(path)
make dir if not exist
make dir if not exist
make dir if not exist
def mkdir_p(path):
    '''make dir if not exist'''
    try:
        os.makedirs(path)
    except OSError as exc:  # Python >2.5
        if exc.errno == errno.EEXIST and os.path.isdir(path):
            pass
        else:
            raise
def mkdir_p ( path ) : try : os . makedirs ( path ) except OSError as exc : # Python >2.5 if exc . errno == errno . EEXIST and os . path . isdir ( path ) : pass else : raise