gen_bids_like_dir_path
==============================================

.. py:function:: petpal.utils.bids_utils.gen_bids_like_dir_path(sub_id: str, ses_id: str, modality: str = 'pet', sup_dir: str = '../') -> str

   Constructs a directory path following BIDS structure with subject and session subdirectories.

   :param sub_id: The subject identifier.
   :type sub_id: str
   :param ses_id: The session identifier.
   :type ses_id: str
   :param modality: Modality directory name. Defaults to 'pet'.
   :type modality: str, optional
   :param sup_dir: The parent directory path. Defaults to '../'.
   :type sup_dir: str, optional

   :returns: *str* -- A BIDS-like directory path.