charts.py 2.4 KB

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  1. # Copyright (C) 2013 Google Inc. All rights reserved.
  2. #
  3. # Redistribution and use in source and binary forms, with or without
  4. # modification, are permitted provided that the following conditions are
  5. # met:
  6. #
  7. # * Redistributions of source code must retain the above copyright
  8. # notice, this list of conditions and the following disclaimer.
  9. # * Redistributions in binary form must reproduce the above
  10. # copyright notice, this list of conditions and the following disclaimer
  11. # in the documentation and/or other materials provided with the
  12. # distribution.
  13. # * Neither the name of Google Inc. nor the names of its
  14. # contributors may be used to endorse or promote products derived from
  15. # this software without specific prior written permission.
  16. #
  17. # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  18. # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  19. # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  20. # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  21. # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  22. # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  23. # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  24. # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  25. # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26. # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  27. # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28. patch_log_limit = 500
  29. # All units are represented numerically as seconds.
  30. one_minute = 60.0
  31. one_hour = one_minute * 60.0
  32. one_day = one_hour * 24.0
  33. one_month = one_day * 30.0
  34. # How far back to view the history, specified in seconds.
  35. view_range_choices = [
  36. {"name": "1 day", "view_range": one_day},
  37. {"name": "1 week", "view_range": one_day * 7},
  38. {"name": "1 month", "view_range": one_month},
  39. ]
  40. default_view_range = one_day
  41. _time_units = [
  42. #(threshold, time unit, name)
  43. (0, one_hour, "hours"),
  44. (4 * one_day, one_day, "days"),
  45. (3 * one_month, one_month, "months"),
  46. ]
  47. def get_time_unit(view_range):
  48. current_threshold, current_time_unit, current_name = _time_units[0]
  49. for threshold, time_unit, name in _time_units[1:]:
  50. if view_range >= threshold:
  51. current_time_unit, current_name = time_unit, name
  52. else:
  53. break
  54. return current_time_unit, current_name