From nobody Mon Feb 9 01:16:12 2026 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1613443194154776.6002710897668; Mon, 15 Feb 2021 18:39:54 -0800 (PST) Received: from localhost ([::1]:53338 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lBqHJ-0006Pq-4Q for importer@patchew.org; Mon, 15 Feb 2021 21:39:53 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:46922) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lBpwa-0001d7-Iv for qemu-devel@nongnu.org; Mon, 15 Feb 2021 21:18:28 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:29585) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1lBpwY-00036l-W2 for qemu-devel@nongnu.org; Mon, 15 Feb 2021 21:18:28 -0500 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-125-43S76pUHPf2x1eAGlrUdgQ-1; Mon, 15 Feb 2021 21:18:24 -0500 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 7C33180196C; Tue, 16 Feb 2021 02:18:23 +0000 (UTC) Received: from scv.redhat.com (ovpn-112-247.rdu2.redhat.com [10.10.112.247]) by smtp.corp.redhat.com (Postfix) with ESMTP id 0712110023AF; Tue, 16 Feb 2021 02:18:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1613441906; 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=U8ItUfgk19UqYErZWTP4mxz5owKMRR5BUpTeXsR1rwk=; b=cxwV6qFNRfMYd94hwwCPn/L1WpTOT20hdz/VZafnSdG6jdJszs8unVj+jVD0k+4wl+LycR 9urbR0Be3nLET6iTWCSjnXVBYDF5ZJh6rSrFdXq1DOgCbrjIvl0nx3/xIjlbtXSBn/A/N4 qms1Atc1ebqYRYqjAHXWpgbIeJP40sU= X-MC-Unique: 43S76pUHPf2x1eAGlrUdgQ-1 From: John Snow To: qemu-devel@nongnu.org, Markus Armbruster Subject: [PATCH v6 09/19] qapi/introspect.py: Introduce preliminary tree typing Date: Mon, 15 Feb 2021 21:17:59 -0500 Message-Id: <20210216021809.134886-10-jsnow@redhat.com> In-Reply-To: <20210216021809.134886-1-jsnow@redhat.com> References: <20210216021809.134886-1-jsnow@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 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=216.205.24.124; envelope-from=jsnow@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, 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_H3=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: Michael Roth , John Snow , Eduardo Habkost , Cleber Rosa 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" The types will be used in forthcoming patches to add typing. These types describe the layout and structure of the objects passed to _tree_to_qlit, but lack the power to describe annotations until the next commit. Signed-off-by: John Snow --- scripts/qapi/introspect.py | 31 ++++++++++++++++++++++++++++++- 1 file changed, 30 insertions(+), 1 deletion(-) diff --git a/scripts/qapi/introspect.py b/scripts/qapi/introspect.py index 45231d2abc3..3c37c138013 100644 --- a/scripts/qapi/introspect.py +++ b/scripts/qapi/introspect.py @@ -10,7 +10,13 @@ See the COPYING file in the top-level directory. """ =20 -from typing import Optional +from typing import ( + Any, + Dict, + List, + Optional, + Union, +) =20 from .common import ( c_name, @@ -26,6 +32,29 @@ ) =20 =20 +# This module constructs a tree data structure that is used to +# generate the introspection information for QEMU. It is shaped +# like a JSON value. +# +# A complexity over JSON is that our values may or may not be annotated. +# +# Un-annotated values may be: +# Scalar: str, bool, None. +# Non-scalar: List, Dict +# _value =3D Union[str, bool, None, Dict[str, JSONValue], List[JSONValue]] +# +# With optional annotations, the type of all values is: +# JSONValue =3D Union[_Value, Annotated[_Value]] +# +# Sadly, mypy does not support recursive types; so the _Stub alias is used= to +# mark the imprecision in the type model where we'd otherwise use JSONValu= e. +_Stub =3D Any +_Scalar =3D Union[str, bool, None] +_NonScalar =3D Union[Dict[str, _Stub], List[_Stub]] +_Value =3D Union[_Scalar, _NonScalar] +# JSONValue =3D TODO, in a forthcoming commit. + + def _make_tree(obj, ifcond, comment=3DNone): extra =3D { 'if': ifcond, --=20 2.29.2