handle empty decks on player join

bot.py

@@ -30,6 +30,9 @@ from telegram.ext import Updater, InlineQueryHandler, \
 from telegram.ext.dispatcher import run_async
 from telegram.utils.botan import Botan
 
+from flufl.i18n import registry
+from flufl.i18n import PackageStrategy
+
 from game_manager import GameManager
 from credentials import TOKEN, BOTAN_TOKEN
 from start_bot import start_bot
@@ -41,6 +44,7 @@ import card as c
 from errors import (NoGameInChatError, LobbyClosedError, AlreadyJoinedError,
                     NotEnoughPlayersError, DeckEmptyError)
 from database import db_session
+import i18n
 
 TIMEOUT = 2.5
 
@@ -49,6 +53,10 @@ logging.basicConfig(
     level=logging.DEBUG)
 logger = logging.getLogger(__name__)
 
+strategy = PackageStrategy('uno', i18n)
+application = registry.register(strategy)
+_ = application._
+
 gm = GameManager()
 u = Updater(token=TOKEN, workers=32)
 dp = u.dispatcher
@@ -162,6 +170,13 @@ def join_game(bot, update):
                    text="You already joined the game. Start the game "
                         "with /start",
                    reply_to_message_id=update.message.message_id)
+
+    except DeckEmptyError:
+        send_async(bot, chat.id,
+                   text="There are not enough cards left in the deck for new "
+                        "players to join.",
+                   reply_to_message_id=update.message.message_id)
+
     else:
         send_async(bot, chat.id,
                    text="Joined the game",
@@ -439,7 +454,7 @@ def skip_player(bot, update):
 
 def help(bot, update):
     """Handler for the /help command"""
-    send_async(bot, update.message.chat_id, text=help_text, 
+    send_async(bot, update.message.chat_id, text=_(help_text),
                parse_mode=ParseMode.HTML, disable_web_page_preview=True)
 
 

player.py

@@ -22,6 +22,7 @@ import logging
 from datetime import datetime
 
 import card as c
+from errors import DeckEmptyError
 
 
 class Player(object):
@@ -38,6 +39,15 @@ class Player(object):
         self.user = user
         self.logger = logging.getLogger(__name__)
 
+        try:
+            for i in range(7):
+                self.cards.append(self.game.deck.draw())
+        except DeckEmptyError:
+            for card in self.cards:
+                self.game.deck.dismiss(card)
+
+            raise
+
         # Check if this player is the first player in this game.
         if game.current_player:
             self.next = game.current_player
@@ -49,9 +59,6 @@ class Player(object):
             self._prev = self
             game.current_player = self
 
-        for i in range(7):
-            self.cards.append(self.game.deck.draw())
-
         self.bluffing = False
         self.drew = False
         self.anti_cheat = 0