fix: support environment without std::input to stop recording (#164)

* fix: support environment without std::input to stop recording

Signed-off-by: takeshi.iwanari <take.iwiw2222@gmail.com>

* fix flake8

Signed-off-by: takeshi.iwanari <take.iwiw2222@gmail.com>

---------

Signed-off-by: takeshi.iwanari <take.iwiw2222@gmail.com>

ros2caret/verb/record.py

@@ -15,6 +15,7 @@
 import os
 import signal
 import subprocess
+import time
 
 from typing import Optional
 
@@ -219,7 +220,12 @@ def _run():
             recordable_node_num = node.start(args.verbose, args.recording_frequency)
             while not node.started and recordable_node_num > 0:
                 rclpy.spin_once(node)
-            input('press enter to stop...')
+            try:
+                input('press enter to stop...')
+            except EOFError:
+                print('\nstd::input is not supported in this system. press ctrl-c to stop...')
+                while True:
+                    time.sleep(10)
 
         def _fini():
             node.stop_progress()