RaspberryPi から画像をサーバーに送るサンプル実装

main.py

import requests
import time
import logging
import arrow
import random

logging.basicConfig(level=logging.DEBUG)

URL = "http://xxx.xxx.xxx.xxx:5000/"

while True:
    now = arrow.utcnow().to('Asia/Tokyo').isoformat()
    measure = {
        "device_id": "shika_home_1",
        "measured_at": now,
        "sensor": {
            "temperature": random.randrange(0, 40),
            "humidity": random.randrange(0, 100),
            "co2": random.randrange(100, 1000),
            "illuminance": random.randrange(0, 1500),
            "point": {
                "x": random.randrange(0, 100),
                "y": random.randrange(0, 100),
                "z": random.randrange(0, 100)
            }
        }
    }
    try:
        requests.post(URL + "measure", json=measure)
    except Exception as e:
        logging.error(e)

    # 画像を送るのはここから
    files = {'image': open('sample.jpg', 'rb')}
    data = {
        'timestamp': now,
        'x': random.randrange(0, 100),
        'y': random.randrange(0, 100)
    }
    try:
        requests.post(URL + "image", files=files, data=data)
    except Exception as e:
        logging.error(e)

    time.sleep(10)