import os

[0] Fix | Delete

import bdb

[1] Fix | Delete

from Tkinter import *

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from idlelib.WindowList import ListedToplevel

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from idlelib.ScrolledList import ScrolledList

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from idlelib import macosxSupport

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class Idb(bdb.Bdb):

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def __init__(self, gui):

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self.gui = gui

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bdb.Bdb.__init__(self)

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def user_line(self, frame):

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if self.in_rpc_code(frame):

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self.set_step()

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return

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message = self.__frame2message(frame)

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try:

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self.gui.interaction(message, frame)

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except TclError: # When closing debugger window with [x] in 3.x

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pass

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def user_exception(self, frame, info):

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if self.in_rpc_code(frame):

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self.set_step()

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return

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message = self.__frame2message(frame)

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self.gui.interaction(message, frame, info)

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def in_rpc_code(self, frame):

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if frame.f_code.co_filename.count('rpc.py'):

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return True

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else:

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prev_frame = frame.f_back

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if prev_frame.f_code.co_filename.count('Debugger.py'):

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# (that test will catch both Debugger.py and RemoteDebugger.py)

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return False

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return self.in_rpc_code(prev_frame)

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def __frame2message(self, frame):

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code = frame.f_code

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filename = code.co_filename

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lineno = frame.f_lineno

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basename = os.path.basename(filename)

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message = "%s:%s" % (basename, lineno)

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if code.co_name != "?":

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message = "%s: %s()" % (message, code.co_name)

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return message

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class Debugger:

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vstack = vsource = vlocals = vglobals = None

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def __init__(self, pyshell, idb=None):

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if idb is None:

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idb = Idb(self)

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self.pyshell = pyshell

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self.idb = idb

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self.frame = None

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self.make_gui()

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self.interacting = 0

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self.nesting_level = 0

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def run(self, *args):

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# Deal with the scenario where we've already got a program running

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# in the debugger and we want to start another. If that is the case,

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# our second 'run' was invoked from an event dispatched not from

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# the main event loop, but from the nested event loop in 'interaction'

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# below. So our stack looks something like this:

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# outer main event loop

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# run()

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# <running program with traces>

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# callback to debugger's interaction()

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# nested event loop

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# run() for second command

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#

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# This kind of nesting of event loops causes all kinds of problems

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# (see e.g. issue #24455) especially when dealing with running as a

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# subprocess, where there's all kinds of extra stuff happening in

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# there - insert a traceback.print_stack() to check it out.

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#

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# By this point, we've already called restart_subprocess() in

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# ScriptBinding. However, we also need to unwind the stack back to

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# that outer event loop. To accomplish this, we:

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# - return immediately from the nested run()

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# - abort_loop ensures the nested event loop will terminate

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# - the debugger's interaction routine completes normally

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# - the restart_subprocess() will have taken care of stopping

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# the running program, which will also let the outer run complete

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#

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# That leaves us back at the outer main event loop, at which point our

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# after event can fire, and we'll come back to this routine with a

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# clean stack.

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if self.nesting_level > 0:

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self.abort_loop()

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self.root.after(100, lambda: self.run(*args))

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return

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try:

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self.interacting = 1

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return self.idb.run(*args)

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finally:

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self.interacting = 0

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def close(self, event=None):

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try:

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self.quit()

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except Exception:

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pass

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if self.interacting:

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self.top.bell()

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return

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if self.stackviewer:

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self.stackviewer.close(); self.stackviewer = None

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# Clean up pyshell if user clicked debugger control close widget.

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# (Causes a harmless extra cycle through close_debugger() if user

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# toggled debugger from pyshell Debug menu)

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self.pyshell.close_debugger()

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# Now close the debugger control window....

