551 lines
19 KiB
Python
551 lines
19 KiB
Python
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import bdb
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import os
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from tkinter import *
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from tkinter.ttk import Frame, Scrollbar
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from idlelib import macosx
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from idlelib.scrolledlist import ScrolledList
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from idlelib.window import ListedToplevel
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class Idb(bdb.Bdb):
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def __init__(self, gui):
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self.gui = gui # An instance of Debugger or proxy of remote.
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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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prev_name = prev_frame.f_code.co_filename
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if 'idlelib' in prev_name and 'debugger' in prev_name:
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# catch both idlelib/debugger.py and idlelib/debugger_r.py
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# on both Posix and Windows
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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 # If passed, a proxy of remote instance.
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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")
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#
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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__
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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))
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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)
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#
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sv = self.stackviewer
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if sv:
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stack, i = self.idb.get_stack(self.frame, tb)
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sv.load_stack(stack, i)
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#
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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")
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self.status.configure(text="")
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self.error.configure(text="", background=self.errorbg)
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self.frame = None
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def sync_source_line(self):
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frame = self.frame
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if not frame:
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return
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filename, lineno = self.__frame2fileline(frame)
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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
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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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def ret(self):
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self.idb.set_return(self.frame)
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self.abort_loop()
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def quit(self):
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self.idb.set_quit()
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self.abort_loop()
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def abort_loop(self):
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self.root.tk.call('set', '::idledebugwait', '1')
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stackviewer = None
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def show_stack(self):
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if not self.stackviewer and self.vstack.get():
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self.stackviewer = sv = StackViewer(self.fstack, self.flist, self)
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if self.frame:
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stack, i = self.idb.get_stack(self.frame, None)
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sv.load_stack(stack, i)
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else:
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sv = self.stackviewer
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if sv and not self.vstack.get():
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self.stackviewer = None
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sv.close()
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self.fstack['height'] = 1
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def show_source(self):
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if self.vsource.get():
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self.sync_source_line()
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def show_frame(self, stackitem):
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self.frame = stackitem[0] # lineno is stackitem[1]
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self.show_variables()
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localsviewer = None
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globalsviewer = None
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def show_locals(self):
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lv = self.localsviewer
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if self.vlocals.get():
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if not lv:
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self.localsviewer = NamespaceViewer(self.flocals, "Locals")
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else:
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if lv:
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self.localsviewer = None
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lv.close()
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self.flocals['height'] = 1
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self.show_variables()
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def show_globals(self):
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gv = self.globalsviewer
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if self.vglobals.get():
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if not gv:
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self.globalsviewer = NamespaceViewer(self.fglobals, "Globals")
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else:
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if gv:
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self.globalsviewer = None
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gv.close()
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self.fglobals['height'] = 1
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self.show_variables()
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def show_variables(self, force=0):
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lv = self.localsviewer
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gv = self.globalsviewer
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frame = self.frame
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if not frame:
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ldict = gdict = None
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else:
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ldict = frame.f_locals
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gdict = frame.f_globals
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if lv and gv and ldict is gdict:
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ldict = None
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if lv:
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lv.load_dict(ldict, force, self.pyshell.interp.rpcclt)
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if gv:
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gv.load_dict(gdict, force, self.pyshell.interp.rpcclt)
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def set_breakpoint_here(self, filename, lineno):
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self.idb.set_break(filename, lineno)
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def clear_breakpoint_here(self, filename, lineno):
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self.idb.clear_break(filename, lineno)
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def clear_file_breaks(self, filename):
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self.idb.clear_all_file_breaks(filename)
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def load_breakpoints(self):
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"Load PyShellEditorWindow breakpoints into subprocess debugger"
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for editwin in self.pyshell.flist.inversedict:
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filename = editwin.io.filename
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try:
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|
for lineno in editwin.breakpoints:
|
||
|
|
self.set_breakpoint_here(filename, lineno)
|
||
|
|
except AttributeError:
|
||
|
|
continue
|
||
|
|
|
||
|
|
class StackViewer(ScrolledList):
|
||
|
|
|
||
|
|
def __init__(self, master, flist, gui):
|
||
|
|
if macosx.isAquaTk():
