jpayne@68: import bdb
jpayne@68: import os
jpayne@68: 
jpayne@68: from tkinter import *
jpayne@68: from tkinter.ttk import Frame, Scrollbar
jpayne@68: 
jpayne@68: from idlelib import macosx
jpayne@68: from idlelib.scrolledlist import ScrolledList
jpayne@68: from idlelib.window import ListedToplevel
jpayne@68: 
jpayne@68: 
jpayne@68: class Idb(bdb.Bdb):
jpayne@68: 
jpayne@68:     def __init__(self, gui):
jpayne@68:         self.gui = gui  # An instance of Debugger or proxy of remote.
jpayne@68:         bdb.Bdb.__init__(self)
jpayne@68: 
jpayne@68:     def user_line(self, frame):
jpayne@68:         if self.in_rpc_code(frame):
jpayne@68:             self.set_step()
jpayne@68:             return
jpayne@68:         message = self.__frame2message(frame)
jpayne@68:         try:
jpayne@68:             self.gui.interaction(message, frame)
jpayne@68:         except TclError:  # When closing debugger window with [x] in 3.x
jpayne@68:             pass
jpayne@68: 
jpayne@68:     def user_exception(self, frame, info):
jpayne@68:         if self.in_rpc_code(frame):
jpayne@68:             self.set_step()
jpayne@68:             return
jpayne@68:         message = self.__frame2message(frame)
jpayne@68:         self.gui.interaction(message, frame, info)
jpayne@68: 
jpayne@68:     def in_rpc_code(self, frame):
jpayne@68:         if frame.f_code.co_filename.count('rpc.py'):
jpayne@68:             return True
jpayne@68:         else:
jpayne@68:             prev_frame = frame.f_back
jpayne@68:             prev_name = prev_frame.f_code.co_filename
jpayne@68:             if 'idlelib' in prev_name and 'debugger' in prev_name:
jpayne@68:                 # catch both idlelib/debugger.py and idlelib/debugger_r.py
jpayne@68:                 # on both Posix and Windows
jpayne@68:                 return False
jpayne@68:             return self.in_rpc_code(prev_frame)
jpayne@68: 
jpayne@68:     def __frame2message(self, frame):
jpayne@68:         code = frame.f_code
jpayne@68:         filename = code.co_filename
jpayne@68:         lineno = frame.f_lineno
jpayne@68:         basename = os.path.basename(filename)
jpayne@68:         message = "%s:%s" % (basename, lineno)
jpayne@68:         if code.co_name != "?":
jpayne@68:             message = "%s: %s()" % (message, code.co_name)
jpayne@68:         return message
jpayne@68: 
jpayne@68: 
jpayne@68: class Debugger:
jpayne@68: 
jpayne@68:     vstack = vsource = vlocals = vglobals = None
jpayne@68: 
jpayne@68:     def __init__(self, pyshell, idb=None):
jpayne@68:         if idb is None:
jpayne@68:             idb = Idb(self)
jpayne@68:         self.pyshell = pyshell
jpayne@68:         self.idb = idb  # If passed, a proxy of remote instance.
jpayne@68:         self.frame = None
jpayne@68:         self.make_gui()
jpayne@68:         self.interacting = 0
jpayne@68:         self.nesting_level = 0
jpayne@68: 
jpayne@68:     def run(self, *args):
jpayne@68:         # Deal with the scenario where we've already got a program running
jpayne@68:         # in the debugger and we want to start another. If that is the case,
jpayne@68:         # our second 'run' was invoked from an event dispatched not from
jpayne@68:         # the main event loop, but from the nested event loop in 'interaction'
jpayne@68:         # below. So our stack looks something like this:
jpayne@68:         #       outer main event loop
jpayne@68:         #         run()
jpayne@68:         #           <running program with traces>
jpayne@68:         #             callback to debugger's interaction()
jpayne@68:         #               nested event loop
jpayne@68:         #                 run() for second command
jpayne@68:         #
jpayne@68:         # This kind of nesting of event loops causes all kinds of problems
jpayne@68:         # (see e.g. issue #24455) especially when dealing with running as a
jpayne@68:         # subprocess, where there's all kinds of extra stuff happening in
jpayne@68:         # there - insert a traceback.print_stack() to check it out.