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self.top.destroy()

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def make_gui(self):

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pyshell = self.pyshell

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self.flist = pyshell.flist

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self.root = root = pyshell.root

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self.top = top = ListedToplevel(root)

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self.top.wm_title("Debug Control")

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self.top.wm_iconname("Debug")

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top.wm_protocol("WM_DELETE_WINDOW", self.close)

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self.top.bind("<Escape>", self.close)

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#

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self.bframe = bframe = Frame(top)

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self.bframe.pack(anchor="w")

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self.buttons = bl = []

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#

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self.bcont = b = Button(bframe, text="Go", command=self.cont)

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bl.append(b)

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self.bstep = b = Button(bframe, text="Step", command=self.step)

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bl.append(b)

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self.bnext = b = Button(bframe, text="Over", command=self.next)

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bl.append(b)

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self.bret = b = Button(bframe, text="Out", command=self.ret)

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bl.append(b)

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self.bret = b = Button(bframe, text="Quit", command=self.quit)

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bl.append(b)

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#

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for b in bl:

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b.configure(state="disabled")

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b.pack(side="left")

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#

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self.cframe = cframe = Frame(bframe)

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self.cframe.pack(side="left")

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#

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if not self.vstack:

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self.__class__.vstack = BooleanVar(top)

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self.vstack.set(1)

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self.bstack = Checkbutton(cframe,

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text="Stack", command=self.show_stack, variable=self.vstack)

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self.bstack.grid(row=0, column=0)

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if not self.vsource:

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self.__class__.vsource = BooleanVar(top)

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self.bsource = Checkbutton(cframe,

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text="Source", command=self.show_source, variable=self.vsource)

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self.bsource.grid(row=0, column=1)

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if not self.vlocals:

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self.__class__.vlocals = BooleanVar(top)

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self.vlocals.set(1)

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self.blocals = Checkbutton(cframe,

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text="Locals", command=self.show_locals, variable=self.vlocals)

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self.blocals.grid(row=1, column=0)

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if not self.vglobals:

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self.__class__.vglobals = BooleanVar(top)

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self.bglobals = Checkbutton(cframe,

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text="Globals", command=self.show_globals, variable=self.vglobals)

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self.bglobals.grid(row=1, column=1)

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#

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self.status = Label(top, anchor="w")

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self.status.pack(anchor="w")

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self.error = Label(top, anchor="w")

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self.error.pack(anchor="w", fill="x")

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self.errorbg = self.error.cget("background")

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#

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self.fstack = Frame(top, height=1)

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self.fstack.pack(expand=1, fill="both")

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self.flocals = Frame(top)

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self.flocals.pack(expand=1, fill="both")

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self.fglobals = Frame(top, height=1)

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self.fglobals.pack(expand=1, fill="both")

[189] Fix | Delete

#

[190] Fix | Delete

if self.vstack.get():

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self.show_stack()

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if self.vlocals.get():

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self.show_locals()

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if self.vglobals.get():

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self.show_globals()

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def interaction(self, message, frame, info=None):

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self.frame = frame

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self.status.configure(text=message)

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#

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if info:

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type, value, tb = info

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try:

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m1 = type.__name__

[205] Fix | Delete

except AttributeError:

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m1 = "%s" % str(type)

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if value is not None:

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try:

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m1 = "%s: %s" % (m1, str(value))

[210] Fix | Delete

except:

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pass

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bg = "yellow"

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else:

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m1 = ""

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tb = None

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bg = self.errorbg

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self.error.configure(text=m1, background=bg)

[218] Fix | Delete

#

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sv = self.stackviewer

[220] Fix | Delete

if sv:

[221] Fix | Delete

stack, i = self.idb.get_stack(self.frame, tb)

[222] Fix | Delete

sv.load_stack(stack, i)

[223] Fix | Delete

#

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self.show_variables(1)

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#

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if self.vsource.get():

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self.sync_source_line()

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#

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for b in self.buttons:

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b.configure(state="normal")

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#

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self.top.wakeup()

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# Nested main loop: Tkinter's main loop is not reentrant, so use

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# Tcl's vwait facility, which reenters the event loop until an

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# event handler sets the variable we're waiting on

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self.nesting_level += 1

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self.root.tk.call('vwait', '::idledebugwait')

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self.nesting_level -= 1

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#

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for b in self.buttons:

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b.configure(state="disabled")

[242] Fix | Delete

self.status.configure(text="")

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self.error.configure(text="", background=self.errorbg)

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self.frame = None

[245] Fix | Delete

[246] Fix | Delete

def sync_source_line(self):

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frame = self.frame

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if not frame:

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return

[250] Fix | Delete

filename, lineno = self.__frame2fileline(frame)

[251] Fix | Delete

if filename[:1] + filename[-1:] != "<>" and os.path.exists(filename):

