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author | Marco Capitani <m.capitani@nextworks.it> | 2017-11-13 12:18:55 +0100 |
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committer | Sander Vrijders <sander.vrijders@ugent.be> | 2017-11-13 15:48:27 +0000 |
commit | 510bb2116ea3e6c0d2559fe1b0c465f010d74bfb (patch) | |
tree | 4f1d56841da5e01398557b33e209b58317ab5227 /examples/snake.py | |
parent | 9d15d1117c80ee9313d0dc391488efb9bb060a4a (diff) | |
download | rumba-510bb2116ea3e6c0d2559fe1b0c465f010d74bfb.tar.gz rumba-510bb2116ea3e6c0d2559fe1b0c465f010d74bfb.zip |
utils, examples: Add ExperimentManager CM
Adds an ExperimentManager context manager for scripts:
- No more ugly stack traces after execution if something goes wrong
- No more ugly and easy to forget try-finally blocks
Diffstat (limited to 'examples/snake.py')
-rwxr-xr-x | examples/snake.py | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/examples/snake.py b/examples/snake.py index c6b67b3..6f9c48d 100755 --- a/examples/snake.py +++ b/examples/snake.py @@ -3,6 +3,7 @@ # An example script using the rumba package from rumba.model import * +from rumba.utils import ExperimentManager # import testbed plugins import rumba.testbeds.emulab as emulab @@ -18,6 +19,7 @@ import rumba.prototypes.irati as irati import argparse import sys + description = "Script to create a snake" argparser = argparse.ArgumentParser(description = description) @@ -62,8 +64,6 @@ exp = rl.Experiment(tb, nodes = nodes) print(exp) -try: +with ExperimentManager(exp): exp.swap_in() exp.bootstrap_prototype() -finally: - exp.swap_out() |