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2026-07-02 07:15:05
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usr
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lib
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python3
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dist-packages
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certbot
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display
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Editing: completer.py
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"""Provides Tab completion when prompting users for a path.""" import glob # readline module is not available on all systems try: import readline except ImportError: import certbot.display.dummy_readline as readline # type: ignore class Completer(object): """Provides Tab completion when prompting users for a path. This class is meant to be used with readline to provide Tab completion for users entering paths. The complete method can be passed to readline.set_completer directly, however, this function works best as a context manager. For example: with Completer(): raw_input() In this example, Tab completion will be available during the call to raw_input above, however, readline will be restored to its previous state when exiting the body of the with statement. """ def __init__(self): self._iter = self._original_completer = self._original_delims = None def complete(self, text, state): """Provides path completion for use with readline. :param str text: text to offer completions for :param int state: which completion to return :returns: possible completion for text or ``None`` if all completions have been returned :rtype: str """ if state == 0: self._iter = glob.iglob(text + '*') return next(self._iter, None) def __enter__(self): self._original_completer = readline.get_completer() self._original_delims = readline.get_completer_delims() readline.set_completer(self.complete) readline.set_completer_delims(' \t\n;') # readline can be implemented using GNU readline, pyreadline or libedit # which have different configuration syntax if readline.__doc__ is not None and 'libedit' in readline.__doc__: readline.parse_and_bind('bind ^I rl_complete') else: readline.parse_and_bind('tab: complete') def __exit__(self, unused_type, unused_value, unused_traceback): readline.set_completer_delims(self._original_delims) readline.set_completer(self._original_completer)
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