plugin.py

   1 import os, shutil, re
   2 from urllib import unquote, unquote_plus
   3 from urlparse import urlparse
   4
   5 def GetPlugin(name):
   6     module_name = '.'.join(['plugins', name, name])
   7     module = __import__(module_name, globals(), locals(), name)
   8     plugin = getattr(module, module.CLASS_NAME)()
   9     return plugin
  10
  11 class Plugin(object):
  12
  13     CONTENT_TYPE = ''
  14
  15     def __new__(cls, *args, **kwds):
  16         it = cls.__dict__.get('__it__')
  17         if it is not None:
  18             return it
  19         cls.__it__ = it = object.__new__(cls)
  20         it.init(*args, **kwds)
  21         return it
  22
  23     def init(self):
  24         pass
  25
  26     def send_file(self, handler, container, name):
  27         o = urlparse("http://fake.host" + handler.path)
  28         path = unquote_plus(o[2])
  29         handler.send_response(200)
  30         handler.end_headers()
  31         f = file(container['path'] + path[len(name)+1:], 'rb')
  32         shutil.copyfileobj(f, handler.wfile)
  33
  34     def get_local_path(self, handler, query):
  35
  36         subcname = query['Container'][0]
  37         container = handler.server.containers[subcname.split('/')[0]]
  38
  39         path = container['path']
  40         for folder in subcname.split('/')[1:]:
  41             if folder == '..':
  42                 return False
  43             path = os.path.join(path, folder)
  44         return path
  45
  46     def get_files(self, handler, query, filterFunction=None):
  47         subcname = query['Container'][0]
  48         path = self.get_local_path(handler, query)
  49
  50         files = os.listdir(path)
  51         if filterFunction:
  52             files = filter(filterFunction, files)
  53         totalFiles = len(files)
  54
  55         def dir_sort(x, y):
  56             xdir = os.path.isdir(os.path.join(path, x))
  57             ydir = os.path.isdir(os.path.join(path, y))
  58
  59             if xdir and ydir:
  60                 return name_sort(x, y)
  61             elif xdir:
  62                 return -1
  63             elif ydir:
  64                 return 1
  65             else:
  66                 return name_sort(x, y)
  67
  68         def name_sort(x, y):
  69             numbername = re.compile(r'(\d*)(.*)')
  70             m = numbername.match(x)
  71             xNumber = m.group(1)
  72             xStr = m.group(2)
  73             m = numbername.match(y)
  74             yNumber = m.group(1)
  75             yStr = m.group(2)
  76
  77             if xNumber and yNumber:
  78                 xNumber, yNumber = int(xNumber), int(yNumber)
  79                 if xNumber == yNumber:
  80                     return cmp(xStr, yStr)
  81                 else:
  82                     return cmp(xNumber, yNumber)
  83             elif xNumber:
  84                 return -1
  85             elif yNumber:
  86                 return 1
  87             else:
  88                 return cmp(xStr, yStr)
  89
  90         files.sort(dir_sort)
  91
  92         index = 0
  93         count = 10
  94         if query.has_key('ItemCount'):
  95             count = int(query['ItemCount'] [0])
  96
  97         if query.has_key('AnchorItem'):
  98             anchor = unquote(query['AnchorItem'][0])
  99             for i in range(len(files)):
 100                 if os.path.isdir(os.path.join(path,files[i])):
 101                     file_url = '/TiVoConnect?Command=QueryContainer&Container=' + subcname + '/' + files[i]
 102                 else:
 103                     file_url = '/' + subcname + '/' + files[i]
 104                 if file_url == anchor:
 105                     if count > 0:
 106                         index = i + 1
 107                     elif count < 0:
 108                         index = i - 1
 109                     else:
 110                         index = i
 111                     break
 112             if query.has_key('AnchorOffset'):
 113                 index = index +  int(query['AnchorOffset'][0])
 114
 115         #foward count
 116         if index < index + count:
 117             files = files[index:index + count ]
 118             return files, totalFiles, index
 119         #backwards count
 120         else:
 121             print 'index, count', index, count
 122             print index + count
 123             #off the start of the list
 124             if index + count < 0:
 125                 print 0 - (index + count)
 126                 index += 0 - (index + count)
 127             print index + count
 128             files = files[index + count:index]
 129             return files, totalFiles, index + count