Util for executing a custom script before running any python application without modifying the last one
Project description
Pre Script
Util for executing a custom script before running any python application or script without modifying the last one.
You may treat it as application pre-start hook.
Use cases
- patching log configs for a legacy application (sometimes it's pretty hard)
- auto-executing
docker-compose.yml
before running the application - patching the application module (sometimes usefull for debugging)
- any case where you need to inject some temporary logic without modifying the application code base
Installation
$ pip install pre-script
Example
$ echo PRE_SCRIPT_ENABLED=1
$ echo 'print("hello from pre-script")' > .pre-script.py
$ echo 'print("hello from app")' > app.py
$ python app.py
$ hello from pre-script
$ hello from app
If required, the script name can be changed via PRE_SCRIPT_FILE
environment variable.
License
Distributed under the terms of the [MIT license][license], Pre Script is free and open source software.
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