; 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=MGuqrqm51MoXkPciCqG5OPj563q/2p+OEhh+NKfsXDI=; b=ZEJviAuG0YKqtwVY51knDGM3rXyCWoKraCR+xpX32AYBhkHcUlPWZyPhDzf7fEcNvULdjM Vz5mF/3ctYwFUgA3e+wQG2q+ObnicSWCXyy3H9VN+QSOjYw8uz1KiUOGtiDaBkWJ/YIhcW by3yaEaJYMfw0OrIT5FZQEonSkivSZQ= 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-137-P7looOccNHyIeobd4AYj6Q-1; Mon, 17 May 2021 14:48:21 -0400 X-MC-Unique: P7looOccNHyIeobd4AYj6Q-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id B72B3107ACCD for ; Mon, 17 May 2021 18:48:20 +0000 (UTC) Received: from scv.redhat.com (ovpn-117-64.rdu2.redhat.com [10.10.117.64]) by smtp.corp.redhat.com (Postfix) with ESMTP id 909C319C46; Mon, 17 May 2021 18:48:19 +0000 (UTC) From: John Snow To: qemu-devel@nongnu.org Subject: [PATCH v2 6/6] python/machine: disable warning for Popen in _launch() Date: Mon, 17 May 2021 14:48:08 -0400 Message-Id: <20210517184808.3562549-7-jsnow@redhat.com> In-Reply-To: <20210517184808.3562549-1-jsnow@redhat.com> References: <20210517184808.3562549-1-jsnow@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 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=216.205.24.124; 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=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: Emanuele Giuseppe Esposito , John Snow , Eduardo Habkost , Wainer dos Santos Moschetta , Cleber Rosa Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" We handle this resource rather meticulously in shutdown/kill/wait/__exit__ et al, through the laborious mechanisms in _do_shutdown(). Quiet this pylint warning here. Signed-off-by: John Snow Reviewed-by: Cleber Rosa --- python/qemu/machine.py | 3 +++ 1 file changed, 3 insertions(+) diff --git a/python/qemu/machine.py b/python/qemu/machine.py index f021127f0fc..06058d89e83 100644 --- a/python/qemu/machine.py +++ b/python/qemu/machine.py @@ -407,6 +407,9 @@ def _launch(self) -> None: self._args) ) LOG.debug('VM launch command: %r', ' '.join(self._qemu_full_args)) + + # Cleaning up of this subprocess is guaranteed by _do_shutdown. + # pylint: disable=consider-using-with self._popen = subprocess.Popen(self._qemu_full_args, stdin=subprocess.DEVNULL, stdout=self._qemu_log_file,