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cloudevent_to_request.py
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cloudevent_to_request.py
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# All Rights Reserved.
#
# 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 json
import requests
import sys
from cloudevents.sdk import converters
from cloudevents.sdk import marshaller
from cloudevents.sdk.event import v1
def run_binary(event, url):
binary_headers, binary_data = http_marshaller.ToRequest(
event, converters.TypeBinary, json.dumps)
print("binary CloudEvent")
for k, v in binary_headers.items():
print("{0}: {1}\r\n".format(k, v))
print(binary_data)
response = requests.post(
url, headers=binary_headers, data=binary_data)
response.raise_for_status()
def run_structured(event, url):
structured_headers, structured_data = http_marshaller.ToRequest(
event, converters.TypeStructured, json.dumps
)
print("structured CloudEvent")
print(structured_data.getvalue())
response = requests.post(url,
headers=structured_headers,
data=structured_data.getvalue())
response.raise_for_status()
if __name__ == "__main__":
if len(sys.argv) < 3:
sys.exit("Usage: python with_requests.py "
"[binary | structured] "
"<CloudEvents controller URL>")
fmt = sys.argv[1]
url = sys.argv[2]
http_marshaller = marshaller.NewDefaultHTTPMarshaller()
event = (
v1.Event().
SetContentType("application/json").
SetData({"name": "denis"}).
SetEventID("my-id").
SetSource("<event-source").
SetEventType("cloudevent.event.type")
)
if "structured" == fmt:
run_structured(event, url)
elif "binary" == fmt:
run_binary(event, url)
else:
sys.exit("unknown format: {0}".format(fmt))