lib/python/Components/FileList.py

   1 from re import compile as re_compile
   2 from os import path as os_path, listdir
   3 from MenuList import MenuList
   4 from Components.Harddisk import harddiskmanager
   5
   6 from Tools.Directories import SCOPE_SKIN_IMAGE, resolveFilename
   7
   8 from enigma import RT_HALIGN_LEFT, eListboxPythonMultiContent, \
   9         eServiceReference, eServiceCenter, gFont
  10 from Tools.LoadPixmap import LoadPixmap
  11
  12 EXTENSIONS = {
  13                 "m4a": "music",
  14                 "mp2": "music",
  15                 "mp3": "music",
  16                 "wav": "music",
  17                 "ogg": "music",
  18                 "flac": "music",
  19                 "jpg": "picture",
  20                 "jpeg": "picture",
  21                 "png": "picture",
  22                 "bmp": "picture",
  23                 "ts": "movie",
  24                 "avi": "movie",
  25                 "divx": "movie",
  26                 "mpg": "movie",
  27                 "mpeg": "movie",
  28                 "mkv": "movie",
  29                 "mp4": "movie"
  30         }
  31
  32 def FileEntryComponent(name, absolute = None, isDir = False):
  33         res = [ (absolute, isDir) ]
  34         res.append((eListboxPythonMultiContent.TYPE_TEXT, 35, 1, 470, 20, 0, RT_HALIGN_LEFT, name))
  35         if isDir:
  36                 png = LoadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, "extensions/directory.png"))
  37         else:
  38                 extension = name.split('.')
  39                 extension = extension[-1].lower()
  40                 if EXTENSIONS.has_key(extension):
  41                         png = LoadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, "extensions/" + EXTENSIONS[extension] + ".png"))
  42                 else:
  43                         png = None
  44         if png is not None:
  45                 res.append((eListboxPythonMultiContent.TYPE_PIXMAP_ALPHATEST, 10, 2, 20, 20, png))
  46
  47         return res
  48
  49 class FileList(MenuList):
  50         def __init__(self, directory, showDirectories = True, showFiles = True, showMountpoints = True, matchingPattern = None, useServiceRef = False, inhibitDirs = False, inhibitMounts = False, isTop = False, enableWrapAround = False, additionalExtensions = None):
  51                 MenuList.__init__(self, list, enableWrapAround, eListboxPythonMultiContent)
  52                 self.additional_extensions = additionalExtensions
  53                 self.mountpoints = []
  54                 self.current_directory = None
  55                 self.current_mountpoint = None
  56                 self.useServiceRef = useServiceRef
  57                 self.showDirectories = showDirectories
  58                 self.showMountpoints = showMountpoints
  59                 self.showFiles = showFiles
  60                 self.isTop = isTop
  61                 # example: matching .nfi and .ts files: "^.*\.(nfi|ts)"
  62                 self.matchingPattern = matchingPattern
  63                 self.inhibitDirs = inhibitDirs or []
  64                 self.inhibitMounts = inhibitMounts or []
  65
  66                 self.refreshMountpoints()
  67                 self.changeDir(directory)
  68                 self.l.setFont(0, gFont("Regular", 18))
  69                 self.l.setItemHeight(23)
  70                 self.serviceHandler = eServiceCenter.getInstance()
  71
  72         def refreshMountpoints(self):
  73                 self.mountpoints = [os_path.join(p.mountpoint, "") for p in harddiskmanager.getMountedPartitions()]
  74                 self.mountpoints.sort(reverse = True)
  75
  76         def getMountpoint(self, file):
  77                 file = os_path.join(os_path.realpath(file), "")
  78                 for m in self.mountpoints:
  79                         if file.startswith(m):
  80                                 return m
  81                 return False
  82
  83         def getMountpointLink(self, file):
  84                 if os_path.realpath(file) == file:
  85                         return self.getMountpoint(file)
  86                 else:
  87                         if file[-1] == "/":
  88                                 file = file[:-1]
  89                         mp = self.getMountpoint(file)
  90                         last = file
  91                         file = os_path.dirname(file)
  92                         while last != "/" and mp == self.getMountpoint(file):
  93                                 last = file
  94                                 file = os_path.dirname(file)
  95                         return os_path.join(last, "")
  96
  97         def getSelection(self):
  98                 if self.l.getCurrentSelection() is None:
  99                         return None
 100                 return self.l.getCurrentSelection()[0]
 101
 102         def getCurrentEvent(self):
 103                 l = self.l.getCurrentSelection()
 104                 if not l or l[0][1] == True:
 105                         return None
 106                 else:
 107                         return self.serviceHandler.info(l[0][0]).getEvent(l[0][0])
 108
 109         def getFileList(self):
 110                 return self.list
 111
 112         def inParentDirs(self, dir, parents):
 113                 dir = os_path.realpath(dir)
 114                 for p in parents:
 115                         if dir.startswith(p):
 116                                 return True
 117                 return False
 118
 119         def changeDir(self, directory, select = None):
 120                 self.list = []
 121
 122                 if directory and not os_path.isdir(directory):
 123                         directory = None
 124                 # if we are just entering from the list of mount points:
 125                 if self.current_directory is None:
 126                         if directory and self.showMountpoints:
 127                                 self.current_mountpoint = self.getMountpointLink(directory)
 128                         else:
 129                                 self.current_mountpoint = None
 130                 self.current_directory = directory
 131                 directories = []
 132                 files = []
