06356fc40f
- PEP8 fix - Remove useless parens - Docstring fixes - RegEX: remove unneeded escape character - accuraterip-checksum: output usage to stderr in case of wrong invocation Signed-off-by: JoeLametta <JoeLametta@users.noreply.github.com>
58 lines
2.0 KiB
Python
58 lines
2.0 KiB
Python
# -*- Mode: Python; test-case-name: whipper.test.test_common_path -*-
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# vi:si:et:sw=4:sts=4:ts=4
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# Copyright (C) 2009 Thomas Vander Stichele
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# This file is part of whipper.
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#
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# whipper is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# whipper is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with whipper. If not, see <http://www.gnu.org/licenses/>.
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import re
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class PathFilter:
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"""Filter path components for safe storage on file systems."""
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def __init__(self, dot=True, posix=True, vfat=False, whitespace=False,
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printable=False):
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"""
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Init PathFilter.
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:param dot: whether to strip leading dot
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:param posix: whether to strip illegal chars in *nix OSes
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:param vfat: whether to strip illegal chars in VFAT filesystems
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:param whitespace: whether to strip all whitespace chars
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:param printable: whether to strip all non printable ASCII chars
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"""
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self._dot = dot
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self._posix = posix
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self._vfat = vfat
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self._whitespace = whitespace
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self._printable = printable
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def filter(self, path):
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R_CH = '_'
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if self._dot:
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if path[:1] == '.': # Slicing tolerant to empty strings
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path = R_CH + path[1:]
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if self._posix:
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path = re.sub(r'[/\x00]', R_CH, path)
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if self._vfat:
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path = re.sub(r'[\x00-\x1F\x7F\"*/:<>?\\|]', R_CH, path)
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if self._whitespace:
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path = re.sub(r'\s', R_CH, path)
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if self._printable:
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path = re.sub(r'[^\x20-\x7E]', R_CH, path)
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return path
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