jpayne@68:         #
jpayne@68:         # By this point, we've already called restart_subprocess() in
jpayne@68:         # ScriptBinding. However, we also need to unwind the stack back to
jpayne@68:         # that outer event loop.  To accomplish this, we:
jpayne@68:         #   - return immediately from the nested run()
jpayne@68:         #   - abort_loop ensures the nested event loop will terminate
jpayne@68:         #   - the debugger's interaction routine completes normally
jpayne@68:         #   - the restart_subprocess() will have taken care of stopping
jpayne@68:         #     the running program, which will also let the outer run complete
jpayne@68:         #
jpayne@68:         # That leaves us back at the outer main event loop, at which point our
jpayne@68:         # after event can fire, and we'll come back to this routine with a
jpayne@68:         # clean stack.
jpayne@68:         if self.nesting_level > 0:
jpayne@68:             self.abort_loop()
jpayne@68:             self.root.after(100, lambda: self.run(*args))
jpayne@68:             return
jpayne@68:         try:
jpayne@68:             self.interacting = 1
jpayne@68:             return self.idb.run(*args)
jpayne@68:         finally:
jpayne@68:             self.interacting = 0
jpayne@68: 
jpayne@68:     def close(self, event=None):
jpayne@68:         try:
jpayne@68:             self.quit()
jpayne@68:         except Exception:
jpayne@68:             pass
jpayne@68:         if self.interacting:
jpayne@68:             self.top.bell()
jpayne@68:             return
jpayne@68:         if self.stackviewer:
jpayne@68:             self.stackviewer.close(); self.stackviewer = None
jpayne@68:         # Clean up pyshell if user clicked debugger control close widget.
jpayne@68:         # (Causes a harmless extra cycle through close_debugger() if user
jpayne@68:         # toggled debugger from pyshell Debug menu)
jpayne@68:         self.pyshell.close_debugger()
jpayne@68:         # Now close the debugger control window....
jpayne@68:         self.top.destroy()
jpayne@68: 
jpayne@68:     def make_gui(self):
jpayne@68:         pyshell = self.pyshell
jpayne@68:         self.flist = pyshell.flist
jpayne@68:         self.root = root = pyshell.root
jpayne@68:         self.top = top = ListedToplevel(root)
jpayne@68:         self.top.wm_title("Debug Control")
jpayne@68:         self.top.wm_iconname("Debug")
jpayne@68:         top.wm_protocol("WM_DELETE_WINDOW", self.close)
jpayne@68:         self.top.bind("<Escape>", self.close)
jpayne@68:         #
jpayne@68:         self.bframe = bframe = Frame(top)
jpayne@68:         self.bframe.pack(anchor="w")
jpayne@68:         self.buttons = bl = []
jpayne@68:         #
jpayne@68:         self.bcont = b = Button(bframe, text="Go", command=self.cont)
jpayne@68:         bl.append(b)
jpayne@68:         self.bstep = b = Button(bframe, text="Step", command=self.step)
jpayne@68:         bl.append(b)
jpayne@68:         self.bnext = b = Button(bframe, text="Over", command=self.next)
jpayne@68:         bl.append(b)
jpayne@68:         self.bret = b = Button(bframe, text="Out", command=self.ret)
jpayne@68:         bl.append(b)
jpayne@68:         self.bret = b = Button(bframe, text="Quit", command=self.quit)
jpayne@68:         bl.append(b)
jpayne@68:         #
jpayne@68:         for b in bl:
jpayne@68:             b.configure(state="disabled")
jpayne@68:             b.pack(side="left")
jpayne@68:         #
jpayne@68:         self.cframe = cframe = Frame(bframe)
jpayne@68:         self.cframe.pack(side="left")
jpayne@68:         #
jpayne@68:         if not self.vstack:
jpayne@68:             self.__class__.vstack = BooleanVar(top)
jpayne@68:             self.vstack.set(1)
jpayne@68:         self.bstack = Checkbutton(cframe,
jpayne@68:             text="Stack", command=self.show_stack, variable=self.vstack)
jpayne@68:         self.bstack.grid(row=0, column=0)
jpayne@68:         if not self.vsource:
jpayne@68:             self.__class__.vsource = BooleanVar(top)
jpayne@68:         self.bsource = Checkbutton(cframe,
jpayne@68:             text="Source", command=self.show_source, variable=self.vsource)
jpayne@68:         self.bsource.grid(row=0, column=1)
jpayne@68:         if not self.vlocals:
jpayne@68:             self.__class__.vlocals = BooleanVar(top)
jpayne@68:             self.vlocals.set(1)
jpayne@68:         self.blocals = Checkbutton(cframe,
