game creation seems to work, but I don't know for sure before game selection for playing works ;>

gamecreation.py

@@ -1,5 +1,5 @@
 from mod_python import *
-import psql,helper
+import psql,helper,login
 
 def display_game_creation_form(req,sessionid,username):
 	"""
@@ -8,13 +8,11 @@ def display_game_creation_form(req,sessionid,username):
 	gets a mod_python request, prints to req.write.
 	"""
 	data = helper.header()
-	p1data = create_user_dropdown_list("playerone",username)
-	p2data = create_user_dropdown_list("playertwo")
+	p1data = create_user_dropdown_list("player1",username)
+	p2data = create_user_dropdown_list("player2")
 	gobansize = create_goban_size_dropdown_list("gobansize")
 	#start form
-	#choose player one (black)
-	#choose player two (white)
-	#choose goban size
+	#choose player one (black),choose player two (white),choose goban size
 	#'hidden' session id and username
 	data += """
 	<form  method="post">
@@ -37,14 +35,31 @@ def process_creation_form(req,form):
 	validates and processes the game creation form. 
 	If everything was ok, a game will be created.
 	"""
-	#check if at least one of the players is the current user
-	if (form["playerone"] == form["username"]) or (form["playertwo"] == form["username"]):
-		#create game name
-		#create_game
-		#update entries for player one and player two
-	else:
+	player1 = form["player1"]
+	player2 = form["player2"]
+	username = form["username"]
 	
-	pass
+	#check if at least one of the players is the current user
+	if (player1 == username) or (player2 == username):
+		#create game
+		gamename = psql.create_goban_table(player1,player2,int(form["gobansize"]))
+		#update entries for player one and player two
+		for player in [player1,player2]:
+			gameslot = psql.get_free_game_slot(player)
+			if gameslot != "":
+				psql.set_game_slot(player,gameslot,gamename)
+				#TODO:game created, now display game overview form
+				game_overview_form(req,username,form["sessionid"])
+			else:#should not happen: no free game slot.
+				#print error msg
+				req.write("Error: No free game slots for player "+player+"!")
+				#display form again
+				display_game_creation_form(req,form["sessionid"],username)
+	else:
+		#give error message
+		req.write("Sorry, you must be one of the players!<br>")
+		#display form again
+		display_game_creation_form(req,form["sessionid"],username)
 
 def create_user_dropdown_list(listname,selected = ""):
 	"""
@@ -91,5 +106,4 @@ def main(req,form):
 		process_creation_form(req,form)
 	else:
 		display_game_creation_form(req,sessionid,username)	
-	form = util.FieldStorage(req)
-	req.write(str(form))
+	

helper.py

@@ -22,7 +22,16 @@ def generate_session_id():
 	m = md5.new()
 	m.update(str(time.time()))
 	m.update(str(random.random()))
-	return string.replace(base64.encodestring(m.digest())[:-3], '/', '$')
+	s =  string.replace(base64.encodestring(m.digest())[:-3], '/', '$')
+	return s
+	
+def generate_game_name():
+	from whrandom import choice
+	chars = string.letters
+	name = ''
+	for i in range(16):
+		name = name + choice(chars)
+	return name.lower()
 
 
 def check_for_int(data):

init_webgo.py

@@ -9,7 +9,7 @@ def clear():
 		pass
 
 def create():
-	psql.create_goban_table(9)
+	#psql.create_goban_table("gast","gast2",9)
 	psql.create_user_table()
 	psql.add_webgo_user("gast","gast")
 	psql.add_webgo_user("gast2","gast2")

login.py

@@ -52,16 +52,15 @@ def game_overview_form(req,user,sessionid):
 	tmp = ""
 	for item in gamelist:
 		if (item != None) and (item != "None"):
-			tmp += '<input type="radio"> name="game" value="%s"> %s\n' % (item,item)
-			tmp += '<input type="hidden" name="sessionid" value="%s">\n' % sessionid
-			tmp += '<input type="hidden" name="username" value="%s">\n' % user
+			tmp += '<input type="radio" name="game" value="%s"> %s<br>\n' % (item,item)
 		#later write partners name and whether its our turn or not
 		#data += "Your partner: %s."
-			tmp +="<br>"
 		counter -= 1
 	if tmp == "": #no current games
 		data += "You don't have any running games.\n"
 	else:
+		tmp += '<input type="hidden" name="sessionid" value="%s">\n' % sessionid
+		tmp += '<input type="hidden" name="username" value="%s">\n' % user
 		data += tmp
 		data += '<input type=submit name="play" value="Play selected game">\n<input type=submit name="delete" value="Delete selected game">\n</form>'
 	#now comes the option for	creating new games.

