Create file path from variables

Question

I am looking for some advice as to the best way to generate a file path using variables  currently my code looks similar to the following   path    my root directory for x in list of vars          if os path isdir path         x      line A             print x     exists            else              os mkdir path         x          line B             print x     created      For lines A and B as shown above  is there a better way to create a file path as this will become longer the deeper I delve into the directory tree   I envisage an existing built-in method to be used as follows   create path path   in    here     producing a path of the form  my root directory in here  If there is no built in function I will just write myself one   Thank you for any input

User · Answer

You can also use an object-oriented path with pathlib  available as a standard library as of Python 3 4    from pathlib import Path  start path   Path   my root directory   final path   start path    in     here

User · Answer

Yes there is such a built-in function  os path join    gt  gt  gt  import os path  gt  gt  gt  os path join   my root directory    in    here     my root directory in here

User · Answer

You want the path join   function from os path    gt  gt  gt  from os import path  gt  gt  gt  path join  foo    bar    foo bar    This builds your path with os sep  instead of the less portable      and does it more efficiently  in general  than using     However  this won t actually create the path  For that  you have to do something like what you do in your question  You could write something like   start path     my root directory  final path   os join start path   list of vars  if not os path isdir final path       os makedirs  final path

[python] Create file path from variables

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