Mac/Tools/IDE/Wtraceback.py

   1 import traceback
   2 import sys
   3 import W
   4 import os
   5 import types
   6 from Carbon import List
   7
   8
   9 class TraceBack:
  10
  11     def __init__(self, title = "Traceback"):
  12         app = W.getapplication()  # checks if W is properly initialized
  13         self.title = title
  14         self.w = None
  15         self.closed = 1
  16         self.start = 0
  17         self.lastwindowtitle = ""
  18         self.bounds = (360, 298)
  19
  20     def traceback(self, start = 0, lastwindowtitle = ""):
  21         try:
  22             self.lastwindowtitle = lastwindowtitle
  23             self.start = start
  24             self.type, self.value, self.tb = sys.exc_info()
  25             if self.type is not SyntaxError:
  26                 self.show()
  27                 if type(self.type) == types.ClassType:
  28                     errortext = self.type.__name__
  29                 else:
  30                     errortext = str(self.type)
  31                 value = str(self.value)
  32                 if self.value and value:
  33                     errortext = errortext + ": " + value
  34                 self.w.text.set(errortext)
  35                 self.buildtblist()
  36                 self.w.list.set(self.textlist)
  37                 self.w.list.setselection([len(self.textlist) - 1])
  38                 self.w.wid.SelectWindow()
  39                 self.closed = 0
  40             else:
  41                 self.syntaxerror()
  42         except:
  43             traceback.print_exc()
  44
  45     def syntaxerror(self):
  46         try:
  47             value, (filename, lineno, charno, line) = self.value
  48         except:
  49             filename = ""
  50             lineno = None
  51             value = self.value
  52         if not filename and self.lastwindowtitle:
  53             filename = self.lastwindowtitle
  54         elif not filename:
  55             filename = "<unknown>"
  56         if filename and os.path.exists(filename):
  57             filename = os.path.split(filename)[1]
  58         if lineno and charno is not None:
  59             charno = charno - 1
  60             text = str(value) + '\rFile: "' + str(filename) + '", line ' + str(lineno) + '\r\r' + line[:charno] + "\xa5" + line[charno:-1]
  61         else:
  62             text = str(value) + '\rFile: "' + str(filename) + '"'
  63         self.syntaxdialog = W.ModalDialog((360, 120), "Syntax Error")
  64         self.syntaxdialog.text = W.TextBox((10, 10, -10, -40), text)
  65         self.syntaxdialog.cancel = W.Button((-190, -32, 80, 16), "Cancel", self.syntaxclose)
  66         self.syntaxdialog.edit = W.Button((-100, -32, 80, 16), "Edit", self.syntaxedit)
  67         self.syntaxdialog.setdefaultbutton(self.syntaxdialog.edit)
  68         self.syntaxdialog.bind("cmd.", self.syntaxdialog.cancel.push)
  69         self.syntaxdialog.open()
  70
  71     def syntaxclose(self):
  72         self.syntaxdialog.close()
  73         del self.syntaxdialog
  74
  75     def syntaxedit(self):
  76         try:
  77             value, (filename, lineno, charno, line) = self.value
  78         except:
  79             filename = ""
  80             lineno = None
  81         if not filename and self.lastwindowtitle:
  82             filename = self.lastwindowtitle
  83         elif not filename:
  84             filename = "<unknown>"
  85         self.syntaxclose()
  86         if lineno:
  87             if charno is None:
  88                 charno = 1
  89             W.getapplication().openscript(filename, lineno, charno - 1)
  90         else:
  91             W.getapplication().openscript(filename)
  92
  93     def show(self):
  94         if self.closed:
  95             self.setupwidgets()
  96             self.w.open()
  97         else:
  98             self.w.wid.ShowWindow()
  99             self.w.wid.SelectWindow()
 100
 101     def hide(self):
 102         if self.closed:
 103             return
 104         self.w.close()
 105
 106     def close(self):
 107         self.bounds = self.w.getbounds()
 108         self.closed = 1
 109         self.type, self.value, self.tb = None, None, None
 110         self.tblist = None
 111
 112     def activate(self, onoff):
 113         if onoff:
 114             if self.closed:
 115                 self.traceback()
 116             self.closed = 0
 117             self.checkbuttons()
 118
 119     def setupwidgets(self):
 120         self.w = W.Window(self.bounds, self.title, minsize = (316, 168))
 121         self.w.text = W.TextBox((10, 10, -10, 30))
 122         self.w.tbtitle = W.TextBox((10, 40, -10, 10), "Traceback (innermost last):")
 123         self.w.list = W.TwoLineList((10, 60, -10, -40), callback = self.listhit)
 124
 125         self.w.editbutton = W.Button((10, -30, 60, 16), "Edit", self.edit)
 126         self.w.editbutton.enable(0)
 127
 128         self.w.browselocalsbutton = W.Button((80, -30, 100, 16), "Browse locals\xc9", self.browselocals)
 129         self.w.browselocalsbutton.enable(0)
 130
 131         self.w.postmortembutton = W.Button((190, -30, 100, 16), "Post mortem\xc9", self.postmortem)
 132
 133         self.w.setdefaultbutton(self.w.editbutton)
 134         self.w.bind("cmdb", self.w.browselocalsbutton.push)
 135         self.w.bind("<close>", self.close)
 136         self.w.bind("<activate>", self.activate)
 137
 138     def buildtblist(self):
 139         tb = self.tb
 140         for i in range(self.start):
 141             if tb.tb_next is None:
 142                 break
 143             tb = tb.tb_next
 144         self.tblist = traceback.extract_tb(tb)
 145         self.textlist = []
 146         for filename, lineno, func, line in self.tblist:
 147             tbline = ""
 148             if os.path.exists(filename):
 149                 filename = os.path.split(filename)[1]
 150             tbline = 'File "%s", line %r, in %r' % (filename, lineno, func)
 151             if line:
 152                 tbline = tbline + '\r      ' + line
 153             self.textlist.append(tbline[:255])
 154
 155     def edit(self):
 156         sel = self.w.list.getselection()
 157         for i in sel:
 158             filename, lineno, func, line = self.tblist[i]
 159             W.getapplication().openscript(filename, lineno)
 160
 161     def browselocals(self):
 162         sel = self.w.list.getselection()
 163         for i in sel:
 164             tb = self.tb
 165             for j in range(i + self.start):
 166                 tb = tb.tb_next
 167             self.browse(tb.tb_frame.f_locals)
 168
 169     def browse(self, object):
 170         import PyBrowser
 171         PyBrowser.Browser(object)
 172
 173     def postmortem(self):
 174         import PyDebugger
 175         PyDebugger.postmortem(self.type, self.value, self.tb)
 176
 177     def listhit(self, isdbl):
 178         if isdbl:
 179             self.w.editbutton.push()
 180         else:
 181             self.checkbuttons()
 182
 183     def checkbuttons(self):
 184         havefile = len(self.w.list.getselection()) > 0
 185         self.w.editbutton.enable(havefile)
 186         self.w.browselocalsbutton.enable(havefile)
 187         self.w.setdefaultbutton(havefile and self.w.editbutton or self.w.postmortembutton)