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Emacs Pabbrev (Predictive Abbreviations) is a powerful tool for autocompletion in Emacs. It helps you save time and improve your coding efficiency by suggesting and completing words or phrases based on your context. In this tutorial, we'll explore how to set up and use Pabbrev in conjunction with Python development.
Before we begin, ensure that you have the following installed:
Emacs: Pabbrev is an Emacs package, so you need to have Emacs installed on your system. You can download it from https://www.gnu.org/software/emacs/.
Pabbrev Package: Make sure the Pabbrev package is installed in your Emacs. You can install it using the package manager, such as use-package or straight.el.
Python Mode for Emacs: Pabbrev will work seamlessly with Python code if you have a dedicated Python mode for Emacs. You can use elpy or python-mode for this tutorial.
If you haven't installed Pabbrev yet, add the following code to your Emacs configuration:
This code uses the use-package macro to ensure that Pabbrev is installed, and it activates global-pabbrev-mode globally.
For this tutorial, let's use elpy as our Python mode. Add the following code to your Emacs configuration:
This code installs elpy and activates it.
Pabbrev works out of the box for many programming modes, including Python. However, you might want to customize its behavior. Add the following code to your configuration to tweak Pabbrev for Python:
This code customizes Pabbrev for Python by setting the minimum length for suggestions, suppressing verbose and logging messages, and specifying skip functions to improve navigation.
Now that everything is set up, let's see Pabbrev in action. Open a Python file in Emacs, and start typing. Pabbrev will automatically suggest completions based on the context.
For example, if you have a variable named my_long_variable_name, typing my_ and pausing for a moment will likely show my_long_variable_name in the Pabbrev popup. Press TAB to accept the suggestion.
Congratulations! You've successfully set up and configured Emacs Pabbrev for Python development. Pabbrev can significantly improve your coding speed by providing context-aware autocompletions. Experiment with the configuration settings to fine-tune Pabbrev according to your preferences and coding style. Happy coding!
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