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# --------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for
# license information.
# --------------------------------------------------------------------------
"""
FILE: consume_cloud_events_from_eventhub.py
DESCRIPTION:
These samples demonstrate receiving events from an Event Hub.
USAGE:
python consume_cloud_events_from_eventhub.py
Set the environment variables with your own values before running the sample:
1) EVENT_HUB_CONN_STR: The connection string to the Event hub account
3) EVENTHUB_NAME: The name of the eventhub account
"""
# Note: This sample would not work on pypy since azure-eventhub
# depends on uamqp which is not pypy compatible.
import os
import json
from azure.core.messaging import CloudEvent
from azure.eventhub import EventHubConsumerClient
CONNECTION_STR = os.environ["EVENT_HUB_CONN_STR"]
EVENTHUB_NAME = os.environ["EVENT_HUB_NAME"]
def on_event(partition_context, event):
dict_event = CloudEvent.from_json(event)
print("data: {}\n".format(dict_event.data))
consumer_client = EventHubConsumerClient.from_connection_string(
conn_str=CONNECTION_STR,
consumer_group='$Default',
eventhub_name=EVENTHUB_NAME,
)
with consumer_client:
event_list = consumer_client.receive(
on_event=on_event,
starting_position="-1", # "-1" is from the beginning of the partition.
prefetch=5
)
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