From patchwork Tue Sep 22 21:00:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Snow X-Patchwork-Id: 11793249 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D9CC5112C for ; Tue, 22 Sep 2020 21:34:08 +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 A1BE320757 for ; Tue, 22 Sep 2020 21:34:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="WXQSGRcE" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A1BE320757 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:43626 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kKpvL-000290-NC for patchwork-qemu-devel@patchwork.kernel.org; Tue, 22 Sep 2020 17:34:07 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37404) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kKpQE-0002WC-HC for qemu-devel@nongnu.org; Tue, 22 Sep 2020 17:01:59 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:21752) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kKpQB-0004eK-3j for qemu-devel@nongnu.org; Tue, 22 Sep 2020 17:01:58 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1600808514; 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=ZqSJckFwaigPqII7TYtgwKO5VF0wvwDzqsNfM47vfmM=; b=WXQSGRcEEyOhdiHCzhO8JikHB1QrW5nVmTPuXgMzSLkXBTUHSIvpa9S6m0pQzm0hfauF3Q g6yzHC2Bu6NU1cWFEVH5/C8nuW4ATuf7ttqsb34ZKNzI+6e42OHWfc9vvFdE2o1w+wF4a0 4cM9PHm2X4GttWd/9Qz6txR2lMXjq3Q= 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-463-0cQZgwQWPmmCy0RCxfOLag-1; Tue, 22 Sep 2020 17:01:50 -0400 X-MC-Unique: 0cQZgwQWPmmCy0RCxfOLag-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 0ACD6107465F; Tue, 22 Sep 2020 21:01:49 +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 5611E71775; Tue, 22 Sep 2020 21:01:45 +0000 (UTC) From: John Snow To: Markus Armbruster , qemu-devel@nongnu.org Subject: [PATCH v2 30/38] qapi/introspect.py: Add a typed 'extra' structure Date: Tue, 22 Sep 2020 17:00:53 -0400 Message-Id: <20200922210101.4081073-31-jsnow@redhat.com> In-Reply-To: <20200922210101.4081073-1-jsnow@redhat.com> References: <20200922210101.4081073-1-jsnow@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 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-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/22 15:47:47 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -35 X-Spam_score: -3.6 X-Spam_bar: --- X-Spam_report: (-3.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.455, 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: Peter Maydell , Eduardo Habkost , =?utf-8?q?Alex_Benn=C3=A9e?= , Michael Roth , Cleber Rosa , John Snow Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.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 Reviewed-by: Eduardo Habkost --- 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