graph LR
BaseCompleter["BaseCompleter"]
ConcreteCompleterImplementations["ConcreteCompleterImplementations"]
ConcreteCompleterImplementations -- "inherit from" --> BaseCompleter
ConcreteCompleterImplementations -- "implement" --> BaseCompleter
Analysis of the 'Custom Completer Interface' subsystem within argcomplete/completers.py, focusing on the BaseCompleter and its ConcreteCompleterImplementations and their interactions.
This is the abstract base class that serves as the core extensible API for argcomplete. It defines the contract (__call__ method) that all custom completers must adhere to, enabling developers to inject their specific, context-aware completion logic for argparse arguments. It embodies the Hook/Extension Pattern, providing the primary point for user-defined completion strategies.
Related Classes/Methods:
These components represent the concrete strategies that implement the BaseCompleter interface. They provide specific, reusable completion behaviors, such as completing from a predefined list (ChoicesCompleter), file system paths (FilesCompleter, DirectoriesCompleter), or suppressing completions entirely (SuppressCompleter). They encapsulate the actual algorithms for generating completion candidates, adhering to the Plugin/Strategy Pattern.
Related Classes/Methods: