initial import for Open Source 🎉

data/model/oci/shared.py

@@ -0,0 +1,24 @@
+from data.database import Manifest, ManifestLegacyImage, Image
+
+def get_legacy_image_for_manifest(manifest_id):
+  """ Returns the legacy image associated with the given manifest, if any, or None if none. """
+  try:
+    query = (ManifestLegacyImage
+             .select(ManifestLegacyImage, Image)
+             .join(Image)
+             .where(ManifestLegacyImage.manifest == manifest_id))
+    return query.get().image
+  except ManifestLegacyImage.DoesNotExist:
+    return None
+
+
+def get_manifest_for_legacy_image(image_id):
+  """ Returns a manifest that is associated with the given image, if any, or None if none. """
+  try:
+    query = (ManifestLegacyImage
+             .select(ManifestLegacyImage, Manifest)
+             .join(Manifest)
+             .where(ManifestLegacyImage.image == image_id))
+    return query.get().manifest
+  except ManifestLegacyImage.DoesNotExist:
+    return None