RAHHH

backend/lib/python3.12/site-packages/twisted/internet/test/process_helper.py

@@ -0,0 +1,46 @@
+# A program which exits after starting a child which inherits its
+# stdin/stdout/stderr and keeps them open until stdin is closed.
+
+import os
+import sys
+
+
+def grandchild() -> None:
+    sys.stdout.write("grandchild started")
+    sys.stdout.flush()
+    sys.stdin.read()
+
+
+def main() -> None:
+    if sys.argv[1] == "child":
+        if sys.argv[2] == "windows":
+            import win32api as api
+            import win32process as proc
+
+            info = proc.STARTUPINFO()
+            info.hStdInput = api.GetStdHandle(api.STD_INPUT_HANDLE)
+            info.hStdOutput = api.GetStdHandle(api.STD_OUTPUT_HANDLE)
+            info.hStdError = api.GetStdHandle(api.STD_ERROR_HANDLE)
+            python = sys.executable
+            scriptDir = os.path.dirname(__file__)
+            scriptName = os.path.basename(__file__)
+            proc.CreateProcess(
+                None,
+                " ".join((python, scriptName, "grandchild")),
+                None,
+                None,
+                1,
+                0,
+                os.environ,
+                scriptDir,
+                info,
+            )
+        else:
+            if os.fork() == 0:
+                grandchild()
+    else:
+        grandchild()
+
+
+if __name__ == "__main__":
+    main()