generally working with Python/Pythia

@RangerMetrics/python/threading_utils.py

@@ -0,0 +1,52 @@
+import threading
+
+
+# https://stackoverflow.com/a/65447493/6543759
+class ThreadWithResult(threading.Thread):
+    def __init__(self, group=None, target=None, name=None, args=(), kwargs=None, *, daemon=None):
+        if not kwargs:
+            kwargs = {}
+
+        def function():
+            self.result = target(*args, **kwargs)
+        super().__init__(group=group, target=function, name=name, daemon=daemon)
+
+
+THREADS = {}
+THREAD_ID = 0
+
+
+def call_slow_function(function, args):
+    global THREADS, THREAD_ID
+    thread = ThreadWithResult(target=function, args=args, daemon=True)
+    THREAD_ID += 1
+    THREADS[THREAD_ID] = thread
+    thread.start()
+
+    return THREAD_ID
+
+
+def has_call_finished(thread_id):
+    global THREADS
+
+    thread = THREADS[thread_id]
+    if thread.is_alive():
+        # Thread is still working
+        return False
+
+    # Thread has finished, we can return its value using get_call_value()
+    return True
+
+
+def get_call_value(thread_id):
+    global THREADS
+
+    thread = THREADS[thread_id]
+    if thread.is_alive():
+        # Thread is still working
+        raise ValueError('Thread is still running!')
+
+    # Thread has finished, we can return its value now
+    thread.join()
+    del THREADS[thread_id]
+    return thread.result