8th October 2021

Coding⚑

Python⚑

Click⚑

• New: Invoke other commands from a command.

  This is a pattern that is generally discouraged with Click, but possible nonetheless. For this, you can use the Context.invoke() or Context.forward() methods.

Optimization⚑

• New: Add tips on how to optimize your python command line tools.

  • Minimize the relative import statements on command line tools:

    When developing a library, it's common to expose the main objects into the package __init__.py under the variable __all__. The problem with command line programs is that each time you run the command it will load those objects, which can mean an increase of 0.5s or even a second for each command, which is unacceptable. * Don't dynamically install the package:

    If you install the package with pip install -e . you will see an increase on the load time of ~0.2s. It is useful to develop the package, but when you use it, do so from a virtualenv that installs it directly without the -e flag.

Pydantic⚑

• New: Copy produces copy that modifies the original.

  When copying a model, changing the value of an attribute on the copy updates the value of the attribute on the original. This only happens if deep != True. To fix it use: model.copy(deep=True).

Operative Systems⚑

Linux⚑

Kitty⚑

• New: Introduce kitty the terminal emulator.

  kitty is a fast, feature-rich, GPU based terminal emulator written in C and Python with nice features for the keyboard driven humans like me.