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markupsafe
~~~~~~~~~~
Implements an escape function and a Markup string to replace HTML
special characters with safe representations.
:copyright: © 2010 by the Pallets team.
:license: BSD, see LICENSE for more details.
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a� A string that is ready to be safely inserted into an HTML or XML
document, either because it was escaped or because it was marked
safe.
Passing an object to the constructor converts it to text and wraps
it to mark it safe without escaping. To escape the text, use the
:meth:`escape` class method instead.
>>> Markup('Hello, <em>World</em>!')
Markup('Hello, <em>World</em>!')
>>> Markup(42)
Markup('42')
>>> Markup.escape('Hello, <em>World</em>!')
Markup('Hello <em>World</em>!')
This implements the ``__html__()`` interface that some frameworks
use. Passing an object that implements ``__html__()`` will wrap the
output of that method, marking it safe.
>>> class Foo:
... def __html__(self):
... return '<a href="/foo">foo</a>'
...
>>> Markup(Foo())
Markup('<a href="/foo">foo</a>')
This is a subclass of the text type (``str`` in Python 3,
``unicode`` in Python 2). It has the same methods as that type, but
all methods escape their arguments and return a ``Markup`` instance.
>>> Markup('<em>%s</em>') % 'foo & bar'
Markup('<em>foo & bar</em>')
>>> Markup('<em>Hello</em> ') + '<foo>'
Markup('<em>Hello</em> <foo>')
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