45 lines
971 B
Python
45 lines
971 B
Python
from django import template
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from django.core.urlresolvers import resolve, reverse
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from django.utils.translation import activate, get_language
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register = template.Library()
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@register.simple_tag(takes_context=True)
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def change_lang(context, lang=None, *args, **kwargs):
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path = context['request'].path
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url_parts = resolve(path)
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url = path
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cur_language = get_language()
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try:
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activate(lang)
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url = reverse(url_parts.view_name, kwargs=url_parts.kwargs)
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finally:
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activate(cur_language)
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return "%s" % url
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@register.filter('get_value_from_dict')
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def get_value_from_dict(dict_data, key):
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"""
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usage example {{ your_dict|get_value_from_dict:your_key }}
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"""
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if key:
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return dict_data.get(key)
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else:
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return ""
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@register.filter('multiply')
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def multiply(value, arg):
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"""
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usage: {{ quantity|multiply:price }}
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:param value:
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:param arg:
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:return:
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"""
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return value*arg
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