a8f774549e
BUG=skia:2752 NOTRY=True (SkipBuildbotRuns) R=bsalomon@google.com Author: epoger@google.com Review URL: https://codereview.chromium.org/397293002
105 lines
3.3 KiB
Python
Executable File
105 lines
3.3 KiB
Python
Executable File
#!/usr/bin/python
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# Copyright (c) 2014 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Utility to duplicate a config in some subset of our GM expectation files.
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Created for http://skbug.com/2752 ('split existing "gpu" GM results into "gl"
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and "gles"')
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Run with -h to see usage.
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Example command lines:
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copy_config.py gl gles '.*Mac10.7.*'
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TODO(epoger): Once https://codereview.chromium.org/397103003/ is committed,
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we should add a unittest. Until then, we can test this as follows:
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OLD=expectations/gm && NEW=/tmp/expectations && \
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rm -rf $NEW && \
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cp -a $OLD $NEW && \
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gm/copy_config.py 8888 8888-copy '.*Mac10.7.*' \
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--expectations-root $NEW && \
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diff --recursive $OLD $NEW
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"""
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__author__ = 'Elliot Poger'
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import argparse
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import os
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import re
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import gm_json
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DEFAULT_EXPECTATIONS_ROOT = os.path.join(
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os.path.dirname(__file__), os.pardir, 'expectations', 'gm')
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IMAGE_FILENAME_RE = re.compile(gm_json.IMAGE_FILENAME_PATTERN)
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class Copier(object):
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def __init__(self, args):
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"""
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Params:
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args: the Namespace object generated by argparse.parse_args()
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"""
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self._args = args
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def run(self):
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"""Perform all the duplications."""
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for path in self._get_file_list():
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self._duplicate_config(path=path,
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old=self._args.old_config_name,
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new=self._args.new_config_name)
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def _duplicate_config(self, path, old, new):
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"""Duplicates all instances of a config within a GM expectations file.
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Params:
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path: path to file which will be modified in place
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old: old config name
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new: new config name
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"""
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dic = gm_json.LoadFromFile(file_path=path)
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expected_results = dic[gm_json.JSONKEY_EXPECTEDRESULTS]
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orig_keys = expected_results.keys()
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for key in orig_keys:
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result = expected_results[key]
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(testname, config) = IMAGE_FILENAME_RE.match(key).groups()
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if config == old:
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config = new
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key = '%s_%s.png' % (testname, config)
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expected_results[key] = result
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gm_json.WriteToFile(json_dict=dic, file_path=path)
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def _get_file_list(self):
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"""Returns the list of files we want to operate on (the complete path
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to each file)."""
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root = self._args.expectations_root
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regex = re.compile(self._args.builder_name_pattern)
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return [os.path.join(root, builder, 'expected-results.json')
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for builder in os.listdir(root)
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if regex.match(builder)]
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument('old_config_name',
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help=('Config we want to duplicate.'))
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parser.add_argument('new_config_name',
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help=('Name of the new config we want to create.'))
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parser.add_argument('builder_name_pattern',
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help=('Regex pattern describing which builders we want '
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'to make the duplication for; \'.*\' to perform '
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'the duplication on all builders.'))
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parser.add_argument('--expectations-root',
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default=DEFAULT_EXPECTATIONS_ROOT,
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help=('Root of the GM expectations dir; defaults to '
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'%(default)s'))
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args = parser.parse_args()
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copier = Copier(args)
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copier.run()
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if __name__ == '__main__':
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main()
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