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Allow PDF variables to provide a bulk evaluation method (#3517)

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Raphael Michel
2023-08-09 18:22:56 +02:00
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parent cfd6376936
commit 6ada83df9a
2 changed files with 77 additions and 6 deletions
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6
src/pretix/base/signals.py
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@@ -683,12 +683,16 @@ dictionaries as values that contain keys like in the following example::
"product": {
"label": _("Product name"),
"editor_sample": _("Sample product"),
"evaluate": lambda orderposition, order, event: str(orderposition.item)
"evaluate": lambda orderposition, order, event: str(orderposition.item),
"evaluate_bulk": lambda orderpositions: [str(op.item) for op in orderpositions],
}
}
The ``evaluate`` member will be called with the order position, order and event as arguments. The event might
also be a subevent, if applicable.
The ``evaluate_bulk`` member is optional but can significantly improve performance in some situations because you
can perform database fetches in bulk instead of single queries for every position.
"""