Remove template tags

representatives/templatetags/representatives_tags.py

-import re
-from django import template
-from django.utils.safestring import mark_safe
-from django.contrib.humanize.templatetags.humanize import naturalday
-
-register = template.Library()
-
-
-def cssify(string):
-    return re.sub('[^a-z_-]', '', string.lower())
-
-
-@register.filter
-def country_flag(country):
-    return mark_safe(
-        '<span class="flag-icon flag-icon-{code}"></span> {name}'.format(
-            name=country.name,
-            code=country.code.lower()))
-
-
-@register.filter
-def chamber_icon(chamber):
-    return mark_safe(
-        u'<span class="chamber-icon ' +
-        u'chamber-icon-{abbr}"></span> {name}'.format(
-            name=chamber.name,
-            abbr=cssify(chamber.abbreviation)))
-
-
-@register.filter
-def mandate_icon(main_mandate):
-    return mark_safe(
-        u'<span class="group-icon ' +
-        u'group-icon-{abbr}"></span> {role} of {name}'.format(
-            role=main_mandate.role,
-            name=main_mandate.group.name,
-            abbr=cssify(main_mandate.group.abbreviation)))
-
-
-@register.filter
-def group_icon(group):
-    return mark_safe(
-        u'<span class="group-icon ' +
-        u'group-icon-{abbr}"></span> {name}'.format(
-            abbr=cssify(group.abbreviation),
-            name=group.abbreviation))
-
-
-@register.filter
-def group_long_icon(group):
-    return mark_safe(
-        u'<span class="group-icon ' +
-        u'group-icon-{abbr}"></span> {name}'.format(
-            abbr=cssify(group.abbreviation),
-            name=group.name))
-
-
-@register.filter
-def mandate_date(date, arg=None):
-    if date is None or date.year == 9999:
-        return 'present'
-    else:
-        return naturalday(date, arg)