Start implementing decorator

qutebrowser/commands/template.py

@@ -40,23 +40,13 @@ class Command(QObject):
     # we should probably have some kind of typing / argument casting for args
     # this might be combined with help texts or so as well
 
-    nargs = 0
-    name = None
-    mainname = None
-    signal = None
-    count = False
-    split_args = True
-    signal = pyqtSignal(tuple)
-    hide = False
-
-    def __init__(self):
+    def __init__(self, name, split_args, hide, nargs, handler):
         super().__init__()
-        if self.name is None:
-            self.name = self.__class__.__name__.lower()
-        if isinstance(self.name, str):
-            self.mainname = self.name
-        else:
-            self.mainname = self.name[0]
+        self.name = name
+        self.split_args = split_args
+        self.hide = hide
+        self.nargs = nargs
+        self.handler = handler
 
     def check(self, args):
         """Check if the argument count is valid.

qutebrowser/commands/utils.py

@@ -47,6 +47,23 @@ def register_all():
             cmd_dict[n] = obj
 
 
+def register_cmd(func, name=None, split_args=True, hide=False):
+    """Decorator to register a new command handler."""
+    global cmd_dict
+    names = []
+    if name is None:
+        name = func.__name__.lower()
+    if isinstance(name, str):
+        mainname = name
+        names.append(name)
+    else:
+        mainname = name[0]
+        names += name
+    cmd = Command(mainname, split_args, hide, handler=func)
+    for name in names:
+        cmd_dict[name] = cmd
+
+
 class SearchParser(QObject):
 
     """Parse qutebrowser searches.