On Thu, 4 Dec 2014 20:22:11 +0100 (CET), Jean-Michel Pichavant <jeanmic...@sequans.com> wrote:
>----- Original Message ----- >> From: "Seymore4Head" <Seymore4Head@Hotmail.invalid> >> To: python-list@python.org >> Sent: Friday, 28 November, 2014 4:31:50 AM >> Subject: Re: Can you use self in __str__ >> >> On Thu, 27 Nov 2014 21:49:29 -0500, Dave Angel <da...@davea.name> >> wrote: >> >> class Hand: >> def __init__(self): >> self.hand = [] >> # create Hand object >> >> def __str__(self): >> s = 'Hand contains ' >> for x in self.hand: >> s = s + str(x) + " " >> return s >> >> I am using 2.7 (Codeskulptor). This is working code. It starts with >> an empty list that gets appended from a full deck of shuffled cards. >> dealer=Hand() >> player=Hand() >> I don't really know how to post working code without posting a lot. >> I >> am not being too successful in trying to post enough code to have it >> work without posting the entire code. >> Here is the link if you want to run it. >> http://www.codeskulptor.org/#user38_Kka7mh2v9u_9.py >> The print out looks like this: >> Hand contains H4 DQ. >> >> I can (and am) currently printing the hand like this: >> print "Player's",player >> print "Dealer's",dealer >> >> My question is can you add (self) in the __str__ so when you issue >> the >> command "print player" the "player" part is included in the __str__. >> -- >> https://mail.python.org/mailman/listinfo/python-list > > >I think your main problem is a design issue. > >I won't go into details, it would be too long but here's a way to fix your >problem: > ># Untested code > >class Player(object): > def __init__(self, name): > self.name = name > self.hand = Hand() > > def __str__(self): > return '%s<%s> has %s' % (self.__class__.__name__, self.name, self.hand) > ># A dealer is a special type of player >class Dealer(Player): pass > >def deal(): > global outcome, in_play,deck,dealer,player > > # your code goes here > deck=Deck() > deck.shuffle() > print deck > players = [Dealer('Robert'), Player('John')] > > for deal in range(2): > for player in players: > player.hand.add_card(deck.deal_card()) > > for player in players: > print str(player) > in_play = True > > >With the above design, the relation between player and its hand is implemented >with the Player attribute "hand". >It's a classic design where the container knows about the content, but the >content does not know its container. > >There are other solutions which do not require a new class, but I have the >feeling you will need the Player class in the future. > >Moreover The design above I gave you will be probably broken in the future >when you add features to your code. > >The same player may be a dealer or not, it may vary over time. You will >probably need a 'Table' object which handles a collection of players, with a >dealer, small blind, big blind etc, amount of money in the pot etc... > >JM > > >-- IMPORTANT NOTICE: > >The contents of this email and any attachments are confidential and may also >be privileged. If you are not the intended recipient, please notify the sender >immediately and do not disclose the contents to any other person, use it for >any purpose, or store or copy the information in any medium. Thank you. Thanks for the tips -- https://mail.python.org/mailman/listinfo/python-list
