Python code to trigger BI camera

[tai4de2]

I'm posting this in case someone else might find it useful. It can be used to trigger a camera in BI5 from the command line. To use, you

• Change "user" and "password" in the line starting with "s =" (note: do not change the colons, just the user and password parts) to match the credentials of one of your configured BI users.
• Change the url. In my case I'm running this script on the same machine where BI is running, but this can work across your LAN also.
• Supply the shortname of the camera on the command line, e.g. "python bi-trigger.py somecamera".

import hashlib
import json
import sys
import time
from urllib.parse import urlencode
from urllib.request import Request, urlopen

#print(time.monotonic())

url = 'http://127.0.0.1:1768/json'

def Send(request):
    jsonRequest = json.dumps(request).encode('ascii')
    request = Request(url, jsonRequest)
    response = urlopen(request).read().decode()
    jsonResponse = json.loads(response)
    return jsonResponse

request = { "cmd": "login" }
response = Send(request)
#print(time.monotonic())
#print(response)
session = response["session"]

s = "user:" + session + ":password"
hash = hashlib.md5(s.encode("utf-8")).hexdigest()
response = Send({ "cmd": "login", "session": session, "response": hash })
#print(time.monotonic())
#print(response)

request = { "cmd": "trigger", "session": session, "camera": sys.argv[1] }
response = Send(request)
#print(time.monotonic())
#print(response)