Correct logged error for missing action function

[mudpy.git] / mudpy / misc.py

diff --git a/mudpy/misc.py b/mudpy/misc.py
index dce3ea6..f99fac3 100644 (file)
--- a/mudpy/misc.py
+++ b/mudpy/misc.py
@@ -672,8 +672,18 @@ class User:
         if not prompt:
             return get_menu_prompt(self.state)
 
+        # Allow including the World clock state
+        if "$_(time)" in prompt:
+            prompt = prompt.replace(
+                "$_(time)",
+                str(universe.groups["internal"]["counters"].get("elapsed")))
+
+        # Append a single space for clear separation from user input
+        if prompt[-1] != " ":
+            prompt = "%s " % prompt
+
         # Return the cooked prompt
-        return "%s " % prompt
+        return prompt
 
     def adjust_echoing(self):
         """Adjust echoing to match state menu requirements."""
@@ -1464,6 +1474,27 @@ def check_for_connection(listening_socket):
     return user
 
 
+def find_command(command_name):
+    """Try to find a command by name or abbreviation."""
+
+    # lowercase the command
+    command_name = command_name.lower()
+
+    command = None
+    if command_name in universe.groups["command"]:
+        # the command matches a command word for which we have data
+        command = universe.groups["command"][command_name]
+    else:
+        for candidate in sorted(universe.groups["command"]):
+            if candidate.startswith(command_name) and not universe.groups[
+                    "command"][candidate].get("administrative"):
+                # the command matches the start of a command word and is not
+                # restricted to administrators
+                command = universe.groups["command"][candidate]
+                break
+    return command
+
+
 def get_menu(state, error=None, choices=None):
     """Show the correct menu text to a user."""
 
@@ -1854,21 +1885,35 @@ def handler_active(user):
         else:
             command_name, parameters = first_word(input_data)
 
-        # lowercase the command
-        command_name = command_name.lower()
-
-        # the command matches a command word for which we have data
-        if command_name in universe.groups["command"]:
-            command = universe.groups["command"][command_name]
-        else:
-            command = None
+        # expand to an actual command
+        command = find_command(command_name)
 
         # if it's allowed, do it
+        ran = False
         if actor.can_run(command):
-            exec(command.get("action"))
-
-        # otherwise, give an error
-        elif command_name:
+            # dereference the relative object path for the requested function
+            action = mudpy
+            action_fname = command.get("action", command.key)
+            for component in action_fname.split("."):
+                try:
+                    action = getattr(action, component)
+                    ran = True
+                except AttributeError:
+                    log('Could not find action function "%s" for command "%s"'
+                        % (action_fname, command_name))
+                    action = None
+                    break
+            if action:
+                try:
+                    action(actor, parameters)
+                except Exception:
+                    log('Command string "%s" from user %s raised an '
+                        'exception...\n%s' % (
+                            input_data, actor.owner.account.get("name"),
+                            traceback.format_exc()))
+
+        # if the command was not run, give an error
+        if not ran:
             mudpy.command.error(actor, input_data)
 
     # if no input, just idle back with a prompt