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      1 #!/usr/bin/python
      2 # Copyright (C) 2016 The Android Open Source Project
      3 #
      4 # Licensed under the Apache License, Version 2.0 (the "License");
      5 # you may not use this file except in compliance with the License.
      6 # You may obtain a copy of the License at
      7 #
      8 #      http://www.apache.org/licenses/LICENSE-2.0
      9 #
     10 # Unless required by applicable law or agreed to in writing, software
     11 # distributed under the License is distributed on an "AS IS" BASIS,
     12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13 # See the License for the specific language governing permissions and
     14 # limitations under the License.
     15 #
     16 
     17 import argparse, json, sys
     18 
     19 class MetricsParser(object):
     20   """Executor of this utility"""
     21 
     22   def __init__(self):
     23     self._parser = argparse.ArgumentParser('Parse CTS Test metrics jsons')
     24     self._parser.add_argument('filenames', metavar='filenames', nargs='+',
     25                               help='filenames of metrics jsons to be parsed')
     26     self._metrics = []
     27 
     28   def _ParseArgs(self):
     29     self._args = self._parser.parse_args()
     30 
     31   def _Parse(self, filename):
     32     json_file = open(filename)
     33     json_data = json.load(json_file)
     34     self._metrics.append(json_data)
     35     self._PrintJson(filename, json_data)
     36 
     37   def _PrintJson(self, filename, json_data):
     38     print "\nFilename: %s" % filename
     39     stream_names = json_data.keys()
     40     for stream_name in stream_names:
     41       metrics_list = json_data.get(stream_name)
     42       for metrics in metrics_list:
     43         print "\nStream Name: %s" % stream_name
     44         for key in metrics.keys():
     45           print "Key: %s \t Value: %s" % (key, str(metrics.get(key)))
     46 
     47   def Run(self):
     48     self._ParseArgs()
     49     try:
     50       for filename in self._args.filenames:
     51         self._Parse(filename)
     52     except (IOError, ValueError) as e:
     53       print >> sys.stderr, e
     54       raise KeyboardInterrupt
     55 
     56 if __name__ == '__main__':
     57   MetricsParser().Run()
     58 
     59