86 lines
3.7 KiB
Python
Executable File
86 lines
3.7 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright (C) 2019 Igalia S.L.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
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# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import os
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import sys
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import optparse
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from webkitpy.common.host import Host
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from webkitpy.port.base import Port
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import logging
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from webkitpy.common.system.logutils import configure_logging
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_log = logging.getLogger(os.path.basename(__file__))
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configure_logging(logging.INFO)
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option_parser = optparse.OptionParser(usage='usage: %prog [options] [imageA] [imageB]')
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option_parser.add_option('--tolerance', action='store', dest='tolerance',
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help='Tolerance percent. Defaults to 0.1')
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option_parser.add_option('--platform', action='store',
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help='Platform to use (e.g., "gtk")')
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option_parser.add_option('--gtk', action='store_const', dest='platform', const='gtk',
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help='Alias for --platform=gtk')
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option_parser.add_option('--wpe', action='store_const', dest='platform', const='wpe',
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help='Alias for --platform=wpe')
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option_parser.add_option('--release', action='store_const', const='Release', dest="configuration",
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help='Set the configuration to Release')
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option_parser.add_option('--debug', action='store_const', const='Debug', dest="configuration",
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help='Set the configuration to Release')
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option_parser.add_option('--writediff', action='store', dest="destfile",
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help='Write the resulting image diff to DESTFILE')
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options, args = option_parser.parse_args()
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if len(args) < 2:
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_log.error("Incorrect number of arguments. At least the path to two images is needed")
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sys.exit(1)
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with open(args[0], mode='rb') as file:
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imageContentA = file.read()
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with open(args[1], mode='rb') as file:
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imageContentB = file.read()
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try:
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port = Host().port_factory.get(options.platform, options)
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except NotImplementedError as e:
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_log.error(str(e))
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sys.exit(1)
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image_diff, diff_percent, error = port.diff_image(imageContentA, imageContentB, options.tolerance)
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if error is not None:
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_log.error("ImageDiff returned the following error: %s" % error)
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sys.exit(1)
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_log.info("The tolerance used is: %s" % options.tolerance)
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_log.info("The diff between the two images is: %s" % diff_percent)
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if options.destfile:
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if image_diff is not None:
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with open(options.destfile, mode='wb') as file:
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file.write(image_diff)
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_log.info("Wrote diff image to %s" % options.destfile)
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else:
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_log.warning("Not writing empty diff image")
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