Python 3.6 baggage code removal (#1419)

* removing refs to 3.6

* flake

* feedback

* removed aio_compat

* setup cfg

* venv311

Author: hallvictoria

.devcontainer/devcontainer.json

@@ -6,7 +6,7 @@
 		"dockerfile": "Dockerfile",
 		"context": "..",
 		"args": { 
-			// Update 'VARIANT' to pick a Python version: 3, 3.10, 3.9, 3.8, 3.7, 3.6
+			// Update 'VARIANT' to pick a Python version: 3, 3.10, 3.9, 3.8, 3.7
 			// Append -bullseye or -buster to pin to an OS version.
 			// Use -bullseye variants on local on arm64/Apple Silicon.
 			"VARIANT": "3.9",

azure_functions_worker/_thirdparty/aio_compat.py

@@ -45,14 +45,6 @@
 
 _TRUE = "true"
 
-"""In Python 3.6, the current_task method was in the Task class, but got moved
-out in 3.7+ and fully removed in 3.9. Thus, to support 3.6 and 3.9 together, we
-need to switch the implementation of current_task for 3.6.
-"""
-_CURRENT_TASK = asyncio.Task.current_task \
-    if (sys.version_info[0] == 3 and sys.version_info[1] == 6) \
-    else asyncio.current_task
-
 
 class DispatcherMeta(type):
     __current_dispatcher__ = None
@@ -446,7 +438,7 @@ async def _handle__invocation_request(self, request):
 
         # Set the current `invocation_id` to the current task so
         # that our logging handler can find it.
-        current_task = _CURRENT_TASK(self._loop)
+        current_task = asyncio.current_task(self._loop)
         assert isinstance(current_task, ContextEnabledTask)
         current_task.set_azure_invocation_id(invocation_id)
 
@@ -860,7 +852,7 @@ class ContextEnabledTask(asyncio.Task):
     def __init__(self, coro, loop):
         super().__init__(coro, loop=loop)
 
-        current_task = _CURRENT_TASK(loop)
+        current_task = asyncio.current_task(loop)
         if current_task is not None:
             invocation_id = getattr(
                 current_task, self.AZURE_INVOCATION_ID, None)
@@ -874,7 +866,7 @@ def set_azure_invocation_id(self, invocation_id: str) -> None:
 def get_current_invocation_id() -> Optional[str]:
     loop = asyncio._get_running_loop()
     if loop is not None:
-        current_task = _CURRENT_TASK(loop)
+        current_task = asyncio.current_task(loop)
         if current_task is not None:
             task_invocation_id = getattr(current_task,
                                          ContextEnabledTask.AZURE_INVOCATION_ID,

azure_functions_worker/dispatcher.py

@@ -45,8 +45,8 @@ def main():
     DependencyManager.initialize()
     DependencyManager.use_worker_dependencies()
 
+    import asyncio
     from . import logging
-    from ._thirdparty import aio_compat
     from .logging import error_logger, logger, format_exception
 
     args = parse_args()
@@ -57,7 +57,7 @@ def main():
                 args.worker_id, args.request_id, args.host, args.port)
 
     try:
-        return aio_compat.run(start_async(
+        return asyncio.run(start_async(
             args.host, args.port, args.worker_id, args.request_id))
     except Exception as ex:
         error_logger.exception(

azure_functions_worker/main.py

@@ -35,20 +35,20 @@ class DependencyManager:
     Linux Consumption sys.path: [
         "/tmp/functions\\standby\\wwwroot", # Placeholder folder
         "/home/site/wwwroot/.python_packages/lib/site-packages", # CX's deps
-        "/azure-functions-host/workers/python/3.6/LINUX/X64", # Worker's deps
+        "/azure-functions-host/workers/python/3.11/LINUX/X64", # Worker's deps
         "/home/site/wwwroot" # CX's Working Directory
     ]
 
     Linux Dedicated/Premium sys.path: [
         "/home/site/wwwroot", # CX's Working Directory
         "/home/site/wwwroot/.python_packages/lib/site-packages", # CX's deps
-        "/azure-functions-host/workers/python/3.6/LINUX/X64", # Worker's deps
+        "/azure-functions-host/workers/python/3.11/LINUX/X64", # Worker's deps
     ]
 
     Core Tools sys.path: [
         "%appdata%\\azure-functions-core-tools\\bin\\workers\\"
-            "python\\3.6\\WINDOWS\\X64", # Worker's deps
-        "C:\\Users\\user\\Project\\.venv38\\lib\\site-packages", # CX's deps
+            "python\\3.11\\WINDOWS\\X64", # Worker's deps
+        "C:\\Users\\user\\Project\\.venv311\\lib\\site-packages", # CX's deps
         "C:\\Users\\user\\Project", # CX's Working Directory
     ]
 

azure_functions_worker/utils/dependency.py

@@ -9,7 +9,7 @@ Azure Functions for Python
 Requirements
 ============
 
-Azure Functions for Python support Python 3.6 or later.
+Azure Functions for Python support Python 3.7 or later.
 
 
 Programming Model