misc: add is_empty_placeholder filter tag (#19443)
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@ -191,3 +191,7 @@ def get_group(group_list, group_name):
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if group['grouper'] == group_name:
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ret.extend(group['list'])
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return ret
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@register.filter(name='is_empty_placeholder')
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def is_empty_placeholder(page, placeholder_name):
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return len([x for x in page.get_cells() if x.placeholder == placeholder_name]) == 0
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