|
||
|
|
# At least on with the stock AquaTk version on OSX 10.4 you'll
|
||
|
|
# get a shaking GUI that eventually kills IDLE if the width
|
||
|
|
# argument is specified.
|
||
|
|
ScrolledList.__init__(self, master)
|
||
|
|
else:
|
||
|
|
ScrolledList.__init__(self, master, width=80)
|
||
|
|
self.flist = flist
|
||
|
|
self.gui = gui
|
||
|
|
self.stack = []
|
||
|
|
|
||
|
|
def load_stack(self, stack, index=None):
|
||
|
|
self.stack = stack
|
||
|
|
self.clear()
|
||
|
|
for i in range(len(stack)):
|
||
|
|
frame, lineno = stack[i]
|
||
|
|
try:
|
||
|
|
modname = frame.f_globals["__name__"]
|
||
|
|
except:
|
||
|
|
modname = "?"
|
||
|
|
code = frame.f_code
|
||
|
|
filename = code.co_filename
|
||
|
|
funcname = code.co_name
|
||
|
|
import linecache
|
||
|
|
sourceline = linecache.getline(filename, lineno)
|
||
|
|
sourceline = sourceline.strip()
|
||
|
|
if funcname in ("?", "", None):
|
||
|
|
item = "%s, line %d: %s" % (modname, lineno, sourceline)
|
||
|
|
else:
|
||
|
|
item = "%s.%s(), line %d: %s" % (modname, funcname,
|
||
|
|
lineno, sourceline)
|
||
|
|
if i == index:
|
||
|
|
item = "> " + item
|
||
|
|
self.append(item)
|
||
|
|
if index is not None:
|
||
|
|
self.select(index)
|
||
|
|
|
||
|
|
def popup_event(self, event):
|
||
|
|
"override base method"
|
||
|
|
if self.stack:
|
||
|
|
return ScrolledList.popup_event(self, event)
|
||
|
|
|
||
|
|
def fill_menu(self):
|
||
|
|
"override base method"
|
||
|
|
menu = self.menu
|
||
|
|
menu.add_command(label="Go to source line",
|
||
|
|
command=self.goto_source_line)
|
||
|
|
menu.add_command(label="Show stack frame",
|
||
|
|
command=self.show_stack_frame)
|
||
|
|
|
||
|
|
def on_select(self, index):
|
||
|
|
"override base method"
|
||
|
|
if 0 <= index < len(self.stack):
|
||
|
|
self.gui.show_frame(self.stack[index])
|
||
|
|
|
||
|
|
def on_double(self, index):
|
||
|
|
"override base method"
|
||
|
|
self.show_source(index)
|
||
|
|
|
||
|
|
def goto_source_line(self):
|
||
|
|
index = self.listbox.index("active")
|
||
|
|
self.show_source(index)
|
||
|
|
|
||
|
|
def show_stack_frame(self):
|
||
|
|
index = self.listbox.index("active")
|
||
|
|
if 0 <= index < len(self.stack):
|
||
|
|
self.gui.show_frame(self.stack[index])
|
||
|
|
|
||
|
|
def show_source(self, index):
|
||
|
|
if not (0 <= index < len(self.stack)):
|
||
|
|
return
|
||
|
|
frame, lineno = self.stack[index]
|
||
|
|
code = frame.f_code
|
||
|
|
filename = code.co_filename
|
||
|
|
if os.path.isfile(filename):
|
||
|
|
edit = self.flist.open(filename)
|
||
|
|
if edit:
|
||
|
|
edit.gotoline(lineno)
|
||
|
|
|
||
|
|
|
||
|
|
class NamespaceViewer:
|
||
|
|
|
||
|
|
def __init__(self, master, title, dict=None):
|
||
|
|
width = 0
|
||
|
|
height = 40
|
||
|
|
if dict:
|
||
|
|
height = 20*len(dict) # XXX 20 == observed height of Entry widget
|
||
|
|
self.master = master
|
||
|
|
self.title = title
|
||
|
|
import reprlib
|
||
|
|
self.repr = reprlib.Repr()
|
||
|
|
self.repr.maxstring = 60
|
||
|
|
