Support denoting command response [prefix] in docstring

modules/commands.py

@@ -124,8 +124,8 @@ class Module(ModuleManager.BaseModule):
             if is_channel and hook.kwargs.get("private_only"):
                 return
 
-            module_name = ""
-            if hasattr(hook.function, "__self__"):
+            module_name = self._get_prefix(hook) or ""
+            if not module_name and hasattr(hook.function, "__self__"):
                 module_name = hook.function.__self__._name
 
             msgid = event["tags"].get("draft/msgid", None)
@@ -195,6 +195,8 @@ class Module(ModuleManager.BaseModule):
         return hook.get_kwarg("help", None) or hook.docstring.description
     def _get_usage(self, hook):
         return hook.get_kwarg("usage", None)
+    def _get_prefix(self, hook):
+        return hook.get_kwarg("prefix", None)
 
     @utils.hook("received.command.help")
     def help(self, event):

modules/ip_addresses.py

@@ -9,9 +9,8 @@ class Module(ModuleManager.BaseModule):
         """
         :help: Get all addresses for a given hostname (IPv4/IPv6)
         :usage: <hostname>
+        :prefix: DNS
         """
-        event["stdout"].set_prefix("DNS")
-        event["stderr"].set_prefix("DNS")
         hostname = event["args_split"][0]
         try:
             address_info = socket.getaddrinfo(hostname, 1, 0,
@@ -30,11 +29,10 @@ class Module(ModuleManager.BaseModule):
         """
         :help: Get geoip data on a given IPv4/IPv6 address
         :usage: <IP>
+        :prefix: GeoIP
         """
         page = utils.http.get_url(URL_GEOIP % event["args_split"][0],
             json=True)
-        event["stdout"].set_prefix("GeoIP")
-        event["stderr"].set_prefix("GeoIP")
         if page:
             if page["status"] == "success":
                 data  = page["query"]
@@ -57,9 +55,8 @@ class Module(ModuleManager.BaseModule):
         """
         :help: Do a reverse-DNS look up on an IPv4/IPv6 address
         :usage: <IP>
+        :prefix: rDNS
         """
-        event["stdout"].set_prefix("rDNS")
-        event["stderr"].set_prefix("rDNS")
         try:
             hostname, alias, ips = socket.gethostbyaddr(event["args_split"][0])
         except (socket.herror, socket.gaierror) as e: