localhorst/msv-webcam-backend
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inital working version

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Hendrik Schutter 2023-05-23 21:50:25 +02:00
parent 219bb304a9
commit 9e4a217b5f
5 changed files with 117 additions and 0 deletions
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26
README.md
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# msv-webcam-backend # msv-webcam-backend
useradd --system msvwebcambackend -m
passwd -l msvwebcambackend
- `mkdir /opt/msv-webcam-backend/`
- `cd /opt/msv-webcam-backend/`
- import `msv_webcam_backend.py` and `config.py`
- Set the constants in `config.py`
- `chmod +x /opt/msv-webcam-backend/msv_webcam_backend.py`
- `chown -R msvwebcambackend /opt/msv-webcam-backend/`
- `nano /etc/systemd/system/msv-webcam-backend.service`
- `systemctl daemon-reload && systemctl enable --now msv-webcam-backend.service`
mkdir /var/www/html/msv-buehl-moos.de/webcam/
chown -R wwwrun:wwwrun /var/www/html/msv-buehl-moos.de/
location /webcam {
root /var/www/html/msv-buehl-moos.de;
index index.html;
}

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config.py Normal file
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
""" Author: Hendrik Schutter, mail@hendrikschutter.com
"""
image_search_path = "./test_images/"
destination_image_full_path = "./www/data/still.jpg"
update_interval = 10 # 10sec

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msv-webcam-backend.service Normal file
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[Unit]
Description=MSV-Webcam-Backend
After=syslog.target
After=network.target
[Service]
RestartSec=2s
Type=oneshot
User=msvwebcambackend
WorkingDirectory=/opt/msv-webcam-backend/
ExecStart=/usr/bin/python3 /opt/msv-webcam-backend/msv_webcam_backend.py
[Install]
WantedBy=multi-user.target

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msv_webcam_backend.py Normal file
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
""" Author: Hendrik Schutter, mail@hendrikschutter.com
"""
import config
import glob
import os
import time
import shutil
def copy_image(src):
shutil.copy(src, config.destination_image_full_path)
os.chmod(config.destination_image_full_path, 644)
def main():
print("starting ...")
newest_file_path = ""
newest_file_size = 0
while True:
while True:
try:
# print(config.image_search_path)
list_of_files = glob.glob(config.image_search_path+"/**/*.jpg", recursive=True)
# print(list_of_files)
newest_file_path_tmp = max(list_of_files, key=os.path.getctime)
newest_file_size_tmp = os.stat(newest_file_path_tmp).st_size
if (newest_file_path_tmp == newest_file_path) and (newest_file_size_tmp == newest_file_size):
# already found the newest file
print("no newer file found")
break
time.sleep(1) # wait 1sec to see if the upload is still in progress
list_of_files = glob.glob(config.image_search_path+"/**/*.jpg", recursive=True)
newest_file_path = max(list_of_files, key=os.path.getctime)
newest_file_size = os.stat(newest_file_path).st_size
if (newest_file_path_tmp == newest_file_path) and (newest_file_size_tmp == newest_file_size):
print("Found new file:")
print("Name: "+str(newest_file_path))
print("Size: " + str(newest_file_size))
copy_image(newest_file_path)
break
except Exception as e:
print(e)
#break
time.sleep(config.update_interval)
if __name__ == "__main__":
main()

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www/index.html Normal file
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<!DOCTYPE html>
<html>
<meta http-equiv="refresh" content="5" />
<body>
<h1>MSV Webcam</h1>
<p>You are connected!</p>
<img src="data/still.jpg" alt="still webcam image">
</body>
</html>