code.vuplus.com Git - vuplus_dvbapp/blob - lib/python/Tools/Directories.py

   1 # -*- coding: utf-8 -*-
   2 from os import path as os_path, mkdir, system, walk
   3 from re import compile
   4
   5 SCOPE_TRANSPONDERDATA = 0
   6 SCOPE_SYSETC = 1
   7 SCOPE_FONTS = 2
   8 SCOPE_SKIN = 3
   9 SCOPE_SKIN_IMAGE = 4
  10 SCOPE_USERETC = 5
  11 SCOPE_CONFIG = 6
  12 SCOPE_LANGUAGE = 7
  13 SCOPE_HDD = 8
  14 SCOPE_PLUGINS = 9
  15 SCOPE_MEDIA = 10
  16 SCOPE_PLAYLIST = 11
  17 SCOPE_CURRENT_SKIN = 12
  18 SCOPE_DEFAULTDIR = 13
  19 SCOPE_DEFAULTPARTITION = 14
  20
  21 PATH_CREATE = 0
  22 PATH_DONTCREATE = 1
  23 PATH_FALLBACK = 2
  24 defaultPaths = {
  25                 SCOPE_TRANSPONDERDATA: ("/etc/", PATH_DONTCREATE),
  26                 SCOPE_SYSETC: ("/etc/", PATH_DONTCREATE),
  27                 SCOPE_FONTS: ("/usr/share/fonts/", PATH_DONTCREATE),
  28                 SCOPE_CONFIG: ("/etc/enigma2/", PATH_CREATE),
  29                 SCOPE_PLUGINS: ("/usr/lib/enigma2/python/Plugins/", PATH_CREATE),
  30
  31                 SCOPE_LANGUAGE: ("/usr/share/enigma2/po/", PATH_DONTCREATE),
  32
  33                 SCOPE_SKIN: ("/usr/share/enigma2/", PATH_DONTCREATE),
  34                 SCOPE_SKIN_IMAGE: ("/usr/share/enigma2/", PATH_DONTCREATE),
  35                 SCOPE_HDD: ("/hdd/movie/", PATH_DONTCREATE),
  36                 SCOPE_MEDIA: ("/media/", PATH_DONTCREATE),
  37                 SCOPE_PLAYLIST: ("/etc/enigma2/playlist/", PATH_CREATE),
  38
  39                 SCOPE_USERETC: ("", PATH_DONTCREATE), # user home directory
  40
  41                 SCOPE_DEFAULTDIR: ("/usr/share/enigma2/defaults/", PATH_CREATE),
  42                 SCOPE_DEFAULTPARTITION: ("/dev/mtdblock/4", PATH_DONTCREATE),
  43         }
  44
  45 FILE_COPY = 0 # copy files from fallback dir to the basedir
  46 FILE_MOVE = 1 # move files
  47 PATH_COPY = 2 # copy the complete fallback dir to the basedir
  48 PATH_MOVE = 3 # move the fallback dir to the basedir (can be used for changes in paths)
  49 fallbackPaths = {
  50                 SCOPE_CONFIG: [("/home/root/", FILE_MOVE),
  51                                            ("/usr/share/enigma2/defaults/", FILE_COPY)],
  52                 SCOPE_HDD: [("/hdd/movies", PATH_MOVE)]
  53         }
  54
  55 def resolveFilename(scope, base = "", path_prefix = None):
  56         if base[0:2] == "~/":
  57                 # you can only use the ~/ if we have a prefix directory
  58                 assert path_prefix is not None
  59                 base = os_path.join(path_prefix, base[2:])
  60
  61         # don't resolve absolute paths
  62         if base[0:1] == '/':
  63                 return base
  64
  65         if scope == SCOPE_CURRENT_SKIN:
  66                 from Components.config import config
  67                 tmp = defaultPaths[SCOPE_SKIN]
  68                 pos = config.skin.primary_skin.value.rfind('/')
  69                 if pos != -1:
  70                         path = tmp[0]+config.skin.primary_skin.value[:pos+1]
  71                 else:
  72                         path = tmp[0]
  73         else:
  74                 tmp = defaultPaths[scope]
  75                 path = tmp[0]
  76
  77         flags = tmp[1]
  78
  79         if flags == PATH_CREATE:
  80                 if not pathExists(path):
  81                         mkdir(path)
  82
  83         fallbackPath = fallbackPaths.get(scope)
  84
  85         if fallbackPath and not fileExists(path + base):
  86                 for x in fallbackPath:
  87                         if x[1] == FILE_COPY:
  88                                 if fileExists(x[0] + base):
  89                                         system("cp " + x[0] + base + " " + path + base)
  90                                         break
  91                         elif x[1] == FILE_MOVE:
  92                                 if fileExists(x[0] + base):
  93                                         system("mv " + x[0] + base + " " + path + base)
  94                                         break
  95                         elif x[1] == PATH_COPY:
  96                                 if pathExists(x[0]):
  97                                         if not pathExists(defaultPaths[scope][0]):
  98                                                 mkdir(path)
  99                                         system("cp -a " + x[0] + "* " + path)
 100                                         break
 101                         elif x[1] == PATH_MOVE:
 102                                 if pathExists(x[0]):
 103                                         system("mv " + x[0] + " " + path)
 104                                         break
 105
 106         # FIXME: we also have to handle DATADIR etc. here.
 107         return path + base
 108         # this is only the BASE - an extension must be added later.
 109
 110 def pathExists(path):
 111         return os_path.exists(path)
 112
 113 def createDir(path):
 114         try:
 115                 mkdir(path)
 116         except:
 117                 ret = 0
 118         else:
 119                 ret = 1
 120         return ret
 121
 122 def fileExists(f, mode='r'):
 123         try:
 124                 file = open(f, mode)
 125         except IOError:
 126                 exists = 0
 127         else:
 128                 exists = 1
 129         return exists
 130
 131 def getRecordingFilename(basename, dirname = None):
 132         # filter out non-allowed characters
 133         non_allowed_characters = "/.\\:*?<>|\""
 134         filename = ""
 135
 136         basename = basename.replace('\xc2\x86', '').replace('\xc2\x87', '')
 137
 138         for c in basename:
 139                 if c in non_allowed_characters:
 140                         c = "_"
 141                 filename += c
 142
 143         if dirname is not None:
 144                 filename = ''.join([dirname, filename])
 145
 146         i = 0
 147         while True:
 148                 path = resolveFilename(SCOPE_HDD, filename)
 149                 if i > 0:
 150                         path += "_%03d" % i
 151                 try:
 152                         open(path + ".ts")
 153                         i += 1
 154                 except IOError:
 155                         return path
 156
 157 # this is clearly a hack:
 158 def InitFallbackFiles():
 159         resolveFilename(SCOPE_CONFIG, "userbouquet.favourites.tv")
 160         resolveFilename(SCOPE_CONFIG, "bouquets.tv")
 161         resolveFilename(SCOPE_CONFIG, "userbouquet.favourites.radio")
 162         resolveFilename(SCOPE_CONFIG, "bouquets.radio")
 163
 164 # returns a list of tuples containing pathname and filename matching the given pattern
 165 # example-pattern: match all txt-files: ".*\.txt$"
 166 def crawlDirectory(directory, pattern):
 167         expression = compile(pattern)
 168         list = []
 169         for root, dirs, files in walk(directory):
 170                 for file in files:
 171                         if expression.match(file) is not None:
 172                                 list.append((root, file))
 173         return list