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self.flist.gotofileline(filename, lineno)

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def __frame2fileline(self, frame):

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code = frame.f_code

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filename = code.co_filename

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lineno = frame.f_lineno

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return filename, lineno

[259] Fix | Delete

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def cont(self):

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self.idb.set_continue()

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self.abort_loop()

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def step(self):

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self.idb.set_step()

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self.abort_loop()

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def next(self):

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self.idb.set_next(self.frame)

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self.abort_loop()

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[272] Fix | Delete

def ret(self):

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self.idb.set_return(self.frame)

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self.abort_loop()

[275] Fix | Delete

[276] Fix | Delete

def quit(self):

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self.idb.set_quit()

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self.abort_loop()

[279] Fix | Delete

[280] Fix | Delete

def abort_loop(self):

[281] Fix | Delete

self.root.tk.call('set', '::idledebugwait', '1')

[282] Fix | Delete

[283] Fix | Delete

stackviewer = None

[284] Fix | Delete

[285] Fix | Delete

def show_stack(self):

[286] Fix | Delete

if not self.stackviewer and self.vstack.get():

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self.stackviewer = sv = StackViewer(self.fstack, self.flist, self)

[288] Fix | Delete

if self.frame:

[289] Fix | Delete

stack, i = self.idb.get_stack(self.frame, None)

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sv.load_stack(stack, i)

[291] Fix | Delete

else:

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sv = self.stackviewer

[293] Fix | Delete

if sv and not self.vstack.get():

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self.stackviewer = None

[295] Fix | Delete

sv.close()

[296] Fix | Delete

self.fstack['height'] = 1

[297] Fix | Delete

[298] Fix | Delete

def show_source(self):

[299] Fix | Delete

if self.vsource.get():

[300] Fix | Delete

self.sync_source_line()

[301] Fix | Delete

[302] Fix | Delete

def show_frame(self, stackitem):

[303] Fix | Delete

self.frame = stackitem[0] # lineno is stackitem[1]

[304] Fix | Delete

self.show_variables()

[305] Fix | Delete

[306] Fix | Delete

localsviewer = None

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globalsviewer = None

[308] Fix | Delete

[309] Fix | Delete

def show_locals(self):

[310] Fix | Delete

lv = self.localsviewer

[311] Fix | Delete

if self.vlocals.get():

[312] Fix | Delete

if not lv:

[313] Fix | Delete

self.localsviewer = NamespaceViewer(self.flocals, "Locals")

[314] Fix | Delete

else:

[315] Fix | Delete

if lv:

[316] Fix | Delete

self.localsviewer = None

[317] Fix | Delete

lv.close()

[318] Fix | Delete

self.flocals['height'] = 1

[319] Fix | Delete

self.show_variables()

[320] Fix | Delete

[321] Fix | Delete

def show_globals(self):

[322] Fix | Delete

gv = self.globalsviewer

[323] Fix | Delete

if self.vglobals.get():

[324] Fix | Delete

if not gv:

[325] Fix | Delete

self.globalsviewer = NamespaceViewer(self.fglobals, "Globals")

[326] Fix | Delete

else:

[327] Fix | Delete

if gv:

[328] Fix | Delete

self.globalsviewer = None

[329] Fix | Delete

gv.close()

[330] Fix | Delete

self.fglobals['height'] = 1

[331] Fix | Delete

self.show_variables()

[332] Fix | Delete

[333] Fix | Delete

def show_variables(self, force=0):

[334] Fix | Delete

lv = self.localsviewer

[335] Fix | Delete

gv = self.globalsviewer

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frame = self.frame

[337] Fix | Delete

if not frame:

[338] Fix | Delete

ldict = gdict = None

[339] Fix | Delete

else:

[340] Fix | Delete

ldict = frame.f_locals

[341] Fix | Delete

gdict = frame.f_globals

[342] Fix | Delete

if lv and gv and ldict is gdict:

[343] Fix | Delete

ldict = None

[344] Fix | Delete

if lv:

[345] Fix | Delete

lv.load_dict(ldict, force, self.pyshell.interp.rpcclt)

[346] Fix | Delete

if gv:

[347] Fix | Delete

gv.load_dict(gdict, force, self.pyshell.interp.rpcclt)

