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Mon, 26 Oct 2020 21:36:50 +0000 (UTC) Received: from scv.redhat.com (ovpn-118-238.rdu2.redhat.com [10.10.118.238]) by smtp.corp.redhat.com (Postfix) with ESMTP id C956E19D6C; Mon, 26 Oct 2020 21:36:49 +0000 (UTC) From: John Snow To: qemu-devel@nongnu.org, Markus Armbruster Subject: [PATCH v2 13/16] qapi/expr.py: Modify check_keys to accept any Iterable Date: Mon, 26 Oct 2020 17:36:34 -0400 Message-Id: <20201026213637.47087-14-jsnow@redhat.com> In-Reply-To: <20201026213637.47087-1-jsnow@redhat.com> References: <20201026213637.47087-1-jsnow@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 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=63.128.21.124; envelope-from=jsnow@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/25 21:03:19 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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_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 , Eduardo Habkost , Cleber Rosa Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This is a very minor adjustment. a + b is list-specific behavior, but we can accept a wider variety of types in a more pythonic fashion if we avoid that behavior. Typing it this way allows callers to use things like dict.keys() and other iterables that are not their own discrete lists. Including it just as a statement of practice if nothing else: It's nice to use the least-specific type possible as function input and use the most-specific type for returns. Signed-off-by: John Snow Reviewed-by: Eduardo Habkost Reviewed-by: Cleber Rosa --- scripts/qapi/expr.py | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/scripts/qapi/expr.py b/scripts/qapi/expr.py index 8ad82ca98864..883aa1781599 100644 --- a/scripts/qapi/expr.py +++ b/scripts/qapi/expr.py @@ -133,8 +133,8 @@ def check_defn_name_str(name: str, info: QAPISourceInfo, meta: str) -> None: def check_keys(value: _JSObject, info: QAPISourceInfo, source: str, - required: List[str], - optional: List[str]) -> None: + required: Iterable[str] = (), + optional: Iterable[str] = ()) -> None: """ Ensures an object has a specific set of keys. [Const] @@ -155,7 +155,7 @@ def pprint(elems: Iterable[str]) -> str: "%s misses key%s %s" % (source, 's' if len(missing) > 1 else '', pprint(missing))) - allowed = set(required + optional) + allowed = set(required) | set(optional) unknown = set(value) - allowed if unknown: raise QAPISemError(