"""Default variable filters."""
import re
try:
from decimal import Decimal,InvalidOperation,ROUND_HALF_UP
except ImportError:
from django.utils._decimal import Decimal,InvalidOperation,ROUND_HALF_UP
import random as random_module
try:
from functools import wraps
except ImportError:
from django.utils.functional import wraps# Python 2.3, 2.4 fallback.
from django.template import Variable,Library
from django.conf import settings
from django.utils import formats
from django.utils.translation import ugettext,ungettext
from django.utils.encoding import force_unicode,iri_to_uri
from django.utils.safestring import mark_safe,SafeData
register = Library()
#######################
# STRING DECORATOR #
#######################
def stringfilter(func):
"""
Decorator for filters which should only receive unicode objects. The object
passed as the first positional argument will be converted to a unicode
object.
"""
def _dec(*args, **kwargs):
if args:
args = list(args)
args[0] = force_unicode(args[0])
if isinstance(args[0], SafeData) and getattr(func, 'is_safe', False):
return mark_safe(func(*args, **kwargs))
return func(*args, **kwargs)
# Include a reference to the real function (used to check original
# arguments by the template parser).
_dec._decorated_function = getattr(func, '_decorated_function', func)
for attr in ('is_safe', 'needs_autoescape'):
if hasattr(func, attr):
setattr(_dec, attr, getattr(func, attr))
return wraps(func)(_dec)
###################
# STRINGS #
###################
def addslashes(value):
"""
Adds slashes before quotes. Useful for escaping strings in CSV, for
example. Less useful for escaping JavaScript; use the ``escapejs``
filter instead.
"""
return value.replace('\\', '\\\\').replace('"', '\\"').replace("'", "\\'")
addslashes.is_safe = True
addslashes = stringfilter(addslashes)
def capfirst(value):
"""Capitalizes the first character of the value."""
return value and value[0].upper() + value[1:]
capfirst.is_safe=True
capfirst = stringfilter(capfirst)
_base_js_escapes = (
('\\', r'\u005C'),
('\'', r'\u0027'),
('"', r'\u0022'),
('>', r'\u003E'),
('<', r'\u003C'),
('&', r'\u0026'),
('=', r'\u003D'),
('-', r'\u002D'),
(';', r'\u003B'),
(u'\u2028', r'\u2028'),
(u'\u2029', r'\u2029')
)
# Escape every ASCII character with a value less than 32.
_js_escapes = (_base_js_escapes +
tuple([('%c' % z, '\\u%04X' % z) for z in range(32)]))
def escapejs(value):
"""Hex encodes characters for use in JavaScript strings."""
for bad, good in _js_escapes:
value = value.replace(bad, good)
return value
escapejs = stringfilter(escapejs)
def fix_ampersands(value):
"""Replaces ampersands with ``&`` entities."""
from django.utils.html import fix_ampersands
return fix_ampersands(value)
fix_ampersands.is_safe=True
fix_ampersands = stringfilter(fix_ampersands)
# Values for testing floatformat input against infinity and NaN representations,
# which differ across platforms and Python versions. Some (i.e. old Windows
# ones) are not recognized by Decimal but we want to return them unchanged vs.
# returning an empty string as we do for completley invalid input. Note these
# need to be built up from values that are not inf/nan, since inf/nan values do
# not reload properly from .pyc files on Windows prior to some level of Python 2.5
# (see Python Issue757815 and Issue1080440).
pos_inf = 1e200 * 1e200
neg_inf = -1e200 * 1e200
nan = (1e200 * 1e200) / (1e200 * 1e200)
special_floats = [str(pos_inf), str(neg_inf), str(nan)]
def floatformat(text, arg=-1):
"""
Displays a float to a specified number of decimal places.
If called without an argument, it displays the floating point number with
one decimal place -- but only if there's a decimal place to be displayed:
* num1 = 34.23234
* num2 = 34.00000
* num3 = 34.26000
* {{ num1|floatformat }} displays "34.2"
* {{ num2|floatformat }} displays "34"
* {{ num3|floatformat }} displays "34.3"
If arg is positive, it will always display exactly arg number of decimal
places:
* {{ num1|floatformat:3 }} displays "34.232"
* {{ num2|floatformat:3 }} displays "34.000"
* {{ num3|floatformat:3 }} displays "34.260"
If arg is negative, it will display arg number of decimal places -- but
only if there are places to be displayed:
* {{ num1|floatformat:"-3" }} displays "34.232"
* {{ num2|floatformat:"-3" }} displays "34"
* {{ num3|floatformat:"-3" }} displays "34.260"
If the input float is infinity or NaN, the (platform-dependent) string
representation of that value will be displayed.
