Remove reload extension app setting (#1676)

Co-authored-by: hallvictoria <[email protected]>

Author: gavin-aguiar

azure_functions_worker/constants.py

@@ -46,7 +46,6 @@
 PYTHON_ISOLATE_WORKER_DEPENDENCIES_DEFAULT_310 = False
 PYTHON_ENABLE_WORKER_EXTENSIONS_DEFAULT = False
 PYTHON_ENABLE_WORKER_EXTENSIONS_DEFAULT_39 = True
-PYTHON_EXTENSIONS_RELOAD_FUNCTIONS = "PYTHON_EXTENSIONS_RELOAD_FUNCTIONS"
 
 # new programming model default script file name
 PYTHON_SCRIPT_FILE_NAME = "PYTHON_SCRIPT_FILE_NAME"

azure_functions_worker/utils/common.py

@@ -8,9 +8,7 @@
 from typing import Callable, Optional
 
 from azure_functions_worker.constants import (
-    CUSTOMER_PACKAGES_PATH,
-    PYTHON_EXTENSIONS_RELOAD_FUNCTIONS,
-)
+    CUSTOMER_PACKAGES_PATH)
 
 
 def is_true_like(setting: str) -> bool:
@@ -116,25 +114,6 @@ def get_sdk_from_sys_path() -> ModuleType:
     ModuleType
         The azure.functions that is loaded from the first sys.path entry
     """
-
-    if is_envvar_true(PYTHON_EXTENSIONS_RELOAD_FUNCTIONS):
-        backup_azure_functions = None
-        backup_azure = None
-
-        if 'azure.functions' in sys.modules:
-            backup_azure_functions = sys.modules.pop('azure.functions')
-        if 'azure' in sys.modules:
-            backup_azure = sys.modules.pop('azure')
-
-        module = importlib.import_module('azure.functions')
-
-        if backup_azure:
-            sys.modules['azure'] = backup_azure
-        if backup_azure_functions:
-            sys.modules['azure.functions'] = backup_azure_functions
-
-        return module
-
     if CUSTOMER_PACKAGES_PATH not in sys.path:
         sys.path.insert(0, CUSTOMER_PACKAGES_PATH)
 

tests/unittests/test_utilities.py

@@ -7,7 +7,6 @@
 import unittest
 from unittest.mock import patch
 
-from azure_functions_worker.constants import PYTHON_EXTENSIONS_RELOAD_FUNCTIONS
 from azure_functions_worker.utils import common, wrappers
 
 TEST_APP_SETTING_NAME = "TEST_APP_SETTING_NAME"
@@ -365,15 +364,6 @@ def test_get_sdk_dummy_version(self):
         sdk_version = common.get_sdk_version(module)
         self.assertNotEqual(sdk_version, 'dummy')
 
-    def test_get_sdk_dummy_version_with_flag_enabled(self):
-        """Test if sdk version can get dummy sdk version
-        """
-        os.environ[PYTHON_EXTENSIONS_RELOAD_FUNCTIONS] = '1'
-        sys.path.insert(0, self._dummy_sdk_sys_path)
-        module = common.get_sdk_from_sys_path()
-        sdk_version = common.get_sdk_version(module)
-        self.assertEqual(sdk_version, 'dummy')
-
     def test_valid_script_file_name(self):
         file_name = 'test.py'
         common.validate_script_file_name(file_name)