Move the deny_anonymous decorator to the poezio.decorators module

poezio/decorators.py

@@ -162,3 +162,15 @@ class CommandArgParser:
 
 
 command_args_parser = CommandArgParser()
+
+
+def deny_anonymous(func: Callable) -> Callable:
+    """Decorator to disable commands when using an anonymous account."""
+    def wrap(self: 'RosterInfoTab', *args, **kwargs):
+        if self.core.xmpp.anon:
+            return self.core.information(
+                'This command is not available for anonymous accounts.',
+                'Info'
+            )
+        return func(self, *args, **kwargs)
+    return wrap

poezio/tabs/rostertab.py

@@ -24,7 +24,7 @@ from poezio.contact import Contact, Resource
 from poezio.decorators import refresh_wrapper
 from poezio.roster import RosterGroup, roster
 from poezio.theming import get_theme, dump_tuple
-from poezio.decorators import command_args_parser
+from poezio.decorators import command_args_parser, deny_anonymous
 from poezio.core.structs import Command, Completion
 from poezio.tabs import Tab
 from poezio.ui.types import InfoMessage
@@ -32,17 +32,6 @@ from poezio.ui.types import InfoMessage
 log = logging.getLogger(__name__)
 
 
-def deny_anonymous(func: Callable) -> Callable:
-    def wrap(self: 'RosterInfoTab', *args, **kwargs):
-        if self.core.xmpp.anon:
-            return self.core.information(
-                'This command is not available for anonymous accounts.',
-                'Info'
-            )
-        return func(self, *args, **kwargs)
-    return wrap
-
-
 class RosterInfoTab(Tab):
     """
     A tab, split in two, containing the roster and infos