exec-cmds-defer-errors 2.1.1

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Exec-cmds-defer-errors

Small Python script that executes given commands commands and defers errors.

The standalone script is called exec_cmds_defer_errors.py and can be found here. The license is included in the file.

Here it is used to run three commands:

uv run --script exec_cmds_defer_errors.py \
  'whoami | grep goatse' \
  'echo "hello world"' \
  'make love' \
  'sleep 1.5'

Note that in the example the script is executed with uv run, a subcommand of uv, which is a package manager for Python. This is because the script contains inline script metadata specifying required dependencies. The script also contains a shebang, so it can be executed directly.

The output will look like this (but colored):

Executing command 1...
whoami | grep goatse
Executed command 1 failed with exit code 1. Took 0.00 seconds.
Executing command 2...
echo "hello world"
hello world
Executed command 2 successfully. Took 0.00 seconds.
Executing command 3...
make love
make: *** No rule to make target 'love'.  Stop.
Executed command 3 failed with exit code 2. Took 0.00 seconds.
Executing command 4...
sleep 1.5
Executed command 4 successfully. Took 1.50 seconds.
2 out of 4 command(s) failed.
Command 1 failed with exit code 1: whoami | grep goatse
Command 3 failed with exit code 2: make lovew

Shell completion

This program uses Click for the CLI. Click provides automatically generated shell completion for Bash, Fish, and Zsh. Check out the official documentation here.

Project status

The project is maintained by me, Tim, and I am interested in keeping it alive as I am actively using it.

I'm also using the project to test out various tools and workflows.

Versioning

The project follows Semantic Versioning.

Contributing

Contributions are welcome. Please refer to CONTRIBUTE.md.

Licensing

This work is licensed under the ISC license. See LICENSE for the license text.

The license is also included in the script exec_cmds_defer_errors.py itself.

Template

This project is based on the following Copier template: https://github.com/trallnag/copier-template-python-script.