forked from netbox-community/netbox
/
exceptions.py
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/
exceptions.py
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from rest_framework import status
from rest_framework.exceptions import APIException
__all__ = (
'AbortRequest',
'AbortTransaction',
'PermissionsViolation',
'RQWorkerNotRunningException',
)
class AbortTransaction(Exception):
"""
A dummy exception used to trigger a database transaction rollback.
"""
pass
class AbortRequest(Exception):
"""
Raised to cleanly abort a request (for example, by a pre_save signal receiver).
"""
def __init__(self, message):
self.message = message
class AbortScript(Exception):
"""
Raised to cleanly abort a script.
"""
pass
class PermissionsViolation(Exception):
"""
Raised when an operation was prevented because it would violate the
allowed permissions.
"""
message = "Operation failed due to object-level permissions violation"
class RQWorkerNotRunningException(APIException):
"""
Indicates the temporary inability to enqueue a new task (e.g. custom script execution) because no RQ worker
processes are currently running.
"""
status_code = status.HTTP_503_SERVICE_UNAVAILABLE
default_detail = 'Unable to process request: RQ worker process not running.'
default_code = 'rq_worker_not_running'