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Closes #18797: Support path import for certain Jinja environment parameters

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This commit is contained in:
Jeremy Stretch 2025-07-28 09:42:26 -04:00
parent b01c75cf3a
commit 4bb7b62a30
2 changed files with 21 additions and 4 deletions
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6
netbox/extras/constants.py
View File

@ -21,6 +21,12 @@ WEBHOOK_EVENT_TYPES = {
JOB_ERRORED: 'job_ended',
}
# Jinja environment parameters which support path imports
JINJA_ENV_PARAMS_WITH_PATH_IMPORT = (
'undefined',
'finalize',
)
# Dashboard
DEFAULT_DASHBOARD = [
{

19
netbox/extras/models/mixins.py
View File

@ -2,16 +2,17 @@ import importlib.abc
import importlib.util
import os
import sys
from django.core.files.storage import storages
from django.db import models
from django.utils.translation import gettext_lazy as _
from django.http import HttpResponse
from django.utils.module_loading import import_string
from django.utils.translation import gettext_lazy as _
from extras.constants import DEFAULT_MIME_TYPE
from extras.constants import DEFAULT_MIME_TYPE, JINJA_ENV_PARAMS_WITH_PATH_IMPORT
from extras.utils import filename_from_model, filename_from_object
from utilities.jinja2 import render_jinja2
__all__ = (
'PythonModuleMixin',
'RenderTemplateMixin',
@ -125,12 +126,22 @@ class RenderTemplateMixin(models.Model):
class_name=self.__class__
))
def get_environment_params(self):
"""
Pre-processing of any defined Jinja environment parameters (e.g. to support path resolution).
"""
params = self.environment_params or {}
for name, value in params.items():
if name in JINJA_ENV_PARAMS_WITH_PATH_IMPORT and type(value) is str:
params[name] = import_string(value)
return params
def render(self, context=None, queryset=None):
"""
Render the template with the provided context. The context is passed to the Jinja2 environment as a dictionary.
"""
context = self.get_context(context=context, queryset=queryset)
env_params = self.environment_params or {}
env_params = self.get_environment_params()
output = render_jinja2(self.template_code, context, env_params, getattr(self, 'data_file', None))
# Replace CRLF-style line terminators