Help is working

src/pyappengine/__init__.py

@@ -104,9 +104,9 @@ class Commands(Thread):
 
     def list_modules(self):
         success = True
-        ret = ""
+        ret = "List of modules:\n"
         for module in self.cmods.keys():
-            ret = ret + module + "\n"
+            ret = ret + "  " + module + "\n"
         return success, ret.strip()
 
     def _execute_command(self, method: str, *args, **kwargs) -> tuple:
@@ -156,14 +156,17 @@ class Commands(Thread):
         success = False
 
         if module == "":
-            module = self.config["default"]
+            if method == 'help':
+                return self.list_modules()
+            else:
+                module = self.defmod
 
         if not (module in self.cmods.keys()):
             m = module.replace("_", "-")
             if not (m in self.cmods.keys()):
                 ret = 'module "{}" not found'.format(module)
                 self.log.error(ret)
-                return success, ret
+                return success, (AEErrs.INVALID_REQUEST.value, ret)
 
         return self.cmods[module]._execute_command(method, *args, **kwargs)
 
@@ -177,12 +180,12 @@ class Commands(Thread):
 
         if len(args) == 0:
             cmds = inspect.getmembers(self, predicate=inspect.ismethod)
-            cmds = [x for x in cmds if x[0].startswith("cmd_")]
+            cmds = [x for x in cmds if x[0].startswith(self.precmd)]
             for m in cmds:
-                ret = ret + m[0][len("cmd_") :] + "\n"
+                ret = ret + m[0][len(self.precmd):] + "\n"
         else:
             if isinstance(args[0], str):
-                cmd = "cmd_" + args[0]
+                cmd = self.precmd + args[0]
                 c = getattr(self, cmd, None)
                 if c:
                     r = inspect.getdoc(c)
@@ -227,7 +230,7 @@ class CommandsLoader:
                     if not obj is None:
                         nmod = obj.nickname
                         if nmod is None:
-                            nmod = (entry.name[:-3])[5:]
+                            nmod = (entry.name[:-3])[len(self.precmds):]
                         cmds.update({nmod: obj})
                         self.log.info('module "{}" loaded'.format(nmod))
                     else:
@@ -242,8 +245,8 @@ class CommandsLoader:
         module = import_module(name)
         members = inspect.getmembers(module, inspect.isclass)
         conf = None
-        if name[5:] in self.config.sections():
-            conf = self.config[name[5:]]
+        if name[len(self.precmds):] in self.config.sections():
+            conf = self.config[name[len(self.precmds):]]
 
         obj = None
         for n, c in members: