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Direktori : /snap/core20/2379/lib/python3/dist-packages/markupsafe/ |
Current File : //snap/core20/2379/lib/python3/dist-packages/markupsafe/_native.py |
# -*- coding: utf-8 -*- """ markupsafe._native ~~~~~~~~~~~~~~~~~~ Native Python implementation used when the C module is not compiled. :copyright: © 2010 by the Pallets team. :license: BSD, see LICENSE for more details. """ from . import Markup from ._compat import text_type def escape(s): """Replace the characters ``&``, ``<``, ``>``, ``'``, and ``"`` in the string with HTML-safe sequences. Use this if you need to display text that might contain such characters in HTML. If the object has an ``__html__`` method, it is called and the return value is assumed to already be safe for HTML. :param s: An object to be converted to a string and escaped. :return: A :class:`Markup` string with the escaped text. """ if hasattr(s, "__html__"): return Markup(s.__html__()) return Markup( text_type(s) .replace("&", "&") .replace(">", ">") .replace("<", "<") .replace("'", "'") .replace('"', """) ) def escape_silent(s): """Like :func:`escape` but treats ``None`` as the empty string. Useful with optional values, as otherwise you get the string ``'None'`` when the value is ``None``. >>> escape(None) Markup('None') >>> escape_silent(None) Markup('') """ if s is None: return Markup() return escape(s) def soft_unicode(s): """Convert an object to a string if it isn't already. This preserves a :class:`Markup` string rather than converting it back to a basic string, so it will still be marked as safe and won't be escaped again. >>> value = escape('<User 1>') >>> value Markup('<User 1>') >>> escape(str(value)) Markup('&lt;User 1&gt;') >>> escape(soft_unicode(value)) Markup('<User 1>') """ if not isinstance(s, text_type): s = text_type(s) return s