lib/python/Components/Timezones.py

   1 from xml.sax import make_parser
   2 from xml.sax.handler import ContentHandler
   3
   4 from os import environ, unlink, symlink
   5 import time
   6
   7 class Timezones:
   8         class parseTimezones(ContentHandler):
   9                 def __init__(self, timezones):
  10                         self.isPointsElement, self.isReboundsElement = 0, 0
  11                         self.timezones = timezones
  12
  13                 def startElement(self, name, attrs):
  14                         if (name == "zone"):
  15                                 self.timezones.append((attrs.get('name',""), attrs.get('zone',"")))
  16
  17         def __init__(self):
  18                 self.timezones = []
  19
  20                 self.readTimezonesFromFile()
  21
  22         def readTimezonesFromFile(self):
  23                 parser = make_parser()
  24
  25                 try:
  26                         timezonesHandler = self.parseTimezones(self.timezones)
  27                         parser.setContentHandler(timezonesHandler)
  28                         parser.parse('/etc/timezone.xml')
  29                 except:
  30                         pass
  31
  32                 if len(self.timezones) == 0:
  33                         self.timezones = [("UTC", "UTC")]
  34
  35         def activateTimezone(self, index):
  36                 if len(self.timezones) <= index:
  37                         return
  38
  39                 environ['TZ'] = self.timezones[index][1]
  40                 try:
  41                         unlink("/etc/localtime")
  42                 except OSError:
  43                         pass
  44                 try:
  45                         symlink("/usr/share/zoneinfo/%s" %(self.timezones[index][1]), "/etc/localtime")
  46                 except OSError:
  47                         pass
  48                 try:
  49                         time.tzset()
  50                 except:
  51                         from enigma import e_tzset
  52                         e_tzset()
  53
  54         def getTimezoneList(self):
  55                 list = []
  56                 for x in self.timezones:
  57                         list.append(str(x[0]))
  58                 return list
  59
  60         def getDefaultTimezone(self):
  61                 # TODO return something more useful - depending on country-settings?
  62                 t = "(GMT+01:00) Amsterdam, Berlin, Bern, Rome, Vienna"
  63                 for (a,b) in self.timezones:
  64                         if a == t:
  65                                 return a
  66                 return self.timezones[0][0]
  67
  68 timezones = Timezones()