gistfile1.txt

#!/usr/bin/env python

# --------------------------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for license information.
# --------------------------------------------------------------------------------------------

"""
An example to show receiving events from an Event Hub.

Create a .env file  with the content :

EVENTHUB_FQDN="XXXXXXXX.servicebus.windows.net"
EVENTHUB_NAME="your_event_hub_name"
CONSUMER_GROUP='$Default'    # make sure you change this if it'll affect d$aother consumers
AZURE_TENANT_ID="xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"

AZURE_CLIENT_ID="xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
AZURE_CLIENT_SECRET="the_secret"

"""

import os
from azure.eventhub import EventHubConsumerClient
from azure.identity import EnvironmentCredential
from dotenv import load_dotenv

load_dotenv(".env")

def on_event(partition_context, event):
    # Put your code here.
    # If the operation is i/o intensive, multi-thread will have better performance.
    print("Received event from partition: {}.".format(partition_context.partition_id))
    print(event)


def on_partition_initialize(partition_context):
    # Put your code here.
    print("Partition: {} has been initialized.".format(partition_context.partition_id))


def on_partition_close(partition_context, reason):
    # Put your code here.
    print("Partition: {} has been closed, reason for closing: {}.".format(
        partition_context.partition_id,
        reason
    ))


def on_error(partition_context, error):
    # Put your code here. partition_context can be None in the on_error callback.
    if partition_context:
        print("An exception: {} occurred during receiving from Partition: {}.".format(
            partition_context.partition_id,
            error
        ))
    else:
        print("An exception: {} occurred during the load balance process.".format(error))


if __name__ == '__main__':

    credential = EnvironmentCredential()

    consumer_client = EventHubConsumerClient(
        fully_qualified_namespace=os.environ["EVENTHUB_FQDN"],
        consumer_group=os.environ["CONSUMER_GROUP"],
        eventhub_name=os.environ["EVENTHUB_NAME"],
        credential=credential,
    )

    try:
        with consumer_client:
            consumer_client.receive(
                on_event=on_event,
                on_partition_initialize=on_partition_initialize,
                on_partition_close=on_partition_close,
                on_error=on_error,
                starting_position="@latest",
            )
    except KeyboardInterrupt:
        print('Stopped receiving.')