MB #3 -palvelinskripti

selfie_cam.py

"""
Palvelinskripti.
Laheta pyynto osoitteeseen localhost:5000/photo
(esim. avaamalla selaimen). Kamera ottaa kuvan
ja lahettaa sen Telegram-kanavalle.

Koodista on vaihdettava <api-token> ja <group-id>,
jotta se toimii.

>> python selfie_cam.py

@author Peter Kronstrom
"""

from flask import Flask
import requests
import picamera

app = Flask(__name__)

@app.route('/photo', methods=['GET','POST'])
def handle_photo():
    camera_capture()
    send_to_telegram()
    return '{"success":"true"}'

def camera_capture():
    with picamera.PiCamera() as camera:
        with open('image.jpg', 'wb') as capture_file:
            camera.capture(capture_file)

def send_to_telegram():
    with open('image.jpg', 'rb') as capture_file:
        url = 'https://api.telegram.org/bot<api-token>/sendPhoto'
        f = {"photo": capture_file}
        p = {'chat_id': <group-id>}
        res = requests.post(url, files=f, params=p)

app.run(host="0.0.0.0")

Tested to be working on Python 3 and Python 2.7.

Installation:
sudo pip install Flask requests picamera

Run:
python selfie_cam.py

Replace api-token (String) and group-id (Int) before running