Complete guided release console workflow

tools/release/release-migration-audit.py

@@ -170,18 +170,30 @@ def owner_for_versions_dir(versions_dir: Path) -> str:
 def parse_migration_file(owner: str, path: Path) -> Migration | None:
     tree = ast.parse(path.read_text(encoding="utf-8"), filename=str(path))
     values: dict[str, Any] = {}
+    wrapped: Migration | None = None
+    release_peer = path.parent.parent / "versions" / path.name
+    if path.parent.name == "dev_versions" and release_peer.is_file():
+        wrapped = parse_migration_file(owner, release_peer)
     for statement in tree.body:
         if isinstance(statement, ast.Assign):
             for target in statement.targets:
                 if isinstance(target, ast.Name) and target.id in {"revision", "down_revision", "depends_on", "branch_labels"}:
-                    values[target.id] = ast.literal_eval(statement.value)
+                    values[target.id] = _migration_assignment_value(
+                        target.id,
+                        statement.value,
+                        wrapped=wrapped,
+                    )
         elif (
             isinstance(statement, ast.AnnAssign)
             and isinstance(statement.target, ast.Name)
             and statement.target.id in {"revision", "down_revision", "depends_on", "branch_labels"}
             and statement.value is not None
         ):
-            values[statement.target.id] = ast.literal_eval(statement.value)
+            values[statement.target.id] = _migration_assignment_value(
+                statement.target.id,
+                statement.value,
+                wrapped=wrapped,
+            )
     revision = values.get("revision")
     if not isinstance(revision, str):
         return None
@@ -195,6 +207,31 @@ def parse_migration_file(owner: str, path: Path) -> Migration | None:
     )
 
 
+def _migration_assignment_value(
+    name: str,
+    value: ast.expr,
+    *,
+    wrapped: Migration | None,
+) -> Any:
+    try:
+        return ast.literal_eval(value)
+    except (ValueError, TypeError):
+        if (
+            wrapped is None
+            or not isinstance(value, ast.Attribute)
+            or not isinstance(value.value, ast.Name)
+            or value.value.id != "_migration"
+            or value.attr != name
+        ):
+            return None
+    return {
+        "revision": wrapped.revision,
+        "down_revision": wrapped.down_revisions,
+        "depends_on": wrapped.depends_on,
+        "branch_labels": wrapped.branch_labels,
+    }[name]
+
+
 def _normalize_revision_tuple(value: Any) -> tuple[str, ...]:
     if value is None:
         return ()