setup_translate.py

# Language extension for distutils Python scripts. Based on this concept:
# http://wiki.maemo.org/Internationalize_a_Python_application
from distutils import cmd
from distutils.command.build import build as _build
import glob
import os

class build_trans(cmd.Command):
    description = 'Compile .po files into .mo files'
    def initialize_options(self):
        pass

    def finalize_options(self):
        pass

    def run(self):
        s = 'po'
        lang_domains = glob.glob(os.path.join(s, '*.pot'))
        if len(lang_domains):
            for lang in os.listdir(s):
                if lang.endswith('.po'):
                    src = os.path.join(s, lang)
                    lang = lang[:-3]
                    destdir = os.path.join('build', 'lib', 'Extensions', 'openHAB', 'locale', lang, 'LC_MESSAGES')
                    if not os.path.exists(destdir):
                        os.makedirs(destdir)
                    for lang_domain in lang_domains:
                        lang_domain = lang_domain.rsplit('/', 1)[1]
                        dest = os.path.join(destdir, lang_domain[:-3] + 'mo')
                        print "Language compile %s -> %s" % (src, dest)
                        if os.system("msgfmt '%s' -o '%s'" % (src, dest)) != 0:
                            raise Exception, "Failed to compile: " + src
        else:
            print "we got no domain -> no translation was compiled"

class build(_build):
    sub_commands = _build.sub_commands + [('build_trans', None)]
    def run(self):
        _build.run(self)

cmdclass = {
    'build': build,
    'build_trans': build_trans,
}