"""
try:
input_val = force_unicode(text)
d = Decimal(input_val)
except UnicodeEncodeError:
return u''
except InvalidOperation:
if input_val in special_floats:
return input_val
try:
d = Decimal(force_unicode(float(text)))
except (ValueError, InvalidOperation, TypeError, UnicodeEncodeError):
return u''
try:
p = int(arg)
except ValueError:
return input_val
try:
m = int(d) - d
except (ValueError, OverflowError, InvalidOperation):
return input_val
if not m and p < 0:
return mark_safe(formats.number_format(u'%d' % (int(d)), 0))
if p == 0:
exp = Decimal(1)
else:
exp = Decimal('1.0') / (Decimal(10) ** abs(p))
try:
return mark_safe(formats.number_format(u'%s' % str(d.quantize(exp, ROUND_HALF_UP)), abs(p)))
except InvalidOperation:
return input_val
floatformat.is_safe = True
def iriencode(value):
"""Escapes an IRI value for use in a URL."""
return force_unicode(iri_to_uri(value))
iriencode.is_safe = True
iriencode = stringfilter(iriencode)
def linenumbers(value, autoescape=None):
"""Displays text with line numbers."""
from django.utils.html import escape
lines = value.split(u'\n')
# Find the maximum width of the line count, for use with zero padding
# string format command
width = unicode(len(unicode(len(lines))))
if not autoescape or isinstance(value, SafeData):
for i, line in enumerate(lines):
lines[i] = (u"%0" + width + u"d. %s") % (i + 1, line)
else:
for i, line in enumerate(lines):
lines[i] = (u"%0" + width + u"d. %s") % (i + 1, escape(line))
return mark_safe(u'\n'.join(lines))
linenumbers.is_safe = True
linenumbers.needs_autoescape = True
linenumbers = stringfilter(linenumbers)
def lower(value):
"""Converts a string into all lowercase."""
return value.lower()
lower.is_safe = True
lower = stringfilter(lower)
def make_list(value):
"""
Returns the value turned into a list.
For an integer, it's a list of digits.
For a string, it's a list of characters.
"""
return list(value)
make_list.is_safe = False
make_list = stringfilter(make_list)
def slugify(value):
"""
Normalizes string, converts to lowercase, removes non-alpha characters,
and converts spaces to hyphens.
"""
import unicodedata
value = unicodedata.normalize('NFKD', value).encode('ascii', 'ignore')
value = unicode(re.sub('[^\w\s-]', '', value).strip().lower())
return mark_safe(re.sub('[-\s]+', '-', value))
slugify.is_safe = True
slugify = stringfilter(slugify)
def stringformat(value, arg):
"""
Formats the variable according to the arg, a string formatting specifier.
This specifier uses Python string formating syntax, with the exception that
the leading "%" is dropped.
See http://docs.python.org/lib/typesseq-strings.html for documentation
of Python string formatting
"""
try:
return (u"%" + unicode(arg)) % value
except (ValueError, TypeError):
return u""
stringformat.is_safe = True
def title(value):
"""Converts a string into titlecase."""
t = re.sub("([a-z])'([A-Z])", lambda m: m.group(0).lower(), value.title())
return re.sub("\d([A-Z])", lambda m: m.group(0).lower(), t)
title.is_safe = True
title = stringfilter(title)
def truncatewords(value, arg):
"""
Truncates a string after a certain number of words.
Argument: Number of words to truncate after.
"""
from django.utils.text import truncate_words
try:
length = int(arg)
except ValueError: # Invalid literal for int().
return value # Fail silently.
return truncate_words(value, length)
truncatewords.is_safe = True
truncatewords = stringfilter(truncatewords)
def truncatewords_html(value, arg):
"""
Truncates HTML after a certain number of words.
Argument: Number of words to truncate after.
"""
from django.utils.text import truncate_html_words
try:
length = int(arg)
except ValueError: # invalid literal for int()
return value # Fail silently.
return truncate_html_words(value, length)
truncatewords_html.is_safe = True
truncatewords_html = stringfilter(truncatewords_html)
def upper(value):
"""Converts a string into all uppercase."""
return value.upper()
upper.is_safe = False
upper = stringfilter(upper)
def urlencode(value):
"""Escapes a value for use in a URL."""
from django.utils.http import urlquote
return urlquote(value)
urlencode.is_safe = False
urlencode = stringfilter(urlencode)
def urlize(value, autoescape=None):
"""Converts URLs in plain text into clickable links."""
from django.utils.html import urlize
return mark_safe(urlize(value, nofollow=True, autoescape=autoescape))
urlize.is_safe=True
urlize.needs_autoescape = True
urlize = stringfilter(urlize)
def urlizetrunc(value, limit, autoescape=None):
"""
Converts URLs into clickable links, truncating URLs to the given character
limit, and adding 'rel=nofollow' attribute to discourage spamming.
Argument: Length to truncate URLs to.
"""
from django.utils.html import urlize
return mark_safe(urlize(value, trim_url_limit=int(limit), nofollow=True,
autoescape=autoescape))
urlizetrunc.is_safe = True
urlizetrunc.needs_autoescape = True
urlizetrunc = stringfilter(urlizetrunc)
def wordcount(value):
"""Returns the number of words."""
return len(value.split())
wordcount.is_safe = False
wordcount = stringfilter(wordcount)
def wordwrap(value, arg):
"""
Wraps words at specified line length.
Argument: number of characters to wrap the text at.
"""
from django.utils.text import wrap
return wrap(value, int(arg))
wordwrap.is_safe = True
wordwrap = stringfilter(wordwrap)
def ljust(value, arg):
"""
Left-aligns the value in a field of a given width.
Argument: field size.
"""
return value.ljust(int(arg))
ljust.is_safe = True
ljust = stringfilter(ljust)
def rjust(value, arg):
"""
Right-aligns the value in a field of a given width.
Argument: field size.
"""
return value.rjust(int(arg))
rjust.is_safe = True
rjust = stringfilter(rjust)
def center(value, arg):
"""Centers the value in a field of a given width."""
return value.center(int(arg))
center.is_safe = True
center = stringfilter(center)
def cut(value, arg):
"""
Removes all values of arg from the given string.
"""
safe = isinstance(value, SafeData)
value = value.replace(arg, u'')
if safe and arg != ';':
return mark_safe(value)
return value
cut = stringfilter(cut)
###################
# HTML STRINGS #
###################
def escape(value):
"""
Marks the value as a string that should not be auto-escaped.
"""
from django.utils.safestring import mark_for_escaping
return mark_for_escaping(value)
escape.is_safe = True
escape = stringfilter(escape)
def force_escape(value):
"""
Escapes a string's HTML. This returns a new string containing the escaped
characters (as opposed to "escape", which marks the content for later
possible escaping).
"""
from django.utils.html import escape
return mark_safe(escape(value))
force_escape = stringfilter(force_escape)
force_escape.is_safe = True
def linebreaks(value, autoescape=None):
"""
Replaces line breaks in plain text with appropriate HTML; a single
newline becomes an HTML line break (``<br />``) and a new line
followed by a blank line becomes a paragraph break (``</p>``).
"""
from django.utils.html import linebreaks
autoescape = autoescape and not isinstance(value, SafeData)
return mark_safe(linebreaks(value, autoescape))
linebreaks.is_safe = True
linebreaks.needs_autoescape = True
linebreaks = stringfilter(linebreaks)
def linebreaksbr(value, autoescape=None):
"""
Converts all newlines in a piece of plain text to HTML line breaks
(``<br />``).
"""
if autoescape and not isinstance(value, SafeData):
from django.utils.html import escape
value = escape(value)
return mark_safe(value.replace('\n', '<br />'))
linebreaksbr.is_safe = True
linebreaksbr.needs_autoescape = True
linebreaksbr = stringfilter(linebreaksbr)
def safe(value):
"""
Marks the value as a string that should not be auto-escaped.
"""
return mark_safe(value)
safe.is_safe = True
safe = stringfilter(safe)
def safeseq(value):
"""
A "safe" filter for sequences. Marks each element in the sequence,
individually, as safe, after converting them to unicode. Returns a list
with the results.
"""
return [mark_safe(force_unicode(obj)) for obj in value]
safeseq.is_safe = True
def removetags(value, tags):
"""Removes a space separated list of [X]HTML tags from the output."""
tags = [re.escape(tag) for tag in tags.split()]
tags_re = u'(%s)' % u'|'.join(tags)
starttag_re = re.compile(ur'<%s(/?>|(\s+[^>]*>))' % tags_re, re.U)
endtag_re = re.compile(u'</%s>' % tags_re)
value = starttag_re.sub(u'', value)
value = endtag_re.sub(u'', value)
return value
removetags.is_safe = True
removetags = stringfilter(removetags)
def striptags(value):
"""Strips all [X]HTML tags."""
from django.utils.html import strip_tags
return strip_tags(value)
striptags.is_safe = True
striptags = stringfilter(striptags)
###################
# LISTS #
###################
def dictsort(value, arg):
"""
Takes a list of dicts, returns that list sorted by the property given in
the argument.
"""
var_resolve = Variable(arg).resolve
decorated = [(var_resolve(item), item) for item in value]
decorated.sort()
return [item[1] for item in decorated]
dictsort.is_safe = False
def dictsortreversed(value, arg):
"""
Takes a list of dicts, returns that list sorted in reverse order by the
property given in the argument.
"""
var_resolve = Variable(arg).resolve
decorated = [(var_resolve(item), item) for item in value]
decorated.sort()
decorated.reverse()
return [item[1] for item in decorated]
dictsortreversed.is_safe = False
def first(value):
"""Returns the first item in a list."""
try:
return value[0]
except IndexError:
return u''
first.is_safe = False
def join(value, arg, autoescape=None):
"""
Joins a list with a string, like Python's ``str.join(list)``.
"""
value = map(force_unicode, value)
if autoescape:
from django.utils.html import conditional_escape
value = [conditional_escape(v) for v in value]
try:
data = arg.join(value)
except AttributeError: # fail silently but nicely
return value
return mark_safe(data)
join.is_safe = True
join.needs_autoescape = True
def last(value):
"Returns the last item in a list"
try:
return value[-1]
except IndexError:
return u''
last.is_safe = True
def length(value):
"""Returns the length of the value - useful for lists."""
try:
return len(value)
except (ValueError, TypeError):
return ''
length.is_safe = True
def length_is(value, arg):
"""Returns a boolean of whether the value's length is the argument."""
try:
return len(value) == int(arg)
except (ValueError, TypeError):
return ''
length_is.is_safe = False
def random(value):
"""Returns a random item from the list."""
return random_module.choice(value)
random.is_safe = True
def slice_(value, arg):
"""
Returns a slice of the list.
Uses the same syntax as Python's list slicing; see
http://diveintopython.org/native_data_types/lists.html#odbchelper.list.slice
for an introduction.
"""
try:
bits = []
for x in arg.split(u':'):
if len(x) == 0:
bits.append(None)
else:
bits.append(int(x))
return value[slice(*bits)]
except (ValueError, TypeError):
return value # Fail silently.
slice_.is_safe = True
def unordered_list(value, autoescape=None):
"""
Recursively takes a self-nested list and returns an HTML unordered list --
WITHOUT opening and closing <ul> tags.
The list is assumed to be in the proper format. For example, if ``var``
contains: ``['States', ['Kansas', ['Lawrence', 'Topeka'], 'Illinois']]``,
then ``{{ var|unordered_list }}`` would return::
<li>States
<ul>
<li>Kansas
<ul>
<li>Lawrence</li>
<li>Topeka</li>
</ul>
</li>
<li>Illinois</li>
</ul>
</li>
"""
if autoescape:
from django.utils.html import conditional_escape
escaper = conditional_escape
else:
escaper = lambda x: x
def convert_old_style_list(list_):
"""
Converts old style lists to the new easier to understand format.
