python load mat

 from scipy import io
 dataset = io.loadmat("a.mat")
 exclude = ['__globals__', '__header__', '__version__']
 for obj in dataset.keys():
 if obj not in exclude:
 print obj+'=dataset["'+obj+'"]'
 exec(obj+'=dataset["'+obj+'"]')
 exec 'print '+ obj

obj是变量名的str，需要用exec保存原来的变量名。