Pass arguments to the command.

AddCommand.py

@@ -6,9 +6,9 @@ import Command
 from RelativeDate import relative_date_to_date
 
 class AddCommand(Command.Command):
-    def __init__(self, p_text, p_todolist):
-        super(AddCommand, self).__init__(p_todolist)
-        self.text = p_text
+    def __init__(self, p_args, p_todolist):
+        super(AddCommand, self).__init__(p_args, p_todolist)
+        self.text = ' '.join(p_args)
 
     def _preprocess_input_todo(self):
         """
@@ -62,3 +62,5 @@ class AddCommand(Command.Command):
         self.todo = self.todolist.add(self.text)
         self._postprocess_input_todo()
 
+        return True
+

Command.py

 class Command(object):
-    def __init__(self, p_todolist):
+    def __init__(self, p_args, p_todolist):
+        self.args = p_args
         self.todolist = p_todolist
 
     def execute(self):
         """ The command to execute. """
-        pass
+        return False

Main.py

@@ -39,6 +39,18 @@ def argument(p_number):
 
     return value
 
+def arguments():
+    """
+    Retrieves all values from the argument list starting from the given
+    position.
+    """
+    try:
+        values = sys.argv[2:] # strip off subcommand at position 1
+    except IndexError:
+        usage()
+
+    return values
+
 def convert_number(p_number):
     """ Converts a string number to an integer. """
     try:
@@ -60,8 +72,8 @@ class Application(object): # TODO: rename to CLIApplication
         print printed[0]
 
     def add(self):
-        command = AddCommand(argument(2), self.todolist)
-        command.execute()
+        command = AddCommand(arguments(), self.todolist)
+        if command.execute():
             self.print_todo(self.todolist.count())
             self.dirty = True