The old list format looked like:
['Item 1', [['Item 1.1', []], ['Item 1.2', []]]
And it is converted to:
['Item 1', ['Item 1.1', 'Item 1.2]]
"""
if not isinstance(list_, (tuple, list)) or len(list_) != 2:
return list_, False
first_item, second_item = list_
if second_item == []:
return [first_item], True
old_style_list = True
new_second_item = []
for sublist in second_item:
item, old_style_list = convert_old_style_list(sublist)
if not old_style_list:
break
new_second_item.extend(item)
if old_style_list:
second_item = new_second_item
return [first_item, second_item], old_style_list
def _helper(list_, tabs=1):
indent = u'\t' * tabs
output = []
list_length = len(list_)
i = 0
while i < list_length:
title = list_[i]
sublist = ''
sublist_item = None
if isinstance(title, (list, tuple)):
sublist_item = title
title = ''
elif i < list_length - 1:
next_item = list_[i+1]
if next_item and isinstance(next_item, (list, tuple)):
# The next item is a sub-list.
sublist_item = next_item
# We've processed the next item now too.
i += 1
if sublist_item:
sublist = _helper(sublist_item, tabs+1)
sublist = '\n%s<ul>\n%s\n%s</ul>\n%s' % (indent, sublist,
indent, indent)
output.append('%s<li>%s%s</li>' % (indent,
escaper(force_unicode(title)), sublist))
i += 1
return '\n'.join(output)
value, converted = convert_old_style_list(value)
return mark_safe(_helper(value))
unordered_list.is_safe = True
unordered_list.needs_autoescape = True
###################
# INTEGERS #
###################
def add(value, arg):
"""Adds the arg to the value."""
try:
return int(value) + int(arg)
except (ValueError, TypeError):
try:
return value + arg
except:
return value
add.is_safe = False
def get_digit(value, arg):
"""
Given a whole number, returns the requested digit of it, where 1 is the
right-most digit, 2 is the second-right-most digit, etc. Returns the
original value for invalid input (if input or argument is not an integer,
or if argument is less than 1). Otherwise, output is always an integer.
"""
try:
arg = int(arg)
value = int(value)
except ValueError:
return value # Fail silently for an invalid argument
if arg < 1:
return value
try:
return int(str(value)[-arg])
except IndexError:
return 0
get_digit.is_safe = False
###################
# DATES #
###################
def date(value, arg=None):
"""Formats a date according to the given format."""
from django.utils.dateformat import format
if not value:
return u''
if arg is None:
arg = settings.DATE_FORMAT
try:
return formats.date_format(value, arg)
except AttributeError:
try:
return format(value, arg)
except AttributeError:
return ''
date.is_safe = False
def time(value, arg=None):
"""Formats a time according to the given format."""
from django.utils import dateformat
if value in (None, u''):
return u''
if arg is None:
arg = settings.TIME_FORMAT
try:
return formats.time_format(value, arg)
except AttributeError:
try:
return dateformat.time_format(value, arg)
except AttributeError:
return ''
time.is_safe = False
def timesince(value, arg=None):
"""Formats a date as the time since that date (i.e. "4 days, 6 hours")."""
from django.utils.timesince import timesince
if not value:
return u''
try:
if arg:
return timesince(value, arg)
return timesince(value)
except (ValueError, TypeError):
return u''
timesince.is_safe = False
def timeuntil(value, arg=None):
"""Formats a date as the time until that date (i.e. "4 days, 6 hours")."""
from django.utils.timesince import timeuntil
from datetime import datetime
if not value:
return u''
try:
return timeuntil(value, arg)
except (ValueError, TypeError):
return u''
timeuntil.is_safe = False
###################
# LOGIC #
###################
def default(value, arg):
"""If value is unavailable, use given default."""
return value or arg
default.is_safe = False
def default_if_none(value, arg):
"""If value is None, use given default."""
if value is None:
return arg
return value
default_if_none.is_safe = False
def divisibleby(value, arg):
"""Returns True if the value is devisible by the argument."""
return int(value) % int(arg) == 0
divisibleby.is_safe = False
def yesno(value, arg=None):
"""
Given a string mapping values for true, false and (optionally) None,
returns one of those strings accoding to the value:
========== ====================== ==================================
Value Argument Outputs
========== ====================== ==================================
``True`` ``"yeah,no,maybe"`` ``yeah``
``False`` ``"yeah,no,maybe"`` ``no``
``None`` ``"yeah,no,maybe"`` ``maybe``
``None`` ``"yeah,no"`` ``"no"`` (converts None to False
if no mapping for None is given.
========== ====================== ==================================
"""
if arg is None:
arg = ugettext('yes,no,maybe')
bits = arg.split(u',')
if len(bits) < 2:
return value # Invalid arg.
try:
yes, no, maybe = bits
except ValueError:
# Unpack list of wrong size (no "maybe" value provided).
yes, no, maybe = bits[0], bits[1], bits[1]
if value is None:
return maybe
if value:
return yes
return no
yesno.is_safe = False
###################
# MISC #
###################
def filesizeformat(bytes):
"""
Formats the value like a 'human-readable' file size (i.e. 13 KB, 4.1 MB,
102 bytes, etc).
