language-data/setup.py

#!/usr/bin/env python3
#
# Copyright © 2012 - 2020 Michal Čihař <michal@cihar.com>
#
# This file is part of Weblate Client <https://github.com/WeblateOrg/language-data>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# SOFTWARE.
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import os
from distutils.command.build import build
from distutils.core import Command
from distutils.dep_util import newer
from glob import glob
from itertools import chain

from setuptools import setup
from translate.tools.pocompile import convertmo

LOCALE_MASKS = [
    "weblate_language_data/locale/*/LC_MESSAGES/*.po",
]


class BuildMo(Command):
    description = "update MO files to match PO"
    user_options = []

    def initialize_options(self):
        self.build_base = None

    def finalize_options(self):
        self.set_undefined_options("build", ("build_base", "build_base"))

    def run(self):
        for name in chain.from_iterable(glob(mask) for mask in LOCALE_MASKS):
            output = os.path.splitext(name)[0] + ".mo"
            if not newer(name, output):
                continue
            print(f"compiling {name} -> {output}")
            with open(name) as pofile, open(output, "wb") as mofile:
                convertmo(pofile, mofile, None)


class WeblateBuild(build):
    """Override the default build with new subcommands."""

    # The build_mo has to be before build_data
    sub_commands = [("build_mo", lambda self: True)] + build.sub_commands


setup(
    cmdclass={"build_mo": BuildMo, "build": WeblateBuild},
)