[348] Fix | Delete

[349] Fix | Delete

def set_breakpoint_here(self, filename, lineno):

[350] Fix | Delete

self.idb.set_break(filename, lineno)

[351] Fix | Delete

[352] Fix | Delete

def clear_breakpoint_here(self, filename, lineno):

[353] Fix | Delete

self.idb.clear_break(filename, lineno)

[354] Fix | Delete

[355] Fix | Delete

def clear_file_breaks(self, filename):

[356] Fix | Delete

self.idb.clear_all_file_breaks(filename)

[357] Fix | Delete

[358] Fix | Delete

def load_breakpoints(self):

[359] Fix | Delete

"Load PyShellEditorWindow breakpoints into subprocess debugger"

[360] Fix | Delete

pyshell_edit_windows = self.pyshell.flist.inversedict.keys()

[361] Fix | Delete

for editwin in pyshell_edit_windows:

[362] Fix | Delete

filename = editwin.io.filename

[363] Fix | Delete

try:

[364] Fix | Delete

for lineno in editwin.breakpoints:

[365] Fix | Delete

self.set_breakpoint_here(filename, lineno)

[366] Fix | Delete

except AttributeError:

[367] Fix | Delete

continue

[368] Fix | Delete

[369] Fix | Delete

class StackViewer(ScrolledList):

[370] Fix | Delete

[371] Fix | Delete

def __init__(self, master, flist, gui):

[372] Fix | Delete

if macosxSupport.isAquaTk():

[373] Fix | Delete

# At least on with the stock AquaTk version on OSX 10.4 you'll

[374] Fix | Delete

# get a shaking GUI that eventually kills IDLE if the width

[375] Fix | Delete

# argument is specified.

[376] Fix | Delete

ScrolledList.__init__(self, master)

[377] Fix | Delete

else:

[378] Fix | Delete

ScrolledList.__init__(self, master, width=80)

[379] Fix | Delete

self.flist = flist

[380] Fix | Delete

self.gui = gui

[381] Fix | Delete

self.stack = []

[382] Fix | Delete

[383] Fix | Delete

def load_stack(self, stack, index=None):

[384] Fix | Delete

self.stack = stack

[385] Fix | Delete

self.clear()

[386] Fix | Delete

for i in range(len(stack)):

[387] Fix | Delete

frame, lineno = stack[i]

[388] Fix | Delete

try:

[389] Fix | Delete

modname = frame.f_globals["__name__"]

[390] Fix | Delete

except:

[391] Fix | Delete

modname = "?"

[392] Fix | Delete

code = frame.f_code

[393] Fix | Delete

filename = code.co_filename

[394] Fix | Delete

funcname = code.co_name

[395] Fix | Delete

import linecache

[396] Fix | Delete

sourceline = linecache.getline(filename, lineno)

[397] Fix | Delete

import string

[398] Fix | Delete

sourceline = string.strip(sourceline)

[399] Fix | Delete

if funcname in ("?", "", None):

[400] Fix | Delete

item = "%s, line %d: %s" % (modname, lineno, sourceline)

[401] Fix | Delete

else:

[402] Fix | Delete

item = "%s.%s(), line %d: %s" % (modname, funcname,

[403] Fix | Delete

lineno, sourceline)

[404] Fix | Delete

if i == index:

[405] Fix | Delete

item = "> " + item

[406] Fix | Delete

self.append(item)

[407] Fix | Delete

if index is not None:

[408] Fix | Delete

self.select(index)

[409] Fix | Delete

[410] Fix | Delete

def popup_event(self, event):

[411] Fix | Delete

"override base method"

[412] Fix | Delete

if self.stack:

[413] Fix | Delete

return ScrolledList.popup_event(self, event)

[414] Fix | Delete

[415] Fix | Delete

def fill_menu(self):

[416] Fix | Delete

"override base method"

[417] Fix | Delete

menu = self.menu

[418] Fix | Delete

menu.add_command(label="Go to source line",

[419] Fix | Delete

command=self.goto_source_line)

[420] Fix | Delete

menu.add_command(label="Show stack frame",

[421] Fix | Delete

command=self.show_stack_frame)