 133
 134                 if directory is None and self.showMountpoints: # present available mountpoints
 135                         for p in harddiskmanager.getMountedPartitions():
 136                                 path = os_path.join(p.mountpoint, "")
 137                                 if path not in self.inhibitMounts and not self.inParentDirs(path, self.inhibitDirs):
 138                                         self.list.append(FileEntryComponent(name = p.description, absolute = path, isDir = True))
 139                         files = [ ]
 140                         directories = [ ]
 141                 elif self.useServiceRef:
 142                         root = eServiceReference("2:0:1:0:0:0:0:0:0:0:" + directory)
 143                         if self.additional_extensions:
 144                                 root.setName(self.additional_extensions)
 145                         serviceHandler = eServiceCenter.getInstance()
 146                         list = serviceHandler.list(root)
 147
 148                         while 1:
 149                                 s = list.getNext()
 150                                 if not s.valid():
 151                                         del list
 152                                         break
 153                                 if s.flags & s.mustDescent:
 154                                         directories.append(s.getPath())
 155                                 else:
 156                                         files.append(s)
 157                         directories.sort()
 158                         files.sort()
 159                 else:
 160                         if os_path.exists(directory):
 161                                 files = listdir(directory)
 162                                 files.sort()
 163                                 tmpfiles = files[:]
 164                                 for x in tmpfiles:
 165                                         if os_path.isdir(directory + x):
 166                                                 directories.append(directory + x + "/")
 167                                                 files.remove(x)
 168
 169                 if directory is not None and self.showDirectories and not self.isTop:
 170                         if directory == self.current_mountpoint and self.showMountpoints:
 171                                 self.list.append(FileEntryComponent(name = "<" +_("List of Storage Devices") + ">", absolute = None, isDir = True))
 172                         elif (directory != "/") and not (self.inhibitMounts and self.getMountpoint(directory) in self.inhibitMounts):
 173                                 self.list.append(FileEntryComponent(name = "<" +_("Parent Directory") + ">", absolute = '/'.join(directory.split('/')[:-2]) + '/', isDir = True))
 174
 175                 if self.showDirectories:
 176                         for x in directories:
 177                                 if not (self.inhibitMounts and self.getMountpoint(x) in self.inhibitMounts) and not self.inParentDirs(x, self.inhibitDirs):
 178                                         name = x.split('/')[-2]
 179                                         self.list.append(FileEntryComponent(name = name, absolute = x, isDir = True))
 180
 181                 if self.showFiles:
 182                         for x in files:
 183                                 if self.useServiceRef:
 184                                         path = x.getPath()
 185                                         name = path.split('/')[-1]
 186                                 else:
 187                                         path = directory + x
 188                                         name = x
 189
 190                                 if (self.matchingPattern is None) or re_compile(self.matchingPattern).search(path):
 191                                         self.list.append(FileEntryComponent(name = name, absolute = x , isDir = False))
 192
 193                 self.l.setList(self.list)
 194
 195                 if select is not None:
 196                         i = 0
 197                         self.moveToIndex(0)
 198                         for x in self.list:
 199                                 p = x[0][0]
 200
 201                                 if isinstance(p, eServiceReference):
 202                                         p = p.getPath()
 203
 204                                 if p == select:
 205                                         self.moveToIndex(i)
 206                                 i += 1
 207
 208         def getCurrentDirectory(self):
 209                 return self.current_directory
 210
 211         def canDescent(self):
 212                 if self.getSelection() is None:
 213                         return False
 214                 return self.getSelection()[1]
 215
 216         def descent(self):
 217                 if self.getSelection() is None:
 218                         return
 219                 self.changeDir(self.getSelection()[0], select = self.current_directory)
 220
 221         def getFilename(self):
 222                 if self.getSelection() is None:
 223                         return None
 224                 x = self.getSelection()[0]
 225                 if isinstance(x, eServiceReference):
 226                         x = x.getPath()
 227                 return x
 228
 229         def getServiceRef(self):
 230                 if self.getSelection() is None:
 231                         return None
 232                 x = self.getSelection()[0]
 233                 if isinstance(x, eServiceReference):
 234                         return x
 235                 return None
 236
 237         def execBegin(self):
 238                 harddiskmanager.on_partition_list_change.append(self.partitionListChanged)
 239
 240         def execEnd(self):
 241                 harddiskmanager.on_partition_list_change.remove(self.partitionListChanged)
 242
 243         def refresh(self):
 244                 self.changeDir(self.current_directory, self.getFilename())
 245
 246         def partitionListChanged(self, action, device):
 247                 self.refreshMountpoints()
 248                 if self.current_directory is None:
 249                         self.refresh()