WIP: Flask View class modeling for restplus

Based on some DBs I had that contained dependencies

python/ql/src/meta/ClassHierarchy/Find.ql

@@ -0,0 +1,44 @@
+import python
+import semmle.python.dataflow.new.DataFlow
+private import semmle.python.ApiGraphs
+import semmle.python.frameworks.internal.SubclassFinder::NotExposed
+private import semmle.python.frameworks.Flask
+private import semmle.python.frameworks.FastApi
+private import semmle.python.frameworks.Django
+import semmle.python.frameworks.data.internal.ApiGraphModelsExtensions as Extensions
+
+class FlaskViewClasses extends FindSubclassesSpec {
+  FlaskViewClasses() { this = "flask.View~Subclass" }
+
+  override API::Node getAlreadyModeledClass() { result = Flask::Views::View::subclassRef() }
+}
+
+class FlaskMethodViewClasses extends FindSubclassesSpec {
+  FlaskMethodViewClasses() { this = "flask.MethodView~Subclass" }
+
+  override API::Node getAlreadyModeledClass() { result = Flask::Views::MethodView::subclassRef() }
+
+  override FlaskViewClasses getSuperClass() { any() }
+}
+
+bindingset[fullyQualified]
+predicate fullyQualifiedToYamlFormat(string fullyQualified, string type2, string path) {
+  exists(int firstDot | firstDot = fullyQualified.indexOf(".", 0, 0) |
+    type2 = fullyQualified.prefix(firstDot) and
+    path =
+      ("Member[" + fullyQualified.suffix(firstDot + 1).replaceAll(".", "].Member[") + "]")
+          .replaceAll(".Member[__init__].", "")
+          .replaceAll("Member[__init__].", "")
+  )
+}
+
+from FindSubclassesSpec spec, string newModelFullyQualified, string type2, string path, Module mod
+where
+  newModel(spec, newModelFullyQualified, _, mod, _) and
+  not exists(FindSubclassesSpec subclass | subclass.getSuperClass() = spec |
+    newModel(subclass, newModelFullyQualified, _, mod, _)
+  ) and
+  not exists(mod.getLocation().getFile().getRelativePath()) and
+  fullyQualifiedToYamlFormat(newModelFullyQualified, type2, path) and
+  not Extensions::typeModel(spec, type2, path)
+select spec.(string), type2, path