From 85f5b7ce327957b1b5431681eec7a31fa3e5f5e9 Mon Sep 17 00:00:00 2001
From: Bernard Blackham <dagobah@ucc.asn.au>
Date: Sun, 27 Jun 2004 10:15:08 +0000
Subject: [PATCH] Use config parser

---
 sql-edition/servers/VendServer.py | 36 +++++++++++++++++++++++++------
 1 file changed, 29 insertions(+), 7 deletions(-)

diff --git a/sql-edition/servers/VendServer.py b/sql-edition/servers/VendServer.py
index 447dcf7..35d5d33 100755
--- a/sql-edition/servers/VendServer.py
+++ b/sql-edition/servers/VendServer.py
@@ -5,6 +5,7 @@ import sys, os, string, time, re, pwd
 import pg
 from LATClient import LATClient
 from VendingMachine import VendingMachine
+from ConfigParser import ConfigParser
 
 GREETING = 'UCC SNACKS'
 PIN_LENGTH = 4
@@ -14,9 +15,9 @@ SWITCH = 2
 KEY = 3
 
 class DispenseDatabase:
-	def __init__(self, vending_machine):
+	def __init__(self, vending_machine, host, name, user, password):
 		self.vending_machine = vending_machine
-		self.db = pg.DB(dbname = 'dispense', host = 'dispense.ucc.gu.uwa.edu.au', user = 'vendserver', passwd = 'revresdnev')
+		self.db = pg.DB(dbname = name, host = host, user = user, passwd = password)
 		self.db.query('LISTEN vend_requests')
 
 	def process_requests(self):
@@ -89,9 +90,22 @@ def door_open_mode(vending_machine):
 				time.sleep(1)
 				return
 
+def center(str):
+	LEN = 10
+	return ' '*((LEN-len(str))/2)+str
+
 if __name__ == '__main__':
+	cp = ConfigParser()
+	cp.read('/etc/dispense/servers.conf')
+	DBServer = cp.get('Database', 'Server')
+	DBName = cp.get('Database', 'Name')
+	DBUser = cp.get('VendingMachine', 'DBUser')
+	DBPassword = cp.get('VendingMachine', 'DBPassword')
+
+	ServiceName = cp.get('VendingMachine', 'ServiceName')
+	ServicePassword = cp.get('VendingMachine', 'Password')
 	# Open vending machine via LAT
-	latclient = LATClient(service = 'VEND', password = 'dmscptd')
+	latclient = LATClient(service = ServiceName, password = ServicePassword)
 	(rfh, wfh) = latclient.get_fh()
 	v = VendingMachine(rfh, wfh)
 	print 'PING is', v.ping()
@@ -101,7 +115,7 @@ if __name__ == '__main__':
 	#print 'DISPLAY is', v.display('WELCOME')
 	print 'S is', v.get_switches()
 
-	db = DispenseDatabase(v)
+	db = DispenseDatabase(v, DBServer, DBName, DBUser, DBPassword)
 	db.process_requests()
 	cur_user = ''
 	cur_pin = ''
@@ -118,6 +132,7 @@ if __name__ == '__main__':
 			if timeout != None and timeout > 0: timeout -= 1
 			if len(scrolling_message) > 0:
 				need_repaint = True
+			last_tick = time.time()
 		if need_repaint and len(scrolling_message) > 0:
 			v.display(scrolling_message[0])
 			if scrolling_wraps:
@@ -135,8 +150,15 @@ if __name__ == '__main__':
 			continue
 
 		while True:
-			e = v.next_event(1)
-			if e == None: break
+			#print 'waiting for event'
+			e = v.next_event(0)
+			if e == None:
+				#print 'waiting harder for event'
+				e = v.next_event(0.1)
+				if e == None:
+					#print 'no event. passing'
+					break
+			#print 'got event'
 			(event, params) = e
 			print e
 			if event == DOOR:
@@ -166,7 +188,7 @@ if __name__ == '__main__':
 					if len(cur_user) == 5:
 						uid = int(cur_user)
 						if not has_good_pin(uid):
-							scrolling_message = [' INVALID  ', '   PIN', '  `SETUP', GREETING]
+							scrolling_message = map(center, ['INVALID','PIN','SETUP',GREETING])
 							scrolling_wraps = False
 							need_repaint = True
 							cur_user = ''
-- 
2.20.1