Source Code for Module qm.platform_win32

  1  ######################################################################## 
  2  # 
  3  # File:   platform_win32.py 
  4  # Author: Alex Samuel 
  5  # Date:   2001-05-13 
  6  # 
  7  # Contents: 
  8  #   Platform-specific function for Win32. 
  9  # 
 10  # Copyright (c) 2001, 2002 by CodeSourcery, LLC.  All rights reserved.  
 11  # 
 12  # For license terms see the file COPYING. 
 13  # 
 14  ######################################################################## 
 15   
 16  ######################################################################## 
 17  # imports 
 18  ######################################################################## 
 19   
 20  import common 
 21  import os 
 22  import qm 
 23  import signal 
 24  import string 
 25  import sys 
 26   
 27  ######################################################################## 
 28  # constants 
 29  ######################################################################## 
 30   
 31  default_shell = [os.environ.get("COMSPEC", r"C:\WINNT\SYSTEM32\CMD.EXE")] 
 32   
 33  ######################################################################## 
 34  # classes 
 35  ######################################################################## 
 36   
 37  # Win32 doesn't provide signals, but we include this anyway so that code 
 38  # may attempt to catch this exception without conditionalizing. 
 39   
 40 -class SignalException(Exception): 
 41   
 42 -    def __init__(self, *args): 
 43          raise NotImplementedError, "No 'SignalException' on Win32." 
 44   
 45   
 46   
 47  ######################################################################## 
 48  # functions 
 49  ######################################################################## 
 50   
 51 -def get_host_name(): 
 52      """Return the name of this computer.""" 
 53   
 54      # This function caches the result of '_get_host_name' by replacing 
 55      # itself with a lambda that returns the cached value. 
 56      global get_host_name 
 57      get_host_name = lambda host_name=_get_host_name(): host_name 
 58   
 59   
 60 -def _get_host_name(): 
 61      """Return the name of this computer.""" 
 62   
 63      # First try to look up our own address in DNS. 
 64      try: 
 65          return socket.gethostbyname_ex(socket.gethostname())[0] 
 66      except socket.error: 
 67          pass 
 68   
 69      # That didn't work.  Just use the local name. 
 70      try: 
 71          return socket.gethostname() 
 72      except socket.error: 
 73          pass 
 74   
 75      # That didn't work either.  Check if the host name is stored in the 
 76      # environment. 
 77      try: 
 78          return os.environ["HOSTNAME"] 
 79      except KeyError: 
 80          pass 
 81   
 82      # We're stumped.  Use something dumb. 
 83      return "localhost" 
 84   
 85   
 86 -def open_in_browser(url): 
 87      """Open a browser window and point it at 'url'. 
 88   
 89      The browser is run in a separate, independent process.""" 
 90   
 91      os.startfile(url) 
 92   
 93   
 94  ######################################################################## 
 95  # Local Variables: 
 96  # mode: python 
 97  # indent-tabs-mode: nil 
 98  # fill-column: 72 
 99  # End: 
100