update download uitls for using path

Author: TomDonoghue

fooof/utils/download.py

@@ -1,10 +1,13 @@
 """Functions and utilities for downloading example data for fooof."""
 
 import os
+from pathlib import Path
 from urllib.request import urlretrieve
 
 import numpy as np
 
+from fooof.core.io import fpath
+
 ###################################################################################################
 ###################################################################################################
 
@@ -15,7 +18,7 @@ def check_data_folder(folder):
 
     Parameters
     ----------
-    folder : str
+    folder : Path or str
         Name of the folder to check and create if missing.
     """
 
@@ -30,11 +33,13 @@ def check_data_file(filename, folder, url=DATA_URL):
     ----------
     filename : str
         Name of the data file to check and download if missing.
-    folder : str
+    folder : Path or str
         Name of the folder to save the datafile to.
+    url : str, optional
+        The URL to download the data file from.
     """
 
-    filepath = os.path.join(folder, filename)
+    filepath = fpath(folder, filename)
 
     if not os.path.isfile(filepath):
         urlretrieve(url + filename, filename=filepath)
@@ -47,7 +52,7 @@ def fetch_fooof_data(filename, folder='data', url=DATA_URL):
     ----------
     filename : str
         Name of the data file to download.
-    folder : str, optional
+    folder : Path or str, optional
         Name of the folder to save the datafile to.
     url : str, optional
         The URL to download the data file from.
@@ -69,7 +74,7 @@ def load_fooof_data(filename, folder='data', url=DATA_URL):
     ----------
     filename : str
         Name of the data file to download.
-    folder : str, optional
+    folder : Path or str, optional
         Name of the folder to save the datafile to.
     url : str, optional
         The URL to download the data file from.