RPi 1B with V1 cam. Python script takes a picture when pushbutton hooked to gpio is pressed. Then picture is emailed via Mutt. All working fine when doing step by step. But not doing as intended when lauched automatically at startup.
import subprocess
from datetime import datetime
from gpiozero import Button
button = Button(17)
while True:
button.wait_for_press()
time = datetime.now()
filename = "capture-%04d%02d%02d-%02d%02d%02d.jpg" % (time.year, time.month, time.day, time.hour, time.minute, time.second)
subprocess.call("raspistill -t 500 -o %s" % filename, shell=True)
subprocess.call("echo "" | mutt -s 'Someone at the door' -i messageBody.txt [email protected] -a %s" % filename, shell=True)
All working fine when typing :
$ python raspicam.py
I get a nice email within seconds with picture attached to it.
Next logical step is to get this script to be launched at startup:
$ nano launcher.sh
#!/bin/sh
# launcher.sh
cd /
cd home/pi
python doorbell02.py
cd /
$ chmod 755 launcher.sh
$ sh launcher.sh
Then get it to be launched at startup via cron :
$ mkdir logs
$ sudo crontab -e
add: @reboot sh /home/pi/launcher.sh >/home/pi/logs/cronlog 2>&1
At next reboot all working fine except sending mail via with mutt.
$ ps aux shows that my python script and script launcher belongs to "root"... is it where trouble comes from ?
root 475 0.0 0.0 0 0 ? S 16:51 0:00 [cifsd]
root 500 0.0 0.6 7932 2300 ? Ss 16:51 0:00 /usr/sbin/cron -f
root 502 0.0 0.6 9452 2384 ? S 16:51 0:00 /usr/sbin/CRON -f
root 506 0.0 0.3 1924 1148 ? Ss 16:51 0:00 /bin/sh -c sh /home/pi/launcher.sh >/home/pi/logs/cronlog 2>&1
root 511 0.0 0.2 1924 1108 ? S 16:51 0:00 sh /home/pi/launcher.sh
root 513 1.5 2.5 34348 9728 ? Sl 16:51 4:25 python doorbell02.py
I am also unable to get pdb to work alongside with my script to get some log or debug info... Some hints would be very appreciated Thank you very much for your time
Try using absolute paths in your code. It helped me in my case.