Find paths case-insensitively

.bin/Scripts/functions/ufd.py

@@ -4,6 +4,33 @@ import pathlib
 from functions.common import *
 
 
+def case_insensitive_search(path, item):
+  """Search path for item case insensitively, returns str."""
+  if os.path.exists('{}/{}'.format(path, item)):
+    # Easy mode
+    return '{}/{}'.format(path, item)
+
+  # Check all items in dir
+  for entry in os.scandir(path):
+    if re.match(entry.name, item, re.IGNORECASE):
+      return '{}/{}'.format(path, entry.name)
+
+  # If we get here the item wasn't found
+  raise FileNotFoundError('{}/{}'.format(path, item))
+
+
+def find_source_item(source_dir, item):
+  """Find item relative to source dir, returns str."""
+  path = source_dir
+  if item.startswith('/'):
+    item = item[1:]
+
+  for part in item.split('/'):
+    path = case_insensitive_search(path, part)
+
+  return path
+
+
 def get_full_path(item):
   """Get full path to item, returns pathlib.Path obj."""
   path_obj = pathlib.Path(item).resolve()