import time
import datetime
import math
import re
import logging
from django import template
from django.utils.encoding import smart_unicode
from django.utils.safestring import mark_safe
from django.utils.timesince import timesince
from forum.const import *
from django.utils.translation import ugettext as _
register = template.Library()
GRAVATAR_TEMPLATE = ('
')
@register.simple_tag
def gravatar(user, size):
"""
Creates an ``
`` for a user's Gravatar with a given size.
This tag can accept a User object, or a dict containing the
appropriate values.
"""
try:
gravatar = user['gravatar']
username = user['username']
except (TypeError, AttributeError, KeyError):
gravatar = user.gravatar
username = user.username
return mark_safe(GRAVATAR_TEMPLATE % {
'size': size,
'gravatar_hash': gravatar,
'username': template.defaultfilters.urlencode(username),
})
MAX_FONTSIZE = 18
MIN_FONTSIZE = 12
@register.simple_tag
def tag_font_size(max_size, min_size, current_size):
"""
do a logarithmic mapping calcuation for a proper size for tagging cloud
Algorithm from http://blogs.dekoh.com/dev/2007/10/29/choosing-a-good-font-size-variation-algorithm-for-your-tag-cloud/
"""
#avoid invalid calculation
if current_size == 0:
current_size = 1
try:
weight = (math.log10(current_size) - math.log10(min_size)) / (math.log10(max_size) - math.log10(min_size))
except:
weight = 0
return MIN_FONTSIZE + round((MAX_FONTSIZE - MIN_FONTSIZE) * weight)
LEADING_PAGE_RANGE_DISPLAYED = TRAILING_PAGE_RANGE_DISPLAYED = 5
LEADING_PAGE_RANGE = TRAILING_PAGE_RANGE = 4
NUM_PAGES_OUTSIDE_RANGE = 1
ADJACENT_PAGES = 2
@register.inclusion_tag("paginator.html")
def cnprog_paginator(context):
"""
custom paginator tag
Inspired from http://blog.localkinegrinds.com/2007/09/06/digg-style-pagination-in-django/
"""
if (context["is_paginated"]):
" Initialize variables "
in_leading_range = in_trailing_range = False
pages_outside_leading_range = pages_outside_trailing_range = range(0)
if (context["pages"] <= LEADING_PAGE_RANGE_DISPLAYED):
in_leading_range = in_trailing_range = True
page_numbers = [n for n in range(1, context["pages"] + 1) if n > 0 and n <= context["pages"]]
elif (context["page"] <= LEADING_PAGE_RANGE):
in_leading_range = True
page_numbers = [n for n in range(1, LEADING_PAGE_RANGE_DISPLAYED + 1) if n > 0 and n <= context["pages"]]
pages_outside_leading_range = [n + context["pages"] for n in range(0, -NUM_PAGES_OUTSIDE_RANGE, -1)]
elif (context["page"] > context["pages"] - TRAILING_PAGE_RANGE):
in_trailing_range = True
page_numbers = [n for n in range(context["pages"] - TRAILING_PAGE_RANGE_DISPLAYED + 1, context["pages"] + 1) if n > 0 and n <= context["pages"]]
pages_outside_trailing_range = [n + 1 for n in range(0, NUM_PAGES_OUTSIDE_RANGE)]
else:
page_numbers = [n for n in range(context["page"] - ADJACENT_PAGES, context["page"] + ADJACENT_PAGES + 1) if n > 0 and n <= context["pages"]]
pages_outside_leading_range = [n + context["pages"] for n in range(0, -NUM_PAGES_OUTSIDE_RANGE, -1)]
pages_outside_trailing_range = [n + 1 for n in range(0, NUM_PAGES_OUTSIDE_RANGE)]
extend_url = context.get('extend_url', '')
return {
"base_url": context["base_url"],
"is_paginated": context["is_paginated"],
"previous": context["previous"],
"has_previous": context["has_previous"],
"next": context["next"],
"has_next": context["has_next"],
"page": context["page"],
"pages": context["pages"],
"page_numbers": page_numbers,
"in_leading_range" : in_leading_range,
"in_trailing_range" : in_trailing_range,