main.py

@@ -18,20 +18,22 @@ def handler(req):
 	req.content_type =  "text/html"#was:text/html
 	try:               # use explicit exception handling
 		#reinitialize database
+		
+		#init_webgo.clear()
+		#init_webgo.create()
 		#init_webgo.main()
 		
+		
 		#load form, then delegate request
 		form = util.FieldStorage(req)
 		if "create" in form.keys():
 			gamecreation = apache.import_module("gamecreation")
 			gamecreation.main(req,form)
-			return apache.OK
 		else:
 			#call login.py
 			login = apache.import_module("login")
 			login.main(req,form)
 		return apache.OK
-		
 	except:
 		import time
 		errtime = '----- '+ time.ctime(time.time()) +' -----\n'

psql.py

@@ -63,9 +63,9 @@ def sql_one_liner(data):
 	cursor.close()
 
 
-def create_goban_table(size):
+def create_goban_table(player1,player2,size):
 	"""
-	gets:size of goban.
+	gets:player1, player2, size of goban.
 	creates postgresql table containing goban data.
 	returns: name of created table.
 	
@@ -79,19 +79,25 @@ def create_goban_table(size):
 	turn_number
 	size
 	name
+	player1
+	player2
 	
 	and the meaning of these fields:
 	(xn,yn) is a field of the goban,
 	(turn_number,x1) is the current turn,
 	(size,x1) is the length of a side of the goban,
 	(name,x1) is the name of this goban.
+	(player1,x1) is the name of one player.
+	(player2,x1) is the name of the other player.
+	
+	
 	"""
-	tablename="test"
-	data="line varchar(15)"
+	tablename = helper.generate_game_name()
+	data="line text"
 	for i in range(1,size+1):
 		if data != "":
 			data += ", "
-		data += "x"+str(i) + ' varchar(15)'
+		data += "x"+str(i) + ' text'
 	create_table(tablename,data)
 	#table created, now fill the table
 	for i in range(1,size+1):
@@ -116,6 +122,16 @@ def create_goban_table(size):
 	tmplist.append("name")
 	tmplist.append(tablename)
 	insert_into_table(tablename,str(tuple(tmplist)))
+	#name of player1 
+	tmplist=[]
+	tmplist.append("player1")
+	tmplist.append(player1)
+	insert_into_table(tablename,str(tuple(tmplist)))
+	#name of player2 
+	tmplist=[]
+	tmplist.append("player2")
+	tmplist.append(player2)
+	insert_into_table(tablename,str(tuple(tmplist)))
 	return tablename
 	
 def create_user_table():
@@ -130,9 +146,9 @@ def create_user_table():
 	timeout -  when does session time out?
 	"""
 	data = "username varchar(15)"
-	data += ", password varchar(15)"
+	data += ", password text"
 	for i in range(1,11):
-		data += ", game"+str(i)+" varchar(15)"
+		data += ", game"+str(i)+" text"
 	data += ", sessionid text"
 	data += ", timeout int"
 	create_table("users",data)
@@ -215,7 +231,6 @@ def update_database_field(table,column,line,data):
 	gets: table name, column name, line name, new content for field.
 	executes an SQL UPDATE statement for line.
 	"""
-	#TODO:schreiben
 	executestring ="UPDATE %s SET %s = '%s' WHERE line = '%s'" %(table,column,data,line)
 	sql_one_liner(executestring)
 
@@ -288,6 +303,33 @@ def get_users_with_free_game_slots():
 	ret = [item[0] for item in tmplist]
 	return ret	
 
+def get_free_game_slot(username):
+	"""
+	gets a username
+	returns the name of a free game slot or "" if none found.
+	"""
+	ret = ""
+	for i in range(1,11):
+		cursor=db.cursor()
+		data = "SELECT username FROM users WHERE username='%s' AND game%s IS NULL" % (username,i)
+		cursor.execute(data)
+		# Commit the changes 	
+		db.commit()
+		tmp = [item[0] for item in cursor.fetchall()]
+		if tmp != []:
+			ret = "game"+str(i)
+	return ret
+
+def set_game_slot(username,gameslot,gamename):
+	"""
+	gets username,game slot,game name.
+	sets the game slot for user username to game name ;>
+	"""
+	executestring ="UPDATE users SET %s = '%s' WHERE username = '%s'" %(gameslot,gamename, username)
+	sql_one_liner(executestring)
+
+
+
 def test():
 	#create_table("test")
 	drop_table("test")