64 lines
2.0 KiB
Python
64 lines
2.0 KiB
Python
# Copyright 2018-Present The CloudEvents Authors
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
import sys
|
|
|
|
import requests
|
|
|
|
from cloudevents.conversion import to_binary, to_structured
|
|
from cloudevents.http import CloudEvent
|
|
|
|
|
|
def send_binary_cloud_event(url):
|
|
# This data defines a binary cloudevent
|
|
attributes = {
|
|
"type": "com.example.sampletype1",
|
|
"source": "https://example.com/event-producer",
|
|
}
|
|
data = {"message": "Hello World!"}
|
|
|
|
event = CloudEvent(attributes, data)
|
|
headers, body = to_binary(event)
|
|
|
|
# send and print event
|
|
requests.post(url, headers=headers, data=body)
|
|
print(f"Sent {event['id']} from {event['source']} with {event.data}")
|
|
|
|
|
|
def send_structured_cloud_event(url):
|
|
# This data defines a binary cloudevent
|
|
attributes = {
|
|
"type": "com.example.sampletype2",
|
|
"source": "https://example.com/event-producer",
|
|
}
|
|
data = {"message": "Hello World!"}
|
|
|
|
event = CloudEvent(attributes, data)
|
|
headers, body = to_structured(event)
|
|
|
|
# send and print event
|
|
requests.post(url, headers=headers, data=body)
|
|
print(f"Sent {event['id']} from {event['source']} with {event.data}")
|
|
|
|
|
|
if __name__ == "__main__":
|
|
# expects a url from command line.
|
|
# e.g. python3 client.py http://localhost:3000/
|
|
if len(sys.argv) < 2:
|
|
sys.exit("Usage: python with_requests.py <CloudEvents controller URL>")
|
|
|
|
url = sys.argv[1]
|
|
send_binary_cloud_event(url)
|
|
send_structured_cloud_event(url)
|