forked from OSchip/llvm-project
71 lines
2.0 KiB
Python
Executable File
71 lines
2.0 KiB
Python
Executable File
#!/usr/bin/env python2.7
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from __future__ import print_function
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desc = '''Generate the difference of two YAML files into a new YAML file (works on
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pair of directories too). A new attribute 'Added' is set to True or False
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depending whether the entry is added or removed from the first input to the
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next.
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The tools requires PyYAML.'''
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import yaml
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# Try to use the C parser.
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try:
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from yaml import CLoader as Loader
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except ImportError:
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from yaml import Loader
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import optrecord
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import argparse
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from collections import defaultdict
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from multiprocessing import cpu_count, Pool
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import os, os.path
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import fnmatch
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def find_files(dir_or_file):
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if os.path.isfile(dir_or_file):
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return [dir_or_file]
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all = []
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for dir, subdirs, files in os.walk(dir_or_file):
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for file in files:
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if fnmatch.fnmatch(file, "*.opt.yaml"):
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all.append( os.path.join(dir, file))
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return all
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if __name__ == '__main__':
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parser = argparse.ArgumentParser(description=desc)
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parser.add_argument('yaml_dir_or_file_1')
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parser.add_argument('yaml_dir_or_file_2')
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parser.add_argument(
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'--jobs',
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'-j',
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default=cpu_count(),
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type=int,
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help='Max job count (defaults to current CPU count)')
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parser.add_argument('--output', '-o', default='diff.opt.yaml')
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args = parser.parse_args()
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if args.jobs == 1:
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pmap = map
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else:
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pool = Pool(processes=args.jobs)
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pmap = pool.map
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files1 = find_files(args.yaml_dir_or_file_1)
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files2 = find_files(args.yaml_dir_or_file_2)
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all_remarks1, _, _ = optrecord.gather_results(pmap, files1)
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all_remarks2, _, _ = optrecord.gather_results(pmap, files2)
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added = set(all_remarks2.values()) - set(all_remarks1.values())
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removed = set(all_remarks1.values()) - set(all_remarks2.values())
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for r in added:
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r.Added = True
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for r in removed:
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r.Added = False
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stream = file(args.output, 'w')
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yaml.dump_all(added | removed, stream)
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