Tagesschau-data-fetching

• Useful Snippets
• Depends on
• Setup (Linux)

Useful snippets

# gets json length from input file
jq length database.json

# gets number of files in currrent dir
find . -type f | wc -l

# gets size of current dir
du -hs

# gets last modified of file
stat database.json

Depends on

• python3
• urllib3
• json
• os
• datetime
• glob
• BeautifulSoup
• re

for analytics

• numpy
• pandas
• matplotlib
• seaborn
• networkx

Setup (Linux)

mkdir ~/apps
cd ~/apps

git clone https://github.com/emilianscheel/tagesschau-data-fetching

# Create system service
sudo nano /etc/systemd/system/tagesschau-data-fetching.service

1. Replace <user> with your username
2. Paste the configuration into the file ends with .service

[Unit]
Description=Tagesschau data fetching
User=<user>
After=multi-user.target
Wants=tagesschau-data-fetching.timer

[Service]
Type=oneshot
WorkingDirectory=/home/<user>/apps/Tagesschau-data-fetching/
ExecStart=/usr/bin/python3 main.py

[Install]
WantedBy=multi-user.target

# Create system timer
sudo nano /etc/systemd/system/tagesschau-data-fetching.timer

1. Replace <user> with your username
2. Paste the configuration into the file ends with .timer

[Unit]
Description=Fetches Tagesschau.de for data and saves it
Requires=tagesschau-data-fetching.service

[Timer]
Unit=tagesschau-data-fetching.service
OnCalendar=*:0/11

[Install]
WantedBy=timers.target

# starts and enables service, view status
sudo systemctl enable tagesschau-data-fetching.service
sudo systemctl start tagesschau-data-fetching.service
sudo systemctl status tagesschau-data-fetching.service

# starts and enables timer, view status
sudo systemctl enable tagesschau-data-fetching.timer
sudo systemctl start tagesschau-data-fetching.timer
sudo systemctl status tagesschau-data-fetching.timer

That configuration starts our system service every eleven minutes. The system service triggers the main.py script which is the fetching the tagesschau api.