1""" 2Accepts folder, creates (if does not exist) it and checks it is writable. 3Empty output if ok. Error in stderr otherwise 4""" 5import os 6import sys 7 8folder = sys.argv[1] 9 10d = os.path.dirname(folder) 11if not os.path.exists(folder): 12 os.makedirs(folder) 13 14if not os.access(folder, os.W_OK): 15 raise Exception("Dir {0} is not writable".format(folder))