Add \t support to parsing.

todo/Todo.py

@@ -15,13 +15,15 @@ logger = logging.getLogger("Todo")
 logger.addHandler(logging.StreamHandler())
 
 class Todo(TodoObject):
-    def __init__(self, data_file : Path = Path.home().joinpath("todo.md")):
+    def __init__(self, data_file : Path = Path.home().joinpath("todo.md"), tab_spacing = 2):
         """Todo class, reads and parses a todo.md from a file. Default file is 'todo.md' in the home directory. 
 
         Args:
             data_file (Path, optional): Location of the markdown file to load from. Defaults to ~/todo.md.
+            tab_spacing (int, optional): How many levels a tab character should represent. Defaults to 2.
         """
         self.data_file = data_file
+        self.tab_spacing = tab_spacing
         super().__init__(-1, "File")
         self._load_data()
 
@@ -125,6 +127,7 @@ class Todo(TodoObject):
         """Load categories and tasks from self.data_file."""
         with self.data_file.open("r") as f:
             for line in f:
+                line = line.replace("\t", self.tab_spacing*"  ")
                 line = line.rstrip()
                 if len(line.strip()) == 0:  # skip empty lines
                     continue