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mirror of https://github.com/netbox-community/netbox.git synced 2024-05-10 07:54:54 +00:00
2020-07-16 13:45:02 -04:00

24 lines
919 B
Python

from django.contrib import messages
from django.utils.html import escape
from django.utils.safestring import mark_safe
def handle_protectederror(obj, request, e):
"""
Generate a user-friendly error message in response to a ProtectedError exception.
"""
protected_objects = list(e.protected_objects)
err_message = f"Unable to delete {obj._meta.verbose_name} <strong>{obj}</strong>. " \
f"{len(protected_objects)} dependent objects were found: "
# Append dependent objects to error message
dependent_objects = []
for dependent in protected_objects:
if hasattr(obj, 'get_absolute_url'):
dependent_objects.append(f'<a href="{dependent.get_absolute_url()}">{escape(dependent)}</a>')
else:
dependent_objects.append(str(dependent))
err_message += ', '.join(dependent_objects)
messages.error(request, mark_safe(err_message))