mirror of https://github.com/django/django.git
Reformatted docs/templates.txt to put headings in filter and tag references, so each tag/filter gets a permalink
git-svn-id: http://code.djangoproject.com/svn/django/trunk@1110 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Adrian Holovaty
parent
5defabca11
commit
92241e21b8
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@ -289,18 +289,23 @@ available, and what they do.
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Built-in tag reference
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----------------------
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``block``
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Define a block that can be overridden by child templates. See `Template
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inheritance`_ for more information.
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block
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~~~~~
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Define a block that can be overridden by child templates. See
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`Template inheritance`_ for more information.
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comment
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~~~~~~~
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``comment``
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Ignore everything between ``{% comment %}`` and ``{% endcomment %}``
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``cycle``
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cycle
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~~~~~
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Cycle among the given strings each time this tag is encountered.
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Within a loop, cycles among the given strings each time through
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the loop::
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Within a loop, cycles among the given strings each time through the loop::
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{% for o in some_list %}
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<tr class="{% cycle row1,row2 %}">
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@ -318,11 +323,15 @@ Built-in tag reference
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You can use any number of values, separated by commas. Make sure not to put
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spaces between the values -- only commas.
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``debug``
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debug
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~~~~~
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Output a whole load of debugging information, including the current context and
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imported modules.
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``extends``
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extends
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~~~~~~~
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Signal that this template extends a parent template.
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This tag may be used in two ways: ``{% extends "base" %}`` (with quotes) uses
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@ -332,7 +341,9 @@ Built-in tag reference
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See `Template inheritance`_ for more information.
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``filter``
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filter
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~~~~~~
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Filter the contents of the variable through variable filters.
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Filters can also be piped through each other, and they can have arguments --
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@ -344,7 +355,9 @@ Built-in tag reference
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This text will be HTML-escaped, and will appear in all lowercase.
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{% endfilter %}
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``firstof``
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firstof
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~~~~~~~
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Outputs the first variable passed that is not False. Outputs nothing if all the
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passed variables are False.
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@ -362,9 +375,9 @@ Built-in tag reference
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{{ var3 }}
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{% endif %}{% endif %}{% endif %}
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but obviously much cleaner!
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for
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~~~
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``for``
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Loop over each item in an array. For example, to display a list of athletes
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given ``athlete_list``::
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@ -393,7 +406,9 @@ Built-in tag reference
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current one
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========================== ================================================
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``if``
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if
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~~
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The ``{% if %}`` tag evaluates a variable, and if that variable is "true" (i.e.
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exists, is not empty, and is not a false boolean value) the contents of the
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block are output::
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@ -437,7 +452,9 @@ Built-in tag reference
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{% endif %}
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{% endif %}
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``ifchanged``
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ifchanged
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~~~~~~~~~
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Check if a value has changed from the last iteration of a loop.
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The 'ifchanged' block tag is used within a loop. It checks its own rendered
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@ -451,7 +468,9 @@ Built-in tag reference
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<a href="{{ day|date:"M/d"|lower }}/">{{ day|date:"j" }}</a>
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{% endfor %}
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``ifequal``
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ifequal
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~~~~~~~
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Output the contents of the block if the two arguments equal each other.
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Example::
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@ -468,15 +487,21 @@ Built-in tag reference
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...
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{% endifequal %}
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``ifnotequal``
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ifnotequal
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~~~~~~~~~~
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Just like ``ifequal``, except it tests that the two arguments are not equal.
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``load``
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load
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~~~~
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Load a custom template tag set.
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See `Custom tag and filter libraries`_ for more information.
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``now``
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now
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~~~
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Display the date, formatted according to the given string.
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Uses the same format as PHP's ``date()`` function (http://php.net/date)
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@ -556,7 +581,9 @@ Built-in tag reference
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(Displays "It is the 4th of September" %}
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``regroup``
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regroup
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~~~~~~~
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Regroup a list of alike objects by a common attribute.
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This complex tag is best illustrated by use of an example: say that ``people``
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@ -599,7 +626,9 @@ Built-in tag reference
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{% regroup people|dictsort:"gender" by gender as grouped %}
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``ssi``
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ssi
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~~~
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Output the contents of a given file into the page.
