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| 1 # -*- coding: utf-8 -*- |
| 2 """ |
| 3 markupsafe._native |
| 4 ~~~~~~~~~~~~~~~~~~ |
| 5 |
| 6 Native Python implementation the C module is not compiled. |
| 7 |
| 8 :copyright: (c) 2010 by Armin Ronacher. |
| 9 :license: BSD, see LICENSE for more details. |
| 10 """ |
| 11 from jinja2._markupsafe import Markup |
| 12 |
| 13 |
| 14 def escape(s): |
| 15 """Convert the characters &, <, >, ' and " in string s to HTML-safe |
| 16 sequences. Use this if you need to display text that might contain |
| 17 such characters in HTML. Marks return value as markup string. |
| 18 """ |
| 19 if hasattr(s, '__html__'): |
| 20 return s.__html__() |
| 21 return Markup(unicode(s) |
| 22 .replace('&', '&') |
| 23 .replace('>', '>') |
| 24 .replace('<', '<') |
| 25 .replace("'", ''') |
| 26 .replace('"', '"') |
| 27 ) |
| 28 |
| 29 |
| 30 def escape_silent(s): |
| 31 """Like :func:`escape` but converts `None` into an empty |
| 32 markup string. |
| 33 """ |
| 34 if s is None: |
| 35 return Markup() |
| 36 return escape(s) |
| 37 |
| 38 |
| 39 def soft_unicode(s): |
| 40 """Make a string unicode if it isn't already. That way a markup |
| 41 string is not converted back to unicode. |
| 42 """ |
| 43 if not isinstance(s, unicode): |
| 44 s = unicode(s) |
| 45 return s |
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