Source Code for Module bitfling.guihelper

  1  ### BITPIM 
  2  ### 
  3  ### Copyright (C) 2004 Roger Binns <rogerb@rogerbinns.com> 
  4  ### 
  5  ### This program is free software; you can redistribute it and/or modify 
  6  ### it under the terms of the BitPim license as detailed in the LICENSE file. 
  7  ### 
  8  ### $Id: guihelper.py 1638 2004-10-07 03:21:09Z n9yty $ 
  9   
 10  """Various convenience functions and widgets to assist the gui""" 
 11   
 12  import time 
 13  import os 
 14  import sys 
 15  import StringIO 
 16  import traceback 
 17   
 18   
 19  import wx 
 20   
 21  # some library routines 
 22 -def IsMSWindows(): 
 23      """Are we running on Windows? 
 24   
 25      @rtype: Bool""" 
 26      return wx.Platform=='__WXMSW__' 
 27   
 28 -def IsGtk(): 
 29      """Are we running on GTK (Linux) 
 30   
 31      @rtype: Bool""" 
 32      return wx.Platform=='__WXGTK__' 
 33   
 34 -def IsMac(): 
 35      """Are we running on Mac 
 36   
 37      @rtype: Bool""" 
 38      return wx.Platform=='__WXMAC__' 
 39   
 40 -class LogWindow(wx.Panel): 
 41   
 42 -    def __init__(self, parent): 
 43          wx.Panel.__init__(self,parent, -1, style=wx.NO_FULL_REPAINT_ON_RESIZE) 
 44          self.tb=wx.TextCtrl(self, 1, style=wx.TE_MULTILINE|wx.TE_RICH2|wx.NO_FULL_REPAINT_ON_RESIZE|wx.TE_DONTWRAP|wx.TE_READONLY) 
 45          f=wx.Font(10, wx.MODERN, wx.NORMAL, wx.NORMAL ) 
 46          ta=wx.TextAttr(font=f) 
 47          self.tb.SetDefaultStyle(ta) 
 48          self.sizer=wx.BoxSizer(wx.VERTICAL) 
 49          self.sizer.Add(self.tb, 1, wx.EXPAND) 
 50          self.SetSizer(self.sizer) 
 51          self.SetAutoLayout(True) 
 52          self.sizer.Fit(self) 
 53          wx.EVT_IDLE(self, self.OnIdle) 
 54          self.outstandingtext="" 
 55   
 56 -    def Clear(self): 
 57          self.tb.Clear() 
 58   
 59 -    def OnIdle(self,_): 
 60          if len(self.outstandingtext): 
 61              self.tb.AppendText(self.outstandingtext) 
 62              self.outstandingtext="" 
 63              self.tb.ScrollLines(-1) 
 64   
 65 -    def log(self, str): 
 66          now=time.time() 
 67          t=time.localtime(now) 
 68          if len(str)==0 or str[0]=="&": # already has time etc stamps 
 69              self.outstandingtext+=str[1:]+"\r\n" 
 70          else: 
 71              self.outstandingtext+="%d:%02d:%02d.%03d: %s\r\n"  % ( t[3], t[4], t[5],  int((now-int(now))*1000), str) 
 72   
 73 -    def logexception(self, excinfo=None): 
 74          str=formatexception(excinfo) 
 75          self.log(str) 
 76   
 77   
 78 -def formatexception(excinfo=None, lastframes=8): 
 79       """Pretty print exception, including local variable information. 
 80   
 81       See Python Cookbook, recipe 14.4. 
 82   
 83       @param excinfo: tuple of information returned from sys.exc_info when 
 84                 the exception occurred.  If you don't supply this then 
 85                 information about the current exception being handled 
 86                 is used 
 87       @param lastframes: local variables are shown for these number of 
 88                    frames 
 89       @return: A pretty printed string 
 90                 """ 
 91       if excinfo is None: 
 92            excinfo=sys.exc_info() 
 93   
 94       s=StringIO.StringIO() 
 95       traceback.print_exception(*excinfo, **{'file': s}) 
 96       tb=excinfo[2] 
 97   
 98       while True: 
 99            if not tb.tb_next: 
100                 break 
101            tb=tb.tb_next 
102       stack=[] 
103       f=tb.tb_frame 
104       while f: 
105            stack.append(f) 
106            f=f.f_back 
107       stack.reverse() 
108       if len(stack)>lastframes: 
109            stack=stack[-lastframes:] 
110       print >>s, "\nVariables by last %d frames, innermost last" % (lastframes,) 
111       for frame in stack: 
112            print >>s, "" 
113            print >>s, "Frame %s in %s at line %s" % (frame.f_code.co_name, 
114                                                      frame.f_code.co_filename, 
115                                                      frame.f_lineno) 
116            for key,value in frame.f_locals.items(): 
117                 # filter out modules 
118                 if type(value)==type(sys): 
119                      continue 
120                 print >>s,"%15s = " % (key,), 
121                 try: 
122                      print >>s,`value`[:160] 
123                 except: 
124                      print >>s,"(Exception occurred printing value)" 
125       return s.getvalue() 
126   
127   
128  # Where to find bitmaps etc 
129  if IsMac(): 
130      p=os.getcwd() 
131  else: 
132      p=sys.path[0] 
133  if p.lower().endswith(".zip"): # zip importer in action 
134      p=os.path.dirname(p) 
135  resourcedirectory=os.path.join(os.path.abspath(p), "resources") 
136   
137 -def getresourcefile(filename): 
138      """Returns name of file by adding it to resource directory pathname 
139   
140      No attempt is made to verify the file exists 
141      @rtype: string 
142      """ 
143      return os.path.join(resourcedirectory, filename) 
144   
145 -def run(*args): 
146      """Execute the command. 
147   
148      The path is searched""" 
149      sl=os.spawnl 
150      if sys.platform!='win32': 
151          sl=os.spawnlp 
152          ret=apply(sl, (os.P_WAIT,args[0])+args) 
153      else: 
154          # win98 was fine with above code, winxp just chokes 
155          # so we call system() instead 
156          str="" 
157          for a in args: 
158              if len(a)==0: 
159                  str+=' ""' 
160              elif a.find(' ')>=0: 
161                  str+=' "'+a+'"' 
162              else: 
163                  str+=" "+a 
164          str=str[1:] # remove first space 
165          # If you ever wanted proof how idiotic windows is, here it is 
166          # if there is a value enclosed in double quotes, it is 
167          # taken as the window title, even if it comes after all 
168          # the switches, so i have to supply one, otherwise it mistakes 
169          # the command to run as the window title 
170          ret=os.system('start /b /wait "%s" %s' % (args[0], str)) 
171      return ret 
172