text: # 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 sys
  
  import requests
  
  from cloudevents.http import CloudEvent, to_binary, to_structured
  
  resp = requests.get(
      "https://raw.githubusercontent.com/cncf/artwork/master/projects/cloudevents/horizontal/color/cloudevents-horizontal-color.png"  # noqa
  )
  image_bytes = resp.content
  
  
  def send_binary_cloud_event(url: str):
      # Create cloudevent
      attributes = {
          "type": "com.example.string",
          "source": "https://example.com/event-producer",
      }
  
      event = CloudEvent(attributes, image_bytes)
  
      # Create cloudevent HTTP headers and content
      headers, body = to_binary(event)
  
      # Send cloudevent
      requests.post(url, headers=headers, data=body)
      print(f"Sent {event['id']} of type {event['type']}")
  
  
  def send_structured_cloud_event(url: str):
      # Create cloudevent
      attributes = {
          "type": "com.example.base64",
          "source": "https://example.com/event-producer",
      }
  
      event = CloudEvent(attributes, image_bytes)
  
      # Create cloudevent HTTP headers and content
      # Note that to_structured will create a data_base64 data field in
      # specversion 1.0 (default specversion) if given
      # an event whose data field is of type bytes.
      headers, body = to_structured(event)
  
      # Send cloudevent
      requests.post(url, headers=headers, data=body)
      print(f"Sent {event['id']} of type {event['type']}")
  
  
  if __name__ == "__main__":
      # Run client.py via: '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)
  