SG-41239 Make type annotations compatible with py37

azure-pipelines-templates/type_checking.yml

@@ -0,0 +1,48 @@
+# Copyright (c) 2025, Shotgun Software Inc.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+#  - Redistributions of source code must retain the above copyright notice, this
+#    list of conditions and the following disclaimer.
+#
+#  - Redistributions in binary form must reproduce the above copyright notice,
+#    this list of conditions and the following disclaimer in the documentation
+#    and/or other materials provided with the distribution.
+#
+#  - Neither the name of the Shotgun Software Inc nor the names of its
+#    contributors may be used to endorse or promote products derived from this
+#    software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+jobs:
+- job: type_checking
+  displayName: Type Checking (beta)
+  pool:
+    vmImage: 'ubuntu-latest'
+
+  steps:
+  - task: UsePythonVersion@0
+    inputs:
+      versionSpec: 3.9
+      addToPath: True
+      architecture: 'x64'
+
+  - script: |
+      pip install --upgrade pip setuptools wheel
+      pip install --upgrade mypy
+    displayName: Install dependencies
+
+  # Placeholder to future static type checking. For now we just run mypy and skip all known errors.
+  - bash: mypy shotgun_api3/shotgun.py --follow-imports skip --pretty --no-strict-optional --disable-error-code arg-type --disable-error-code assignment --disable-error-code return --disable-error-code return-value --disable-error-code attr-defined
+    displayName: Run type checking

azure-pipelines.yml

@@ -52,6 +52,7 @@ pr:
 # Jobs run in parallel.
 jobs:
 - template: azure-pipelines-templates/code_style_validation.yml
+- template: azure-pipelines-templates/type_checking.yml
 
 # These are jobs templates, they allow to reduce the redundancy between
 # variations of the same build. We pass in the image name