lib/python/Tools/Directories.py

   1 import os
   2
   3 SCOPE_TRANSPONDERDATA = 0
   4 SCOPE_SYSETC = 1
   5 SCOPE_FONTS = 2
   6 SCOPE_SKIN = 3
   7 SCOPE_SKIN_IMAGE = 4
   8 SCOPE_USERETC = 5
   9 SCOPE_CONFIG = 6
  10 SCOPE_LANGUAGE = 7
  11 SCOPE_HDD = 8
  12
  13 PATH_CREATE = 0
  14 PATH_DONTCREATE = 1
  15 PATH_FALLBACK = 2
  16 defaultPaths = {
  17                 SCOPE_TRANSPONDERDATA: ("/etc/", PATH_DONTCREATE),
  18                 SCOPE_SYSETC: ("/etc/", PATH_DONTCREATE),
  19                 SCOPE_FONTS: ("/usr/share/fonts/", PATH_DONTCREATE),
  20                 SCOPE_CONFIG: ("/etc/enigma2/", PATH_CREATE),
  21
  22                 SCOPE_LANGUAGE: ("/usr/share/enigma2/po/", PATH_CREATE),
  23
  24                 SCOPE_SKIN: ("/usr/share/enigma2/", PATH_DONTCREATE),
  25                 SCOPE_SKIN_IMAGE: ("/usr/share/enigma2/", PATH_DONTCREATE),
  26                 SCOPE_HDD: ("/hdd/movie/", PATH_DONTCREATE),
  27
  28                 SCOPE_USERETC: ("", PATH_DONTCREATE) # user home directory
  29         }
  30
  31 FILE_COPY = 0 # copy files from fallback dir to the basedir
  32 FILE_MOVE = 1 # move files
  33 PATH_COPY = 2 # copy the complete fallback dir to the basedir
  34 PATH_MOVE = 3 # move the fallback dir to the basedir (can be used for changes in paths)
  35 fallbackPaths = {
  36                 SCOPE_CONFIG: [("/home/root/", FILE_MOVE),
  37                                            ("/usr/share/enigma2/defaults/", FILE_COPY)],
  38                 SCOPE_HDD: [("/hdd/movies", PATH_MOVE)]
  39         }
  40
  41 def resolveFilename(scope, base = ""):
  42         path = defaultPaths[scope]
  43
  44         if path[1] == PATH_CREATE:
  45                 if (not pathExists(defaultPaths[scope][0])):
  46                         os.mkdir(path[0])
  47
  48         if not fileExists(path[0] + base):
  49                 #try:
  50                 if fallbackPaths.has_key(scope):
  51                         for x in fallbackPaths[scope]:
  52                                 if x[1] == FILE_COPY:
  53                                         if fileExists(x[0] + base):
  54                                                 os.system("cp " + x[0] + base + " " + path[0] + base)
  55                                                 break
  56                                 elif x[1] == FILE_MOVE:
  57                                         if fileExists(x[0] + base):
  58                                                 os.system("mv " + x[0] + base + " " + path[0] + base)
  59                                                 break
  60                                 elif x[1] == PATH_COPY:
  61                                         if pathExists(x[0]):
  62                                                 if not pathExists(defaultPaths[scope][0]):
  63                                                         os.mkdir(path[0])
  64                                                 os.system("cp -a " + x[0] + "* " + path[0])
  65                                                 break
  66                                 elif x[1] == PATH_MOVE:
  67                                         if pathExists(x[0]):
  68                                                 os.system("mv " + x[0] + " " + path[0])
  69                                                 break
  70
  71
  72         # FIXME: we also have to handle DATADIR etc. here.
  73         return path[0] + base
  74
  75         # this is only the BASE - an extension must be added later.
  76
  77 def pathExists(path):
  78         return os.path.exists(path)
  79
  80 def fileExists(f):
  81         try:
  82                 file = open(f)
  83         except IOError:
  84                 exists = 0
  85         else:
  86                 exists = 1
  87         return exists
  88
  89 def getRecordingFilename(basename):
  90
  91                 # filter out non-allowed characters
  92         non_allowed_characters = "/.\\"
  93
  94         filename = ""
  95         for c in basename:
  96                 if c in non_allowed_characters:
  97                         c = "_"
  98                 filename += c
  99
 100         i = 0
 101         while True:
 102                 path = resolveFilename(SCOPE_HDD, filename)
 103                 if i > 0:
 104                         path += "_%03d" % i
 105                 try:
 106                         open(path + ".ts")
 107                         i += 1
 108                 except IOError:
 109                         return path
 110
 111 # this is clearly a hack:
 112 def InitFallbackFiles():
 113         resolveFilename(SCOPE_CONFIG, "userbouquet.favourites.tv")
 114         resolveFilename(SCOPE_CONFIG, "bouquets.tv")