fix: Add necessary context for Pydantic subclasses with custom init (#2472)

* fix: Add necessary context for Pydantic subclasses with custom init

* Handle other classes

* Moving model rebuilding to __init__ methods

---------

Co-authored-by: pt2302 <1553279+pt2302@users.noreply.github.com>

Author: blarghmatey

content_sync/pipelines/definitions/concourse/common/steps.py

@@ -1,9 +1,11 @@
 import json
+from typing import Optional  # noqa: F401
 from urllib.parse import urljoin
 
 from django.conf import settings
 from ol_concourse.lib.constants import REGISTRY_IMAGE
 from ol_concourse.lib.models.pipeline import (
+    AcrossVar,  # noqa: F401
     AnonymousResource,
     Command,
     DoStep,
@@ -117,6 +119,7 @@ def __init__(  # noqa: PLR0913
             ),
             **kwargs,
         )
+        self.model_rebuild()
 
 
 class SlackAlertStep(TryStep):
@@ -143,6 +146,7 @@ def __init__(self, alert_type: str, text: str, **kwargs):
             ),
             **kwargs,
         )
+        self.model_rebuild()
 
 
 class ClearCdnCacheStep(TaskStep):
@@ -180,6 +184,7 @@ def __init__(self, name: Identifier, fastly_var: str, site_name: str, **kwargs):
             ),
             **kwargs,
         )
+        self.model_rebuild()
 
 
 class OcwStudioWebhookStep(TryStep):
@@ -205,6 +210,7 @@ def __init__(self, pipeline_name: str, status: str, **kwargs):
             ),
             **kwargs,
         )
+        self.model_rebuild()
 
 
 class OcwStudioWebhookCurlStep(TryStep):
@@ -244,6 +250,7 @@ def __init__(self, site_name: str, data: dict, **kwargs):
             ),
             **kwargs,
         )
+        self.model_rebuild()
 
 
 class OpenCatalogWebhookStep(TryStep):
@@ -277,6 +284,7 @@ def __init__(
             ),
             **kwargs,
         )
+        self.model_rebuild()
 
 
 class SiteContentGitTaskStep(TaskStep):
@@ -326,3 +334,4 @@ def __init__(self, branch: str, short_id: str, **kwargs):
             ),
             **kwargs,
         )
+        self.model_rebuild()

content_sync/pipelines/definitions/concourse/site_pipeline.py

@@ -3,6 +3,7 @@
 
 from django.conf import settings
 from ol_concourse.lib.models.pipeline import (
+    AcrossVar,  # noqa: F401
     Command,
     DoStep,
     DummyConfig,
@@ -416,6 +417,7 @@ def __init__(self, web_bucket: str):
         if is_dev():
             self.params["AWS_ACCESS_KEY_ID"] = settings.AWS_ACCESS_KEY_ID
             self.params["AWS_SECRET_ACCESS_KEY"] = settings.AWS_SECRET_ACCESS_KEY
+        self.model_rebuild()
 
 
 class StaticResourcesTaskStep(TaskStep):
@@ -456,6 +458,7 @@ def __init__(self, pipeline_vars: dict, *, filter_videos: bool = False):
         if is_dev():
             self.params["AWS_ACCESS_KEY_ID"] = settings.AWS_ACCESS_KEY_ID or ""
             self.params["AWS_SECRET_ACCESS_KEY"] = settings.AWS_SECRET_ACCESS_KEY or ""
+        self.model_rebuild()
 
 
 class SitePipelineOnlineTasks(list[StepModifierMixin]):