jpayne@68:             text="Locals", command=self.show_locals, variable=self.vlocals)
jpayne@68:         self.blocals.grid(row=1, column=0)
jpayne@68:         if not self.vglobals:
jpayne@68:             self.__class__.vglobals = BooleanVar(top)
jpayne@68:         self.bglobals = Checkbutton(cframe,
jpayne@68:             text="Globals", command=self.show_globals, variable=self.vglobals)
jpayne@68:         self.bglobals.grid(row=1, column=1)
jpayne@68:         #
jpayne@68:         self.status = Label(top, anchor="w")
jpayne@68:         self.status.pack(anchor="w")
jpayne@68:         self.error = Label(top, anchor="w")
jpayne@68:         self.error.pack(anchor="w", fill="x")
jpayne@68:         self.errorbg = self.error.cget("background")
jpayne@68:         #
jpayne@68:         self.fstack = Frame(top, height=1)
jpayne@68:         self.fstack.pack(expand=1, fill="both")
jpayne@68:         self.flocals = Frame(top)
jpayne@68:         self.flocals.pack(expand=1, fill="both")
jpayne@68:         self.fglobals = Frame(top, height=1)
jpayne@68:         self.fglobals.pack(expand=1, fill="both")
jpayne@68:         #
jpayne@68:         if self.vstack.get():
jpayne@68:             self.show_stack()
jpayne@68:         if self.vlocals.get():
jpayne@68:             self.show_locals()
jpayne@68:         if self.vglobals.get():
jpayne@68:             self.show_globals()
jpayne@68: 
jpayne@68:     def interaction(self, message, frame, info=None):
jpayne@68:         self.frame = frame
jpayne@68:         self.status.configure(text=message)
jpayne@68:         #
jpayne@68:         if info:
jpayne@68:             type, value, tb = info
jpayne@68:             try:
jpayne@68:                 m1 = type.__name__
jpayne@68:             except AttributeError:
jpayne@68:                 m1 = "%s" % str(type)
jpayne@68:             if value is not None:
jpayne@68:                 try:
jpayne@68:                     m1 = "%s: %s" % (m1, str(value))
jpayne@68:                 except:
jpayne@68:                     pass
jpayne@68:             bg = "yellow"
jpayne@68:         else:
jpayne@68:             m1 = ""
jpayne@68:             tb = None
jpayne@68:             bg = self.errorbg
jpayne@68:         self.error.configure(text=m1, background=bg)
jpayne@68:         #
jpayne@68:         sv = self.stackviewer
jpayne@68:         if sv:
jpayne@68:             stack, i = self.idb.get_stack(self.frame, tb)
jpayne@68:             sv.load_stack(stack, i)
jpayne@68:         #
jpayne@68:         self.show_variables(1)
jpayne@68:         #
jpayne@68:         if self.vsource.get():
jpayne@68:             self.sync_source_line()
jpayne@68:         #
jpayne@68:         for b in self.buttons:
jpayne@68:             b.configure(state="normal")
jpayne@68:         #
jpayne@68:         self.top.wakeup()
jpayne@68:         # Nested main loop: Tkinter's main loop is not reentrant, so use
jpayne@68:         # Tcl's vwait facility, which reenters the event loop until an
jpayne@68:         # event handler sets the variable we're waiting on
jpayne@68:         self.nesting_level += 1
jpayne@68:         self.root.tk.call('vwait', '::idledebugwait')
jpayne@68:         self.nesting_level -= 1
jpayne@68:         #
jpayne@68:         for b in self.buttons:
jpayne@68:             b.configure(state="disabled")
jpayne@68:         self.status.configure(text="")
jpayne@68:         self.error.configure(text="", background=self.errorbg)
jpayne@68:         self.frame = None
jpayne@68: 
jpayne@68:     def sync_source_line(self):
jpayne@68:         frame = self.frame
jpayne@68:         if not frame:
jpayne@68:             return
jpayne@68:         filename, lineno = self.__frame2fileline(frame)
jpayne@68:         if filename[:1] + filename[-1:] != "<>" and os.path.exists(filename):
jpayne@68:             self.flist.gotofileline(filename, lineno)
jpayne@68: 
jpayne@68:     def __frame2fileline(self, frame):
jpayne@68:         code = frame.f_code
jpayne@68:         filename = code.co_filename
jpayne@68:         lineno = frame.f_lineno
jpayne@68:         return filename, lineno
jpayne@68: 
jpayne@68:     def cont(self):
jpayne@68:         self.idb.set_continue()
jpayne@68:         self.abort_loop()
jpayne@68: 
jpayne@68:     def step(self):
jpayne@68:         self.idb.set_step()
jpayne@68:         self.abort_loop()
jpayne@68: 
jpayne@68:     def next(self):
jpayne@68:         self.idb.set_next(self.frame)
jpayne@68:         self.abort_loop()
