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
  45         # don't resolve absolute paths
  46         if len(base) and base[0] == '/':
  47                 return base
  48
  49         path = defaultPaths[scope]
  50
  51         if path[1] == PATH_CREATE:
  52                 if (not pathExists(defaultPaths[scope][0])):
  53                         os.mkdir(path[0])
  54
  55         #if len(base) > 0 and base[0] == '/':
  56                 #path = ("", None)
  57
  58         if not fileExists(path[0] + base):
  59                 #try:
  60                 if fallbackPaths.has_key(scope):
  61                         for x in fallbackPaths[scope]:
  62                                 if x[1] == FILE_COPY:
  63                                         if fileExists(x[0] + base):
  64                                                 os.system("cp " + x[0] + base + " " + path[0] + base)
  65                                                 break
  66                                 elif x[1] == FILE_MOVE:
  67                                         if fileExists(x[0] + base):
  68                                                 os.system("mv " + x[0] + base + " " + path[0] + base)
  69                                                 break
  70                                 elif x[1] == PATH_COPY:
  71                                         if pathExists(x[0]):
  72                                                 if not pathExists(defaultPaths[scope][0]):
  73                                                         os.mkdir(path[0])
  74                                                 os.system("cp -a " + x[0] + "* " + path[0])
  75                                                 break
  76                                 elif x[1] == PATH_MOVE:
  77                                         if pathExists(x[0]):
  78                                                 os.system("mv " + x[0] + " " + path[0])
  79                                                 break
  80
  81
  82         # FIXME: we also have to handle DATADIR etc. here.
  83         return path[0] + base
  84
  85         # this is only the BASE - an extension must be added later.
  86
  87 def pathExists(path):
  88         return os.path.exists(path)
  89
  90 def fileExists(f):
  91         try:
  92                 file = open(f)
  93         except IOError:
  94                 exists = 0
  95         else:
  96                 exists = 1
  97         return exists
  98
  99 def getRecordingFilename(basename):
 100                 # filter out non-allowed characters
 101         non_allowed_characters = "/.\\"
 102         filename = ""
 103
 104         basename = basename.replace('\xc2\x86', '').replace('\xc2\x87', '')
 105
 106         for c in basename:
 107                 if c in non_allowed_characters:
 108                         c = "_"
 109                 filename += c
 110
 111         i = 0
 112         while True:
 113                 path = resolveFilename(SCOPE_HDD, filename)
 114                 if i > 0:
 115                         path += "_%03d" % i
 116                 try:
 117                         open(path + ".ts")
 118                         i += 1
 119                 except IOError:
 120                         return path
 121
 122 # this is clearly a hack:
 123 def InitFallbackFiles():
 124         resolveFilename(SCOPE_CONFIG, "userbouquet.favourites.tv")
 125         resolveFilename(SCOPE_CONFIG, "bouquets.tv")