import sys
import bdb
import types
import os
import W
import WASTEconst
import PyBrowser
import Qd
import Evt
import Lists
import MacOS
_filenames = {}
SIMPLE_TYPES = (
types.NoneType,
types.IntType,
types.LongType,
types.FloatType,
types.ComplexType,
types.StringType
)
class Debugger(bdb.Bdb):
def __init__(self, title = 'Debugger'):
bdb.Bdb.__init__(self)
self.closed = 1
self.title = title
self.breaksviewer = None
self.reset()
self.tracing = 0
self.tracingmonitortime = Evt.TickCount()
self.editors = {}
prefs = W.getapplication().getprefs()
if prefs.debugger:
for file, breaks in prefs.debugger.breaks.items():
for b in breaks:
self.set_break(file, b)
self.bounds, self.horpanes, self.verpanes = prefs.debugger.windowsettings
self.tracemagic = prefs.debugger.tracemagic
else:
self.breaks = {}
self.horpanes = (0.4, 0.6)
self.verpanes = (0.3, 0.35, 0.35)
self.bounds = (600, 400)
self.tracemagic = 0
self.laststacksel = None
def canonic(self, filename):
# override: the provided canonic() method breaks our
# file-less Untitled windows
return filename
def reset(self):
self.currentframe = None
self.file = None
self.laststack = None
self.reason = 'Not running'
self.continuewithoutdebugger = 0
bdb.Bdb.reset(self)
self.forget()
def start(self, bottomframe = None, running = 0):
W.getapplication().DebuggerQuit = bdb.BdbQuit
import Menu
Menu.HiliteMenu(0)
if self.closed:
self.setupwidgets(self.title)
self.closed = 0
if not self.w.parent.debugger_quitting:
self.w.select()
raise W.AlertError, 'There is another debugger session busy.'
self.reset()
self.botframe = bottomframe
if running:
self.set_continue()
self.reason = 'Running\xc9'
self.setstate('running')
else:
self.set_step()
self.reason = 'stopped'
self.setstate('stopped')
sys.settrace(self.trace_dispatch)
def stop(self):
self.set_quit()
if self.w.parent:
self.exit_mainloop()
self.resetwidgets()
def set_continue_without_debugger(self):
sys.settrace(None)
self.set_quit()
self.clear_tracefuncs()
self.continuewithoutdebugger = 1
if hasattr(self, "w") and self.w.parent:
self.exit_mainloop()
self.resetwidgets()
def clear_tracefuncs(self):
try:
raise 'spam'
except:
pass
frame = sys.exc_traceback.tb_frame
while frame is not None:
del frame.f_trace
frame = frame.f_back
def postmortem(self, exc_type, exc_value, traceback):
if self.closed:
self.setupwidgets(self.title)
self.closed = 0
if not self.w.parent.debugger_quitting:
raise W.AlertError, 'There is another debugger session busy.'
self.reset()
if traceback:
self.botframe = traceback.tb_frame
while traceback.tb_next <> None:
traceback = traceback.tb_next
frame = traceback.tb_frame
else:
self.botframe = None
frame = None
self.w.panes.bottom.buttons.killbutton.enable(1)
self.reason = '(dead) ' + self.formatexception(exc_type, exc_value)
self.w.select()
self.setup(frame, traceback)
self.setstate('dead')
self.showstack(self.curindex)
self.showframe(self.curindex)
def setupwidgets(self, title):
self.w = w = W.Window(self.bounds, title, minsize = (500, 300))
w.panes = W.HorizontalPanes((8, 4, -8, -8), self.horpanes)
w.panes.browserpanes = browserpanes = W.VerticalPanes(None, self.verpanes)
browserpanes.stacklist = W.Group(None)
browserpanes.stacklist.title = W.TextBox((4, 0, 0, 12), 'Stack')
browserpanes.stacklist.stack = W.List((0, 16, 0, 0), callback = self.do_stack, flags = Lists.lOnlyOne)
browserpanes.locals = W.Group(None)
browserpanes.locals.title = W.TextBox((4, 0, 0, 12), 'Local variables')
browserpanes.locals.browser = PyBrowser.BrowserWidget((0, 16, 0, 0))
browserpanes.globals = W.Group(None)
browserpanes.globals.title = W.TextBox((4, 0, 0, 12), 'Global variables')
browserpanes.globals.browser = PyBrowser.BrowserWidget((0, 16, 0, 0))
w.panes.bottom = bottom = W.Group(None)
bottom.src = src = W.Group((0, 52, 0, 0))
source = SourceViewer((1, 1, -15, -15), readonly = 1, debugger = self)
src.optionsmenu = W.PopupMenu((-16, 0, 16, 16), [])
src.optionsmenu.bind('<click>', self.makeoptionsmenu)
src._barx = W.Scrollbar((0, -16, -15, 16), source.hscroll, max = 32767)
src._bary = W.Scrollbar((-16, 15, 16, -15), source.vscroll, max = 32767)
src.source = source
src.frame = W.Frame((0, 0, -15, -15))
bottom.tracingmonitor = TracingMonitor((0, 23, 6, 6))
bottom.state = W.TextBox((12, 20, 0, 16), self.reason)
bottom.srctitle = W.TextBox((12, 36, 0, 14))
bottom.buttons = buttons = W.Group((12, 0, 0, 16))
buttons.runbutton = W.Button((0, 0, 50, 16), "Run", self.do_run)
buttons.stopbutton = W.Button((58, 0, 50, 16), "Stop", self.do_stop)
buttons.killbutton = W.Button((116, 0, 50, 16), "Kill", self.do_kill)
buttons.line = W.VerticalLine((173, 0, 0, 0))
buttons.stepbutton = W.Button((181, 0, 50, 16), "Step", self.do_step)
buttons.stepinbutton = W.Button((239, 0, 50, 16), "Step in", self.do_stepin)
buttons.stepoutbutton = W.Button((297, 0, 50, 16), "Step out", self.do_stepout)
w.bind('cmdr', buttons.runbutton.push)
w.bind('cmd.', buttons.stopbutton.push)
w.bind('cmdk', buttons.killbutton.push)
w.bind('cmds', buttons.stepbutton.push)
w.bind('cmdt', buttons.stepinbutton.push)
w.bind('cmdu', buttons.stepoutbutton.push)
w.bind('<close>', self.close)
w.open()
w.xxx___select(w.panes.bottom.src.source)
def makeoptionsmenu(self):
options = [('Clear breakpoints', self.w.panes.bottom.src.source.clearbreakpoints),
('Clear all breakpoints', self.clear_all_breaks),
('Edit breakpoints\xc9', self.edit_breaks), '-',
(self.tracemagic and
'Disable __magic__ tracing' or 'Enable __magic__ tracing', self.togglemagic)]
self.w.panes.bottom.src.optionsmenu.set(options)
def edit_breaks(self):
if self.breaksviewer:
self.breaksviewer.select()
else:
self.breaksviewer = BreakpointsViewer(self)
def togglemagic(self):
self.tracemagic = not self.tracemagic
def setstate(self, state):
self.w.panes.bottom.tracingmonitor.reset()
self.w.panes.bottom.state.set(self.reason)
buttons = self.w.panes.bottom.buttons
if state == 'stopped':
buttons.runbutton.enable(1)
buttons.stopbutton.enable(0)
buttons.killbutton.enable(1)
buttons.stepbutton.enable(1)
buttons.stepinbutton.enable(1)
buttons.stepoutbutton.enable(1)
elif state == 'running':
buttons.runbutton.enable(0)
buttons.stopbutton.enable(1)
buttons.killbutton.enable(1)
buttons.stepbutton.enable(0)
buttons.stepinbutton.enable(0)
buttons.stepoutbutton.enable(0)
elif state == 'idle':
buttons.runbutton.enable(0)
buttons.stopbutton.enable(0)
buttons.killbutton.enable(0)
buttons.stepbutton.enable(0)
buttons.stepinbutton.enable(0)
buttons.stepoutbutton.enable(0)
elif state == 'dead':
buttons.runbutton.enable(0)
buttons.stopbutton.enable(0)
buttons.killbutton.enable(1)
buttons.stepbutton.enable(0)
buttons.stepinbutton.enable(0)
buttons.stepoutbutton.enable(0)
else:
print 'unknown state:', state
def resetwidgets(self):
self.reason = ''
self.w.panes.bottom.srctitle.set('')
self.w.panes.bottom.src.source.set('')
self.w.panes.browserpanes.stacklist.stack.set([])
self.w.panes.browserpanes.locals.browser.set({})
self.w.panes.browserpanes.globals.browser.set({})
self.setstate('idle')
# W callbacks
def close(self):
self.set_quit()
self.exit_mainloop()
self.closed = 1
self.unregister_editor(self.w.panes.bottom.src.source,
self.w.panes.bottom.src.source.file)
self.horpanes = self.w.panes.getpanesizes()
self.verpanes = self.w.panes.browserpanes.getpanesizes()
self.bounds = self.w.getbounds()
prefs = W.getapplication().getprefs()
prefs.debugger.breaks = self.breaks
prefs.debugger.windowsettings = self.bounds, self.horpanes, self.verpanes
prefs.debugger.tracemagic = self.tracemagic
prefs.save()
# stack list callback
def do_stack(self, isdbl):
sel = self.w.panes.browserpanes.stacklist.stack.getselection()
if isdbl:
if sel:
frame, lineno = self.stack[sel[0] + 1]
filename = frame.f_code.co_filename
editor = self.w._parentwindow.parent.openscript(filename, lineno)
if self.breaks.has_key(filename):
editor.showbreakpoints(1)
else:
if sel and sel <> self.laststacksel:
self.showframe(sel[0] + 1)
self.laststacksel = sel
def geteditor(self, filename):
if filename[:1] == '<' and filename[-1:] == '>':
editor = W.getapplication().getscript(filename[1:-1])
else:
editor = W.getapplication().getscript(filename)
return editor
# button callbacks
def do_run(self):
self.running()
self.set_continue()
self.exit_mainloop()
def do_stop(self):
self.set_step()
def do_kill(self):
self.set_quit()
self.exit_mainloop()
self.resetwidgets()
def do_step(self):
self.running()
self.set_next(self.curframe)
self.exit_mainloop()
def do_stepin(self):
self.running()
self.set_step()
self.exit_mainloop()
def do_stepout(self):
self.running()
self.set_return(self.curframe)
self.exit_mainloop()
def running(self):
W.SetCursor('watch')
self.reason = 'Running\xc9'
self.setstate('running')
#self.w.panes.bottom.src.source.set('')
#self.w.panes.browserpanes.stacklist.stack.set([])
#self.w.panes.browserpanes.locals.browser.set({})
#self.w.panes.browserpanes.globals.browser.set({})
def exit_mainloop(self):
self.w.parent.debugger_quitting = 1
#
def showframe(self, stackindex):
(frame, lineno) = self.stack[stackindex]
W.SetCursor('watch')
filename = frame.f_code.co_filename
if filename <> self.file:
editor = self.geteditor(filename)
if editor:
self.w.panes.bottom.src.source.set(editor.get(), filename)
else:
try:
f = open(filename, 'rb')
data = f.read()
f.close()
except IOError:
if filename[-3:] == '.py':
import imp
modname = os.path.basename(filename)[:-3]
try:
f, filename, (suff, mode, dummy) = imp.find_module(modname)
except ImportError:
self.w.panes.bottom.src.source.set("can't find file")
else:
if f:
f.close()
if f and suff == '.py':
f = open(filename, 'rb')
data = f.read()
f.close()
self.w.panes.bottom.src.source.set(data, filename)
else:
self.w.panes.bottom.src.source.set("can't find file")
else:
self.w.panes.bottom.src.source.set("can't find file")
else:
self.w.panes.bottom.src.source.set(data, filename)
self.file = filename
self.w.panes.bottom.srctitle.set('Source: ' + filename + ((lineno > 0) and (' (line %d)' % lineno) or ' '))
self.goto_line(lineno)
self.lineno = lineno
self.showvars((frame, lineno))
def showvars(self, (frame, lineno)):
if frame.f_locals is not frame.f_globals:
locals = frame.f_locals
else:
locals = {'Same as Globals':''}
filteredlocals = {}
for key, value in locals.items():
# empty key is magic for Python 1.4; '.' is magic for 1.5...
if not key or key[0] <> '.':
filteredlocals[key] = value
self.w.panes.browserpanes.locals.browser.set(filteredlocals)
self.w.panes.browserpanes.globals.browser.set(frame.f_globals)
def showstack(self, stackindex):
stack = []
for frame, lineno in self.stack[1:]:
filename = frame.f_code.co_filename
try:
filename = _filenames[filename]
except KeyError:
if filename[:1] + filename[-1:] <> '<>':
filename = os.path.basename(filename)
_filenames[frame.f_code.co_filename] = filename
funcname = frame.f_code.co_name
if funcname == '?':
funcname = '<toplevel>'
stack.append(filename + ': ' + funcname)
if stack <> self.laststack:
self.w.panes.browserpanes.stacklist.stack.set(stack)
self.laststack = stack
sel = [stackindex - 1]
self.w.panes.browserpanes.stacklist.stack.setselection(sel)
self.laststacksel = sel
def goto_line(self, lineno):
if lineno > 0:
self.w.panes.bottom.src.source.selectline(lineno - 1)
else:
self.w.panes.bottom.src.source.setselection(0, 0)
# bdb entry points
# def user_call(self, frame, argument_list):
# self.reason = 'Calling'
# self.interaction(frame, None)
def user_line(self, frame):
# This function is called when we stop or break at this line
self.reason = 'Stopped'
self.interaction(frame, None)
def user_return(self, frame, return_value):
# This function is called when a return trap is set here
fname = frame.f_code.co_name
if fname <> '?':
self.reason = 'Returning from %s()' % frame.f_code.co_name
frame.f_locals['__return__'] = return_value
elif frame.f_back is self.botframe:
self.reason = 'Done'
else:
self.reason = 'Returning'
self.interaction(frame, None, 1)
def user_exception(self, frame, (exc_type, exc_value, exc_traceback)):
# This function is called when we stop or break at this line
self.reason = self.formatexception(exc_type, exc_value)
self.interaction(frame, exc_traceback)
def formatexception(self, exc_type, exc_value):
if exc_type == SyntaxError:
try:
value, (filename, lineno, charno, line) = exc_value
except:
pass
else:
return str(exc_type) + ': ' + str(value)
if type(exc_type) == types.ClassType:
nice = exc_type.__name__
else:
nice = str(exc_type)
value = str(exc_value)
if exc_value and value:
nice = nice + ": " + value
return nice
def forget(self):
self.stack = []
self.curindex = 0
self.curframe = None
def setup(self, f, t, isreturning = 0):
self.forget()
self.stack, self.curindex = self.get_stack(f, t)
self.curframe = self.stack[self.curindex - isreturning][0]
def interaction(self, frame, traceback, isreturning = 0):
saveport = Qd.GetPort()
self.w.select()
try:
self.setup(frame, traceback, isreturning)
self.setstate('stopped')
stackindex = self.curindex
if isreturning:
if frame.f_back is not self.botframe:
stackindex = stackindex - 1
self.showstack(stackindex)
self.showframe(stackindex)
self.w.parent.debugger_mainloop()
self.forget()
finally:
Qd.SetPort(saveport)
# bdb customization
def trace_dispatch(self, frame, event, arg, TickCount = Evt.TickCount):
if TickCount() - self.tracingmonitortime > 15:
self.tracingmonitortime = TickCount()
self.w.panes.bottom.tracingmonitor.toggle()
try:
try:
MacOS.EnableAppswitch(0)
if self.quitting:
# returning None is not enough, a former BdbQuit exception
# might have been eaten by the print statement
raise bdb.BdbQuit
if event == 'line':
return self.dispatch_line(frame)
if event == 'call':
return self.dispatch_call(frame, arg)
if event == 'return':
return self.dispatch_return(frame, arg)
if event == 'exception':
return self.dispatch_exception(frame, arg)
print 'bdb.Bdb.dispatch: unknown debugging event:', `event`
return self.trace_dispatch
finally:
MacOS.EnableAppswitch(-1)
except KeyboardInterrupt:
self.set_step()
return self.trace_dispatch
except bdb.BdbQuit:
if self.continuewithoutdebugger:
self.clear_tracefuncs()
return
else:
raise bdb.BdbQuit
except:
print 'XXX Exception during debugger interaction.', \
self.formatexception(sys.exc_type, sys.exc_value)
import traceback
traceback.print_exc()
return self.trace_dispatch
def dispatch_call(self, frame, arg):
if not self.tracemagic and \
frame.f_code.co_name[:2] == '__' == frame.f_code.co_name[-2:] and \
frame.f_code.co_name <> '__init__':
return
if self.botframe is None:
# First call of dispatch since reset()
self.botframe = frame.f_back # xxx !!! added f_back
return self.trace_dispatch
if not (self.stop_here(frame) or self.break_anywhere(frame)):
# No need to trace this function
return # None
self.user_call(frame, arg)
if self.quitting:
raise bdb.BdbQuit
return self.trace_dispatch
def set_continue(self):
# Don't stop except at breakpoints or when finished
self.stopframe = self.botframe
self.returnframe = None
self.quitting = 0
# unlike in bdb/pdb, there's a chance that breakpoints change
# *while* a program (this program ;-) is running. It's actually quite likely.
# So we don't delete frame.f_trace until the bottom frame if there are no breakpoints.
def set_break(self, filename, lineno):
if not self.breaks.has_key(filename):
self.breaks[filename] = []
list = self.breaks[filename]
if lineno in list:
return 'There is already a breakpoint there!'
list.append(lineno)
list.sort() # I want to keep them neatly sorted; easier for drawing
if hasattr(bdb, "Breakpoint"):
# 1.5.2b1 specific
bp = bdb.Breakpoint(filename, lineno, 0, None)
self.update_breaks(filename)
def clear_break(self, filename, lineno):
bdb.Bdb.clear_break(self, filename, lineno)
self.update_breaks(filename)
def clear_all_file_breaks(self, filename):
bdb.Bdb.clear_all_file_breaks(self, filename)
self.update_breaks(filename)
def clear_all_breaks(self):
bdb.Bdb.clear_all_breaks(self)
for editors in self.editors.values():
for editor in editors:
editor.drawbreakpoints()
# special
def toggle_break(self, filename, lineno):
if self.get_break(filename, lineno):
self.clear_break(filename, lineno)
else:
self.set_break(filename, lineno)
def clear_breaks_above(self, filename, above):
if not self.breaks.has_key(filename):
return 'There are no breakpoints in that file!'
for lineno in self.breaks[filename][:]:
if lineno > above:
self.breaks[filename].remove(lineno)
if not self.breaks[filename]:
del self.breaks[filename]
# editor stuff
def update_breaks(self, filename):
if self.breaksviewer:
self.breaksviewer.update()
if self.editors.has_key(filename):
for editor in self.editors[filename]:
if editor._debugger: # XXX
editor.drawbreakpoints()
else:
print 'xxx dead editor!'
def update_allbreaks(self):
if self.breaksviewer:
self.breaksviewer.update()
for filename in self.breaks.keys():
if self.editors.has_key(filename):
for editor in self.editors[filename]:
if editor._debugger: # XXX
editor.drawbreakpoints()
else:
print 'xxx dead editor!'
def register_editor(self, editor, filename):
if not filename:
return
if not self.editors.has_key(filename):
self.editors[filename] = [editor]
elif editor not in self.editors[filename]:
self.editors[filename].append(editor)
def unregister_editor(self, editor, filename):
if not filename:
return
try:
self.editors[filename].remove(editor)
if not self.editors[filename]:
del self.editors[filename]
# if this was an untitled window, clear the breaks.
if filename[:1] == '<' and filename[-1:] == '>' and \
self.breaks.has_key(filename):
self.clear_all_file_breaks(filename)
except (KeyError, ValueError):
pass
class SourceViewer(W.PyEditor):
def __init__(self, *args, **kwargs):
apply(W.PyEditor.__init__, (self,) + args, kwargs)
self.bind('<click>', self.clickintercept)
def clickintercept(self, point, modifiers):
if self._parentwindow._currentwidget <> self and not self.pt_in_breaks(point):
self._parentwindow.xxx___select(self)
return 1
def _getviewrect(self):
l, t, r, b = self._bounds
if self._debugger:
return (l + 12, t + 2, r - 1, b - 2)
else:
return (l + 5, t + 2, r - 1, b - 2)
def select(self, onoff, isclick = 0):
if W.SelectableWidget.select(self, onoff):
return
self.SetPort()
#if onoff:
# self.ted.WEActivate()
#else:
# self.ted.WEDeactivate()
self.drawselframe(onoff)
def drawselframe(self, onoff):
pass
class BreakpointsViewer:
def __init__(self, debugger):
self.debugger = debugger
import Lists
self.w = W.Window((300, 250), 'Breakpoints', minsize = (200, 200))
self.w.panes = W.HorizontalPanes((8, 8, -8, -32), (0.3, 0.7))
self.w.panes.files = W.List(None, callback = self.filehit) #, flags = Lists.lOnlyOne)
self.w.panes.gr = W.Group(None)
self.w.panes.gr.breaks = W.List((0, 0, -130, 0), callback = self.linehit) #, flags = Lists.lOnlyOne)
self.w.panes.gr.openbutton = W.Button((-80, 4, 0, 16), 'View\xc9', self.openbuttonhit)
self.w.panes.gr.deletebutton = W.Button((-80, 28, 0, 16), 'Delete', self.deletebuttonhit)
self.w.bind('<close>', self.close)
self.w.bind('backspace', self.w.panes.gr.deletebutton.push)
self.setup()
self.w.open()
self.w.panes.gr.openbutton.enable(0)
self.w.panes.gr.deletebutton.enable(0)
self.curfile = None
def deletebuttonhit(self):
if self.w._currentwidget == self.w.panes.files:
self.del_filename()
else:
self.del_number()
self.checkbuttons()
def del_number(self):
if self.curfile is None:
return
sel = self.w.panes.gr.breaks.getselectedobjects()
for lineno in sel:
self.debugger.clear_break(self.curfile, lineno)
def del_filename(self):
sel = self.w.panes.files.getselectedobjects()
for filename in sel:
self.debugger.clear_all_file_breaks(filename)
self.debugger.update_allbreaks()
def setup(self):
files = self.debugger.breaks.keys()
files.sort()
self.w.panes.files.set(files)
def close(self):
self.debugger.breaksviewer = None
self.debugger = None
def update(self):
sel = self.w.panes.files.getselectedobjects()
self.setup()
self.w.panes.files.setselectedobjects(sel)
sel = self.w.panes.files.getselection()
if len(sel) == 0 and self.curfile:
self.w.panes.files.setselectedobjects([self.curfile])
self.filehit(0)
def select(self):
self.w.select()
