Move changelog signals setup to a context manager

This commit is contained in:
Jeremy Stretch
2020-08-18 13:05:41 -04:00
parent 5629124755
commit 986ef2b8e6
3 changed files with 65 additions and 65 deletions

View File

@@ -12,19 +12,17 @@ from django import forms
from django.conf import settings
from django.core.validators import RegexValidator
from django.db import transaction
from django.db.models.signals import m2m_changed, pre_delete, post_save
from django.utils.functional import classproperty
from django_rq import job
from extras.api.serializers import ScriptOutputSerializer
from extras.choices import JobResultStatusChoices, LogLevelChoices
from extras.models import JobResult
from extras.signals import _handle_changed_object, _handle_deleted_object
from ipam.formfields import IPAddressFormField, IPNetworkFormField
from ipam.validators import MaxPrefixLengthValidator, MinPrefixLengthValidator, prefix_validator
from utilities.exceptions import AbortTransaction
from utilities.forms import DynamicModelChoiceField, DynamicModelMultipleChoiceField
from utilities.utils import curry
from .context_managers import change_logging
from .forms import ScriptForm
__all__ = [
@@ -443,51 +441,39 @@ def run_script(data, request, commit=True, *args, **kwargs):
f"with NetBox v2.10."
)
# Curry changelog signal receivers to pass the current request
handle_changed_object = curry(_handle_changed_object, request)
handle_deleted_object = curry(_handle_deleted_object, request)
with change_logging(request):
# Connect object modification signals to their respective receivers
post_save.connect(handle_changed_object)
m2m_changed.connect(handle_changed_object)
pre_delete.connect(handle_deleted_object)
try:
with transaction.atomic():
script.output = script.run(**kwargs)
try:
with transaction.atomic():
script.output = script.run(**kwargs)
if not commit:
raise AbortTransaction()
except AbortTransaction:
pass
except Exception as e:
stacktrace = traceback.format_exc()
script.log_failure(
"An exception occurred: `{}: {}`\n```\n{}\n```".format(type(e).__name__, e, stacktrace)
)
logger.error(f"Exception raised during script execution: {e}")
commit = False
job_result.set_status(JobResultStatusChoices.STATUS_ERRORED)
finally:
if job_result.status != JobResultStatusChoices.STATUS_ERRORED:
job_result.data = ScriptOutputSerializer(script).data
job_result.set_status(JobResultStatusChoices.STATUS_COMPLETED)
if not commit:
raise AbortTransaction()
# Delete all pending changelog entries
script.log_info(
"Database changes have been reverted automatically."
)
except AbortTransaction:
pass
except Exception as e:
stacktrace = traceback.format_exc()
script.log_failure(
"An exception occurred: `{}: {}`\n```\n{}\n```".format(type(e).__name__, e, stacktrace)
)
logger.error(f"Exception raised during script execution: {e}")
commit = False
job_result.set_status(JobResultStatusChoices.STATUS_ERRORED)
finally:
if job_result.status != JobResultStatusChoices.STATUS_ERRORED:
job_result.data = ScriptOutputSerializer(script).data
job_result.set_status(JobResultStatusChoices.STATUS_COMPLETED)
if not commit:
# Delete all pending changelog entries
script.log_info(
"Database changes have been reverted automatically."
)
logger.info(f"Script completed in {job_result.duration}")
# Disconnect signals
post_save.disconnect(handle_changed_object)
m2m_changed.disconnect(handle_changed_object)
pre_delete.disconnect(handle_deleted_object)
logger.info(f"Script completed in {job_result.duration}")
# Delete any previous terminal state results
JobResult.objects.filter(