attachment:errorDiagTestApp.py of CustomExceptionHandling

   1 #!/usr/bin/env python
   2 #Boa:App:BoaApp
   3 
   4 import wx
   5 
   6 import sys
   7 
   8 # people say one should leave this alone and use decode/encode, or define this
   9 # in sitecustomize.py
  10 # either of them don't really work for me, so as long as the following does 
  11 # this is what I will do
  12 if hasattr(sys, "frozen"):  #Py2Exe does not run Site.py
  13     sys.setdefaultencoding('iso-8859-1')
  14     del sys.setdefaultencoding    
  15 else:                       #The Python interpreter needs to reload the function
  16     reload(sys)
  17     sys.setdefaultencoding('iso-8859-1')
  18     del sys.setdefaultencoding
  19 
  20 import os
  21 
  22 import time as myTime
  23 import traceback
  24 
  25 import locale
  26 
  27 import gettext
  28 gettext.install('myapp', os.path.join(os.getcwd(), 'locale'), unicode=0)
  29 localeDir = os.path.join(os.getcwd(), 'locale')
  30 langDe = gettext.translation('myapp', localeDir, languages=['de'])
  31 langEn = gettext.translation('myapp', localeDir, languages=['en'])
  32 
  33 locale.setlocale(locale.LC_ALL, '')
  34 
  35 import dialogerror
  36 
  37 provider = wx.SimpleHelpProvider()
  38 wx.HelpProvider_Set(provider)
  39 
  40 import __version__
  41 
  42 # some application folder and file settings used by dialogerror
  43 cfgFileName = 'errDiag.cfg'
  44 logFolderName = 'ErrorDiagTest'
  45 stdOutFileName = 'stdoutlog.txt'
  46 stdErrFileName = 'stderrlog.txt'
  47 sqlLogFileName = 'sqllog.txt'
  48 
  49 import errorDiagTestF
  50 
  51 modules ={u'dialogerror': [0, '', u'dialogerror.py'],
  52  u'errorDiagTestF': [1, 'Main frame of Application', u'errorDiagTestF.py']}
  53 
  54 class BoaApp(wx.App):
  55     def OnInit(self):
  56         self.SetupStdFolders()
  57         self.RedirectLogFiles()
  58         sys.excepthook = self.MyExceptionHandler
  59         
  60         self.DoConfig()
  61         self.ChangeLang(self.appConfig.Read(key='Language'))
  62         
  63         self.main = errorDiagTestF.create(None)
  64         self.main.Show()
  65         self.SetTopWindow(self.main)
  66         
  67         self.ReportException()
  68         
  69         return True
  70 
  71     def DoConfig(self):
  72         configFile = os.path.join(self.progLoc, cfgFileName)
  73         
  74         self.appConfig = wx.FileConfig(appName='MyErrorTestApp', vendorName='whoEver', localFilename=configFile)
  75 
  76         if not self.appConfig.HasEntry('ProgramLocation'):
  77             self.appConfig.Write(key='ProgramLocation', value=progLoc)
  78         if not self.appConfig.HasEntry('DataLocation'):
  79             self.appConfig.Write(key='DataLocation', value=dataLoc)
  80         if not self.appConfig.HasEntry('Language'):
  81                 self.appConfig.Write(key='Language', value='en')
  82         if not self.appConfig.HasEntry('SQLLog'):
  83                 self.appConfig.Write(key='SQLLog', value='False')
  84         if not self.appConfig.HasEntry('EMail'):
  85                 self.appConfig.Write(key='EMail', value='')
  86         if not self.appConfig.HasEntry('SMTPServer'):
  87                 self.appConfig.Write(key='SMTPServer', value='')
  88 
  89     def SetLang(self, lang):
  90         if lang in ['de']:
  91             langDe.install()
  92         else:
  93             langEn.install()
  94 
  95     def ChangeLang(self, lang):
  96         """Change the configured language, currently requires app restart
  97         """
  98         if lang in ['en', 'de']:
  99             self.appConfig.Write(key='Language', value=lang)