jpayne@68: 
jpayne@68:     def ret(self):
jpayne@68:         self.idb.set_return(self.frame)
jpayne@68:         self.abort_loop()
jpayne@68: 
jpayne@68:     def quit(self):
jpayne@68:         self.idb.set_quit()
jpayne@68:         self.abort_loop()
jpayne@68: 
jpayne@68:     def abort_loop(self):
jpayne@68:         self.root.tk.call('set', '::idledebugwait', '1')
jpayne@68: 
jpayne@68:     stackviewer = None
jpayne@68: 
jpayne@68:     def show_stack(self):
jpayne@68:         if not self.stackviewer and self.vstack.get():
jpayne@68:             self.stackviewer = sv = StackViewer(self.fstack, self.flist, self)
jpayne@68:             if self.frame:
jpayne@68:                 stack, i = self.idb.get_stack(self.frame, None)
jpayne@68:                 sv.load_stack(stack, i)
jpayne@68:         else:
jpayne@68:             sv = self.stackviewer
jpayne@68:             if sv and not self.vstack.get():
jpayne@68:                 self.stackviewer = None
jpayne@68:                 sv.close()
jpayne@68:             self.fstack['height'] = 1
jpayne@68: 
jpayne@68:     def show_source(self):
jpayne@68:         if self.vsource.get():
jpayne@68:             self.sync_source_line()
jpayne@68: 
jpayne@68:     def show_frame(self, stackitem):
jpayne@68:         self.frame = stackitem[0]  # lineno is stackitem[1]
jpayne@68:         self.show_variables()
jpayne@68: 
jpayne@68:     localsviewer = None
jpayne@68:     globalsviewer = None
jpayne@68: 
jpayne@68:     def show_locals(self):
jpayne@68:         lv = self.localsviewer
jpayne@68:         if self.vlocals.get():
jpayne@68:             if not lv:
jpayne@68:                 self.localsviewer = NamespaceViewer(self.flocals, "Locals")
jpayne@68:         else:
jpayne@68:             if lv:
jpayne@68:                 self.localsviewer = None
jpayne@68:                 lv.close()
jpayne@68:                 self.flocals['height'] = 1
jpayne@68:         self.show_variables()
jpayne@68: 
jpayne@68:     def show_globals(self):
jpayne@68:         gv = self.globalsviewer
jpayne@68:         if self.vglobals.get():
jpayne@68:             if not gv:
jpayne@68:                 self.globalsviewer = NamespaceViewer(self.fglobals, "Globals")
jpayne@68:         else:
jpayne@68:             if gv:
jpayne@68:                 self.globalsviewer = None
jpayne@68:                 gv.close()
jpayne@68:                 self.fglobals['height'] = 1
jpayne@68:         self.show_variables()
jpayne@68: 
jpayne@68:     def show_variables(self, force=0):
jpayne@68:         lv = self.localsviewer
jpayne@68:         gv = self.globalsviewer
jpayne@68:         frame = self.frame
jpayne@68:         if not frame:
jpayne@68:             ldict = gdict = None
jpayne@68:         else:
jpayne@68:             ldict = frame.f_locals
jpayne@68:             gdict = frame.f_globals
jpayne@68:             if lv and gv and ldict is gdict:
jpayne@68:                 ldict = None
jpayne@68:         if lv:
jpayne@68:             lv.load_dict(ldict, force, self.pyshell.interp.rpcclt)
jpayne@68:         if gv:
jpayne@68:             gv.load_dict(gdict, force, self.pyshell.interp.rpcclt)
jpayne@68: 
jpayne@68:     def set_breakpoint_here(self, filename, lineno):
jpayne@68:         self.idb.set_break(filename, lineno)
jpayne@68: 
jpayne@68:     def clear_breakpoint_here(self, filename, lineno):
jpayne@68:         self.idb.clear_break(filename, lineno)
jpayne@68: 
jpayne@68:     def clear_file_breaks(self, filename):
jpayne@68:         self.idb.clear_all_file_breaks(filename)
jpayne@68: 
jpayne@68:     def load_breakpoints(self):
jpayne@68:         "Load PyShellEditorWindow breakpoints into subprocess debugger"
jpayne@68:         for editwin in self.pyshell.flist.inversedict:
jpayne@68:             filename = editwin.io.filename
jpayne@68:             try:
jpayne@68:                 for lineno in editwin.breakpoints:
jpayne@68:                     self.set_breakpoint_here(filename, lineno)
jpayne@68:             except AttributeError:
jpayne@68:                 continue
jpayne@68: 
jpayne@68: class StackViewer(ScrolledList):
jpayne@68: 
jpayne@68:     def __init__(self, master, flist, gui):
jpayne@68:         if macosx.isAquaTk():
jpayne@68:             # At least on with the stock AquaTk version on OSX 10.4 you'll
jpayne@68:             # get a shaking GUI that eventually kills IDLE if the width
jpayne@68:             # argument is specified.
jpayne@68:             ScrolledList.__init__(self, master)
jpayne@68:         else:
jpayne@68:             ScrolledList.__init__(self, master, width=80)
jpayne@68:         self.flist = flist
jpayne@68:         self.gui = gui
jpayne@68:         self.stack = []
jpayne@68: 
jpayne@68:     def load_stack(self, stack, index=None):
jpayne@68:         self.stack = stack
jpayne@68:         self.clear()
jpayne@68:         for i in range(len(stack)):
jpayne@68:             frame, lineno = stack[i]
jpayne@68:             try:
jpayne@68:                 modname = frame.f_globals["__name__"]
jpayne@68:             except:
jpayne@68:                 modname = "?"
jpayne@68:             code = frame.f_code
jpayne@68:             filename = code.co_filename
jpayne@68:             funcname = code.co_name
jpayne@68:             import linecache
jpayne@68:             sourceline = linecache.getline(filename, lineno)
jpayne@68:             sourceline = sourceline.strip()
jpayne@68:             if funcname in ("?", "", None):
jpayne@68:                 item = "%s, line %d: %s" % (modname, lineno, sourceline)
jpayne@68:             else:
jpayne@68:                 item = "%s.%s(), line %d: %s" % (modname, funcname,
jpayne@68:                                                  lineno, sourceline)
jpayne@68:             if i == index:
jpayne@68:                 item = "> " + item
jpayne@68:             self.append(item)
jpayne@68:         if index is not None:
jpayne@68:             self.select(index)
jpayne@68: 
jpayne@68:     def popup_event(self, event):
jpayne@68:         "override base method"
jpayne@68:         if self.stack:
jpayne@68:             return ScrolledList.popup_event(self, event)
jpayne@68: 
jpayne@68:     def fill_menu(self):
jpayne@68:         "override base method"
jpayne@68:         menu = self.menu
jpayne@68:         menu.add_command(label="Go to source line",
jpayne@68:                          command=self.goto_source_line)
jpayne@68:         menu.add_command(label="Show stack frame",
jpayne@68:                          command=self.show_stack_frame)
jpayne@68: 
jpayne@68:     def on_select(self, index):
jpayne@68:         "override base method"
jpayne@68:         if 0 <= index < len(self.stack):
jpayne@68:             self.gui.show_frame(self.stack[index])
jpayne@68: 
jpayne@68:     def on_double(self, index):
jpayne@68:         "override base method"
jpayne@68:         self.show_source(index)
jpayne@68: 
jpayne@68:     def goto_source_line(self):
jpayne@68:         index = self.listbox.index("active")
jpayne@68:         self.show_source(index)
jpayne@68: 
jpayne@68:     def show_stack_frame(self):
jpayne@68:         index = self.listbox.index("active")
jpayne@68:         if 0 <= index < len(self.stack):
jpayne@68:             self.gui.show_frame(self.stack[index])
jpayne@68: 
jpayne@68:     def show_source(self, index):
jpayne@68:         if not (0 <= index < len(self.stack)):
jpayne@68:             return
jpayne@68:         frame, lineno = self.stack[index]
jpayne@68:         code = frame.f_code
jpayne@68:         filename = code.co_filename
jpayne@68:         if os.path.isfile(filename):
jpayne@68:             edit = self.flist.open(filename)
jpayne@68:             if edit:
jpayne@68:                 edit.gotoline(lineno)
jpayne@68: 
jpayne@68: 
jpayne@68: class NamespaceViewer:
jpayne@68: 
jpayne@68:     def __init__(self, master, title, dict=None):
jpayne@68:         width = 0
jpayne@68:         height = 40
jpayne@68:         if dict:
jpayne@68:             height = 20*len(dict) # XXX 20 == observed height of Entry widget
jpayne@68:         self.master = master
jpayne@68:         self.title = title
jpayne@68:         import reprlib
jpayne@68:         self.repr = reprlib.Repr()
jpayne@68:         self.repr.maxstring = 60
jpayne@68:         self.repr.maxother = 60
jpayne@68:         self.frame = frame = Frame(master)
jpayne@68:         self.frame.pack(expand=1, fill="both")