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Like a simple "include" tag, ``{% ssi %}`` includes the contents of another
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@ -618,8 +647,10 @@ Built-in tag reference
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.. _ALLOWED_INCLUDE_ROOTS: http://www.djangoproject.com/documentation/settings/#allowed-include-roots
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``templatetag``
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Output one of the bits used to compose template tags.
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templatetag
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~~~~~~~~~~~
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Output one of the syntax characters used to compose template tags.
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Since the template system has no concept of "escaping", to display one of the
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bits used in template tags, you must use the ``{% templatetag %}`` tag.
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@ -635,7 +666,9 @@ Built-in tag reference
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``closevariable`` ``}}``
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================== =======
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``widthratio``
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widthratio
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~~~~~~~~~~
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For creating bar charts and such, this tag calculates the ratio of a given value
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to a maximum value, and then applies that ratio to a constant.
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@ -650,154 +683,241 @@ Built-in tag reference
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Built-in filter reference
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-------------------------
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``add``
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add
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~~~
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Adds the arg to the value.
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``addslashes``
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addslashes
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~~~~~~~~~~
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Adds slashes. Useful for passing strings to JavaScript, for example.
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``capfirst``
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capfirst
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~~~~~~~~
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Capitalizes the first character of the value.
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``center``
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center
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~~~~~~
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Centers the value in a field of a given width.
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``cut``
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cut
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~~~
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Removes all values of arg from the given string.
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``date``
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date
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~~~~
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Formats a date according to the given format (same as the ``now`` tag).
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``default``
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default
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~~~~~~~
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If value is unavailable, use given default.
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``default_if_none``
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default_if_none
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~~~~~~~~~~~~~~~
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If value is ``None``, use given default.
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``dictsort``
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dictsort
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~~~~~~~~
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Takes a list of dicts, returns that list sorted by the property given in the
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argument.
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``dictsortreversed``
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Takes a list of dicts, returns that list sorted in reverse order by the property
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given in the argument.
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dictsortreversed
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~~~~~~~~~~~~~~~~
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Takes a list of dicts, returns that list sorted in reverse order by the
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property given in the argument.
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divisibleby
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~~~~~~~~~~~
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``divisibleby``
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Returns true if the value is divisible by the argument.
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``escape``
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Escapes a string's HTML.
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escape
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~~~~~~
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Escapes a string's HTML. Specifically, it makes these replacements:
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* ``"&"`` to ``"&"``
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* ``<`` to ``"<"``
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* ``>`` to ``">"``
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* ``'"'`` (double quote) to ``"""``
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filesizeformat
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~~~~~~~~~~~~~~
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``filesizeformat``
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Format the value like a 'human-readable' file size (i.e. 13 KB, 4.1 MB, 102
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bytes, etc).
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``first``
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first
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~~~~~
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Returns the first item in a list.
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``fix_ampersands``
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fix_ampersands
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~~~~~~~~~~~~~~
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Replaces ampersands with ``&`` entities.
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``floatformat``
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Displays a floating point number as 34.2 (with one decimal places) - but
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only if there's a point to be displayed.
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floatformat
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Displays a floating point number as 34.2 (with one decimal places) -- but only
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if there's a point to be displayed.
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get_digit
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~~~~~~~~~
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``get_digit``
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Given a whole number, returns the requested digit of it, where 1 is the
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right-most digit, 2 is the second-right-most digit, etc. Returns the
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original value for invalid input (if input or argument is not an integer,
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or if argument is less than 1). Otherwise, output is always an integer.
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right-most digit, 2 is the second-right-most digit, etc. Returns the original
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value for invalid input (if input or argument is not an integer, or if argument
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is less than 1). Otherwise, output is always an integer.
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join
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~~~~
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``join``
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Joins a list with a string, like Python's ``str.join(list)``.
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``length``
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length
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~~~~~~
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Returns the length of the value. Useful for lists.
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``length_is``
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length_is
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~~~~~~~~~
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Returns a boolean of whether the value's length is the argument.
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``linebreaks``
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linebreaks
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~~~~~~~~~~
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Converts newlines into <p> and <br />s.
