#!/usr/bin/python -B
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"""Regenerates (just) ICU data source files used to build ICU data files."""
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from __future__ import print_function
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import os
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import pipes
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import shutil
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import subprocess
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import sys
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import i18nutil
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import icuutil
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# Run with no arguments from any directory, with no special setup required.
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# See icu4c/source/data/cldr-icu-readme.txt for the upstream ICU instructions.
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def main():
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cldr_dir = icuutil.cldrDir()
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print('Found cldr in %s ...' % cldr_dir)
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icu_dir = icuutil.icuDir()
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print('Found icu in %s ...' % icu_dir)
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# Ant doesn't have any mechanism for using a build directory separate from the
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# source directory so this build script creates a temporary directory and then
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# copies all necessary ICU4J and CLDR source code to here before building it:
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i18nutil.SwitchToNewTemporaryDirectory()
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print('Copying ICU4J source code ...')
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shutil.copytree(os.path.join(icu_dir, 'icu4j'), 'icu4j', True)
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print('Building ICU4J ...')
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subprocess.check_call([
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'ant',
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'-f', 'icu4j/build.xml',
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'jar',
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'cldrUtil',
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])
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# Append the newly built JAR files to the Java CLASSPATH to use these instead
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# of the pre-built JAR files in the CLDR source tree, to ensure that the same
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# version of ICU is being used to build the data as will use the data:
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cp = []
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try:
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cp.append(os.environ['CLASSPATH'])
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except KeyError:
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pass
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cp.append('icu4j/icu4j.jar')
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cp.append('icu4j/out/cldr_util/lib/utilities.jar')
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os.environ['CLASSPATH'] = ':'.join(cp)
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# This is the location of the original CLDR source tree (not the temporary
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# copy of the tools source code) from where the data files are to be read:
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os.environ['CLDR_DIR'] = cldr_dir
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print('Copying CLDR source code ...')
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shutil.copytree(os.path.join(cldr_dir, 'tools/java'), 'cldr-tools-java', True)
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print('Building CLDR tools ...')
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subprocess.check_call([
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'ant',
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'-f', 'cldr-tools-java/build.xml',
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'tool',
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'AddPseudolocales',
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])
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# This is the temporary directory in which the CLDR tools have been built:
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os.environ['CLDR_CLASSES'] = os.path.join(
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os.getcwd(), 'cldr-tools-java/classes')
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# It's essential to set CLDR_DTD_CACHE for otherwise the repeated requests for
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# the same file will cause the unicode.org web server to block this machine:
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os.makedirs('cldr-dtd-cache')
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os.environ['ANT_OPTS'] = '-DCLDR_DTD_CACHE=%s' % pipes.quote(os.path.join(
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os.getcwd(), 'cldr-dtd-cache'))
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print('Building ICU data source files ...')
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subprocess.check_call([
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'ant',
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'-f', os.path.join(icu_dir, 'icu4c/source/data/build.xml'),
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'clean',
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'all',
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])
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print('Look in %s/icu4c/source/data for new data source files' % icu_dir)
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sys.exit(0)
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if __name__ == '__main__':
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main()
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