From patchwork Fri Feb 19 14:49:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Armbruster X-Patchwork-Id: 1442300 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=DYs34X4N; dkim-atps=neutral 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 ozlabs.org (Postfix) with ESMTPS id 4DhwBx1ZFnz9sRR for ; Sat, 20 Feb 2021 02:16:09 +1100 (AEDT) Received: from localhost ([::1]:60628 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lD7Vn-0007Jz-3Q for incoming@patchwork.ozlabs.org; Fri, 19 Feb 2021 10:16:07 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:35264) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lD76R-0004pZ-5O for qemu-devel@nongnu.org; Fri, 19 Feb 2021 09:49:55 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:38080) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1lD76L-0004ho-DO for qemu-devel@nongnu.org; Fri, 19 Feb 2021 09:49:54 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1613746187; 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=5G6Uult3K5VI6ei7HCvvqbEYUw3mZuVFNs0bUUVkXeQ=; b=DYs34X4N9/D0CHXOYx22FKRa7AEBdc0oIbr+n5nJ4T3Tt8fSa+78F6q/1nUvp+eYPi3yB8 ztTNB7K3L3BKpZteX2Wm/JQ8WUQN+6bKXQzeURr+QpdmTc4b+UmgPLfAdZNynkQYwWD5lZ v/PzWtolNCLA/wcMLgtFcTnfKMV6NkQ= 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-337-I46xMaV-OBi09X8zp8_sWg-1; Fri, 19 Feb 2021 09:49:44 -0500 X-MC-Unique: I46xMaV-OBi09X8zp8_sWg-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id D0202100CC8D; Fri, 19 Feb 2021 14:49:43 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-115-79.ams2.redhat.com [10.36.115.79]) by smtp.corp.redhat.com (Postfix) with ESMTPS id A1794189C4; Fri, 19 Feb 2021 14:49:43 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 8401C112F00D; Fri, 19 Feb 2021 15:49:39 +0100 (CET) From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PULL 17/18] qapi/introspect.py: Type _gen_tree variants as Sequence[str] Date: Fri, 19 Feb 2021 15:49:38 +0100 Message-Id: <20210219144939.604488-18-armbru@redhat.com> In-Reply-To: <20210219144939.604488-1-armbru@redhat.com> References: <20210219144939.604488-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 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 Received-SPF: pass client-ip=216.205.24.124; envelope-from=armbru@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: peter.maydell@linaro.org, John Snow Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: John Snow Optional[List] is clunky; an empty sequence can more elegantly convey "no variants". By downgrading "List" to "Sequence", we can also accept tuples; this is useful for the empty tuple specifically, which we may use as a default parameter because it is immutable. Signed-off-by: John Snow Message-Id: <20210216021809.134886-18-jsnow@redhat.com> Reviewed-by: Markus Armbruster [Doc string touched up] Reviewed-by: Markus Armbruster --- scripts/qapi/introspect.py | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/scripts/qapi/introspect.py b/scripts/qapi/introspect.py index e770c9432b..d0b0fd19ed 100644 --- a/scripts/qapi/introspect.py +++ b/scripts/qapi/introspect.py @@ -249,13 +249,13 @@ const QLitObject %(c_name)s = %(c_string)s; return self._name(typ.name) @staticmethod - def _gen_features(features: List[QAPISchemaFeature] + def _gen_features(features: Sequence[QAPISchemaFeature] ) -> List[Annotated[str]]: return [Annotated(f.name, f.ifcond) for f in features] def _gen_tree(self, name: str, mtype: str, obj: Dict[str, object], ifcond: Sequence[str], - features: Optional[List[QAPISchemaFeature]]) -> None: + features: Sequence[QAPISchemaFeature] = ()) -> None: """ Build and append a SchemaInfo object to self._trees. @@ -302,7 +302,7 @@ const QLitObject %(c_name)s = %(c_string)s; def visit_builtin_type(self, name: str, info: Optional[QAPISourceInfo], json_type: str) -> None: - self._gen_tree(name, 'builtin', {'json-type': json_type}, [], None) + self._gen_tree(name, 'builtin', {'json-type': json_type}, []) def visit_enum_type(self, name: str, info: Optional[QAPISourceInfo], ifcond: Sequence[str], @@ -320,7 +320,7 @@ const QLitObject %(c_name)s = %(c_string)s; element_type: QAPISchemaType) -> None: element = self._use_type(element_type) self._gen_tree('[' + element + ']', 'array', {'element-type': element}, - ifcond, None) + ifcond) def visit_object_type_flat(self, name: str, info: Optional[QAPISourceInfo], ifcond: Sequence[str],