Add support for Windows Python 3.9 (#784)

.ci/linux_devops_build.sh

@@ -2,6 +2,8 @@
 
 set -e -x
 
+python -m pip install --upgrade pip
+
 # Install the latest Azure Functions Python Worker from test.pypi.org
 python -m pip install --index-url https://test.pypi.org/simple/ --extra-index-url https://pypi.org/simple -U -e .[dev]
 

azure-pipelines.yml

@@ -58,6 +58,9 @@ jobs:
       Python38V3:
         pythonVersion: '3.8'
         workerPath: 'python/prodV3/worker.py'
+      Python39V3:
+        pythonVersion: '3.9'
+        workerPath: 'python/prodV3/worker.py'
   steps:
   - template: pack/templates/win_env_gen.yml
     parameters:
@@ -80,6 +83,9 @@ jobs:
       Python38V3:
         pythonVersion: '3.8'
         workerPath: 'python/prodV3/worker.py'
+      Python39V3:
+        pythonVersion: '3.9'
+        workerPath: 'python/prodV3/worker.py'
   steps:
   - template: pack/templates/win_env_gen.yml
     parameters:

pack/Microsoft.Azure.Functions.V3.PythonWorker.nuspec

@@ -22,8 +22,8 @@
     <file src="..\3.8_WINDOWS_X86\**" target="tools\3.8\WINDOWS\X86" />
     <file src="..\3.8_LINUX_X64\**" target="tools\3.8\LINUX\X64" />
     <file src="..\3.8_OSX_X64\**" target="tools\3.8\OSX\X64" />
-    <!-- <file src="..\3.9_WINDOWS_X64\**" target="tools\3.9\WINDOWS\X64" /> -->
-    <!-- <file src="..\3.9_WINDOWS_X86\**" target="tools\3.9\WINDOWS\X86" /> -->
+    <file src="..\3.9_WINDOWS_X64\**" target="tools\3.9\WINDOWS\X64" />
+    <file src="..\3.9_WINDOWS_X86\**" target="tools\3.9\WINDOWS\X86" />
     <file src="..\3.9_LINUX_X64\**" target="tools\3.9\LINUX\X64" />
     <file src="..\3.9_OSX_X64\**" target="tools\3.9\OSX\X64" />
     <file src="..\python\prodV3\worker.config.json" target="tools" />

setup.py

@@ -290,8 +290,8 @@ setup(
               'azure_functions_worker.utils',
               'azure_functions_worker._thirdparty'],
     install_requires=[
-        'grpcio~=1.33.1',
-        'grpcio-tools~=1.33.1',
+        'grpcio~=1.33.2',
+        'grpcio-tools~=1.33.2',
     ],
     extras_require={
         'dev': [