code: def get_data_source_folder(data_source_name, environ=None):
      """
      The root path of an data_source folder.
  
      Parameters
      ----------
      data_source_name: str
      environ:
  
      Returns
      -------
      str
  
      """
      if not environ:
          environ = os.environ
  
      root = data_root(environ)
      data_source_folder = os.path.join(
          root, "marketplace", data_source_name
      )
      ensure_directory(data_source_folder)
  
      return data_source_folder
  
file_path: catalyst/catalyst/marketplace/utils/path_utils.py
imports: import os
  import json
  import tarfile
  from catalyst.constants import SUPPORTED_WALLETS
  from catalyst.utils.deprecate import deprecated
  from catalyst.utils.paths import data_root, ensure_directory
  from catalyst.marketplace.marketplace_errors import MarketplaceJSONError
label_desc: Use image node_id 2 for calling a global function with example usage: get_data_source_folder(data_source_name, environ) and returns: data_source_folder