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 SCOPE_PLUGINS = 9
  13
  14 PATH_CREATE = 0
  15 PATH_DONTCREATE = 1
  16 PATH_FALLBACK = 2
  17 defaultPaths = {
  18                 SCOPE_TRANSPONDERDATA: ("/etc/", PATH_DONTCREATE),
  19                 SCOPE_SYSETC: ("/etc/", PATH_DONTCREATE),
  20                 SCOPE_FONTS: ("/usr/share/fonts/", PATH_DONTCREATE),
  21                 SCOPE_CONFIG: ("/etc/enigma2/", PATH_CREATE),
  22                 SCOPE_PLUGINS: ("/usr/lib/enigma2/python/Plugins/", PATH_CREATE),
  23
  24                 SCOPE_LANGUAGE: ("/usr/share/enigma2/po/", PATH_CREATE),
  25
  26                 SCOPE_SKIN: ("/usr/share/enigma2/", PATH_DONTCREATE),
  27                 SCOPE_SKIN_IMAGE: ("/usr/share/enigma2/", PATH_DONTCREATE),
  28                 SCOPE_HDD: ("/hdd/movie/", PATH_DONTCREATE),
  29
  30                 SCOPE_USERETC: ("", PATH_DONTCREATE) # user home directory
  31         }
  32
  33 FILE_COPY = 0 # copy files from fallback dir to the basedir
  34 FILE_MOVE = 1 # move files
  35 PATH_COPY = 2 # copy the complete fallback dir to the basedir
  36 PATH_MOVE = 3 # move the fallback dir to the basedir (can be used for changes in paths)
  37 fallbackPaths = {
  38                 SCOPE_CONFIG: [("/home/root/", FILE_MOVE),
  39                                            ("/usr/share/enigma2/defaults/", FILE_COPY)],
  40                 SCOPE_HDD: [("/hdd/movies", PATH_MOVE)]
  41         }
  42
  43 def resolveFilename(scope, base = ""):
  44         path = defaultPaths[scope]
  45
  46         if path[1] == PATH_CREATE:
  47                 if (not pathExists(defaultPaths[scope][0])):
  48                         os.mkdir(path[0])
  49
  50         if not fileExists(path[0] + base):
  51                 #try:
  52                 if fallbackPaths.has_key(scope):
  53                         for x in fallbackPaths[scope]:
  54                                 if x[1] == FILE_COPY:
  55                                         if fileExists(x[0] + base):
  56                                                 os.system("cp " + x[0] + base + " " + path[0] + base)
  57                                                 break
  58                                 elif x[1] == FILE_MOVE:
  59                                         if fileExists(x[0] + base):
  60                                                 os.system("mv " + x[0] + base + " " + path[0] + base)
  61                                                 break
  62                                 elif x[1] == PATH_COPY:
  63                                         if pathExists(x[0]):
  64                                                 if not pathExists(defaultPaths[scope][0]):
  65                                                         os.mkdir(path[0])
  66                                                 os.system("cp -a " + x[0] + "* " + path[0])
  67                                                 break
  68                                 elif x[1] == PATH_MOVE:
  69                                         if pathExists(x[0]):
  70                                                 os.system("mv " + x[0] + " " + path[0])
  71                                                 break
  72
  73
  74         # FIXME: we also have to handle DATADIR etc. here.
  75         return path[0] + base
  76
  77         # this is only the BASE - an extension must be added later.
  78
  79 def pathExists(path):
  80         return os.path.exists(path)
  81
  82 def fileExists(f):
  83         try:
  84                 file = open(f)
  85         except IOError:
  86                 exists = 0
  87         else:
  88                 exists = 1
  89         return exists
  90
  91 def getRecordingFilename(basename):
  92                 # filter out non-allowed characters
  93         non_allowed_characters = "/.\\"
  94         filename = ""
  95
  96         basename = basename.replace('\xc2\x86', '').replace('\xc2\x87', '')
  97
  98         for c in basename:
  99                 if c in non_allowed_characters:
 100                         c = "_"
 101                 filename += c
 102
 103         i = 0
 104         while True:
 105                 path = resolveFilename(SCOPE_HDD, filename)
 106                 if i > 0:
 107                         path += "_%03d" % i
 108                 try:
 109                         open(path + ".ts")
 110                         i += 1
 111                 except IOError:
 112                         return path
 113
 114 # this is clearly a hack:
 115 def InitFallbackFiles():
 116         resolveFilename(SCOPE_CONFIG, "userbouquet.favourites.tv")
 117         resolveFilename(SCOPE_CONFIG, "bouquets.tv")