from azure.core.credentials import AzureKeyCredential
from azure.eventgrid import EventGridConsumer, CloudEvent
from azure.servicebus import ServiceBusClient
connection_str = os.environ['SB_CONN_STR']
queue_name = os.environ['SERVICE_BUS_QUEUE_NAME']
sb_client = ServiceBusClient.from_connection_string(connection_str)
consumer = EventGridConsumer()
with sb_client:
receiver = sb_client.get_queue_receiver(queue_name, prefetch=10)
with receiver:
msgs = receiver.receive(max_batch_size=10, max_wait_time=1)
print("number of messages: {}".format(len(msgs)))
for msg in msgs:
# receive single dict message
if 'specversion' in msg:
deserialized_event = consumer.decode_cloud_event(str(msg))
dict_event = deserialized_event.to_json()
print("event.to_json(): {}\n".format(dict_event))
print("model: {}\n".format(deserialized_event.model))
print("model.data: {}\n".format(deserialized_event.model.data))
else:
deserialized_event = consumer.decode_eventgrid_event(str(msg))
dict_event = deserialized_event.to_json()
print("event.to_json(): {}\n".format(dict_event))
print("model: {}\n".format(deserialized_event.model))
print("model.data: {}\n".format(deserialized_event.model.data))
msg.complete()
"subject":"/blobServices/default/containers/oc2d2817345i200097container/blobs/oc2d2817345i20002296blob",
"data":{
"api":"PutBlockList",
"clientRequestId":"6d79dbfb-0e37-4fc4-981f-442c9ca65760",
"requestId":"831e1650-001e-001b-66ab-eeb76e000000",
"eTag":"0x8D4BCC2E4835CD0",
"contentType":"application/octet-stream",
"contentLength":524288,
"blobType":"BlockBlob",
"url":"https://oc2d2817345i60006.blob.core.windows.net/oc2d2817345i200097container/oc2d2817345i20002296blob",
"sequencer":"00000000000004420000000000028963",
"storageDiagnostics":{"batchId":"b68529f3-68cd-4744-baa4-3c0498ec19f0"}
},
"eventType":"Microsoft.Storage.BlobCreated",
"dataVersion":"2.0",
"metadataVersion":"1",
"eventTime":"2020-08-07T02:28:23.867525Z",
"topic":"/subscriptions/faa080af-c1d8-40ad-9cce-e1a450ca5b57/resourceGroups/t-swpill-test/providers/Microsoft.EventGrid/topics/eventgridegsub"
}
eg_storage_string = json.dumps(eg_storage_dict)
eg_storage_bytes = bytes(eg_storage_string, "utf-8")
client = EventGridConsumer()
deserialized_dict_event = client.decode_eventgrid_event(eg_storage_dict)
deserialized_str_event = client.decode_eventgrid_event(eg_storage_string)
deserialized_bytes_event = client.decode_eventgrid_event(eg_storage_bytes)
print(deserialized_bytes_event.model == deserialized_str_event.model)
print(deserialized_bytes_event.model == deserialized_dict_event.model)
print(deserialized_str_event.model.data.__class__ == StorageBlobCreatedEventData)
# --------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for
# license information.
# --------------------------------------------------------------------------
"""
FILE: cs4_consume_custom_events.py
DESCRIPTION:
These samples demonstrate deserializing a custom event
USAGE:
python cs4_consume_custom_events.py
"""
import os
import json
from azure.eventgrid import EventGridConsumer
consumer = EventGridConsumer()
with open('./cs4_event_grid_event_custom_event.json', 'r') as f:
eg_event_received_message = json.loads(f.read())
# returns List[DeserializedEvent]
event = consumer.decode_eventgrid_event(eg_event_received_message)
# returns { "itemSku": "Contoso Item SKU #1" }
data_dict = event.data
print(data_dict)
from azure.storage.queue import QueueServiceClient
from azure.eventgrid import EventGridConsumer, CloudEvent
from base64 import b64decode
connection_str = os.environ["STORAGE_QUEUE_CONN_STR"]
queue_name = os.environ["STORAGE_QUEUE_NAME"]
queue_service = QueueServiceClient.from_connection_string(
conn_str=connection_str)
queue_client = queue_service.get_queue_client(queue_name)
consumer = EventGridConsumer()
msgs = queue_client.receive_messages()
for msg in msgs:
# receive single dict message
if 'specversion' in msg:
deserialized_event = consumer.decode_cloud_event(b64decode(
msg.content))
dict_event = deserialized_event.to_json()
print("event.type: {}\n".format(dict_event["type"]))
print("event.to_json(): {}\n".format(dict_event))
print("model: {}\n".format(deserialized_event.model))
print("model.data: {}\n".format(deserialized_event.model.data))
else:
deserialized_event = consumer.decode_eventgrid_event(
b64decode(msg.content))
dict_event = deserialized_event.to_json()
print("event.to_json(): {}\n".format(dict_event))
print("model: {}\n".format(deserialized_event.model))
print("model.data: {}\n".format(deserialized_event.model.data))
# license information.
# --------------------------------------------------------------------------
"""
FILE: cs3_consume_system_events.py
DESCRIPTION:
These samples demonstrate deserializing a message from system event.
USAGE:
python cs3_consume_system_events.py
"""
import os
from azure.eventgrid import EventGridConsumer
consumer = EventGridConsumer()
# returns List[DeserializedEvent]
deserialized_events = consumer.decode_eventgrid_event(service_bus_received_message)
# EventGridEvent schema, Storage.BlobCreated event
for event in deserialized_events:
# both allow access to raw properties as strings
time_string = event.event_time
time_string = event["event_time"]
# model returns EventGridEvent object
event_grid_event = event.model
# all model properties are strongly typed
datetime_object = event.model.time
storage_blobcreated_object = event.model.data
def test_eg_consumer_eg_custom_bytes(self, **kwargs):
client = EventGridConsumer()
deserialized_event = client.decode_eventgrid_event(eg_custom_bytes)
assert deserialized_event.__class__ == EventGridEvent
assert deserialized_event.data is None
def test_eg_consumer_eg_storage_bytes(self, **kwargs):
client = EventGridConsumer()
deserialized_event = client.decode_eventgrid_event(eg_storage_bytes)
assert deserialized_event.__class__ == EventGridEvent
assert deserialized_event.data.__class__ == StorageBlobCreatedEventData
