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acl : templatetag can_change
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1 changed files with 35 additions and 0 deletions
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@ -272,6 +272,41 @@ def acl_app_filter(parser, token):
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return AclNode(callback, oknodes, konodes)
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@register.tag('can_change')
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@register.tag('cannot_change')
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def acl_change_filter(parser, token):
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"""Templatetag for acl checking a can_change_xxx function"""
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try:
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tag_content = token.split_contents()
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tag_name = tag_content[0]
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model_name = tag_content[1]
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field_name = tag_content[2]
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args = tag_content[3:]
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except ValueError:
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raise template.TemplateSyntaxError(
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"%r tag require at least 2 argument : the model and the field"
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% token.contents.split()[0]
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)
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model = get_model(model_name)
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callback = getattr(model, 'can_change_'+field_name)
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# {% can_create %}
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oknodes = parser.parse(('acl_else', 'acl_end'))
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token = parser.next_token()
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# {% can_create_else %}
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if token.contents == 'acl_else':
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konodes = parser.parse(('acl_end'))
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token = parser.next_token()
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else:
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konodes = NodeList()
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# {% can_create_end %}
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assert token.contents == 'acl_end'
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return AclNode(callback, oknodes, konodes, *args)
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@register.tag('can_create')
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@register.tag('cannot_create')
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