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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.
import glob
import multiprocessing
import os
import shutil
import subprocess
import sys
import tempfile
from mozpack import path as mozpath
# The following files have been determined to be dead/unused by a
# semi-automated analysis. You can just remove any of the files below
# if you need them. However, files marked with a "Cluster" comment
# can only be removed together, as they have (directional) dependencies.
# If you want to rerun this analysis, contact :decoder.
UNUSED_SOURCES = set(
[
"intl/icu/source/common/bytestrieiterator.cpp",
"intl/icu/source/common/cstr.cpp",
"intl/icu/source/common/cwchar.cpp",
"intl/icu/source/common/icudataver.cpp",
"intl/icu/source/common/icuplug.cpp",
"intl/icu/source/common/pluralmap.cpp",
"intl/icu/source/common/ucat.cpp",
"intl/icu/source/common/ucnv2022.cpp",
"intl/icu/source/common/ucnv_ct.cpp",
"intl/icu/source/common/ucnvdisp.cpp",
"intl/icu/source/common/ucnv_ext.cpp",
"intl/icu/source/common/ucnvhz.cpp",
"intl/icu/source/common/ucnvisci.cpp",
"intl/icu/source/common/ucnv_lmb.cpp",
"intl/icu/source/common/ucnvmbcs.cpp",
"intl/icu/source/common/uidna.cpp",
"intl/icu/source/common/unorm.cpp",
"intl/icu/source/common/usc_impl.cpp",
"intl/icu/source/common/ustr_wcs.cpp",
"intl/icu/source/common/util_props.cpp",
"intl/icu/source/i18n/anytrans.cpp",
"intl/icu/source/i18n/brktrans.cpp",
"intl/icu/source/i18n/casetrn.cpp",
"intl/icu/source/i18n/cpdtrans.cpp",
"intl/icu/source/i18n/esctrn.cpp",
"intl/icu/source/i18n/fmtable_cnv.cpp",
"intl/icu/source/i18n/funcrepl.cpp",
"intl/icu/source/i18n/gender.cpp",
"intl/icu/source/i18n/name2uni.cpp",
"intl/icu/source/i18n/nortrans.cpp",
"intl/icu/source/i18n/nultrans.cpp",
"intl/icu/source/i18n/quant.cpp",
"intl/icu/source/i18n/rbt.cpp",
"intl/icu/source/i18n/rbt_data.cpp",
"intl/icu/source/i18n/rbt_pars.cpp",
"intl/icu/source/i18n/rbt_rule.cpp",
"intl/icu/source/i18n/rbt_set.cpp",
"intl/icu/source/i18n/regexcmp.cpp",
"intl/icu/source/i18n/regeximp.cpp",
"intl/icu/source/i18n/regexst.cpp",
"intl/icu/source/i18n/regextxt.cpp",
"intl/icu/source/i18n/rematch.cpp",
"intl/icu/source/i18n/remtrans.cpp",
"intl/icu/source/i18n/repattrn.cpp",
"intl/icu/source/i18n/scientificnumberformatter.cpp",
"intl/icu/source/i18n/strmatch.cpp",
"intl/icu/source/i18n/strrepl.cpp",
"intl/icu/source/i18n/titletrn.cpp",
"intl/icu/source/i18n/tolowtrn.cpp",
"intl/icu/source/i18n/toupptrn.cpp",
"intl/icu/source/i18n/translit.cpp",
"intl/icu/source/i18n/transreg.cpp",
"intl/icu/source/i18n/tridpars.cpp",
"intl/icu/source/i18n/unesctrn.cpp",
"intl/icu/source/i18n/uni2name.cpp",
"intl/icu/source/i18n/uregexc.cpp",
"intl/icu/source/i18n/uregex.cpp",
"intl/icu/source/i18n/uregion.cpp",
"intl/icu/source/i18n/uspoof_build.cpp",
"intl/icu/source/i18n/uspoof_conf.cpp",
"intl/icu/source/i18n/utrans.cpp",
"intl/icu/source/i18n/vzone.cpp",
"intl/icu/source/i18n/zrule.cpp",
"intl/icu/source/i18n/ztrans.cpp",
# Cluster
"intl/icu/source/common/resbund_cnv.cpp",
"intl/icu/source/common/ures_cnv.cpp",
# Cluster
"intl/icu/source/common/propsvec.cpp",
"intl/icu/source/common/ucnvsel.cpp",
"intl/icu/source/common/ucnv_set.cpp",
# Cluster
"intl/icu/source/common/ubiditransform.cpp",
"intl/icu/source/common/ushape.cpp",
# Cluster
"intl/icu/source/i18n/csdetect.cpp",
"intl/icu/source/i18n/csmatch.cpp",
"intl/icu/source/i18n/csr2022.cpp",
"intl/icu/source/i18n/csrecog.cpp",
"intl/icu/source/i18n/csrmbcs.cpp",
"intl/icu/source/i18n/csrsbcs.cpp",
"intl/icu/source/i18n/csrucode.cpp",
"intl/icu/source/i18n/csrutf8.cpp",
"intl/icu/source/i18n/inputext.cpp",
"intl/icu/source/i18n/ucsdet.cpp",
# Cluster
"intl/icu/source/i18n/alphaindex.cpp",
"intl/icu/source/i18n/ulocdata.cpp",
]
)
def ensure_source_file_exists(dir, filename):
f = mozpath.join(dir, filename)
if os.path.isfile(f):
return f
raise Exception("Couldn't find source file for: %s" % filename)
def get_sources(sources_file):
srcdir = os.path.dirname(sources_file)
with open(sources_file) as f:
return sorted(
(ensure_source_file_exists(srcdir, name.strip()) for name in f),
key=lambda x: x.lower(),
)
def list_headers(path):
result = []
for name in os.listdir(path):
f = mozpath.join(path, name)
if os.path.isfile(f):
result.append(f)
return sorted(result, key=lambda x: x.lower())
def write_sources(mozbuild, sources, headers):
with open(mozbuild, "w", newline="\n", encoding="utf-8") as f:
f.write(
"# THIS FILE IS GENERATED BY /intl/icu_sources_data.py " + "DO NOT EDIT\n"
)
def write_list(name, content):
if content:
f.write("%s %s [\n" % (name, "=" if name.islower() else "+="))
f.write("".join(" '/%s',\n" % s for s in content))
f.write("]\n")
write_list("sources", [s for s in sources if s not in UNUSED_SOURCES])
write_list("other_sources", [s for s in sources if s in UNUSED_SOURCES])
write_list("EXPORTS.unicode", headers)
def update_sources(topsrcdir):
print("Updating ICU sources lists...")
for d in ["common", "i18n", "tools/toolutil", "tools/icupkg"]:
base_path = mozpath.join(topsrcdir, "intl/icu/source/%s" % d)
sources_file = mozpath.join(base_path, "sources.txt")
mozbuild = mozpath.join(
topsrcdir, "config/external/icu/%s/sources.mozbuild" % mozpath.basename(d)
)
sources = [mozpath.relpath(s, topsrcdir) for s in get_sources(sources_file)]
unicode_dir = mozpath.join(base_path, "unicode")
if os.path.exists(unicode_dir):
headers = [
mozpath.normsep(os.path.relpath(s, topsrcdir))
for s in list_headers(unicode_dir)
]
else:
headers = None
write_sources(mozbuild, sources, headers)
def try_run(name, command, cwd=None, **kwargs):
try:
with tempfile.NamedTemporaryFile(prefix=name, delete=False) as f:
subprocess.check_call(
command, cwd=cwd, stdout=f, stderr=subprocess.STDOUT, **kwargs
)
except subprocess.CalledProcessError:
print(
"""Error running "{}" in directory {}
See output in {}""".format(
" ".join(command), cwd, f.name
),
file=sys.stderr,
)
return False
else:
os.unlink(f.name)
return True
def get_data_file(data_dir):
files = glob.glob(mozpath.join(data_dir, "icudt*.dat"))
return files[0] if files else None
def update_data_file(topsrcdir):
objdir = tempfile.mkdtemp(prefix="icu-obj-")
configure = mozpath.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 "
+ "-DU_HIDE_OBSOLETE_UTF_OLD_H=1"
+ "-DUCONFIG_NO_LEGACY_CONVERSION "
+ "-DUCONFIG_NO_TRANSLITERATION "
+ "-DUCONFIG_NO_REGULAR_EXPRESSIONS "
+ "-DUCONFIG_NO_BREAK_ITERATION "
+ "-DU_CHARSET_IS_UTF8"
)
}
)
# Exclude data that we currently don't need.
#
# The file format for ICU's data build tool is described at
# <https://github.com/unicode-org/icu/blob/master/docs/userguide/icu_data/buildtool.md>.
env["ICU_DATA_FILTER_FILE"] = mozpath.join(topsrcdir, "intl/icu/data_filter.json")
print("Running ICU configure...")
if not try_run(
"icu-configure",
[
"sh",
configure,
"--with-data-packaging=archive",
"--enable-static",
"--disable-shared",
"--disable-extras",
"--disable-icuio",
"--disable-layout",
"--disable-layoutex",
"--disable-tests",
"--disable-samples",
"--disable-strict",
],
cwd=objdir,
env=env,
):
return False
print("Running ICU make...")
if not try_run(
"icu-make",
["make", "--jobs=%d" % multiprocessing.cpu_count(), "--output-sync"],
cwd=objdir,
):
return False
print("Copying ICU data file...")
tree_data_path = mozpath.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(mozpath.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)
try:
shutil.rmtree(objdir)
except Exception:
print("Warning: failed to remove %s" % objdir, file=sys.stderr)
return True
def main():
if len(sys.argv) != 2:
print("Usage: icu_sources_data.py <mozilla topsrcdir>", file=sys.stderr)
sys.exit(1)
topsrcdir = mozpath.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()
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