routefs/examples/homefs.py

   1 #!/usr/bin/python
   2 """
   3 RouteFS Example: HomeFS
   4
   5 If you work on a system where home directories are on network storage
   6 (i.e. not in /home), mount HomeFS on /home. It's an automounter that
   7 will automatically create symlinks from user -> their homedir whenever
   8 /home/user is accessed in any way.
   9 """
  10
  11
  12 import pwd
  13
  14 from routes import Mapper
  15
  16 import routefs
  17
  18
  19 class HomeFS(routefs.RouteFS):
  20     def __init__(self, *args, **kwargs):
  21         super(HomeFS, self).__init__(*args, **kwargs)
  22         self.cache = {}
  23
  24     def make_map(self):
  25         m = Mapper()
  26         m.connect('/', controller='getList')
  27         m.connect('/{action}', controller='getUser')
  28         return m
  29
  30     def getUser(self, action, **kwargs):
  31         try:
  32             if action not in self.cache:
  33                 self.cache[action] = pwd.getpwnam(action).pw_dir
  34             return routefs.Symlink(self.cache[action])
  35         except KeyError:
  36             return
  37
  38     def getList(self, **kwargs):
  39         return self.cache.keys()
  40
  41
  42 if __name__ == '__main__':
  43     routefs.main(HomeFS)