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nwjlyons/block_types_used_in_field.py

Created January 29, 2021 15:23
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Determine what blocks are used in a Wagtail StreamField.
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block_types_used_in_field.py
def block_types_used_in_field(queryset, field_name: str) -> set:
used_block_types = set()
for page in queryset:
for block in getattr(page, field_name):
used_block_types.add(block.block_type)
return used_block_types
# block_types_used_in_field(BlogPage.objects.all(), 'body')
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