home *** CD-ROM | disk | FTP | other *** search
/ Personal Computer World 2007 September / PCWSEP07.iso / Software / Linux / Linux Mint 3.0 Light / LinuxMint-3.0-Light.iso / casper / filesystem.squashfs / usr / share / hal / device-manager / Device.py < prev    next >
Encoding:
Python Source  |  2007-05-11  |  2.4 KB  |  69 lines
  1. """This file contains the Device class."""
  2.  
  3. import Const
  4.  
  5. class Device:
  6.     def __init__(self, device_name, parent_name, properties):
  7.         self.device_name = device_name
  8.         self.parent_name = parent_name
  9.         self.parent_device = None
  10.         self.properties = properties
  11.         self.children = []
  12.  
  13.     def print_tree(self, indent):
  14.         if indent==0:
  15.             print " "*indent + self.device_name
  16.         else:
  17.             print " "*indent + "- " + self.device_name
  18.         for c in self.children:
  19.             c.print_tree(indent+4)
  20.  
  21.     def populate_gtk_tree(self, tree_model, dont_show_virtual, representation):
  22.         # see if we should show virtual devices
  23.         if dont_show_virtual:
  24.             try:
  25.                 if self.properties["info.virtual"]:
  26.                     # do show all block devices, ide channels
  27.                     if not self.properties["info.subsystem"] in ["block", "ide_host"]:
  28.                         self.row = self.parent_device.row
  29.                         # and recurse the childs
  30.                         for c in self.children:
  31.                             c.populate_gtk_tree(tree_model,
  32.                                                 dont_show_virtual,
  33.                                                 representation)
  34.                         return
  35.             except:
  36.                 pass
  37.         if self.parent_device==None:
  38.             self.row = None
  39.         else:
  40.             self.row = tree_model.append(self.parent_device.row)
  41.  
  42.         if self.row != None:
  43.             # Get icon
  44.             icon = representation.get_icon(self)
  45.  
  46.             tree_model.set_value(self.row, Const.PIXBUF_COLUMN, icon)
  47.             try:
  48.                 title_name = self.properties["info.product"]
  49.             except KeyError:
  50.                 title_name = "Unknown Device"
  51.             except TypeError:
  52.                 title_name = "Unknown Device"
  53.             tree_model.set_value(self.row, Const.TITLE_COLUMN, title_name)
  54.             tree_model.set_value(self.row, Const.UDI_COLUMN, self.device_name)
  55.  
  56.         for c in self.children:
  57.             c.populate_gtk_tree(tree_model,
  58.                                 dont_show_virtual,
  59.                                 representation)
  60.             
  61.     def find_by_udi(self, device_udi):
  62.         if self.device_name==device_udi:
  63.             return self
  64.         for c in self.children:
  65.             rc = c.find_by_udi(device_udi)
  66.             if rc!=None:
  67.                 return rc
  68.         return None
  69.