Update iou.py

changed some stuff at LordAro's request, attempted to make more codestyle compliant

src/csbot/plugins/iou.py

@@ -8,27 +8,29 @@ class IOU(Plugin):
     db_owage = Plugin.use('mongodb', collection='owage')
 
     def setup(self):
+        '''
+        In case for some reason, the db isn't initialised, makes sure that it is 
+        (and because a mongodb doesn't exist if it doesn't have a document, makes sure there is one.)
+        Should really only be called once, ever.
+        '''
         super(IOU, self).setup()
 
-        #check if owage already exists
-        if self.db_owage.find_one("example"):
+        #Check if owage already exists.
+        if self.db_owage.find_one('example'):
             self.initialised = True
             return
 
-        #if owage doesn't exist yet, we want to make it
+        #If owage doesn't exist yet, we want to make it.
         self.initialised = False
-
-        self.blankuser = {"_id": "example", "owee_nick": 0}
-
+        self.blankuser = {'_id': 'example', 'owee_nick': 0}
         x = self.db_owage.insert(self.blankuser)
 
     def get_owage(self, nick, owee_name):
         all_owed = self.db_owage.find_one(nick)
-        if all_owed:
-            if owee_name in all_owed:
+        if all_owed and owee_name in all_owed:
                 return all_owed[owee_name]/100
             return 0
-        return 0 #this is what I keep recieving
+        return 0 
 
     def update_owage(self, nick, owee_name, amount):
         all_owed = self.db_owage.find_one(nick)
@@ -42,28 +44,19 @@ def update_owage(self, nick, owee_name, amount):
         else:
             all_owed = {"_id": nick, owee_name: int(amount*100)}
 
-        self.db_owage.insert_one(all_owed)  #inserts updated value into db
-        return self.get_owage(nick, owee_name)  #returns the updated amount
-
-    def get_all_nicks(self):
-        cursor = self.db_owage.find()
-        nicks = []
-        for document in cursor:
-            nicks += cursor["_id"] 
-        return nicks
-
+        self.db_owage.insert_one(all_owed)  
+        return self.get_owage(nick, owee_name)  
 
 
-    @Plugin.command('IOU', help = ('IOU <nick>: returns what you owe to that person '
-                                    '| IOU <nick> <amount> adds the amount (in pounds) to what you alread owe that person'))
-    @Plugin.command('iou', help = ('equivalent to IOU'))
+    @Plugin.command('iou', help=('iou <nick>: returns what you owe to that person '
+                                    '| iou <nick> <amount> adds the amount (in pounds) to what you alread owe that person'))
     def iou(self, e):
         nick_ = nick(e['user']).strip('<')
         nick_ = nick_.strip('>')
         request = e['data']
-        request_words = request.split(" ")
+        request_words = request.split()
         res = None
-        if request.strip(" ") == "":
+        if request.strip() == '':
             e.reply('Could not parse - please refer to help iou')
             return
 
@@ -72,8 +65,9 @@ def iou(self, e):
                 float(request_words[1])
             except ValueError:
                 e.reply('Please use an actual number')
-            if not (-2**48 < int(request_words[1]) < 2**48):
-                e.reply('stop with the fuckoff big integers')
+            if not (-2**48 < int(request_words[1]) < 2**48):    
+                #MongoDB has an 64-bit limit, enforcing a somewhat smaller limit just in case.
+                e.reply('please use a smaller integer.')
                 return
             res = self.update_owage(nick_, request_words[0], float(request_words[1]))
         if len(request_words) == 1:
@@ -87,23 +81,20 @@ def iou(self, e):
             e.reply('you owe {} £{:.02f}.'.format(request_words[0], res))
         return
 
-
-#forgetting this for now because I'm just hitting a brick wall
-    @Plugin.command('IAmOwed', help = ('Iamowed <nick> tells you what nick owes you'))
-    @Plugin.command('iamowed', help = ('Iamowed <nick> tells you what nick owes you'))
-    #hey froman transitivity when
+
+    @Plugin.command('iamowed', help=('iamowed <nick> tells you what nick owes you'))
     def iamowed(self, e):
         nick_ = nick(e['user']).strip('<')
         nick_ = nick_.strip('>')
         request = e['data']
-        if request.strip(" ") == "":
-            e.reply('Could not parse - please refer to help IAmOwed')
+        if request.strip() == '':
+            e.reply('Could not parse - please refer to help iamowed')
             return
-        request_words = request.split(" ")
+        request_words = request.split()
         res = None
         if len(request_words) == 1:
             res = self.get_owage(str((request_words[0])), nick_)
             e.reply('{} owes you £{}'.format(request, res))
             return
-        e.reply('could not parse - please refer to help IAmOwed')
+        e.reply('could not parse - please refer to help iamowed')
         return