make use of fallback files in Tools.Directories when file or path is not in place
[enigma2.git] / lib / python / Tools / Directories.py
index 64c44cb..8fb5c09 100644 (file)
@@ -12,7 +12,7 @@ SCOPE_HDD = 8
 
 PATH_CREATE = 0
 PATH_DONTCREATE = 1
-
+PATH_FALLBACK = 2
 defaultPaths = {
                SCOPE_TRANSPONDERDATA: ("/etc/", PATH_DONTCREATE),
                SCOPE_SYSETC: ("/etc/", PATH_DONTCREATE),
@@ -27,23 +27,63 @@ defaultPaths = {
                
                SCOPE_USERETC: ("", PATH_DONTCREATE) # user home directory
        }
+       
+FILE_COPY = 0 # copy files from fallback dir to the basedir
+FILE_MOVE = 1 # move files
+PATH_COPY = 2 # copy the complete fallback dir to the basedir
+PATH_MOVE = 3 # move the fallback dir to the basedir (can be used for changes in paths)
+fallbackPaths = {
+               SCOPE_CONFIG: [("/home/root/", FILE_MOVE),
+                                          ("/usr/share/enigma2/defaults/", FILE_COPY)],
+               SCOPE_HDD: [("/hdd/movies", PATH_MOVE)]
+       }
 
 def resolveFilename(scope, base = ""):
-       # in future, we would check for file existence here,
-       # so we can provide default/fallbacks.
-       
+       print "getting scope", scope, "with base", base
        path = defaultPaths[scope]
-       if path[1] == PATH_CREATE:
-               if (not pathExists(scope)):
-                       os.mkdir(path[0])
+       print "path:", path
+       
+       if not fileExists(path[0] + base):
+               #try:
+               if fallbackPaths.has_key(scope):
+                       print 1
+                       for x in fallbackPaths[scope]:
+                               print x
+                               if x[1] == FILE_COPY:
+                                       if fileExists(x[0] + base):
+                                               os.system("cp " + x[0] + base + " " + path[0] + base)
+                               elif x[1] == FILE_MOVE:
+                                       if fileExists(x[0] + base):
+                                               os.system("mv " + x[0] + base + " " + path[0] + base)
+                               elif x[1] == PATH_COPY:
+                                       if pathExists(x[0]):
+                                               if not pathExists(defaultPaths[scope][0]):
+                                                       os.mkdir(path[0])
+                                               os.system("cp -a " + x[0] + "* " + path[0])
+                               elif x[1] == PATH_MOVE:
+                                       if pathExists(x[0]):
+                                               os.system("mv " + x[0] + " " + path[0])
+
+               if path[1] == PATH_CREATE:
+                       if (not pathExists(defaultPaths[scope][0])):
+                               os.mkdir(path[0])
        
        # FIXME: we also have to handle DATADIR etc. here.
        return path[0] + base
 
        # this is only the BASE - an extension must be added later.
        
-def pathExists(scope):
-       return os.path.exists(defaultPaths[scope][0])
+def pathExists(path):
+       return os.path.exists(path)
+
+def fileExists(f):
+       try:
+               file = open(f)
+       except IOError:
+               exists = 0
+       else:
+               exists = 1
+       return exists
 
 def getRecordingFilename(basename):
        
@@ -66,9 +106,8 @@ def getRecordingFilename(basename):
                        i += 1
                except IOError:
                        return path
-               
-# this fixes paths or files when changed in a new enigma2 version
-def fixOldDirectoryEntries():
-       if (os.path.exists("/hdd/movies")):
-               if (not os.path.exists(resolveFilename(SCOPE_HDD))):
-                       os.system("mv /hdd/movies " + resolveFilename(SCOPE_HDD))
+
+# this is clearly a hack:
+def InitFallbackFiles():
+       resolveFilename(SCOPE_CONFIG, "userbouquet.favourites.tv")
+       resolveFilename(SCOPE_CONFIG, "bouquets.tv")