cleanup for new backend
This commit is contained in:
59
README.md
59
README.md
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# msv-webcam-frontend
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- `zypper install avif-tools`
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0) Get [backend running](https://git.mosad.xyz/localhorst/msv-webcam-backend)
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1) copy WebApp to `/var/www/html/msv-buehl-moos.de/webcam/`
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2) Import following nginx config:
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- `mkdir /opt/msv-webcam-frontend/`
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- `cd /opt/msv-webcam-frontend/`
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- import `msv_webcam_frontend.py`
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- `chmod +x /opt/msv-webcam-frontend/msv_webcam_frontend.py`
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- `nano /etc/systemd/system/msv-webcam-frontend.service`
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- create dst dir `mkdir -p /var/www/html/msv-buehl-moos.de/webcam/data/camera/`
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- `systemctl daemon-reload && systemctl enable --now msv-webcam-frontend.service`
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```
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server
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{
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listen 80;
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listen [::]:80;
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server_name msv-buehl-moos.de www.msv-buehl-moos.de;
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return 301 https://$host$request_uri;
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}
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- copy WebApp to `/var/www/html/msv-buehl-moos.de/webcam/`
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server
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{
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server_name msv-buehl-moos.de www.msv-buehl-moos.de;
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listen 443 ssl;
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listen [::]:443 ssl;
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add_header Strict-Transport-Security max-age=31536000;
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ssl_certificate /etc/letsencrypt/live/msv-buehl-moos.de/fullchain.pem;
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ssl_certificate_key /etc/letsencrypt/live/msv-buehl-moos.de/privkey.pem;
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location /
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{
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client_max_body_size 10G;
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proxy_buffering off;
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proxy_pass http://127.0.0.1:27964;
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proxy_set_header Accept-Encoding "";
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proxy_set_header Host $host;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header X-Forwarded-Proto $scheme;
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}
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# Serve /webcam/data/camera/ from the FTPS current folder
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location /webcam/data/camera/
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{
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alias /home/dockeruser/ftps_server/files/current/;
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autoindex on;
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}
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# Generic /webcam location for the rest of the content
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location /webcam
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{
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root /var/www/html/msv-buehl-moos.de;
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index index.html;
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}
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}
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```
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3) Test config with `nginx -t`
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4) Restart nginx with `systemctl restart nginx.service`
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@ -1,16 +0,0 @@
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[Unit]
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Description=MSV-Webcam-Frontend
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After=syslog.target
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After=network.target
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[Service]
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Type=simple
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User=wwwrun
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Group=wwwrun
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Restart=on-failure
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RestartSec=5s
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WorkingDirectory=/opt/msv-webcam-frontend/
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ExecStart=/usr/bin/python3 /opt/msv-webcam-frontend/msv_webcam_frontend.py source_dir=/tmp/msv_webcam_current destination_dir=/var/www/html/msv-buehl-moos.de/webcam/data/camera/ timeout=540 min_size=100000
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[Install]
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WantedBy=multi-user.target
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@ -1,127 +0,0 @@
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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""" Author: Hendrik Schutter, mail@hendrikschutter.com
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"""
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import os
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import errno
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import time
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from datetime import datetime
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import shutil
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import sys
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import subprocess
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import threading
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signal_pipe_path = "/tmp/msv-webcam-signal-pipe"
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signal_pipe_msg = "msv-webcam-new-images"
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def copy_image(src, destination_dir_path):
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#print("src: " + str(src))
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#print("dst: " + str(destination_dir_path))
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shutil.copyfile(src, destination_dir_path)
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def convert_to_avif(input, output):
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#print("input: " + str(input))
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#print("output: " + str(output))
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temp = subprocess.Popen(['avifenc', '--jobs', 'all', input, output], stdout = subprocess.PIPE)
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# get the output as a string
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#output = str(temp.communicate())
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#print(output)
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temp = subprocess.Popen(['sync',], stdout = subprocess.PIPE)
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def process_new_images(source_dir, destination_dir_path, min_size):
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images = os.listdir(source_dir)
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for image in images:
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if ((os.path.splitext(os.path.basename(os.path.normpath(image)))[1] != ".avif")):
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if(os.stat(os.path.join(source_dir, image)).st_size >= min_size):
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converted_file_name = (os.path.splitext(os.path.basename(os.path.normpath(image)))[0] + ".avif")
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converted_file_path = os.path.join("/tmp/", converted_file_name)
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convert_to_avif(os.path.join(source_dir, image), converted_file_path)
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copy_image(converted_file_path, os.path.join(destination_dir_path, converted_file_name))
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else:
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print("Image " + str(image) + " too small.")