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``linebreaksbr``
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linebreaksbr
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~~~~~~~~~~~~
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Converts newlines into <br />s.
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``linenumbers``
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linenumbers
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~~~~~~~~~~~
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Displays text with line numbers.
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``ljust``
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ljust
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~~~~~
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Left-aligns the value in a field of a given width.
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**Argument:** field size
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``lower``
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lower
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~~~~~
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Converts a string into all lowercase.
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``make_list``
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make_list
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~~~~~~~~~
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Returns the value turned into a list. For an integer, it's a list of
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digits. For a string, it's a list of characters.
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``phone2numeric``
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Takes a phone number and converts it in to its numerical equivalent.
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phone2numeric
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~~~~~~~~~~~~~
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Converts a phone number to its numerical equivalent.
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pluralize
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~~~~~~~~~
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``pluralize``
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Returns 's' if the value is not 1, for '1 vote' vs. '2 votes'.
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``pprint``
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pprint
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~~~~~~
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A wrapper around pprint.pprint -- for debugging, really.
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``random``
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random
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~~~~~~
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Returns a random item from the list.
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``removetags``
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removetags
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~~~~~~~~~~
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Removes a space separated list of [X]HTML tags from the output.
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``rjust``
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rjust
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~~~~~
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Right-aligns the value in a field of a given width.
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**Argument:** field size
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``slice``
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slice
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~~~~~
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Returns a slice of the list.
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Uses the same syntax as Python's list slicing; see
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Uses the same syntax as Python's list slicing. See
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http://diveintopython.org/native_data_types/lists.html#odbchelper.list.slice
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for an introduction.
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Example: ``{{ some_list|slice:":2" }}``
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``slugify``
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Converts to lowercase, removes non-word characters (alphanumerics and
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underscores) and converts spaces to hyphens. Also strips leading and
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trailing whitespace.
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slugify
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~~~~~~~
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Converts to lowercase, removes non-word characters (alphanumerics and
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underscores) and converts spaces to hyphens. Also strips leading and trailing
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whitespace.
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stringformat
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~~~~~~~~~~~~
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``stringformat``
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Formats the variable according to the argument, a string formatting specifier.
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This specifier uses Python string formating syntax, with the exception that
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the leading "%" is dropped.
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See http://docs.python.org/lib/typesseq-strings.html for documentation
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of Python string formatting
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See http://docs.python.org/lib/typesseq-strings.html for documentation of
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Python string formatting
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striptags
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~~~~~~~~~
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``striptags``
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Strips all [X]HTML tags.
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``time``
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time
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~~~~
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Formats a time according to the given format (same as the ``now`` tag).
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``timesince``
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timesince
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~~~~~~~~~
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Formats a date as the time since that date (i.e. "4 days, 6 hours").
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``title``
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title
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~~~~~
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Converts a string into titlecase.
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``truncatewords``
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truncatewords
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~~~~~~~~~~~~~
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Truncates a string after a certain number of words.
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**Argument:** Number of words to truncate after
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``unordered_list``
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unordered_list
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~~~~~~~~~~~~~~
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Recursively takes a self-nested list and returns an HTML unordered list --
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WITHOUT opening and closing <ul> tags.
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@ -817,30 +937,43 @@ Built-in filter reference
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</ul>
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</li>
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``upper``
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upper
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~~~~~
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Converts a string into all uppercase.
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``urlencode``
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urlencode
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~~~~~~~~~
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Escapes a value for use in a URL.
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``urlize``
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urlize
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~~~~~~
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Converts URLs in plain text into clickable links.
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``urlizetrunc``
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Converts URLs into clickable links, truncating URLs to the given character
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limit.
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urlizetrunc
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~~~~~~~~~~~
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Converts URLs into clickable links, truncating URLs to the given character limit.
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**Argument:** Length to truncate URLs to
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``wordcount``
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wordcount
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~~~~~~~~~
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Returns the number of words.
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``wordwrap``
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wordwrap
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~~~~~~~~
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Wraps words at specified line length.
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**Argument:** number of words at which to wrap the text
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``yesno``
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yesno
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~~~~~
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Given a string mapping values for true, false and (optionally) None,
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returns one of those strings according to the value:
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