add fix_terminal_after_binary_output.py

python/fix_terminal_after_binary_output.py

@@ -0,0 +1,33 @@
+#!/usr/bin/env python3
+
+"""
+https://stackoverflow.com/questions/7938402
+Terminal in broken state (invisible text / no echo) after exit() during input() / raw_input()
+"""
+
+import os
+import sys
+import atexit
+import subprocess
+
+def main_inner():
+    # break terminal
+    sys.stdout.buffer.write(os.urandom(1024))
+
+def main():
+    # register the exit handler only in the main function
+    # when main_inner is called from somewhere else
+    # then the caller is responsible for cleanup
+    atexit.register(exit_handler)
+    main_inner()
+
+def exit_handler():
+    # fix terminal after binary output
+    # no. "stty sane" fails to reset the terminal cursor
+    # stty is part of coreutils
+    #subprocess.call(["stty", "sane"])
+    # tput is part of ncurses
+    subprocess.call(["tput", "init"])
+
+if __name__ == "__main__":
+    main()