src/third_party/blink/Tools/Scripts/export-w3c-performance-wg-tests

#!/usr/bin/env python
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# This script exports newly added tests to the W3C Web Performance WG's test
# suite.
#
# You must have checked out the 'webperf' repository from https://dvcs.w3.org/hg/
#
# This script will export the LayoutTests/http/tests/w3c/submission directory
# to a local 'webperf' repository.
#
# The main step in exporting the tests is updating all of the URLs to account
# for the differences in directory layout.

import os
import shutil
import sys

if len(sys.argv) != 3:
    print 'USAGE: %s path_to_webkit_checkout_root path_to_webperf_checkout_root' % sys.argv[0]
    sys.exit(1)

source_directory = os.path.join(sys.argv[1], 'LayoutTests', 'http', 'tests', 'w3c', 'webperf')
destination_directory = os.path.join(sys.argv[2], 'tests')

directories_to_copy = ['resources', 'submission']
replacements = [
        ('localhost:8000', 'www.w3c-test.org'),   # This is the alternate host for cross-server requests.
        ('127.0.0.1:8000', 'w3c-test.org'),       # This is the primary test server.
        ('w3c/webperf', 'webperf/tests'),         # We prepend /w3c to all of our paths.
        ('/w3c/resources/', '/resources/'),
        ('\n', '\r\n'),                           # Convert from *NIX format.
]

for directory_to_copy in directories_to_copy:
    destination_subdirectory = os.path.join(destination_directory, directory_to_copy)
    if not os.path.exists(destination_subdirectory):
        os.makedirs(destination_subdirectory)
    for root, dirs, files in os.walk(os.path.join(source_directory, directory_to_copy)):
        root = os.path.relpath(root, source_directory)
        for dirname in dirs:
            destination_subdirectory = os.path.join(destination_directory, root, dirname)
            if not os.path.exists(destination_subdirectory):
                os.makedirs(destination_subdirectory)
        for filename in files:
            if filename.endswith('-expected.txt'):
                continue
            with open(os.path.join(source_directory, root, filename), 'r') as in_file:
                with open(os.path.join(destination_directory, root, filename), 'w') as out_file:
                    for line in in_file:
                        for to_find, replace_with in replacements:
                            line = line.replace(to_find, replace_with)
                        out_file.write(line)
                print 'Exported %s' % os.path.join(root, filename)