def tuning(ed, params):
if len(params) == 1:
pass
elif len(params) == 2:
# standard E shifted
shift = int(params[1])
ed.tab.tuning = [n + shift for n in music.standard_E]
elif len(params) == 7:
# individual strings
ed.tab.tuning = reversed([str(s) for s in params[1:]])
else:
ed.st = 'Invalid argument'
return
# display tuning
ed.st = music.tuning_str(getattr(ed.tab, 'tuning', music.standard_E))
def load_tablature(self, filename):
'''Unpickle tab from a file'''
try:
if os.path.isfile(filename):
infile = open(filename, 'rb')
self.tab = pickle.load(infile)
infile.close()
else:
self.tab = Tablature()
self.file_name = filename
self.set_term_title(filename + ' - VITABS')
self.st = '{0} ({1} bars, tuning: {2})'.format(
filename, len(self.tab.bars),
music.tuning_str(getattr(self.tab, 'tuning', music.standard_E)))
except:
self.st = 'Error: Can\'t open the specified file'
