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path: root/Mac/Tools/IDE/Wtraceback.py
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import traceback
import sys
import W
import os
import types
from Carbon 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)