function in jsngram.dir2 module
Description
Makes parent directories of path recursively, when they do not exist.
Example
def myfunc(path, dest):
return path
jsngram.dir2.ensure_dir('/scratch/hoge/a.txt')
# creates /scratch/hoge if not exist.
Usage
jsngram.dir2.ensure_dir(path)
Argument path is a file path that you want to put in a directory you want to create. Not a directory itself.