"""
try:
bytes = float(bytes)
except (TypeError,ValueError,UnicodeDecodeError):
return u"0 bytes"
if bytes < 1024:
return ungettext("%(size)d byte", "%(size)d bytes", bytes) % {'size': bytes}
if bytes < 1024 * 1024:
return ugettext("%.1f KB") % (bytes / 1024)
if bytes < 1024 * 1024 * 1024:
return ugettext("%.1f MB") % (bytes / (1024 * 1024))
return ugettext("%.1f GB") % (bytes / (1024 * 1024 * 1024))
filesizeformat.is_safe = True
def pluralize(value, arg=u's'):
"""
Returns a plural suffix if the value is not 1. By default, 's' is used as
the suffix:
* If value is 0, vote{{ value|pluralize }} displays "0 votes".
* If value is 1, vote{{ value|pluralize }} displays "1 vote".
* If value is 2, vote{{ value|pluralize }} displays "2 votes".
If an argument is provided, that string is used instead:
* If value is 0, class{{ value|pluralize:"es" }} displays "0 classes".
* If value is 1, class{{ value|pluralize:"es" }} displays "1 class".
* If value is 2, class{{ value|pluralize:"es" }} displays "2 classes".
If the provided argument contains a comma, the text before the comma is
used for the singular case and the text after the comma is used for the
plural case:
* If value is 0, cand{{ value|pluralize:"y,ies" }} displays "0 candies".
* If value is 1, cand{{ value|pluralize:"y,ies" }} displays "1 candy".
* If value is 2, cand{{ value|pluralize:"y,ies" }} displays "2 candies".
"""
if not u',' in arg:
arg = u',' + arg
bits = arg.split(u',')
if len(bits) > 2:
return u''
singular_suffix, plural_suffix = bits[:2]
try:
if int(value) != 1:
return plural_suffix
except ValueError: # Invalid string that's not a number.
pass
except TypeError: # Value isn't a string or a number; maybe it's a list?
try:
if len(value) != 1:
return plural_suffix
except TypeError: # len() of unsized object.
pass
return singular_suffix
pluralize.is_safe = False
def phone2numeric(value):
"""Takes a phone number and converts it in to its numerical equivalent."""
from django.utils.text import phone2numeric
return phone2numeric(value)
phone2numeric.is_safe = True
def pprint(value):
"""A wrapper around pprint.pprint -- for debugging, really."""
from pprint import pformat
try:
return pformat(value)
except Exception, e:
return u"Error in formatting: %s" % force_unicode(e, errors="replace")
pprint.is_safe = True
# Syntax: register.filter(name of filter, callback)
register.filter(add)
register.filter(addslashes)
register.filter(capfirst)
register.filter(center)
register.filter(cut)
register.filter(date)
register.filter(default)
register.filter(default_if_none)
register.filter(dictsort)
register.filter(dictsortreversed)
register.filter(divisibleby)
register.filter(escape)
register.filter(escapejs)
register.filter(filesizeformat)
register.filter(first)
register.filter(fix_ampersands)
register.filter(floatformat)
register.filter(force_escape)
register.filter(get_digit)
register.filter(iriencode)
register.filter(join)
register.filter(last)
register.filter(length)
register.filter(length_is)
register.filter(linebreaks)
register.filter(linebreaksbr)
register.filter(linenumbers)
register.filter(ljust)
register.filter(lower)
register.filter(make_list)
register.filter(phone2numeric)
register.filter(pluralize)
register.filter(pprint)
register.filter(removetags)
register.filter(random)
register.filter(rjust)
register.filter(safe)
register.filter(safeseq)
register.filter('slice', slice_)
register.filter(slugify)
register.filter(stringformat)
register.filter(striptags)
register.filter(time)
register.filter(timesince)
register.filter(timeuntil)
register.filter(title)
register.filter(truncatewords)
register.filter(truncatewords_html)
register.filter(unordered_list)
register.filter(upper)
register.filter(urlencode)
register.filter(urlize)
register.filter(urlizetrunc)
register.filter(wordcount)
register.filter(wordwrap)
register.filter(yesno)
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