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def remove_old_image(path):
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print("Removing following outdated image: " + str(path))
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os.remove(path)
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def watchdog(timeout, source_dir, destination_dir_path):
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known_images = list()
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while True:
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images = os.listdir(destination_dir_path)
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for image in images:
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if ((os.path.splitext(os.path.basename(os.path.normpath(image)))[1] == ".avif")):
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current_image = (image, os.stat(os.path.join(destination_dir_path, image)).st_size)
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if current_image in known_images:
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print("This image is old: " + str(image))
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remove_old_image(os.path.join(destination_dir_path, image))
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known_images.clear()
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images = os.listdir(destination_dir_path)
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for image in images:
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if ((os.path.splitext(os.path.basename(os.path.normpath(image)))[1] == ".avif")):
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current_image = (image, os.stat(os.path.join(destination_dir_path, image)).st_size)
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known_images.append(current_image)
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time.sleep(timeout)
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def main():
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print("starting ...")
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source_dir = -1
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destination_dir_path = -1
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timeout = -1
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min_size = -1
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for argument in sys.argv:
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if argument.startswith('destination_dir'):
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destination_dir_path = argument.split("=")[1]
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if argument.startswith('source_dir'):
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source_dir = argument.split("=")[1]
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if argument.startswith('timeout'):
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timeout = int(argument.split("=")[1])
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if argument.startswith('min_size'):
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min_size = int(argument.split("=")[1])
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if ((source_dir == -1) or (destination_dir_path == -1)):
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print("Unable to parse config!")
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print("Example usage:")
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print(" python msv_webcam_frontend.py source_dir=/tmp/msv_webcam_current destination_dir=www/camera/ timeout=540 min_size=100000")
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sys.exit(-1)
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watchdog_thread = threading.Thread(target=watchdog, args=((timeout, source_dir, destination_dir_path)))
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watchdog_thread.start()
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#process_new_images(source_dir, destination_dir_path)
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#sys.exit(-1)
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while True:
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try:
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if not os.path.exists(signal_pipe_path):
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os.mkfifo(signal_pipe_path)
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pipe_fd = os.open(signal_pipe_path, os.O_RDONLY | os.O_NONBLOCK)
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with os.fdopen(pipe_fd) as pipe:
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while True:
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#print("reading pipe")
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message = pipe.read()
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if message:
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#print("Received: " + str(message))
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if(message == signal_pipe_msg):
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print("received signal about new images")
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process_new_images(source_dir, destination_dir_path, min_size)
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time.sleep(1)
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except Exception as e:
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print(e)
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watchdog_thread.join()
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if __name__ == "__main__":
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main()
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@ -46,7 +46,7 @@
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<div class="w3-panel w3-card w3-dark-gray">
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<div class="w3-center-align w3-text-black infobox">
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<a style="text-decoration: none" href="mailto:pressewart@msv-buehl-moos.de?subject=MSV%20Webcam"><h6>pressewart@msv-buehl-moos.de</h6></a>
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<p>Last update: 2023/07/18<p>
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<p>Last update: 2025/08/15<p>
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<a style="text-decoration: none" href="https://git.mosad.xyz/localhorst/msv-webcam-frontend" target="_blank" rel="noopener noreferrer"><h6>View code in GIT</h6></a>
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</div>
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</div>
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