 100             self.SetLang(lang)
 101 
 102     def SetupStdFolders(self):
 103         sp = wx.StandardPaths.Get()
 104         self.userdir, self.userdoc = os.path.split(sp.GetDocumentsDir())
 105         
 106         self.appLoc, self.curDir = os.path.split(os.getcwd())
 107         self.progLoc = os.getcwd()
 108         self.dataLoc = os.path.join(self.appLoc, '')
 109         
 110         self.logFolder = os.path.join(self.userdir, logFolderName)
 111         if not os.path.exists(self.logFolder):
 112             os.mkdir(self.logFolder)
 113         
 114     def RedirectLogFiles(self):
 115         self.sqllog = file(os.path.join(self.logFolder, sqlLogFileName), 'a+')
 116         self.stdoutlog = file(os.path.join(self.logFolder, stdOutFileName), 'a+')
 117         self.stderrlog = file(os.path.join(self.logFolder, stdErrFileName), 'a+')
 118 
 119         sys.stdout = self.stdoutlog
 120         sys.stderr = self.stderrlog
 121 
 122     def MyExceptionHandler(self, type, value, trace_back):
 123         """Catch exceptions, log them to file and show error dialog
 124         """        
 125         timestamp = myTime.asctime(myTime.localtime(myTime.time()))
 126         self.stderrlog.write('**** %s ****\n' % timestamp)
 127         traceback.print_exception(type, value, trace_back, file=self.stderrlog)
 128         self.stderrlog.write('\n')
 129         # to ensure that errorDialog is shown immediately 
 130         self.stderrlog.flush()
 131         
 132         self.ReportException(msg=2)      
 133 
 134     def ReportException(self, msg = 1):
 135         self.SetErrDiagMsg()
 136         if msg == 1:
 137             self.msg = self.msg1
 138         else:
 139             self.msg = self.msg2
 140 
 141         self.msg += '\n'
 142         self.msg += ('Language = %s' % self.appConfig.Read(key='Language'))
 143         
 144         self.eMail = self.appConfig.Read(key='EMail')
 145         self.smtpServer = self.appConfig.Read(key='SMTPServer')
 146         myErr = False
 147         self.stdoutlog.seek(0)
 148         self.stderrlog.seek(0)
 149         self.sqllog.seek(0)
 150 
 151         if len(self.stdoutlog.read()) >0:
 152             myErr = True
 153         if len(self.stderrlog.read()) >0:
 154             myErr = True
 155         if len(self.sqllog.read()) >0:
 156             myErr = True
 157 
 158         if myErr:
 159             self.stdoutlog.seek(0)
 160             self.stderrlog.seek(0)
 161             self.sqllog.seek(0)
 162 
 163             dlg = dialogerror.DialogError(self)
 164             dlg.CenterOnScreen()
 165             try:
 166                 dlg.ShowModal()
 167             finally:
 168                 dlg.Destroy()
 169 
 170         self.stdoutlog.seek(0, 2)
 171         self.stderrlog.seek(0, 2)
 172         self.sqllog.seek(0, 2)
 173 
 174     def SetErrDiagMsg(self):
 175         # need this to get translations to work
 176         self.msg1 = _('''During the last session with "myApp" at least one programming problem occurred.
 177 
 178 If you can provide some details on how to recreate the problem that would be very helpful in correcting it.
 179 
 180 
 181 Yours sincerely,
 182 whoEver
 183 ''')
 184 
 185         self.msg2 = _('''During this session with "myApp" at least one programming problem occurred.
 186 
 187 If you can provide some details on how to recreate the problem that would be very helpful in correcting it.
 188 
 189 
 190 Yours sincerely,
 191 whoEver
 192 ''')
 193 
 194 
 195 def main():
 196     application = BoaApp(redirect=True)
 197     application.MainLoop()
 198 
 199 if __name__ == '__main__':
 200     main()