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=-16.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 489D9C433B4 for ; Fri, 30 Apr 2021 13:06:14 +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 BEFF661477 for ; Fri, 30 Apr 2021 13:06:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BEFF661477 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]:33422 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lcSqS-0005z8-Ja for qemu-devel@archiver.kernel.org; Fri, 30 Apr 2021 09:06:12 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:46326) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lcRdZ-0002oI-V9 for qemu-devel@nongnu.org; Fri, 30 Apr 2021 07:48:49 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:38745) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lcRdU-0007an-7P for qemu-devel@nongnu.org; Fri, 30 Apr 2021 07:48:49 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1619783323; 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=yDiIZiEjofbfvGZV/7yGhfq/xQtHIP/s27KtMtTDdbI=; b=KvK8W7MT1ijgdG2SGI7dZ2RM12tUKz3gRJ5mg623dj1Er/ZALSYtzyW8Tgvgq6aBYqfsZI /WKzvoFM1gM8BBKNmniIGqUP+8lHDPSs+dlDL3rlMPrrPz2KMRQjv+kShYLYIV+Aj9IqV3 sVwXPzpzg9Eyyw96mG1SAsyHkOI9deY= 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-422-aBsI9z9-PM6P_f5AbCN2CQ-1; Fri, 30 Apr 2021 07:48:40 -0400 X-MC-Unique: aBsI9z9-PM6P_f5AbCN2CQ-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 29B7F9F92F; Fri, 30 Apr 2021 11:48:40 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-114-17.ams2.redhat.com [10.36.114.17]) by smtp.corp.redhat.com (Postfix) with ESMTPS id EB9D017177; Fri, 30 Apr 2021 11:48:39 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 7B8FF1132B25; Fri, 30 Apr 2021 13:48:38 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PULL 04/25] qapi/expr.py: constrain incoming expression types Date: Fri, 30 Apr 2021 13:48:17 +0200 Message-Id: <20210430114838.2912740-5-armbru@redhat.com> In-Reply-To: <20210430114838.2912740-1-armbru@redhat.com> References: <20210430114838.2912740-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=armbru@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=170.10.133.124; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.22, 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: peter.maydell@linaro.org, John Snow Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: John Snow mypy does not know the types of values stored in Dicts that masquerade as objects. Help the type checker out by constraining the type. Signed-off-by: John Snow Message-Id: <20210421182032.3521476-5-jsnow@redhat.com> Reviewed-by: Markus Armbruster Signed-off-by: Markus Armbruster --- scripts/qapi/expr.py | 28 +++++++++++++++++++++++++--- 1 file changed, 25 insertions(+), 3 deletions(-) diff --git a/scripts/qapi/expr.py b/scripts/qapi/expr.py index b4bbcd54c0..06a0081001 100644 --- a/scripts/qapi/expr.py +++ b/scripts/qapi/expr.py @@ -15,9 +15,20 @@ # See the COPYING file in the top-level directory. import re +from typing import Dict, Optional from .common import c_name from .error import QAPISemError +from .parser import QAPIDoc +from .source import QAPISourceInfo + + +# Deserialized JSON objects as returned by the parser. +# The values of this mapping are not necessary to exhaustively type +# here (and also not practical as long as mypy lacks recursive +# types), because the purpose of this module is to interrogate that +# type. +_JSONObject = Dict[str, object] # Names consist of letters, digits, -, and _, starting with a letter. @@ -315,9 +326,20 @@ def check_event(expr, info): def check_exprs(exprs): for expr_elem in exprs: - expr = expr_elem['expr'] - info = expr_elem['info'] - doc = expr_elem.get('doc') + # Expression + assert isinstance(expr_elem['expr'], dict) + for key in expr_elem['expr'].keys(): + assert isinstance(key, str) + expr: _JSONObject = expr_elem['expr'] + + # QAPISourceInfo + assert isinstance(expr_elem['info'], QAPISourceInfo) + info: QAPISourceInfo = expr_elem['info'] + + # Optional[QAPIDoc] + tmp = expr_elem.get('doc') + assert tmp is None or isinstance(tmp, QAPIDoc) + doc: Optional[QAPIDoc] = tmp if 'include' in expr: continue -- 2.26.3