Multiple improvements

CardList.py

@@ -0,0 +1,39 @@
+import csv
+import os.path
+import sys
+
+class CardList:
+	def __init__(self):
+		self.path = os.path.dirname(os.path.realpath(__file__))
+		self.cardList = self.readList()
+		
+	def readList(self):
+		with open(self.path + '/cardList.csv', mode='r') as infile:
+			reader = csv.reader(infile)
+			cardList = {rows[0]:rows[1] for rows in reader}
+			infile.close()
+		return cardList
+	
+	def getPlaylist(self,card):
+		self.cardList = self.readList()
+		try:
+			return self.cardList[card]
+		except:
+			print 'Card %s is not card list' % card
+			return ''
+	
+	def addPlaylist(self, card, plist):
+		try:
+			if card not in self.cardList.keys():
+				f = open(self.path + '/cardList.csv', 'a')
+				f.write(card + ',' + plist + '\n')
+				self.cardList[card] = plist
+			else:
+				print 'Card %s is already used' % card
+		except:
+			print 'Could not write file'
+			if not os.path.isfile(self.path + '/cardList.csv'):
+				print 'File cardList.csv does not exist'
+			
+			
+			

Reader.py

@@ -0,0 +1,38 @@
+import string
+import csv
+import os.path
+import sys
+
+from evdev import InputDevice, categorize, ecodes, list_devices
+from select import select
+class Reader:
+	def __init__(self):
+		path = os.path.dirname(os.path.realpath(__file__))
+		self.keys = "X^1234567890XXXXqwertzuiopXXXXasdfghjklXXXXXyxcvbnmXXXXXXXXXXXXXXXXXXXXXXX"
+		if not os.path.isfile(path + '/deviceName.txt'):
+			sys.exit('Please run config.py first')
+		else: 
+			with open(path + '/deviceName.txt','r') as f:
+				deviceName = f.read()
+			devices = [InputDevice(fn) for fn in list_devices()]
+			for device in devices:
+				if device.name == deviceName:
+					self.dev = device
+					break 		
+			try:
+				self.dev
+			except:
+				sys.exit('Could not find the device %s\n. Make sure is connected' % deviceName)
+		
+	def readCard(self):
+		stri=''
+		key = ''
+		while key != 'KEY_ENTER':
+		   r,w,x = select([self.dev], [], [])
+		   for event in self.dev.read():
+			if event.type==1 and event.value==1:
+				stri+=self.keys[ event.code ]
+				#print( keys[ event.code ] )
+				key = ecodes.KEY[ event.code ]
+		return stri[:-1]
+

box.py

@@ -2,27 +2,53 @@
 from mpd import MPDClient
 from readtest import *
 import re
+from CardList import CardList
+from Reader import Reader
+import sys
 
-while True:
+
+def connectMPD():
 	try:
-		card = readCard()
-		cardList = readList()
-		plist=cardList[card]
 		client = MPDClient()               # create client object
-		client.timeout = 10                # network timeout in seconds (floats allowed), default: None
+		client.timeout = 200               # network timeout in seconds (floats allowed), default: None
 		client.idletimeout = None  
 		print "Connecting..."
 		client.connect("localhost", 6600) 
 		print "Connected!"
-		if plist=='pause':
-			client.pause()
-		else:
-			client.stop()
-			client.clear()
-			client.add(plist)
-			if re.search('playlist',plist):
-				client.shuffle()
-			client.play()
-		client.close()
+		return client
+	except:
+		print 'Could not connect to MPD server'
+
+def play(client, plist):
+	try:
+		client.stop()
+		client.clear()
+		client.add(plist)
+		if re.search('playlist',plist):
+			client.shuffle()
+		client.play()
+	except:
+		print 'Could not play playlist %s' % plist 
+
+reader = Reader()
+cardList = CardList()
+
+print 'Ready: place a card on top of the reader'
+
+while True:
+	try:
+		card = reader.readCard()
+		print 'Read card', card
+		plist = cardList.getPlaylist(card)
+		print 'Playlist', plist
+		if plist != '':
+			client = connectMPD()
+			if plist=='pause':
+				client.pause()
+			else:
+				play(client, plist)
+			client.close()
+	except KeyboardInterrupt:
+		sys.exit(0)
 	except:
 		pass

config.py

@@ -0,0 +1,18 @@
+import os.path
+from evdev import InputDevice, list_devices
+
+devices = [InputDevice(fn) for fn in list_devices()]
+path = os.path.dirname(os.path.realpath(__file__))
+i = 0
+print "Choose the reader from list"
+for dev in devices:
+	print i, dev.name
+	i += 1
+
+dev_id = int(raw_input('Device Number: '))
+
+with open(path + '/deviceName.txt','w') as f:
+	f.write(devices[dev_id].name)
+	f.close()
+
+