#! pythonimport osimport sys __version_info = {} # keep a reference to parse VERSION once def get_version_info():    # read from VERSION    # return dictionary filled with content of version    if not __version_info:        this_file_dir = os.path.dirname(os.path.abspath(__file__))        version_file = os.path.join(this_file_dir, 'VERSION')         if not os.path.isfile(version_file):            raise SystemError("VERSION file not found.")         for l in open(version_file).readlines():            if l.startswith('AUBIO_MAJOR_VERSION'):                __version_info['AUBIO_MAJOR_VERSION'] = int(l.split('=')[1])            if l.startswith('AUBIO_MINOR_VERSION'):                __version_info['AUBIO_MINOR_VERSION'] = int(l.split('=')[1])            if l.startswith('AUBIO_PATCH_VERSION'):                __version_info['AUBIO_PATCH_VERSION'] = int(l.split('=')[1])            if l.startswith('AUBIO_VERSION_STATUS'):                __version_info['AUBIO_VERSION_STATUS'] = \                    l.split('=')[1].strip()[1:-1]             if l.startswith('LIBAUBIO_LT_CUR'):                __version_info['LIBAUBIO_LT_CUR'] = int(l.split('=')[1])            if l.startswith('LIBAUBIO_LT_REV'):                __version_info['LIBAUBIO_LT_REV'] = int(l.split('=')[1])            if l.startswith('LIBAUBIO_LT_AGE'):                __version_info['LIBAUBIO_LT_AGE'] = int(l.split('=')[1])         if len(__version_info) < 6:            raise SystemError("Failed parsing VERSION file.")         # switch version status with commit sha in alpha releases        if __version_info['AUBIO_VERSION_STATUS'] and \                '~alpha' in __version_info['AUBIO_VERSION_STATUS']:            AUBIO_GIT_SHA = get_git_revision_hash()            if AUBIO_GIT_SHA:                __version_info['AUBIO_VERSION_STATUS'] = '~git+' + AUBIO_GIT_SHA     return __version_info def get_libaubio_version():    verfmt = '%(LIBAUBIO_LT_CUR)s.%(LIBAUBIO_LT_REV)s.%(LIBAUBIO_LT_AGE)s'    return str(verfmt % get_version_info()) def get_aubio_version():    verfmt = '%(AUBIO_MAJOR_VERSION)s.%(AUBIO_MINOR_VERSION)s.%(AUBIO_PATCH_VERSION)s%(AUBIO_VERSION_STATUS)s'    return str(verfmt % get_version_info()) def get_aubio_pyversion():    # convert to version for python according to pep 440    # see https://www.python.org/dev/peps/pep-0440/    # outputs MAJ.MIN.PATCH[a0[+git.<sha>[.mods]]]    aubio_version = get_aubio_version()    if '~git+' in aubio_version:        pep440str = aubio_version.replace('+', '.')        verstr = pep440str.replace('~git.', 'a0+')    elif '~alpha' in aubio_version:        verstr = aubio_version.replace('~alpha', 'a0')    else:        verstr = aubio_version    return verstr def get_git_revision_hash(short=True):    # get commit id, with +mods if local tree is not clean    if not os.path.isdir('.git'):        # print('Version : not in git repository : can\'t get sha')        return None    import subprocess    aubio_dir = os.path.dirname(os.path.abspath(__file__))    if not os.path.exists(aubio_dir):        raise SystemError("git / root folder not found")    gitcmd = ['git', '-C', aubio_dir, 'rev-parse']    if short:        gitcmd.append('--short')    gitcmd.append('HEAD')    try:        gitsha = subprocess.check_output(gitcmd).strip().decode('utf8')    except Exception as e:        sys.stderr.write('git command error :%s\n' % e)        return None    # check if we have a clean tree    gitcmd = ['git', '-C', aubio_dir, 'status', '--porcelain']    try:        output = subprocess.check_output(gitcmd).decode('utf8')        if len(output):            sys.stderr.write('Info: current tree is not clean\n\n')            sys.stderr.write(output + '\n')            gitsha += '+mods'    except subprocess.CalledProcessError as e:        sys.stderr.write('git command error :%s\n' % e)        pass    return gitsha if __name__ == '__main__':    if len(sys.argv) > 1 and sys.argv[1] == '-v':        print (get_aubio_version())    elif len(sys.argv) > 1 and sys.argv[1] == '-p':        print (get_aubio_version())    else:        print ('%30s'% 'aubio version:', get_aubio_version())        print ('%30s'% 'python-aubio version:', get_aubio_pyversion())