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 SCOPE_MEDIA = 10
  14
  15 PATH_CREATE = 0
  16 PATH_DONTCREATE = 1
  17 PATH_FALLBACK = 2
  18 defaultPaths = {
  19                 SCOPE_TRANSPONDERDATA: ("/etc/", PATH_DONTCREATE),
  20                 SCOPE_SYSETC: ("/etc/", PATH_DONTCREATE),
  21                 SCOPE_FONTS: ("/usr/share/fonts/", PATH_DONTCREATE),
  22                 SCOPE_CONFIG: ("/etc/enigma2/", PATH_CREATE),
  23                 SCOPE_PLUGINS: ("/usr/lib/enigma2/python/Plugins/", PATH_CREATE),
  24
  25                 SCOPE_LANGUAGE: ("/usr/share/enigma2/po/", PATH_CREATE),
  26
  27                 SCOPE_SKIN: ("/usr/share/enigma2/", PATH_DONTCREATE),
  28                 SCOPE_SKIN_IMAGE: ("/usr/share/enigma2/", PATH_DONTCREATE),
  29                 SCOPE_HDD: ("/hdd/movie/", PATH_DONTCREATE),
  30                 SCOPE_MEDIA: ("/media/", PATH_DONTCREATE),
  31
  32                 SCOPE_USERETC: ("", PATH_DONTCREATE) # user home directory
  33         }
  34
  35 FILE_COPY = 0 # copy files from fallback dir to the basedir
  36 FILE_MOVE = 1 # move files
  37 PATH_COPY = 2 # copy the complete fallback dir to the basedir
  38 PATH_MOVE = 3 # move the fallback dir to the basedir (can be used for changes in paths)
  39 fallbackPaths = {
  40                 SCOPE_CONFIG: [("/home/root/", FILE_MOVE),
  41                                            ("/usr/share/enigma2/defaults/", FILE_COPY)],
  42                 SCOPE_HDD: [("/hdd/movies", PATH_MOVE)]
  43         }
  44
  45 def resolveFilename(scope, base = "", path_prefix = None):
  46         if base[0:2] == "~/":
  47                 # you can only use the ~/ if we have a prefix directory
  48                 assert path_prefix is not None
  49                 base = path_prefix + base[2:]
  50
  51         # don't resolve absolute paths
  52         if base[0:1] == '/':
  53                 return base
  54
  55         path = defaultPaths[scope]
  56
  57         if path[1] == PATH_CREATE:
  58                 if (not pathExists(defaultPaths[scope][0])):
  59                         os.mkdir(path[0])
  60
  61         #if len(base) > 0 and base[0] == '/':
  62                 #path = ("", None)
  63
  64         if not fileExists(path[0] + base):
  65                 #try:
  66                 if fallbackPaths.has_key(scope):
  67                         for x in fallbackPaths[scope]:
  68                                 if x[1] == FILE_COPY:
  69                                         if fileExists(x[0] + base):
  70                                                 os.system("cp " + x[0] + base + " " + path[0] + base)
  71                                                 break
  72                                 elif x[1] == FILE_MOVE:
  73                                         if fileExists(x[0] + base):
  74                                                 os.system("mv " + x[0] + base + " " + path[0] + base)
  75                                                 break
  76                                 elif x[1] == PATH_COPY:
  77                                         if pathExists(x[0]):
  78                                                 if not pathExists(defaultPaths[scope][0]):
  79                                                         os.mkdir(path[0])
  80                                                 os.system("cp -a " + x[0] + "* " + path[0])
  81                                                 break
  82                                 elif x[1] == PATH_MOVE:
  83                                         if pathExists(x[0]):
  84                                                 os.system("mv " + x[0] + " " + path[0])
  85                                                 break
  86
  87
  88         # FIXME: we also have to handle DATADIR etc. here.
  89         return path[0] + base
  90
  91         # this is only the BASE - an extension must be added later.
  92
  93 def pathExists(path):
  94         return os.path.exists(path)
  95
  96 def fileExists(f):
  97         try:
  98                 file = open(f)
  99         except IOError:
 100                 exists = 0
 101         else:
 102                 exists = 1
 103         return exists
 104
 105 def getRecordingFilename(basename):
 106                 # filter out non-allowed characters
 107         non_allowed_characters = "/.\\:*?<>|\""
 108         filename = ""
 109
 110         basename = basename.replace('\xc2\x86', '').replace('\xc2\x87', '')
 111
 112         for c in basename:
 113                 if c in non_allowed_characters:
 114                         c = "_"
 115                 filename += c
 116
 117         i = 0
 118         while True:
 119                 path = resolveFilename(SCOPE_HDD, filename)
 120                 if i > 0:
 121                         path += "_%03d" % i
 122                 try:
 123                         open(path + ".ts")
 124                         i += 1
 125                 except IOError:
 126                         return path
 127
 128 # this is clearly a hack:
 129 def InitFallbackFiles():
 130         resolveFilename(SCOPE_CONFIG, "userbouquet.favourites.tv")
 131         resolveFilename(SCOPE_CONFIG, "bouquets.tv")