tildebot | Accept alternative correct anagrams

Since this means there's multiple possible answers, I made it so that the
answer can now be a function, and that gets run with the guess. This may
open the door to other puzzle ideas that have been ignored due to having
more than one correct answer.

Code/irc/dict_puzzle.py

@@ -32,4 +32,15 @@ def get_anagram(maxlen = 6):
         if anagram != word:
             break
     puzzle = "Unscramble the following word: '" + anagram + "'"
-    return [word, puzzle]
+
+    # Anagrams can have multiple answers, so we provide a check function that accepts all possibilities
+    def answer_checker(guess):
+        # Check for exact match
+        if guess == word:
+            return True
+        # Bail out early if they didn't even use all the same letters
+        if sorted(guess) != sorted(word):
+            return False
+        # Ok, gotta actually check if it's a word now
+        return any(guess == item for item in get_wordlist())
+    return [answer_checker, puzzle]

Code/irc/tildebot.py

@@ -146,7 +146,7 @@ def challenge_response(channel, user, name, time, msg):
     print(msg);
     if(challenges.has_key(user)):
         answer, bonus = challenges[user]
-        if(msg.lower() == str(answer).lower() or msg == p.number_to_words(answer)):
+        if((callable(answer) and answer(msg.lower())) or (msg.lower() == str(answer).lower() or msg == p.number_to_words(answer))):
             give_tilde(channel, user, name, time, True, bonus);
         else:
             give_tilde(channel, user, name, time, False, 0);