send_gif_message.py

def send_gif_message(recipient_id, message):
    gif_url = search_gif(message)

    data = json.dumps({
        "recipient": {"id": recipient_id},
        "message": {
            "attachment": {
                "type": "image",
                "payload": {
                    "url": gif_url
                }
            }}
    })

    params = {
        "access_token": <PAGE_ACCESS_TOKEN>
    }

    headers = {
        "Content-Type": "application/json"
    }

    r = requests.post("https://graph.facebook.com/v2.6/me/messages",
                      params=params, headers=headers, data=data)