Creating Daemon process¶
daemonpy is package for creating Daemon processes.
Developed in python code: 100%.
The README is used to introduce the modules and provide instructions on how to install the modules, any machine dependencies it may have and any other information that should be provided before the modules are installed.
Installation¶
Navigate to release page download and extract release archive.
To install daemonpy run
tar xvzf daemonpy-x.y.z.tar.gz
cd daemonpy-x.y.z
# python3
pip3 install -r requirements.txt
python3 -m build
pip3 install dist/daemonpy-x.y.z-py3-none-any.whl
Or type the following
tar xvzf daemonpy-x.y.z.tar.gz
cd daemonpy-x.y.z/
# pyton3
pip3 install -r requirements.txt
python3 setup.py install_lib
python3 setup.py install_egg_info
You can use Docker to create image/container, or You can use pip to install
# python3
pip3 install daemonpy
Usage¶
Create short example
#!/usr/bin/env python
'''
Module
mydaemon.py
Copyright
Copyright (C) 2020 - 2024 Vladimir Roncevic <elektron.ronca@gmail.com>
mydaemon is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
mydaemon is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program. If not, see <http://www.gnu.org/licenses/>.
Info
Defines class MyDaemon with attribute(s) and method(s).
Sets an operation for Daemon process.
'''
import sys
from time import sleep
try:
from daemonpy import Daemon
except ImportError as ats_error_message:
# Force close python ATS ##################################################
sys.exit(f'\n{__file__}\n{ats_error_message}\n')
class MyDaemon(Daemon):
'''
Defines class MyDaemon with attribute(s) and method(s).
Sets an operation for Daemon process.
It defines:
:attributes:
| None
:methods:
| run - Runs Daemon process (defined method).
'''
def run(self):
'''
Runs Daemon process with time sleep example.
:exceptions: None
'''
while True:
sleep(1)
if __name__ == '__main__':
DAEMON = MyDaemon('/tmp/daemon-example.pid')
DAEMON.usage(sys.argv[1])
Dependencies¶
daemonpy requires next modules and libraries
Package structure¶
daemonpy is based on OOP.
Package structure
daemonpy/
├── daemon_usage.py
├── file_descriptor.py
├── file_process_id.py
├── __init__.py
└── unix_operations.py
Copyright and licence¶
Copyright (C) 2020 - 2024 by vroncevic.github.io/daemonpy
daemonpy is free software; you can redistribute it and/or modify it under the same terms as Python itself, either Python version 3.x or, at your option, any later version of Python 3 you may have available.
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