gecko-dev/intl/icu_sources_data.py

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#!/usr/bin/env python
#
# Any copyright is dedicated to the Public Domain.
# http://creativecommons.org/publicdomain/zero/1.0/
#
# Generate SOURCES in sources.mozbuild files from ICU's Makefile.in
# files, and also build a standalone copy of ICU using its build
# system to generate a new copy of the in-tree ICU data file.
#
# This script expects to be run from `update-icu.sh` after the in-tree
# copy of ICU has been updated.
from __future__ import print_function
import glob
import os
import shutil
import subprocess
import sys
import tempfile
def find_source_file(dir, filename):
base = os.path.splitext(filename)[0]
for ext in ('.cpp', '.c'):
f = os.path.join(dir, base + ext)
if os.path.isfile(f):
return f
raise Exception("Couldn't find source file for: %s" % filename)
def get_sources_from_makefile(makefile):
import pymake.parser
from pymake.parserdata import SetVariable
srcdir = os.path.dirname(makefile)
for statement in pymake.parser.parsefile(makefile):
if (isinstance(statement, SetVariable) and
statement.vnameexp.is_static_string and
statement.vnameexp.s == 'OBJECTS'):
return sorted((find_source_file(srcdir, s)
for s in statement.value.split()),
key=lambda x: x.lower())
def write_sources(mozbuild, sources):
with open(mozbuild, 'wb') as f:
f.write('# THIS FILE IS GENERATED BY /intl/icu_sources_data.py ' +
'DO NOT EDIT\n' +
'SOURCES += [\n')
f.write(''.join(" '/%s',\n" % s for s in sources))
f.write(']\n')
def update_sources(topsrcdir):
print('Updating ICU sources lists...')
sys.path.append(os.path.join(topsrcdir, 'build/pymake'))
for d in ['common', 'i18n']:
makefile = os.path.join(topsrcdir,
'intl/icu/source/%s/Makefile.in' % d)
mozbuild = os.path.join(topsrcdir,
'config/external/icu/%s/sources.mozbuild' % d)
sources = [os.path.relpath(s, topsrcdir)
for s in get_sources_from_makefile(makefile)]
write_sources(mozbuild, sources)
def try_run(name, command, cwd=None, **kwargs):
with tempfile.NamedTemporaryFile(prefix=name, delete=False) as f:
if subprocess.call(command,
stdout=f,
stderr=subprocess.STDOUT,
cwd=cwd,
**kwargs) == 0:
os.unlink(f.name)
return True
print('''Error running "{}" in directory {}
See output in {}'''.format(' '.join(command), cwd, f.name),
file=sys.stderr)
return False
def get_data_file(data_dir):
files = glob.glob(os.path.join(data_dir, 'icudt*.dat'))
return files[0] if files else None
def update_data_file(topsrcdir):
objdir = tempfile.mkdtemp(prefix='icu-obj-')
configure = os.path.join(topsrcdir, 'intl/icu/source/configure')
env = dict(os.environ)
# bug 1262101 - these should be shared with the moz.build files
env.update({
'CPPFLAGS': ('-DU_NO_DEFAULT_INCLUDE_UTF_HEADERS=1 ' +
'-DUCONFIG_NO_LEGACY_CONVERSION ' +
'-DUCONFIG_NO_TRANSLITERATION ' +
'-DUCONFIG_NO_REGULAR_EXPRESSIONS ' +
'-DUCONFIG_NO_BREAK_ITERATION ' +
'-DU_CHARSET_IS_UTF8')
})
print('Running ICU configure...')
if not try_run(
'icu-configure',
[configure,
'--with-data-packaging=archive',
'--enable-static',
'--disable-shared',
'--disable-extras',
'--disable-icuio',
'--disable-layout',
'--disable-tests',
'--disable-samples',
'--disable-strict'],
cwd=objdir,
env=env):
return False
print('Running ICU make...')
if not try_run('icu-make', ['make'], cwd=objdir):
return False
print('Copying ICU data file...')
tree_data_path = os.path.join(topsrcdir,
'config/external/icu/data/')
old_data_file = get_data_file(tree_data_path)
if not old_data_file:
print('Error: no ICU data file in %s' % tree_data_path,
file=sys.stderr)
return False
new_data_file = get_data_file(os.path.join(objdir, 'data/out'))
if not new_data_file:
print('Error: no ICU data in ICU objdir', file=sys.stderr)
return False
if os.path.basename(old_data_file) != os.path.basename(new_data_file):
# Data file name has the major version number embedded.
os.unlink(old_data_file)
shutil.copy(new_data_file, tree_data_path)
shutil.rmtree(objdir)
return True
def main():
if len(sys.argv) != 2:
print('Usage: icu_sources_data.py <mozilla topsrcdir>',
file=sys.stderr)
sys.exit(1)
topsrcdir = os.path.abspath(sys.argv[1])
update_sources(topsrcdir)
if not update_data_file(topsrcdir):
print('Error updating ICU data file', file=sys.stderr)
sys.exit(1)
if __name__ == '__main__':
main()