import pickle
from traceback import print_exc
from PyQt4 import QtCore

class Settings:
	fileName=None
	lines=[]
	
	def __init__(self, file='settings.txt'):
		self.fileName=file
		self.read()
	
	def get(self, name, default=None):
		for line in self.lines:
			if line[0:len(name)]==name:
				return line[len(name):].strip()
		return default
	
	def set(self, name, value):
		newvalue="%s\t%s"%(name,value)
		for i in xrange(len(self.lines)):
			line=self.lines[i]
			if line[0:len(name)]==name:
				self.lines[i]=newvalue
				self.write()
				return
		# new value to write
		self.lines.append(newvalue)
		self.write()
	
	def read(self):
		try:
			self.lines=[]
			f=open(self.fileName)
			while True:
				line=f.readline()
				if line=='':	break
				self.lines.append(line)
			f.close()
		except:
			print_exc()
	def write(self):
		f=open(self.fileName, 'wb')
		for line in self.lines:
			f.write("%s\n"%(line))
		f.close()


settings=Settings()
mpdSettings=Settings('%s/.mpdconf'%(QtCore.QDir.homePath()))