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52 lines
1.4 KiB
52 lines
1.4 KiB
"""Wrapper for readline support."""
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from logging import Logger
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from os import name
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from pathlib import Path
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__all__ = ['CommandHistory']
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HIST_FILE = Path.home().joinpath('.rconshell_history')
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if name == 'posix':
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from readline import read_history_file, write_history_file
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class CommandHistory:
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"""Context manager for the command line history."""
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def __init__(self, logger: Logger):
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self.logger = logger
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def __enter__(self):
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try:
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read_history_file(HIST_FILE)
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except FileNotFoundError:
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self.logger.warning('Could not find history file: %s',
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HIST_FILE)
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except PermissionError:
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self.logger.error('Insufficient permissions to read: %s',
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HIST_FILE)
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return self
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def __exit__(self, *_):
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try:
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write_history_file(HIST_FILE)
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except PermissionError:
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self.logger.error('Insufficient permissions to write: %s',
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HIST_FILE)
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else:
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class CommandHistory:
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"""Context manager mockup for non-posix systems."""
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def __init__(self, logger: Logger):
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logger.warning('Command line history unavailable on this system.')
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def __enter__(self):
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return self
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def __exit__(self, *_):
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pass
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