piket/bin/install-serv...

import os.path
import sys

systemd_user_dir = os.path.expanduser('~/.config/systemd/user')

python_interpreter_dir = os.path.dirname(sys.executable)
uwsgi_path = os.path.join(python_interpreter_dir, 'uwsgi')
piket_client_path = os.path.join(python_interpreter_dir, 'piket-client')

server_template = f"""[Unit]
Description=piket server daemon

[Service]
ExecStart={uwsgi_path} --http :5000 --master --threads 2 --module piket_server:app
KillSignal=SIGINT
Type=notify
NotifyAccess=all

[Install]
WantedBy=default.target
"""

client_template = f"""[Unit]
Description=piket client
Requires=piket-server.service
After=piket-server.service

[Service]
ExecStart={piket_client_path}

[Install]
WantedBy=graphical.target
"""

os.makedirs(systemd_user_dir, exist_ok=True)

with open(os.path.join(systemd_user_dir, 'piket-server.service'), 'w') as f:
    f.write(server_template)

with open(os.path.join(systemd_user_dir, 'piket-client.service'), 'w') as f:
    f.write(client_template)

print("Done! Don't forget to systemctl --user daemon-reload.")