Closes #14438: Database representation of scripts

- Introduces the Script model to represent individual Python classes within a ScriptModule file
- Automatically migrates jobs & event rules

---------

Co-authored-by: Jeremy Stretch <jstretch@netboxlabs.com>

netbox/extras/scripts.py

@@ -17,7 +17,7 @@ from django.utils.translation import gettext as _
 from core.choices import JobStatusChoices
 from core.models import Job
 from extras.choices import LogLevelChoices
-from extras.models import ScriptModule
+from extras.models import ScriptModule, Script as ScriptModel
 from extras.signals import clear_events
 from ipam.formfields import IPAddressFormField, IPNetworkFormField
 from ipam.validators import MaxPrefixLengthValidator, MinPrefixLengthValidator, prefix_validator
@@ -582,7 +582,7 @@ def is_variable(obj):
 
 def get_module_and_script(module_name, script_name):
     module = ScriptModule.objects.get(file_path=f'{module_name}.py')
-    script = module.scripts.get(script_name)
+    script = module.scripts.get(name=script_name)
     return module, script
 
 
@@ -599,8 +599,7 @@ def run_script(data, job, request=None, commit=True, **kwargs):
     """
     job.start()
 
-    module = ScriptModule.objects.get(pk=job.object_id)
-    script = module.scripts.get(job.name)()
+    script = ScriptModel.objects.get(pk=job.object_id).python_class()
 
     logger = logging.getLogger(f"netbox.scripts.{script.full_name}")
     logger.info(f"Running script (commit={commit})")