"pages_outside_leading_range": pages_outside_leading_range,
"pages_outside_trailing_range": pages_outside_trailing_range,
"extend_url" : extend_url
}
@register.inclusion_tag("pagesize.html")
def cnprog_pagesize(context):
"""
display the pagesize selection boxes for paginator
"""
if (context["is_paginated"]):
return {
"base_url": context["base_url"],
"pagesize" : context["pagesize"],
"is_paginated": context["is_paginated"]
}
@register.simple_tag
def get_score_badge(user):
BADGE_TEMPLATE = '%(reputation)s'
if user.gold > 0 :
BADGE_TEMPLATE = '%s%s' % (BADGE_TEMPLATE, ''
'●'
'%(gold)s'
'')
if user.silver > 0:
BADGE_TEMPLATE = '%s%s' % (BADGE_TEMPLATE, ''
'●'
'%(silver)s'
'')
if user.bronze > 0:
BADGE_TEMPLATE = '%s%s' % (BADGE_TEMPLATE, ''
'●'
'%(bronze)s'
'')
BADGE_TEMPLATE = smart_unicode(BADGE_TEMPLATE, encoding='utf-8', strings_only=False, errors='strict')
return mark_safe(BADGE_TEMPLATE % {
'reputation' : user.reputation,
'gold' : user.gold,
'silver' : user.silver,
'bronze' : user.bronze,
'badgesword' : _('badges'),
'reputationword' : _('reputation points'),
})
@register.simple_tag
def get_score_badge_by_details(rep, gold, silver, bronze):
BADGE_TEMPLATE = '%(reputation)s'
if gold > 0 :
BADGE_TEMPLATE = '%s%s' % (BADGE_TEMPLATE, ''
'●'
'%(gold)s'
'')
if silver > 0:
BADGE_TEMPLATE = '%s%s' % (BADGE_TEMPLATE, ''
'●'
'%(silver)s'
'')
if bronze > 0:
BADGE_TEMPLATE = '%s%s' % (BADGE_TEMPLATE, ''
'●'
'%(bronze)s'
'')
BADGE_TEMPLATE = smart_unicode(BADGE_TEMPLATE, encoding='utf-8', strings_only=False, errors='strict')
return mark_safe(BADGE_TEMPLATE % {
'reputation' : rep,
'gold' : gold,
'silver' : silver,
'bronze' : bronze,
'repword' : _('reputation points'),
'badgeword' : _('badges'),
})
@register.simple_tag
def get_user_vote_image(dic, key, arrow):
if dic.has_key(key):
if int(dic[key]) == int(arrow):
return '-on'
return ''
@register.simple_tag
def get_age(birthday):
current_time = datetime.datetime(*time.localtime()[0:6])
year = birthday.year
month = birthday.month
day = birthday.day
diff = current_time - datetime.datetime(year,month,day,0,0,0)
return diff.days / 365
@register.simple_tag
def get_total_count(up_count, down_count):
return up_count + down_count
@register.simple_tag
def format_number(value):
strValue = str(value)
if len(strValue) <= 3:
return strValue
result = ''
first = ''
pattern = re.compile('(-?\d+)(\d{3})')
m = re.match(pattern, strValue)
while m != None:
first = m.group(1)
second = m.group(2)
result = ',' + second + result
strValue = first + ',' + second
m = re.match(pattern, strValue)
return first + result
@register.simple_tag
def convert2tagname_list(question):
question['tagnames'] = [name for name in question['tagnames'].split(u' ')]
return ''
@register.simple_tag
def diff_date(date, limen=2):
meses = ['Ene', 'Feb', 'Mar', 'Abr', 'May', 'Jun', 'Jul', 'Ago', 'Sept', 'Oct', 'Nov', 'Dic']
current_time = datetime.datetime(*time.localtime()[0:6])
diff = current_time - date
diff_days = diff.days
if diff_days > limen:
return "%s %s - %s @ %s:%s" % (meses[date.month-1], date.day, date.year, date.hour, date.minute)
else:
return timesince(date) + _(' ago')
@register.simple_tag
def get_latest_changed_timestamp():
try:
from time import localtime, strftime
from os import path
from django.conf import settings
root = settings.SITE_SRC_ROOT
dir = (
root,
'%s/forum' % root,
'%s/templates' % root,
)
stamp = (path.getmtime(d) for d in dir)
latest = max(stamp)
timestr = strftime("%H:%M %b-%d-%Y %Z", localtime(latest))
except:
timestr = ''
return timestr