[422] Fix | Delete

[423] Fix | Delete

def on_select(self, index):

[424] Fix | Delete

"override base method"

[425] Fix | Delete

if 0 <= index < len(self.stack):

[426] Fix | Delete

self.gui.show_frame(self.stack[index])

[427] Fix | Delete

[428] Fix | Delete

def on_double(self, index):

[429] Fix | Delete

"override base method"

[430] Fix | Delete

self.show_source(index)

[431] Fix | Delete

[432] Fix | Delete

def goto_source_line(self):

[433] Fix | Delete

index = self.listbox.index("active")

[434] Fix | Delete

self.show_source(index)

[435] Fix | Delete

[436] Fix | Delete

def show_stack_frame(self):

[437] Fix | Delete

index = self.listbox.index("active")

[438] Fix | Delete

if 0 <= index < len(self.stack):

[439] Fix | Delete

self.gui.show_frame(self.stack[index])

[440] Fix | Delete

[441] Fix | Delete

def show_source(self, index):

[442] Fix | Delete

if not (0 <= index < len(self.stack)):

[443] Fix | Delete

return

[444] Fix | Delete

frame, lineno = self.stack[index]

[445] Fix | Delete

code = frame.f_code

[446] Fix | Delete

filename = code.co_filename

[447] Fix | Delete

if os.path.isfile(filename):

[448] Fix | Delete

edit = self.flist.open(filename)

[449] Fix | Delete

if edit:

[450] Fix | Delete

edit.gotoline(lineno)

[451] Fix | Delete

[452] Fix | Delete

[453] Fix | Delete

class NamespaceViewer:

[454] Fix | Delete

[455] Fix | Delete

def __init__(self, master, title, dict=None):

[456] Fix | Delete

width = 0

[457] Fix | Delete

height = 40

[458] Fix | Delete

if dict:

[459] Fix | Delete

height = 20*len(dict) # XXX 20 == observed height of Entry widget

[460] Fix | Delete

self.master = master

[461] Fix | Delete

self.title = title

[462] Fix | Delete

import repr

[463] Fix | Delete

self.repr = repr.Repr()

[464] Fix | Delete

self.repr.maxstring = 60

[465] Fix | Delete

self.repr.maxother = 60

[466] Fix | Delete

self.frame = frame = Frame(master)

[467] Fix | Delete

self.frame.pack(expand=1, fill="both")

[468] Fix | Delete

self.label = Label(frame, text=title, borderwidth=2, relief="groove")

[469] Fix | Delete

self.label.pack(fill="x")

[470] Fix | Delete

self.vbar = vbar = Scrollbar(frame, name="vbar")

[471] Fix | Delete

vbar.pack(side="right", fill="y")

[472] Fix | Delete

self.canvas = canvas = Canvas(frame,

[473] Fix | Delete

height=min(300, max(40, height)),

[474] Fix | Delete

scrollregion=(0, 0, width, height))

[475] Fix | Delete

canvas.pack(side="left", fill="both", expand=1)

[476] Fix | Delete

vbar["command"] = canvas.yview

[477] Fix | Delete

canvas["yscrollcommand"] = vbar.set

[478] Fix | Delete

self.subframe = subframe = Frame(canvas)

[479] Fix | Delete

self.sfid = canvas.create_window(0, 0, window=subframe, anchor="nw")

[480] Fix | Delete

self.load_dict(dict)

[481] Fix | Delete

[482] Fix | Delete

dict = -1

[483] Fix | Delete

[484] Fix | Delete

def load_dict(self, dict, force=0, rpc_client=None):

[485] Fix | Delete

if dict is self.dict and not force:

[486] Fix | Delete

return

[487] Fix | Delete

subframe = self.subframe

[488] Fix | Delete

frame = self.frame

[489] Fix | Delete

for c in subframe.children.values():

[490] Fix | Delete

c.destroy()

[491] Fix | Delete

self.dict = None

[492] Fix | Delete

if not dict:

[493] Fix | Delete

l = Label(subframe, text="None")

[494] Fix | Delete

l.grid(row=0, column=0)

[495] Fix | Delete

else:

[496] Fix | Delete

names = dict.keys()

[497] Fix | Delete

names.sort()

[498] Fix | Delete

row = 0

[499] Fix | Delete