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125 lines
4.3 KiB
125 lines
4.3 KiB
#!/usr/bin/env python
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import optparse
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import os
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import re
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import sys
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import shutil
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parser = optparse.OptionParser()
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parser.add_option('--icu-small',
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action='store',
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dest='icusmall',
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default='deps/icu-small',
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help='path to target ICU directory to shrink. Will be deleted.')
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parser.add_option('--icu-src',
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action='store',
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dest='icusrc',
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default='deps/icu',
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help='path to source ICU directory.')
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parser.add_option('--icutmp',
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action='store',
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dest='icutmp',
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default='out/Release/gen/icutmp',
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help='path to icutmp dir.')
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(options, args) = parser.parse_args()
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if os.path.isdir(options.icusmall):
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print 'Deleting existing icusmall %s' % (options.icusmall)
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shutil.rmtree(options.icusmall)
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if not os.path.isdir(options.icusrc):
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print 'Missing source ICU dir --icusrc=%s' % (options.icusrc)
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sys.exit(1)
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ignore_regex = re.compile('^.*\.(vcxproj|filters|nrm|icu|dat|xml|txt|ac|guess|m4|in|sub|py|mak)$')
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def icu_ignore(dir, files):
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subdir = dir[len(options.icusrc)+1::]
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ign = []
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if len(subdir) == 0:
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# remove all files at root level
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ign = ign + files
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# except...
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ign.remove('source')
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if 'LICENSE' in ign:
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ign.remove('LICENSE')
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# license.html will be removed (it's obviated by LICENSE)
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elif 'license.html' in ign:
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ign.remove('license.html')
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elif subdir == 'source':
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ign = ign + ['layout','samples','test','extra','config','layoutex','allinone','data']
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ign = ign + ['runConfigureICU','install-sh','mkinstalldirs','configure']
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elif subdir == 'source/tools':
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ign = ign + ['tzcode','ctestfw','gensprep','gennorm2','gendict','icuswap',
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'genbrk','gencfu','gencolusb','genren','memcheck','makeconv','gencnval','icuinfo','gentest']
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ign = ign + ['.DS_Store', 'Makefile', 'Makefile.in']
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for file in files:
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if ignore_regex.match(file):
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ign = ign + [file]
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# print '>%s< [%s]' % (subdir, ign)
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return ign
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# copied from configure
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def icu_info(icu_full_path):
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uvernum_h = os.path.join(icu_full_path, 'source/common/unicode/uvernum.h')
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if not os.path.isfile(uvernum_h):
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print ' Error: could not load %s - is ICU installed?' % uvernum_h
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sys.exit(1)
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icu_ver_major = None
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matchVerExp = r'^\s*#define\s+U_ICU_VERSION_SHORT\s+"([^"]*)".*'
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match_version = re.compile(matchVerExp)
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for line in open(uvernum_h).readlines():
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m = match_version.match(line)
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if m:
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icu_ver_major = m.group(1)
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if not icu_ver_major:
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print ' Could not read U_ICU_VERSION_SHORT version from %s' % uvernum_h
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sys.exit(1)
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icu_endianness = sys.byteorder[0]; # TODO(srl295): EBCDIC should be 'e'
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return (icu_ver_major, icu_endianness)
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(icu_ver_major, icu_endianness) = icu_info(options.icusrc)
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print "icudt%s%s" % (icu_ver_major, icu_endianness)
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src_datafile = os.path.join(options.icutmp, "icusmdt%s.dat" % (icu_ver_major))
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dst_datafile = os.path.join(options.icusmall, "source","data","in", "icudt%s%s.dat" % (icu_ver_major, icu_endianness))
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if not os.path.isfile(src_datafile):
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print "Could not find source datafile %s - did you build small-icu node?" % src_datafile
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sys.exit(1)
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else:
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print "will use small datafile %s" % (src_datafile)
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print '%s --> %s' % (options.icusrc, options.icusmall)
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shutil.copytree(options.icusrc, options.icusmall, ignore=icu_ignore)
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print '%s --> %s' % (src_datafile, dst_datafile)
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# now, make the data dir (since we ignored it)
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os.mkdir(os.path.join(os.path.join(options.icusmall, "source", "data")))
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os.mkdir(os.path.join(os.path.join(options.icusmall, "source", "data", "in")))
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# OK, now copy the data file
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shutil.copy(src_datafile, dst_datafile)
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# Now, print a short notice
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readme_name = os.path.join(options.icusmall, "README-SMALL-ICU.txt" )
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fi = open(readme_name, 'wb')
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print >>fi, "Small ICU sources - auto generated by shrink-icu-src.py"
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print >>fi, ""
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print >>fi, "This directory contains the ICU subset used by --with-intl=small-icu (the default)"
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print >>fi, "It is a strict subset of ICU %s source files with the following exception(s):" % (icu_ver_major)
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print >>fi, "* %s : Reduced-size data file" % (dst_datafile)
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print >>fi, ""
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print >>fi, ""
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print >>fi, "To rebuild this directory, see ../../tools/icu/README.md"
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print >>fi, ""
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fi.close()
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