wikipedia: fix crash

config.json.example

@@ -151,7 +151,8 @@
       "commands": ["plus"],
       "aliases": {
         "plus": "more"
-      }
+      },
+      "shortcut": "+"
     },
     "randomchoice": {
       "commands": ["choose"],

edmond/plugin.py

@@ -37,13 +37,13 @@ class Plugin:
     plugins. It can also save data using the Bot's storage feature to be
     available after a restart.
 
-    Initalisation should be very fast, no network connections or anything. They
-    are initialised before connecting to the server, so their `is_ready` flag
-    is set at that point. The loading order is more or less random, so a plugin
-    cannot assume another has been loaded during initialisation. If it wants to
-    interact with another plugin, the earliest point to do that is in the
-    on_welcome callback which is called after connecting to a server, and can
-    disable itself by setting its own `is_ready` flag to false.
+    Initialisation should be very fast, no network connections or anything.
+    They are initialised before connecting to the server, so their `is_ready`
+    flag is set at that point. The loading order is more or less random, so a
+    plugin cannot assume another has been loaded during initialisation. If it
+    wants to interact with another plugin, the earliest point to do that is in
+    the on_welcome callback which is called after connecting to a server, and
+    can disable itself by setting its own `is_ready` flag to false.
 
     A plugin can access its config once the base `__init__` has been called.
     The configuration is valid only is `is_ready` is True, else accessing its

edmond/plugins/plus.py

@@ -4,29 +4,38 @@ from edmond.plugin import Plugin
 class PlusPlugin(Plugin):
     """Plugin to store additional content from other plugins.
 
-    This plugin does not do much on its own, it lets other plugins register additional
-    content to compute on the fly when asked, e.g. the Wikipedia plugin can store the
-    Web page of the definition they just gave so users wanting to know more about a
-    definition can use the "plus" function to get the URL to the Web page.
+    This plugin does not do much on its own, it lets other plugins register
+    additional content to compute on the fly when asked, e.g. the Wikipedia
+    plugin can store the Web page of the definition they just gave so users
+    wanting to know more about a definition can use the "plus" function to get
+    the URL to the Web page.
 
-    There can be only one handle registered at one time by target (so by channel, user,
-    etc). External plugins use the `add_handler` to set the current handler for a
-    target.
+    There can be only one handle registered at one time by target (so by
+    channel, user, etc). External plugins use the `add_handler` to set the
+    current handler for a target.
     """
 
+    REQUIRED_CONFIGS = ["commands"]
+
     def __init__(self, bot):
         super().__init__(bot)
         self.handlers = {}
+        self.shortcut = self.config.get("shortcut")
 
     def on_pubmsg(self, event):
-        if not self.should_handle_command(event.arguments[0], no_content=True):
+        if (
+            (self.shortcut and event.arguments[0].strip() == self.shortcut)
+            or self.should_handle_command(event.arguments[0], no_content=True)
+        ):
+            self.process_handler(event)
+            return True
         return False
 
+    def process_handler(self, event):
         if handler := self.handlers.pop(event.target, None):
             handler(event)
         else:
             self.signal_failure(event.target)
-        return True
 
     def add_handler(self, target: str, handler):
         self.handlers[target] = handler

edmond/plugins/wikipedia.py

@@ -38,14 +38,16 @@ class WikipediaPlugin(Plugin):
         return True
 
     def tell_random_summary(self, event):
-        summary = ""
+        page = None
         retries = self.NUM_RETRIES
         while retries > 0:
             try:
-                page = wikipedia.page(title=wikipedia.random(), sentences=1)
+                page = wikipedia.page(title=wikipedia.random())
                 break
-            except:  # The wikipedia package can raise a lot of different stuff.
-                pass
+            except Exception as exc:
+                # The wikipedia package can raise a lot of different stuff,
+                # so we sort of have to catch broadly.
+                self.bot.log_d(f"Wikipedia exception: {exc}")
             retries -= 1
         if page:
             if plus_plugin := self.bot.get_plugin("plus"):