It’s a simple hello world example of an installable command line Python application.
You can install it and run in console some commands (py-hello-world, py-hello-world-i, py-hello-world-sub).
Also, it has optional command line argument -t/--trace.
With it the program logs package’s and function’s calls.
It almost makes no sense, but it’s only just an example usage of command line arguments.
Also, it uses termcolor as a dependency to make this example more practical. This external lib just makes the console output colored.
Note: Python installed is required. Don’t forget to check “Add to PATH” while installing.
pip install https://github.com/AlttiRi/py-hello-world/archive/master.tar.gz
Or, if you have also Git installed:
pip install git+https://github.com/AlttiRi/py-hello-world.git
git clone https://github.com/AlttiRi/py-hello-world.git
cd py-hello-world
python setup.py develop
python setup.py develop
Or, the alternative command with the less verbose output:
pip install --editable .
-e, --editable for “editable” installing.
After installing, you can run the follow scripts in a console in any place.
py-hello-world
py-hello-world-wi
py-hello-world-sub
The same, but with -t, --trace command line argument:
py-hello-world -t
py-hello-world-wi --trace
py-hello-world-sub --trace
Also, it has -h, --help and --version:
py-hello-world -h
py-hello-world --help
py-hello-world --version
Working with command line arguments is implemented using the argparse module.
pip uninstall py-hello-world -y
With dependencies:
pip uninstall py-hello-world termcolor -y
Manual installing:
pip install termcolor
Uninstalling:
pip uninstall termcolor -y
Usually just use the same command as for installing.
To install a updated version (with changes in the repo’s code), but which still has not updated version number,
use --ignore-installed.
For example:
pip install --ignore-installed --no-deps https://github.com/AlttiRi/py-hello-world/archive/master.tar.gz
--no-deps in this case is recommended in order to do not re-install the dependecies.