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import logging
from django import template
from django.core import exceptions as django_exceptions
from django.utils.translation import ugettext as _
from django.contrib.humanize.templatetags import humanize
from django.template import defaultfilters
from askbot import exceptions as askbot_exceptions
from askbot import auth
from askbot import models
from askbot.deps.grapefruit import Color
from askbot.conf import settings as askbot_settings
from askbot.skins import utils as skin_utils
from askbot.utils import functions
from askbot.utils.slug import slugify
register = template.Library()
@register.filter
def collapse(input):
input = str(input)
return ' '.join(input.split())
slugify = register.filter(slugify)
def make_template_filter_from_permission_assertion(
assertion_name = None,
filter_name = None,
allowed_exception = None
):
"""a decorator-like function that will create a True/False test from
permission assertion
"""
def filter_function(user, post):
if askbot_settings.ALWAYS_SHOW_ALL_UI_FUNCTIONS:
return True
if user.is_anonymous():
return False
assertion = getattr(user, assertion_name)
if allowed_exception:
try:
assertion(post)
return True
except allowed_exception:
return True
except django_exceptions.PermissionDenied:
return False
else:
try:
assertion(post)
return True
except django_exceptions.PermissionDenied:
return False
register.filter(filter_name, filter_function)
return filter_function
@register.filter
def can_moderate_user(user, other_user):
if user.is_authenticated() and user.can_moderate_user(other_user):
return True
return False
can_flag_offensive = make_template_filter_from_permission_assertion(
assertion_name = 'assert_can_flag_offensive',
filter_name = 'can_flag_offensive',
allowed_exception = askbot_exceptions.DuplicateCommand
)
can_post_comment = make_template_filter_from_permission_assertion(
assertion_name = 'assert_can_post_comment',
filter_name = 'can_post_comment'
)
can_close_question = make_template_filter_from_permission_assertion(
assertion_name = 'assert_can_close_question',
filter_name = 'can_close_question'
)
can_delete_comment = make_template_filter_from_permission_assertion(
assertion_name = 'assert_can_delete_comment',
filter_name = 'can_delete_comment'
)
#this works for questions, answers and comments
can_delete_post = make_template_filter_from_permission_assertion(
assertion_name = 'assert_can_delete_post',
filter_name = 'can_delete_post'
)
can_reopen_question = make_template_filter_from_permission_assertion(
assertion_name = 'assert_can_reopen_question',
filter_name = 'can_reopen_question'
)
can_edit_post = make_template_filter_from_permission_assertion(
assertion_name = 'assert_can_edit_post',
filter_name = 'can_edit_post'
)
can_retag_question = make_template_filter_from_permission_assertion(
assertion_name = 'assert_can_retag_question',
filter_name = 'can_retag_question'
)
can_accept_best_answer = make_template_filter_from_permission_assertion(
assertion_name = 'assert_can_accept_best_answer',
filter_name = 'can_accept_best_answer'
)
@register.filter
def can_see_offensive_flags(user, post):
"""Determines if a User can view offensive flag counts.
there is no assertion like this User.assert_can...
so all of the code is here
user can see flags on own posts
otherwise enough rep is required
or being a moderator or administrator
suspended or blocked users cannot see flags
"""
if user.is_authenticated():
if user == post.get_owner():
return True
if user.reputation >= askbot_settings.MIN_REP_TO_VIEW_OFFENSIVE_FLAGS:
return True
elif user.is_administrator() or user.is_moderator():
return True
else:
return False
else:
return False
@register.filter
def can_view_user_edit(request_user, target_user):
return auth.can_view_user_edit(request_user, target_user)
@register.filter
def can_view_user_votes(request_user, target_user):
return auth.can_view_user_votes(request_user, target_user)
@register.filter
def can_view_user_preferences(request_user, target_user):
return auth.can_view_user_preferences(request_user, target_user)
@register.filter
def is_user_self(request_user, target_user):
return auth.is_user_self(request_user, target_user)
@register.filter
def cnprog_intword(number):
try:
if 1000 <= number < 10000:
string = str(number)[0:1]
return '<span class="thousand">%sk</span>' % string
else:
return number
except:
return number
@register.filter
def humanize_counter(number):
if number == 0:
return _('no items in counter')
elif number >= 1000:
number = number/1000
s = '%.1f' % number
if s.endswith('.0'):
return s[:-2] + 'k'
else:
return s + 'k'
else:
return str(number)
@register.filter
def absolute_value(number):
return abs(number)
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