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47 lines
1.2 KiB
Python
47 lines
1.2 KiB
Python
10 years ago
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# -*- coding: utf-8 -*-
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"""
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markupsafe._native
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~~~~~~~~~~~~~~~~~~
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Native Python implementation the C module is not compiled.
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:copyright: (c) 2010 by Armin Ronacher.
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:license: BSD, see LICENSE for more details.
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"""
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from markupsafe import Markup
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from markupsafe._compat import text_type
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def escape(s):
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"""Convert the characters &, <, >, ' and " in string s to HTML-safe
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sequences. Use this if you need to display text that might contain
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such characters in HTML. Marks return value as markup string.
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"""
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if hasattr(s, '__html__'):
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return s.__html__()
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return Markup(text_type(s)
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.replace('&', '&')
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.replace('>', '>')
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.replace('<', '<')
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.replace("'", ''')
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.replace('"', '"')
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)
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def escape_silent(s):
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"""Like :func:`escape` but converts `None` into an empty
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markup string.
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"""
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if s is None:
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return Markup()
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return escape(s)
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def soft_unicode(s):
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"""Make a string unicode if it isn't already. That way a markup
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string is not converted back to unicode.
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"""
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if not isinstance(s, text_type):
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s = text_type(s)
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return s
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