From patchwork Tue Sep 15 22:40:20 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Snow X-Patchwork-Id: 273635 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=-9.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,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 7E3B9C2D0E3 for ; Tue, 15 Sep 2020 23:02:09 +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 2D1DE206DC for ; Tue, 15 Sep 2020 23:02:09 +0000 (UTC) Authentication-Results: mail.kernel.org; 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Tue, 15 Sep 2020 22:41:18 +0000 (UTC) Received: from scv.redhat.com (ovpn-119-140.rdu2.redhat.com [10.10.119.140]) by smtp.corp.redhat.com (Postfix) with ESMTP id E384660BE5; Tue, 15 Sep 2020 22:41:17 +0000 (UTC) From: John Snow To: qemu-devel@nongnu.org, Markus Armbruster Subject: [PATCH 30/37] qapi/introspect.py: Add a typed 'extra' structure Date: Tue, 15 Sep 2020 18:40:20 -0400 Message-Id: <20200915224027.2529813-31-jsnow@redhat.com> In-Reply-To: <20200915224027.2529813-1-jsnow@redhat.com> References: <20200915224027.2529813-1-jsnow@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jsnow@redhat.com X-Mimecast-Spam-Score: 0.001 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-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/15 02:10:32 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -50 X-Spam_score: -5.1 X-Spam_bar: ----- X-Spam_report: (-5.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-2.999, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=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: John Snow , Peter Maydell , =?utf-8?q?Alex_Benn=C3=A9e?= , Eduardo Habkost , Cleber Rosa Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Typing arbitrarily shaped dicts with mypy is difficult prior to Python 3.8; using explicit structures is nicer. Since we always define an Extra type now, the return type of _make_tree simplifies and always returns the tuple. Signed-off-by: John Snow --- scripts/qapi/introspect.py | 31 +++++++++++++++++++------------ 1 file changed, 19 insertions(+), 12 deletions(-) diff --git a/scripts/qapi/introspect.py b/scripts/qapi/introspect.py index b036fcf9ce..41ca8afc67 100644 --- a/scripts/qapi/introspect.py +++ b/scripts/qapi/introspect.py @@ -10,6 +10,8 @@ See the COPYING file in the top-level directory. """ +from typing import (NamedTuple, Optional, Sequence) + from .common import ( c_name, gen_endif, @@ -21,16 +23,21 @@ QAPISchemaType) -def _make_tree(obj, ifcond, features, extra=None): - if extra is None: - extra = {} - if ifcond: - extra['if'] = ifcond +class Extra(NamedTuple): + """ + Extra contains data that isn't intended for output by introspection. + """ + comment: Optional[str] = None + ifcond: Sequence[str] = tuple() + + +def _make_tree(obj, ifcond, features, + extra: Optional[Extra] = None): + comment = extra.comment if extra else None + extra = Extra(comment, ifcond) if features: - obj['features'] = [(f.name, {'if': f.ifcond}) for f in features] - if extra: - return (obj, extra) - return obj + obj['features'] = [(f.name, Extra(None, f.ifcond)) for f in features] + return (obj, extra) def _tree_to_qlit(obj, level=0, suppress_first_indent=False): @@ -40,8 +47,8 @@ def indent(level): if isinstance(obj, tuple): ifobj, extra = obj - ifcond = extra.get('if') - comment = extra.get('comment') + ifcond = extra.ifcond + comment = extra.comment ret = '' if comment: ret += indent(level) + '/* %s */\n' % comment @@ -168,7 +175,7 @@ def _gen_tree(self, name, mtype, obj, ifcond, features): if not self._unmask: # Output a comment to make it easy to map masked names # back to the source when reading the generated output. - extra = {'comment': '"%s" = %s' % (self._name(name), name)} + extra = Extra(comment=f'"{self._name(name)}" = {name}') name = self._name(name) obj['name'] = name obj['meta-type'] = mtype