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bh=9VpO+kS6waO53CbOYwskuf+rPNGJ8x+JfaSLKpcyLLw=; b=CmJR0xPO3BXnFqX7DmdHyNUm8EZ6FI0Gomyl4zuGdetO9BYXaJApnuoqmCCvoYMv90UGPb i5IPp3MmdGt07FV+Y0F3fRl0+66C1/I3CQYp7lqI1rsMhd6nLrbRjxCrDAtW3fg3WEdnxy bFbvsdm9hR/gx7Kh+g13bPY/yFDBIHY= X-MC-Unique: 7xfXRBuYN3SR_n4BH0MMmQ-1 From: John Snow To: qemu-devel@nongnu.org Cc: Michael Roth , Peter Maydell , Markus Armbruster , John Snow Subject: [PATCH v2 08/19] qapi/schema: add type narrowing to lookup_type() Date: Fri, 12 Jan 2024 17:29:34 -0500 Message-ID: <20240112222945.3033854-9-jsnow@redhat.com> In-Reply-To: <20240112222945.3033854-1-jsnow@redhat.com> References: <20240112222945.3033854-1-jsnow@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.8 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=170.10.129.124; envelope-from=jsnow@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-2.09, 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_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1705098638896100001 Content-Type: text/plain; charset="utf-8" This function is a bit hard to type as-is; mypy needs some assertions to assist with the type narrowing. Signed-off-by: John Snow --- scripts/qapi/schema.py | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/scripts/qapi/schema.py b/scripts/qapi/schema.py index 775766c0135..66a78f28fd4 100644 --- a/scripts/qapi/schema.py +++ b/scripts/qapi/schema.py @@ -997,7 +997,9 @@ def lookup_entity(self, name, typ=3DNone): return ent =20 def lookup_type(self, name): - return self.lookup_entity(name, QAPISchemaType) + typ =3D self.lookup_entity(name, QAPISchemaType) + assert typ is None or isinstance(typ, QAPISchemaType) + return typ =20 def resolve_type(self, name, info, what): typ =3D self.lookup_type(name) --=20 2.43.0