daemonpy 2.0.7

Creating Daemon process

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.

Table of Contents

• Installation
  • Install using pip
  • Install using build
  • Install using py setup
  • Install using docker
• Usage
• Dependencies
• Package structure
• Code coverage
• Docs
• Copyright and Licence

Installation

Used next development environment

Currently there are three ways to install package

• Install process based on using pip mechanism
• Install process based on build mechanism
• Install process based on setup.py mechanism
• Install process based on docker mechanism

Install using pip

Python package is located at pypi.org.

You can install by using pip

# python3
pip3 install daemonpy

Install using build

Navigate to release page download and extract release archive.

To install daemonpy type the following

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

Install using py setup

Navigate to release page download and extract release archive.

To install daemonpy, locate and run setup.py with arguments

tar xvzf daemonpy-x.y.z.tar.gz
cd daemonpy-x.y.z
# python3
pip3 install -r requirements.txt
python3 setup.py install_lib
python3 setup.py install_egg_info

Install using docker

You can use Dockerfile to create image/container.

Usage

Create short example

#!/usr/bin/env python

'''
 Module
     mydaemon.py
 Copyright
     Copyright (C) 2020 - 2026 Vladimir Roncevic <[e-mail]>
     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).
     Set an operation for Daemon process.
'''

import sys
from time import sleep

try:
    from daemonpy import Daemon
except ImportError as ats_error:
    MESSAGE = '\n{0}\n{1}\n'.format(__file__, ats_error)
    sys.exit(MESSAGE)  # Force close python ATS ##############################


class MyDaemon(Daemon):
    '''
        Defines class MyDaemon with attribute(s) and method(s).
        Set an operation for Daemon process.
        It defines:

            :attributes:
                | None
            :methods:
                | run - run Daemon process (defined method).
    '''

    def run(self):
        '''
            Run 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

These modules requires other modules and libraries

• daemonpy - Python App/Tool/Script Utilities

Package structure

daemonpy is based on OOP.

Package structure

    daemonpy/
       ├── daemon_usage.py
       ├── file_descriptor.py
       ├── file_process_id.py
       ├── __init__.py
       ├── py.typed
       └── unix_operations.py
    
    1 directory, 6 files

Code coverage

Name	Stmts	Miss	Cover
daemonpy/__init__.py	135	79	41%
daemonpy/daemon_usage.py	45	2	96%
daemonpy/file_descriptor.py	47	4	91%
daemonpy/file_process_id.py	39	0	100%
daemonpy/unix_operations.py	72	35	51%
Total	338	120	64%

Docs

More documentation and info at

• daemonpy.readthedocs.io
• www.python.org

Contributing

Contributing to daemonpy

Copyright and licence

Copyright (C) 2020 - 2026 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 2.x/3.x or, at your option, any later version of Python 3 you may have available.

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