Use wait_for_service #185
Use wait_for_service #185
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| # wait for connection to be established | ||
| # (no wait for service in Python yet) | ||
| time.sleep(1) | ||
| cli.wait_for_service() |
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Now that I've approved it 😄, I noticed that this will block forever. If you look at the C++ version it will do wait_for_service for say a second, then loop with a message like "still waiting for service..."
Not required, just an idea to exercise the timeout and return value.
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Rebased onto master. I think this can be merged now that ros2/rclpy#161 has been merged. I'll merge it before the end of the day to give time for objections. |
mikaelarguedas
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lgtm
I'll leave @dhood the opportunity to comment as I don't know if there is pending work to convert these to use the loggers rather than printing to console like it's been done for the demos
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logging can be updated in another pass, it will touch other lines/files
Replace sleep calls with calls to wait_for_service(). Labeled in-progress because it requires ros2/rclpy#127 to be merged first.