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I'm trying to write a simple python script to start several triggers in my Azure Data Factory. However, when I tried using the aio variants of the azure SDK classes, I get the following error:

RuntimeError: Task <Task pending name='Task-4' coro=<stop_trigger() running at /home/atlevesque/Sources/CustomDevopsScripts/trigger_pythonTests.py:37>> got Future attached to a different loop

Here is what my script looks like:

import asyncio from azure.identity.aio import DefaultAzureCredential from azure.mgmt.datafactory.aio import DataFactoryManagementClient rg_name = "MY_RG_NAME" adf_name = "MY_ADF_NAME" subscription_id = "MY_SUBSCRIPTION_ID" credentials = DefaultAzureCredential() adf_client = DataFactoryManagementClient(credentials, subscription_id) async def start_trigger(adf_client: DataFactoryManagementClient, trigger_name: str, resource_group_name=rg_name, factory_name=adf_name): print(f"Starting trigger {trigger_name}") await adf_client.triggers.begin_start(resource_group_name=rg_name, factory_name=adf_name, trigger_name=trigger_name) print(f"Trigger {trigger_name} started") async def main(adf_client: DataFactoryManagementClient, triggers_to_start: list): trigger_start_tasks = [ asyncio.create_task(start_trigger(adf_client, trigger)) for trigger in triggers_to_start ] for trigger_task in (trigger_start_tasks): await trigger_task triggers_to_start = [ "Trigger_A", "Trigger_B", ] asyncio.run( main(adf_client, triggers_to_start) ) 

My script actually works when I await each task before starting the next one (but then there is no point in using aio...)

Thanks in advance for your help!

1 Answer 1

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You can try either of the following ways to resolve this RuntimeError: Task <Task pending name='Task-4' coro=<stop_trigger() running at /home/atlevesque/Sources/CustomDevopsScripts/trigger_pythonTests.py:37>> got Future attached to a different loop error:

  1. Add asyncio.get_event_loop().run_until_complete(main())` or `app.run(main())

  2. Add loop = asyncio.get_event_loop() app.run(debug=1,loop=loop)

References: https://github.com/pyrogram/pyrogram/issues/391 and RuntimeError: Task got Future <Future pending> attached to a different loop

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