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# -*- coding: utf-8 -*-
# Copyright (C) 1998-2012 by the Free Software Foundation, Inc.
#
# This file is part of HyperKitty.
#
# HyperKitty is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option)
# any later version.
#
# HyperKitty is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along with
# HyperKitty. If not, see <http://www.gnu.org/licenses/>.
#
# Author: Aurelien Bompard <abompard@fedoraproject.org>
#
import datetime
import re
from dateutil.tz import tzoffset
from django import template
from django.utils.datastructures import SortedDict
from django.templatetags.tz import localtime
from django.utils.html import conditional_escape
from django.utils.safestring import mark_safe
from django.utils.timezone import utc
register = template.Library()
@register.filter
def trimString(str):
return re.sub('\s+', ' ', str)
@register.filter(name='sort')
def listsort(value):
if isinstance(value, dict):
new_dict = SortedDict()
key_list = value.keys()
key_list.sort()
key_list.reverse()
for key in key_list:
values = value[key]
values.sort()
values.reverse()
new_dict[key] = values
return new_dict.items()
elif isinstance(value, list):
new_list = list(value)
new_list.sort()
return new_list
else:
return value
listsort.is_safe = True
@register.filter(name="monthtodate")
def to_date(month, year):
return datetime.date(year, month, 1)
@register.filter
def strip_page(value):
print repr(value), repr(value)[-2]
if not value:
return value
if value.endswith('/') and value[-3] == '/':
end_with_number = False
try:
if int(value[-2]) in range(0,10):
end_with_number = True
if end_with_number:
output = value.rsplit('/', 2)
except ValueError:
output = value.rsplit('/', 1)
else:
output = value.rsplit('/', 1)
return output[0]
# From http://djangosnippets.org/snippets/1259/
@register.filter
def truncatesmart(value, limit=80):
"""
Truncates a string after a given number of chars keeping whole words.
Usage:
{{ string|truncatesmart }}
{{ string|truncatesmart:50 }}
"""
try:
limit = int(limit)
# invalid literal for int()
except ValueError:
# Fail silently.
return value
# Make sure it's unicode
value = unicode(value)
# Return the string itself if length is smaller or equal to the limit
if len(value) <= limit:
return value
# Cut the string
value = value[:limit]
# Break into words and remove the last
words = value.split(' ')[:-1]
# Join the words and return
return ' '.join(words) + '...'
MAILTO_RE = re.compile("<a href=['\"]mailto:([^'\"]+)@([^'\"]+)['\"]>[^<]+</a>")
@register.filter(is_safe=True)
def escapeemail(text):
"""To escape email addresses"""
# reverse the effect of urlize() on email addresses
text = MAILTO_RE.sub(r"\1(a)\2", text)
return text.replace("@", u"\uff20")
@register.filter()
def get_date(email_or_thread):
"""
Rebuild the date of an email or a thread taking the timezone into account.
"""
if hasattr(email_or_thread, 'date'):
tz = tzoffset(None, email_or_thread.timezone * 60)
date_obj = email_or_thread.date.replace(tzinfo=tz)
elif hasattr(email_or_thread, 'date_active'):
date_obj = email_or_thread.date_active.replace(tzinfo=utc)
else:
raise ValueError(email_or_thread)
return date_obj
SNIPPED_RE = re.compile("^(\s*>).*$", re.M)
@register.filter(needs_autoescape=True)
def snip_quoted(content, quotemsg="...", autoescape=None):
"""Snip quoted text in messages"""
if autoescape:
content = conditional_escape(content)
quoted = []
current_quote = []
current_quote_orig = []
#lastline = None
for line in content.split("\n"):
match = SNIPPED_RE.match(line)
if match is not None:
#if lastline == "":
# current_quote_orig.append(lastline)
current_quote_orig.append(line)
content_start = len(match.group(1))
current_quote.append(line[content_start:])
else:
if current_quote_orig:
current_quote_orig.append("")
quoted.append( (current_quote_orig[:], current_quote[:]) )
current_quote = []
current_quote_orig = []
#lastline = line
for quote_orig, quote in quoted:
replaced = ('<div class="quoted-switch"><a href="#">%s</a></div>' % quotemsg
+'<div class="quoted-text">'
+"\n".join(quote)
+' </div>')
content = content.replace("\n".join(quote_orig), replaced)
return mark_safe(content)
@register.filter()
def multiply(num1, num2):
if int(num2) == float(num2):
num2 = int(num2)
else:
num2 = float(num2)
return num1 * num2
@register.assignment_tag(takes_context=True)
def is_message_new(context, refdate):
user = context["user"]
last_view = context.get("last_view")
refdate = refdate.replace(tzinfo=utc)
return (user.is_authenticated() and
(not last_view or refdate > last_view)
)
@register.simple_tag(takes_context=True)
def add_to_query_string(context, *args, **kwargs):
qs = context["request"].GET.copy()
# create a dict from every args couple
new_qs_elements = dict(zip(args[::2], args[1::2]))
new_qs_elements.update(kwargs)
# don't use the .update() method, it appends instead of overwriting
for key, value in new_qs_elements.iteritems():
qs[key] = value
return qs.urlencode()
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