jpayne@68:         self.label = Label(frame, text=title, borderwidth=2, relief="groove")
jpayne@68:         self.label.pack(fill="x")
jpayne@68:         self.vbar = vbar = Scrollbar(frame, name="vbar")
jpayne@68:         vbar.pack(side="right", fill="y")
jpayne@68:         self.canvas = canvas = Canvas(frame,
jpayne@68:                                       height=min(300, max(40, height)),
jpayne@68:                                       scrollregion=(0, 0, width, height))
jpayne@68:         canvas.pack(side="left", fill="both", expand=1)
jpayne@68:         vbar["command"] = canvas.yview
jpayne@68:         canvas["yscrollcommand"] = vbar.set
jpayne@68:         self.subframe = subframe = Frame(canvas)
jpayne@68:         self.sfid = canvas.create_window(0, 0, window=subframe, anchor="nw")
jpayne@68:         self.load_dict(dict)
jpayne@68: 
jpayne@68:     dict = -1
jpayne@68: 
jpayne@68:     def load_dict(self, dict, force=0, rpc_client=None):
jpayne@68:         if dict is self.dict and not force:
jpayne@68:             return
jpayne@68:         subframe = self.subframe
jpayne@68:         frame = self.frame
jpayne@68:         for c in list(subframe.children.values()):
jpayne@68:             c.destroy()
jpayne@68:         self.dict = None
jpayne@68:         if not dict:
jpayne@68:             l = Label(subframe, text="None")
jpayne@68:             l.grid(row=0, column=0)
jpayne@68:         else:
jpayne@68:             #names = sorted(dict)
jpayne@68:             ###
jpayne@68:             # Because of (temporary) limitations on the dict_keys type (not yet
jpayne@68:             # public or pickleable), have the subprocess to send a list of
jpayne@68:             # keys, not a dict_keys object.  sorted() will take a dict_keys
jpayne@68:             # (no subprocess) or a list.
jpayne@68:             #
jpayne@68:             # There is also an obscure bug in sorted(dict) where the
jpayne@68:             # interpreter gets into a loop requesting non-existing dict[0],
jpayne@68:             # dict[1], dict[2], etc from the debugger_r.DictProxy.
jpayne@68:             ###
jpayne@68:             keys_list = dict.keys()
jpayne@68:             names = sorted(keys_list)
jpayne@68:             ###
jpayne@68:             row = 0
jpayne@68:             for name in names:
jpayne@68:                 value = dict[name]
jpayne@68:                 svalue = self.repr.repr(value) # repr(value)
jpayne@68:                 # Strip extra quotes caused by calling repr on the (already)
jpayne@68:                 # repr'd value sent across the RPC interface:
jpayne@68:                 if rpc_client:
jpayne@68:                     svalue = svalue[1:-1]
jpayne@68:                 l = Label(subframe, text=name)
jpayne@68:                 l.grid(row=row, column=0, sticky="nw")
jpayne@68:                 l = Entry(subframe, width=0, borderwidth=0)
jpayne@68:                 l.insert(0, svalue)
jpayne@68:                 l.grid(row=row, column=1, sticky="nw")
jpayne@68:                 row = row+1
jpayne@68:         self.dict = dict
jpayne@68:         # XXX Could we use a <Configure> callback for the following?
jpayne@68:         subframe.update_idletasks() # Alas!
jpayne@68:         width = subframe.winfo_reqwidth()
jpayne@68:         height = subframe.winfo_reqheight()
jpayne@68:         canvas = self.canvas
jpayne@68:         self.canvas["scrollregion"] = (0, 0, width, height)
jpayne@68:         if height > 300:
jpayne@68:             canvas["height"] = 300
jpayne@68:             frame.pack(expand=1)
jpayne@68:         else:
jpayne@68:             canvas["height"] = height
jpayne@68:             frame.pack(expand=0)
jpayne@68: 
jpayne@68:     def close(self):
jpayne@68:         self.frame.destroy()
jpayne@68: 
jpayne@68: if __name__ == "__main__":
jpayne@68:     from unittest import main
jpayne@68:     main('idlelib.idle_test.test_debugger', verbosity=2, exit=False)
jpayne@68: 
jpayne@68: # TODO: htest?