src/ci/docker/x86_64-gnu-tools/checkregression.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3
   4 import sys
   5 import json
   6
   7 # Regressions for these tools does not cause failure
   8 REGRESSION_OK = ["rustc-guide", "miri"]
   9
  10 if __name__ == '__main__':
  11     os_name = sys.argv[1]
  12     toolstate_file = sys.argv[2]
  13     current_state = sys.argv[3]
  14     verb = sys.argv[4] # 'regressed' or 'changed'
  15
  16     with open(toolstate_file, 'r') as f:
  17         toolstate = json.load(f)
  18     with open(current_state, 'r') as f:
  19         current = json.load(f)
  20
  21     regressed = False
  22     for cur in current:
  23         tool = cur['tool']
  24         state = cur[os_name]
  25         new_state = toolstate.get(tool, '')
  26         if verb == 'regressed':
  27             updated = new_state < state
  28         elif verb == 'changed':
  29             updated = new_state != state
  30         else:
  31             print('Unknown verb {}'.format(updated))
  32             sys.exit(2)
  33         if updated:
  34             print(
  35                 'The state of "{}" has {} from "{}" to "{}"'
  36                 .format(tool, verb, state, new_state)
  37             )
  38             if tool not in REGRESSION_OK:
  39                 regressed = True
  40
  41     if regressed:
  42         sys.exit(1)