initial commit (debugger)

app/debugger.py

@@ -0,0 +1,20 @@
+from os import getenv
+
+# From https://blog.theodo.com/2020/05/debug-flask-vscode/
+
+
+def initialize_flask_server_debugger_if_needed() -> bool:
+    if getenv("DEBUGGER") == "True":
+        import multiprocessing
+
+        process = multiprocessing.current_process()
+        if process.pid and process.pid > 1:
+            import debugpy
+
+            debugpy.listen(("0.0.0.0", 10001))
+            print("VS Code debugger can now be attached", flush=True)
+            debugpy.wait_for_client()
+            print("VSCode debugger attached", flush=True)
+            return True
+
+    return False