update_40.py 1.3 KB

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  1. #!/usr/bin/env python3
  2. # Contest Management System - http://cms-dev.github.io/
  3. # Copyright © 2018 Luca Wehrstedt <luca.wehrstedt@gmail.com>
  4. #
  5. # This program is free software: you can redistribute it and/or modify
  6. # it under the terms of the GNU Affero General Public License as
  7. # published by the Free Software Foundation, either version 3 of the
  8. # License, or (at your option) any later version.
  9. #
  10. # This program is distributed in the hope that it will be useful,
  11. # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12. # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13. # GNU Affero General Public License for more details.
  14. #
  15. # You should have received a copy of the GNU Affero General Public License
  16. # along with this program. If not, see <http://www.gnu.org/licenses/>.
  17. """A class to update a dump created by CMS.
  18. Used by DumpImporter and DumpUpdater.
  19. This updater changes the unit of the memory limit from MiB to bytes.
  20. """
  21. class Updater(object):
  22. def __init__(self, data):
  23. assert data["_version"] == 39
  24. self.objs = data
  25. def run(self):
  26. for k, v in self.objs.items():
  27. if k.startswith("_"):
  28. continue
  29. if v["_class"] == "Dataset":
  30. if v.get("memory_limit") is not None:
  31. v["memory_limit"] *= 1024 * 1024
  32. return self.objs