定点観察装置をラズパイで作る（装置の構成）

fswebcam --delay=3 --skip=20 --no-banner --set=gain=10 --set=brightness=55% --set=contrast=36 --set "White Balance Temperature, Auto"=False --set "White Balance Temperature"=4000 --rotate 270 --set=sharpness=20 --png 0 -v -r 640x480 [path]

from datetime import datetime
import subprocess
import time
import requests

# line notify token
LINE_NOTIFY_TOKEN = 'token' # line notifyでトークンを取得する必要があります。
def send_message(message, filepath=None):
    headers = {'Authorization' : 'Bearer '+ LINE_NOTIFY_TOKEN}
    payload = {'message':  message}
    if filepath is not None:
        files = {'imageFile': open(filepath, 'rb')}
        res = requests.post('https://notify-api.line.me/api/notify', headers=headers, params=payload, files=files)
    else:
        res = requests.post('https://notify-api.line.me/api/notify', headers=headers, params=payload)
    print(res.json())

# commands
command_light_on = 'sudo hub-ctrl -b 1 -d 2 -P 2 -p 1'
command_light_off = 'sudo hub-ctrl -b 1 -d 2 -P 2 -p 0'
command_capture = 'fswebcam --delay=3 --skip=20 --no-banner --set=gain=10 --set=brightness=55% --set=contrast=36 --set "White Balance Temperature, Auto"=False --set "White Balance Temperature"=4000 --rotate 270 --set=sharpness=20 --png 0 -v -r 640x480 [path]'
command_backup = 'sudo rclone copy [path] camera:/camera'

# USB light ON
try:
    res = subprocess.run(command_light_on, shell=True)
    print('Light on.')
except:
    send_message('error at light on.')
    raise 'Light on error.'

time.sleep(5) # wait for camera activation
# Camera capture
print('Start camera capture.')
date = datetime.now().strftime('%Y%m%d_%H%M%S')
path = '/home/pi/camera/img/{}.png'.format(date)
try:
    command_capture = command_capture.replace('[path]', path)
    res = subprocess.run(command_capture, shell=True)
    print('Image captured.')
except:
    send_message('error at image capture.')
    raise 'Capture error.'

# USB light ON
try:
    res = subprocess.run(command_light_off, shell=True)
    print('Light off.')
except:
    send_message('error at light off.')
    raise 'Light off error.'

# backup to drive
try:
    command_backup = command_backup.replace('[path]', path)
    res = subprocess.run(command_backup, shell=True)
    print('Backuped image to drive.')
except:
    send_message('error at backup.')
    raise 'Backup error.'

# send image
now = datetime.now()
if now.hour==7: # 毎朝7時の撮影でline通知
    send_message(now.strftime('%m/%d') + ' 本日の梅酒の様子', filepath=path)

print('End auto_capture.py.')