# Copyright (c) 2004-5 Marek Hnilica. All rights reserved.
# Module for parsing settings file
# Distributed under GPL version 2, or (at your option) later

import string
class Data:
	def __init__(self,filename):
		self.Settings={}
		try:
			self.Settings=self.__ReadAllData(filename)
		except:
			pass
		self.Filename=filename
	def __ReadAllData(self,filename):
		file=open(filename,'r')
		d=file.readlines()
		cd={}
		for i in d: 
			spl=string.split(string.strip(i),'=')
			try:
				spl[1]=int(spl[1])
			except:
				try:
					spl[1]=float(spl[1])
				except:
					if spl[1][0]=='(' or spl[1][0]=='[':
						WasDict=0
						if spl[1][0]=='[':WasDict=1
						spl[1]=string.split(spl[1][1:-1],',')
						d=[]
						for i in spl[1]:
							try:
								i=int(i)
							except:
								try:
									i=float(i)
								except:
									pass
							d.append(i)
						if WasDict:spl[1]=list(d)
						else: spl[1]=tuple(d)
			cd[spl[0]]=spl[1]
		return cd
		file.close()
	def GetValue(self,ValueName):
		try:
			return self.Settings[ValueName]
		except:
			return None
	def AddEntry(self,entry):
# must get list with this structure:
# [variable_name,variable]
		self.Settings[entry[0]]=entry[1]
	def AddEntries(self,entries):
		for i in entries:
			self.AddEntry(i)
	def SaveFile(self):
 		file=open(self.Filename,'w')
		text=''
		for i in self.Settings:
			text+=i+'='+str(self.Settings[i])+'\n'
		string.strip(text)
		file.write(text)
		file.close()