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。