fiddle with config syntax, add disabled new plugin for quiz

config.py

@@ -13,6 +13,8 @@ import json
 import logging
 import os
 import sys
+from contextlib import contextmanager
+
 from fasteners import interprocess_locked
 from configobj import ConfigObj
 from validate import Validator
@@ -99,3 +101,11 @@ def runtimeconf_deepget(key, default=None):
             if value is None:
                 break
         return value
+
+
+@contextmanager
+def plugin_config(name):
+    cfg = runtimeconf_deepget('plugins.{}'.format(name), {})
+    yield cfg
+    runtime_config_store['plugins'][name] = cfg
+    runtimeconf_persist()

plugins/commands.py

@@ -851,8 +851,8 @@ def isdown(argv, **args):
 
 @pluginfunction('poll', 'create a poll', ptypes_COMMAND)
 def poll(argv, **args):
-    pollcfg = config.runtimeconf_deepget('plugins.poll')
+    with config.plugin_config('poll') as pollcfg:
-    current_poll = pollcfg.get('subject') if pollcfg else None
+        current_poll = pollcfg.get('subject')
 
         if not argv:
             # return poll info
@@ -895,17 +895,46 @@ def poll(argv, **args):
             else:
                 if current_poll:
                     return {'msg': 'a poll is already running ({})'.format(current_poll)}
-            if pollcfg is None:
-                pollcfg = dict()
                 # create an item for each option
                 pollcfg['subject'] = subject
                 pollcfg.update({k: [] for k in choices})
                 return {'msg': 'created the poll.'}
 
-    config.runtime_config_store['plugins']['poll'] = pollcfg
-    config.runtimeconf_persist()
 
-
+@pluginfunction('vote', 'alias for poll', ptypes_COMMAND, enabled=False)
-@pluginfunction('vote', 'alias for poll', ptypes_COMMAND)
 def vote(argv, **args):
     return poll(argv, **args)
+
+
+@pluginfunction('quiz', 'play quiz', ptypes_COMMAND, enabled=False)
+def quiz(argv, **args):
+    usage = """quiz mode usage: "quiz start", "quiz stop", "quiz answer", "quiz skip";
+    if the quiz mode is active, sentences are parsed and compared against the answer.
+    """
+    questions = [
+        'die antwort auf alle fragen?',
+        'keks',
+        'Welcher Stern ist der Erde am nächsten?',
+        'Sonne'
+    ]
+    if not argv:
+        return usage
+
+    with config.plugin_config('quiz') as quizcfg:
+        if quizcfg is None:
+            quizcfg = dict()
+
+        if argv[0] == 'start':
+            # select a random question
+            used_ids = quizcfg['used_ids']
+            q_index = -1
+            while q_index == -1:
+                rand = random.choice(range(0, len(questions)-2, 2))
+                if rand not in used_ids:
+                    q_index = rand
+
+            quizcfg['active_id'] = q_index
+            quizcfg['used_ids'] = used_ids + []
+
+            return {'msg': ['Q: {}'.format(questions[q_index]),
+                            'A: {}'.format(questions[q_index+1]), ]}