code.delx.au - offlineimap/blob - offlineimap/head/offlineimap/ui/detector.py

   1 # UI base class
   2 # Copyright (C) 2002 John Goerzen
   3 # <jgoerzen@complete.org>
   4 #
   5 #    This program is free software; you can redistribute it and/or modify
   6 #    it under the terms of the GNU General Public License as published by
   7 #    the Free Software Foundation; version 2 of the License.
   8 #
   9 #    This program is distributed in the hope that it will be useful,
  10 #    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 #    GNU General Public License for more details.
  13 #
  14 #    You should have received a copy of the GNU General Public License
  15 #    along with this program; if not, write to the Free Software
  16 #    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17
  18 import offlineimap.ui
  19 import sys
  20
  21 def findUI(config, chosenUI=None):
  22     uistrlist = ['Tk.Blinkenlights', 'Tk.VerboseUI',
  23                  'Curses.Blinkenlights', 'TTY.TTYUI',
  24                  'Noninteractive.Basic', 'Noninteractive.Quiet']
  25     namespace={}
  26     for ui in dir(offlineimap.ui):
  27         if ui.startswith('_') or ui=='detector':
  28             continue
  29         namespace[ui]=getattr(offlineimap.ui, ui)
  30
  31     if chosenUI is not None:
  32         uistrlist = [chosenUI]
  33     elif config.has_option("general", "ui"):
  34         uistrlist = config.get("general", "ui").replace(" ", "").split(",")
  35
  36     for uistr in uistrlist:
  37         uimod = getUImod(uistr, config.getlocaleval(), namespace)
  38         if uimod:
  39             uiinstance = uimod(config)
  40             if uiinstance.isusable():
  41                 return uiinstance
  42     sys.stderr.write("ERROR: No UIs were found usable!\n")
  43     sys.exit(200)
  44
  45 def getUImod(uistr, localeval, namespace):
  46     try:
  47         uimod = localeval.eval(uistr, namespace)
  48     except (AttributeError, NameError), e:
  49         #raise
  50         return None
  51     return uimod