setup.py 文件源码

def run(self):
        po_dir = os.path.join(os.path.dirname(os.curdir), 'po')
        for path, names, filenames in os.walk(po_dir):
            for f in filenames:
                if f.endswith('.po'):
                    lang = f[:len(f) - 3]
                    src = os.path.join(path, f)
                    dest_path = os.path.join('build', 'locale-langpack',
                                             lang, 'LC_MESSAGES')
                    dest = os.path.join(dest_path, COMPILED_LANGUAGE_FILE)
                    if not os.path.exists(dest_path):
                        os.makedirs(dest_path)
                    if not os.path.exists(dest):
                        print('Compiling %s -> %s' % (src, dest))
                        msgfmt_cmd = 'msgfmt {} -o {}'.format(src, dest)
                        subprocess.call(msgfmt_cmd, shell=True)
                    else:
                        src_mtime = os.stat(src)[8]
                        dest_mtime = os.stat(dest)[8]
                        if src_mtime > dest_mtime:
                            print('Compiling %s -> %s' % (src, dest))
                            msgfmt_cmd = 'msgfmt {} -o {}'.format(src, dest)
                            subprocess.call(msgfmt_cmd, shell=True)