mirror of
https://github.com/janeczku/calibre-web
synced 2026-08-25 04:08:52 +00:00
38 lines
1.3 KiB
Python
38 lines
1.3 KiB
Python
# -*- coding: utf-8 -*-
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# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
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# Copyright (C) 2024 OzzieIsaacs
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#
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# This program 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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# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
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_SPECIAL_WHITESPACE_CHARS = {"\x00", "\u200b", "\u200c", "\u200d", "\ufeff"}
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def strip_whitespaces(text):
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if text is None:
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return ""
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if not isinstance(text, str):
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return text
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start = 0
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end = len(text)
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while start < end and (text[start].isspace() or text[start] in _SPECIAL_WHITESPACE_CHARS):
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start += 1
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while end > start and (text[end - 1].isspace() or text[end - 1] in _SPECIAL_WHITESPACE_CHARS):
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end -= 1
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return text[start:end]
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