bincaller.py 文件源码

def get_lilypond_bin_path(self):
        config = configparser.SafeConfigParser()
        lily_cfgfile = os.path.join(os.path.dirname(os.path.abspath(__file__)),
                                    'config', 'lilypond.cfg')
        config.read(lily_cfgfile)

        # check custom
        lilypath = config.get('custom', 'custom')

        # linux path might be given with $HOME; convert it to the real path
        lilypath = lilypath.replace('$HOME', os.path.expanduser('~'))

        if lilypath:
            assert os.path.exists(lilypath), \
                'The lilypond path is not found. Please correct the custom ' \
                'section in "tomato/config/lilypond.cfg".'
        else:  # defaults
            lilypath = config.defaults()[self.sys_os]

            assert (os.path.exists(lilypath) or
                    self.call('"which" "{0:s}"'.format(lilypath))[0]), \
                'The lilypond path is not found. Please correct the custom ' \
                'section in "tomato/config/lilypond.cfg".'

        return lilypath