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:param target: Add the ``target`` attribute to links.
:param rel: Add the ``rel`` attribute to links.
:param extra_schemes: Recognize URLs that start with these schemes
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.. versionchanged:: 3.0
The ``extra_schemes`` parameter was added.
.. versionchanged:: 3.0
Generate ``https://`` links for URLs without a scheme.
.. versionchanged:: 3.0
The parsing rules were updated. Recognize email addresses with
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filename of the template. This is the recommended way to configure
autoescaping if you do not want to write a custom function yourself.
If you want to enable it for all templates created from strings or
for all templates with `.html` and `.xml` extensions::
from jinja2 import Environment, select_autoescape
env = Environment(autoescape=select_autoescape(
enabled_extensions=('html', 'xml'),
default_for_string=True,
))
Example configuration to turn it on at all times except if the template
ends with `.txt`::
from jinja2 import Environment, select_autoescape
env = Environment(autoescape=select_autoescape(
disabled_extensions=('txt',),
default_for_string=True,
default=True,
))
The `enabled_extensions` is an iterable of all the extensions that
autoescaping should be enabled for. Likewise `disabled_extensions` is
a list of all templates it should be disabled for. If a template is
loaded from a string then the default from `default_for_string` is used.
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value of `default`.
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.. versionadded:: 2.9
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The returned string is safe to render in HTML documents and
``<script>`` tags. The exception is in HTML attributes that are
double quoted; either use single quotes or the ``|forceescape``
filter.
:param obj: The object to serialize to JSON.
:param dumps: The ``dumps`` function to use. Defaults to
``env.policies["json.dumps_function"]``, which defaults to
:func:`json.dumps`.
:param kwargs: Extra arguments to pass to ``dumps``. Merged onto
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.. versionchanged:: 3.0
The ``dumper`` parameter is renamed to ``dumps``.
.. versionadded:: 2.9
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list, alternating giving them "odd" and "even" classes.
.. code-block:: html+jinja
{% set row_class = cycler("odd", "even") %}
<ul class="browser">
{% for folder in folders %}
<li class="folder {{ row_class.next() }}">{{ folder }}
{% endfor %}
{% for file in files %}
<li class="file {{ row_class.next() }}">{{ file }}
{% endfor %}
</ul>
:param items: Each positional argument will be yielded in the order
given for each cycle.
.. versionadded:: 2.1
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