added list_photo_libraries

osxphotos/__init__.py

@@ -1,3 +1,4 @@
+import glob
 import json
 import logging
 import os.path
@@ -189,6 +190,12 @@ def get_last_library_path():
         return None
 
 
+def list_photo_libraries():
+    """ returns list of Photos libraries found in the user's Pictures folder """
+    lib_list = glob.glob(f"{str(Path.home())}/Pictures/*.photoslibrary")
+    return lib_list
+
+
 class PhotosDB:
     def __init__(self, dbfile=None):
         """ create a new PhotosDB object """