def selectfile(self, file):
self.w.panes.files.setselectedobjects([file])
self.filehit(0)
def openbuttonhit(self):
self.filehit(1)
def filehit(self, isdbl):
sel = self.w.panes.files.getselectedobjects()
if isdbl:
for filename in sel:
lineno = None
if filename == self.curfile:
linesel = self.w.panes.gr.breaks.getselectedobjects()
if linesel:
lineno = linesel[-1]
elif self.w.panes.gr.breaks:
lineno = self.w.panes.gr.breaks[0]
editor = self.w._parentwindow.parent.openscript(filename, lineno)
editor.showbreakpoints(1)
return
if len(sel) == 1:
file = sel[0]
filebreaks = self.debugger.breaks[file][:]
if self.curfile == file:
linesel = self.w.panes.gr.breaks.getselectedobjects()
self.w.panes.gr.breaks.set(filebreaks)
if self.curfile == file:
self.w.panes.gr.breaks.setselectedobjects(linesel)
self.curfile = file
else:
if len(sel) <> 0:
self.curfile = None
self.w.panes.gr.breaks.set([])
self.checkbuttons()
def linehit(self, isdbl):
if isdbl:
files = self.w.panes.files.getselectedobjects()
if len(files) <> 1:
return
filename = files[0]
linenos = self.w.panes.gr.breaks.getselectedobjects()
if not linenos:
return
lineno = linenos[-1]
editor = self.w._parentwindow.parent.openscript(filename, lineno)
editor.showbreakpoints(1)
self.checkbuttons()
def checkbuttons(self):
if self.w.panes.files.getselection():
self.w.panes.gr.openbutton.enable(1)
self.w._parentwindow.setdefaultbutton(self.w.panes.gr.openbutton)
if self.w._currentwidget == self.w.panes.files:
if self.w.panes.files.getselection():
self.w.panes.gr.deletebutton.enable(1)
else:
self.w.panes.gr.deletebutton.enable(0)
else:
if self.w.panes.gr.breaks.getselection():
self.w.panes.gr.deletebutton.enable(1)
else:
self.w.panes.gr.deletebutton.enable(0)
else:
self.w.panes.gr.openbutton.enable(0)
self.w.panes.gr.deletebutton.enable(0)
class TracingMonitor(W.Widget):
def __init__(self, *args, **kwargs):
apply(W.Widget.__init__, (self,) + args, kwargs)
self.state = 0
def toggle(self):
if hasattr(self, "_parentwindow") and self._parentwindow is not None:
self.state = self.state % 2 + 1
port = Qd.GetPort()
self.SetPort()
self.draw()
Qd.SetPort(port)
def reset(self):
if self._parentwindow:
self.state = 0
port = Qd.GetPort()
self.SetPort()
self.draw()
Qd.SetPort(port)
def draw(self, visRgn = None):
if self.state == 2:
Qd.PaintOval(self._bounds)
else:
Qd.EraseOval(self._bounds)
# convenience funcs
def postmortem(exc_type, exc_value, tb):
d = getdebugger()
d.postmortem(exc_type, exc_value, tb)
def start(bottomframe = None):
d = getdebugger()
d.start(bottomframe)
def startfromhere():
d = getdebugger()
try:
raise 'spam'
except:
frame = sys.exc_traceback.tb_frame.f_back
d.start(frame)
def startfrombottom():
d = getdebugger()
d.start(_getbottomframe(), 1)
def stop():
d = getdebugger()
d.stop()
def cont():
sys.settrace(None)
d = getdebugger()
d.set_continue_without_debugger()
def _getbottomframe():
try:
raise 'spam'
except:
pass
frame = sys.exc_traceback.tb_frame
while 1:
if frame.f_code.co_name == 'mainloop' or frame.f_back is None:
break
frame = frame.f_back
return frame
_debugger = None
def getdebugger():
if not __debug__:
raise W.AlertError, "Can't debug in \"Optimize bytecode\" mode.\r(see \"Default startup options\" in EditPythonPreferences)"
global _debugger
if _debugger is None:
_debugger = Debugger()
return _debugger
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