Danger Will Robinson! Warning! Warning! Warning! (What Python warnings are, why you should turn them on and how to create your own)
| Speaker | Peter Lovett |
|---|---|
| Time | 2018-01-25 11:50 |
| Conference | PyCon Au 2018 |
PEP230.
Warnings:
- Deprecated features. It might get removed in future.
- Things that could be a problem now.
- Things that are wrong in 3rd party code.
Command line switch -Waction. Default is not the default. Standard setting
has a log of warnings disabled.
Environment variable. export PYTHONWARNINGS=action.
Don’t mix strings and bytes for keys. Use -bb to make this an error.
Python 3.7 depreaction warnings should interactively and in main, but only for current project, not 3rd party libraries.