Wtraceback.py :  » Language-Interface » ChinesePython » chinesepython2.1.3-0.4 » Mac » Tools » IDE » Python Open Source

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Python Open Source » Language Interface » ChinesePython 
ChinesePython » chinesepython2.1.3 0.4 » Mac » Tools » IDE » Wtraceback.py
import traceback
import sys
import W
import os
import types
import List


class TraceBack:
  
  def __init__(self, title = "Traceback"):
    app = W.getapplication()  # checks if W is properly initialized
    self.title = title
    self.w = None
    self.closed = 1
    self.start = 0
    self.lastwindowtitle = ""
    self.bounds = (360, 298)
  
  def traceback(self, start = 0, lastwindowtitle = ""):
    try:
      self.lastwindowtitle = lastwindowtitle
      self.start = start
      self.type, self.value, self.tb = sys.exc_info()
      if self.type is not SyntaxError:
        self.show()
        if type(self.type) == types.ClassType:
          errortext = self.type.__name__
        else:
          errortext = str(self.type)
        value = str(self.value)
        if self.value and value:
          errortext = errortext + ": " + value
        self.w.text.set(errortext)
        self.buildtblist()
        self.w.list.set(self.textlist)
        self.w.list.setselection([len(self.textlist) - 1])
        self.w.wid.SelectWindow()
        self.closed = 0
      else:
        self.syntaxerror()
    except:
      traceback.print_exc()
  
  def syntaxerror(self):
    try:
      value, (filename, lineno, charno, line) = self.value
    except:
      filename = ""
      lineno = None
      value = self.value
    if not filename and self.lastwindowtitle:
      filename = self.lastwindowtitle
    elif not filename:
      filename = "<unknown>"
    if filename and os.path.exists(filename):
      filename = os.path.split(filename)[1]
    if lineno and charno is not None:
      charno = charno - 1
      text = str(value) + '\rFile: "' + str(filename) + '", line ' + str(lineno) + '\r\r' + line[:charno] + "\xa5" + line[charno:-1]
    else:
      text = str(value) + '\rFile: "' + str(filename) + '"'
    self.syntaxdialog = W.ModalDialog((360, 120), "Syntax Error")
    self.syntaxdialog.text = W.TextBox((10, 10, -10, -40), text)
    self.syntaxdialog.cancel = W.Button((-190, -32, 80, 16), "Cancel", self.syntaxclose)
    self.syntaxdialog.edit = W.Button((-100, -32, 80, 16), "Edit", self.syntaxedit)
    self.syntaxdialog.setdefaultbutton(self.syntaxdialog.edit)
    self.syntaxdialog.bind("cmd.", self.syntaxdialog.cancel.push)
    self.syntaxdialog.open()
  
  def syntaxclose(self):
    self.syntaxdialog.close()
    del self.syntaxdialog
  
  def syntaxedit(self):
    try:
      value, (filename, lineno, charno, line) = self.value
    except:
      filename = ""
      lineno = None
    if not filename and self.lastwindowtitle:
      filename = self.lastwindowtitle
    elif not filename:
      filename = "<unknown>"
    self.syntaxclose()
    if lineno:
      if charno is None:
        charno = 1
      W.getapplication().openscript(filename, lineno, charno - 1)
    else:
      W.getapplication().openscript(filename)
  
  def show(self):
    if self.closed:
      self.setupwidgets()
      self.w.open()
    else:
      self.w.wid.ShowWindow()
      self.w.wid.SelectWindow()
  
  def hide(self):
    if self.closed:
      return
    self.w.close()
  
  def close(self):
    self.bounds = self.w.getbounds()
    self.closed = 1
    self.type, self.value, self.tb = None, None, None
    self.tblist = None
  
  def activate(self, onoff):
    if onoff:
      if self.closed:
        self.traceback()
      self.closed = 0
      self.checkbuttons()
  
  def setupwidgets(self):
    self.w = W.Window(self.bounds, self.title, minsize = (316, 168))
    self.w.text = W.TextBox((10, 10, -10, 30))
    self.w.tbtitle = W.TextBox((10, 40, -10, 10), "Traceback (innermost last):")
    self.w.list = W.TwoLineList((10, 60, -10, -40), callback = self.listhit)
    
    self.w.editbutton = W.Button((10, -30, 60, 16), "Edit", self.edit)
    self.w.editbutton.enable(0)
    
    self.w.browselocalsbutton = W.Button((80, -30, 100, 16), "Browse locals\xc9", self.browselocals)
    self.w.browselocalsbutton.enable(0)
    
    self.w.postmortembutton = W.Button((190, -30, 100, 16), "Post mortem\xc9", self.postmortem)
    
    self.w.setdefaultbutton(self.w.editbutton)
    self.w.bind("cmdb", self.w.browselocalsbutton.push)
    self.w.bind("<close>", self.close)
    self.w.bind("<activate>", self.activate)
  
  def buildtblist(self):
    tb = self.tb
    for i in range(self.start):
      if tb.tb_next is None:
        break
      tb = tb.tb_next
    self.tblist = traceback.extract_tb(tb)
    self.textlist = []
    for filename, lineno, func, line in self.tblist:
      tbline = ""
      if os.path.exists(filename):
        filename = os.path.split(filename)[1]
        tbline = 'File "' + filename + '", line ' + `lineno` + ', in ' + func
      else:
        tbline = 'File "' + filename + '", line ' + `lineno` + ', in ' + func
      if line:
        tbline = tbline + '\r      ' + line
      self.textlist.append(tbline[:255])
  
  def edit(self):
    sel = self.w.list.getselection()
    for i in sel:
      filename, lineno, func, line = self.tblist[i]
      W.getapplication().openscript(filename, lineno)
  
  def browselocals(self):
    sel = self.w.list.getselection()
    for i in sel:
      tb = self.tb
      for j in range(i + self.start):
        tb = tb.tb_next
      self.browse(tb.tb_frame.f_locals)
  
  def browse(self, object):
    import PyBrowser
    PyBrowser.Browser(object)
  
  def postmortem(self):
    import PyDebugger
    PyDebugger.postmortem(self.type, self.value, self.tb)
  
  def listhit(self, isdbl):
    if isdbl:
      self.w.editbutton.push()
    else:
      self.checkbuttons()
  
  def checkbuttons(self):
    havefile = len(self.w.list.getselection()) > 0
    self.w.editbutton.enable(havefile)
    self.w.browselocalsbutton.enable(havefile)
    self.w.setdefaultbutton(havefile and self.w.editbutton or self.w.postmortembutton)

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