#35395: Python 3.12 filter bug with Django 4.2.11
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Reporter: Tim Richardson | Owner: nobody
Type: Bug | Status: new
Component: Template system | Version: 4.2
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
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I have a template with a fragment like this:
<span
class="fs-6">Supplier: {{
po_metadata|get_item:dict_item.PONumber|get_item:"supplier" }} PO Date: {{
po_metadata|get_item:dict_item.PONumber|get_item:"order_date" |
slice:":10" }} </span>
When using python 3.13.2, I get an exception in
django/template/defaultfilters.py slice_filter()
This code does throw an exception with 3.11
The exception is a Key Error and it happens because instead a list being
passed to the filter, a dictionary is. An empty dict in my case.
In python 3.11, the breakpoints in slice_filter() are not hit. Somehow
the preceeding filters are behaving differently in case of po_metadata
being an empty dict.
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Ticket URL: <https://code.djangoproject.com/ticket/35395>
Django <https://code.djangoproject.com/>
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