1 #!/usr/bin/python 2 3 ''' 4 Copyright 2013 Google Inc. 5 6 Use of this source code is governed by a BSD-style license that can be 7 found in the LICENSE file. 8 ''' 9 10 ''' 11 Rewrites a JSON file to use Python's standard JSON pretty-print format, 12 so that subsequent runs of rebaseline.py will generate useful diffs 13 (only the actual checksum differences will show up as diffs, not obscured 14 by format differences). 15 16 Should not modify the JSON contents in any meaningful way. 17 ''' 18 19 # System-level imports 20 import argparse 21 import os 22 import sys 23 24 # Imports from within Skia 25 # 26 # We need to add the 'gm' directory, so that we can import gm_json.py within 27 # that directory. That script allows us to parse the actual-results.json file 28 # written out by the GM tool. 29 # Make sure that the 'gm' dir is in the PYTHONPATH, but add it at the *end* 30 # so any dirs that are already in the PYTHONPATH will be preferred. 31 # 32 # This assumes that the 'gm' directory has been checked out as a sibling of 33 # the 'tools' directory containing this script, which will be the case if 34 # 'trunk' was checked out as a single unit. 35 GM_DIRECTORY = os.path.realpath( 36 os.path.join(os.path.dirname(os.path.dirname(__file__)), 'gm')) 37 if GM_DIRECTORY not in sys.path: 38 sys.path.append(GM_DIRECTORY) 39 import gm_json 40 41 def Reformat(filename): 42 print 'Reformatting file %s...' % filename 43 gm_json.WriteToFile(gm_json.LoadFromFile(filename), filename) 44 45 def _Main(): 46 parser = argparse.ArgumentParser(description='Reformat JSON files in-place.') 47 parser.add_argument('filenames', metavar='FILENAME', nargs='+', 48 help='file to reformat') 49 args = parser.parse_args() 50 for filename in args.filenames: 51 Reformat(filename) 52 sys.exit(0) 53 54 if __name__ == '__main__': 55 _Main() 56