self.repr.maxother = 60
|
||
|
|
self.frame = frame = Frame(master)
|
||
|
|
self.frame.pack(expand=1, fill="both")
|
||
|
|
self.label = Label(frame, text=title, borderwidth=2, relief="groove")
|
||
|
|
self.label.pack(fill="x")
|
||
|
|
self.vbar = vbar = Scrollbar(frame, name="vbar")
|
||
|
|
vbar.pack(side="right", fill="y")
|
||
|
|
self.canvas = canvas = Canvas(frame,
|
||
|
|
height=min(300, max(40, height)),
|
||
|
|
scrollregion=(0, 0, width, height))
|
||
|
|
canvas.pack(side="left", fill="both", expand=1)
|
||
|
|
vbar["command"] = canvas.yview
|
||
|
|
canvas["yscrollcommand"] = vbar.set
|
||
|
|
self.subframe = subframe = Frame(canvas)
|
||
|
|
self.sfid = canvas.create_window(0, 0, window=subframe, anchor="nw")
|
||
|
|
self.load_dict(dict)
|
||
|
|
|
||
|
|
dict = -1
|
||
|
|
|
||
|
|
def load_dict(self, dict, force=0, rpc_client=None):
|
||
|
|
if dict is self.dict and not force:
|
||
|
|
return
|
||
|
|
subframe = self.subframe
|
||
|
|
frame = self.frame
|
||
|
|
for c in list(subframe.children.values()):
|
||
|
|
c.destroy()
|
||
|
|
self.dict = None
|
||
|
|
if not dict:
|
||
|
|
l = Label(subframe, text="None")
|
||
|
|
l.grid(row=0, column=0)
|
||
|
|
else:
|
||
|
|
#names = sorted(dict)
|
||
|
|
###
|
||
|
|
# Because of (temporary) limitations on the dict_keys type (not yet
|
||
|
|
# public or pickleable), have the subprocess to send a list of
|
||
|
|
# keys, not a dict_keys object. sorted() will take a dict_keys
|
||
|
|
# (no subprocess) or a list.
|
||
|
|
#
|
||
|
|
# There is also an obscure bug in sorted(dict) where the
|
||
|
|
# interpreter gets into a loop requesting non-existing dict[0],
|
||
|
|
# dict[1], dict[2], etc from the debugger_r.DictProxy.
|
||
|
|
###
|
||
|
|
keys_list = dict.keys()
|
||
|
|
names = sorted(keys_list)
|
||
|
|
###
|
||
|
|
row = 0
|
||
|
|
for name in names:
|
||
|
|
value = dict[name]
|
||
|
|
svalue = self.repr.repr(value) # repr(value)
|
||
|
|
# Strip extra quotes caused by calling repr on the (already)
|
||
|
|
# repr'd value sent across the RPC interface:
|
||
|
|
if rpc_client:
|
||
|
|
svalue = svalue[1:-1]
|
||
|
|
l = Label(subframe, text=name)
|
||
|
|
l.grid(row=row, column=0, sticky="nw")
|
||
|
|
l = Entry(subframe, width=0, borderwidth=0)
|
||
|
|
l.insert(0, svalue)
|
||
|
|
l.grid(row=row, column=1, sticky="nw")
|
||
|
|
row = row+1
|
||
|
|
self.dict = dict
|
||
|
|
# XXX Could we use a <Configure> callback for the following?
|
||
|
|
subframe.update_idletasks() # Alas!
|
||
|
|
width = subframe.winfo_reqwidth()
|
||
|
|
height = subframe.winfo_reqheight()
|
||
|
|
canvas = self.canvas
|
||
|
|
self.canvas["scrollregion"] = (0, 0, width, height)
|
||
|
|
if height > 300:
|
||
|
|
canvas["height"] = 300
|
||
|
|
frame.pack(expand=1)
|
||
|
|
else:
|
||
|
|
canvas["height"] = height
|
||
|
|
frame.pack(expand=0)
|
||
|
|
|
||
|
|
def close(self):
|
||
|
|
self.frame.destroy()
|
||
|
|
|
||
|
|
if __name__ == "__main__":
|
||
|
|
from unittest import main
|
||
|
|
main('idlelib.idle_test.test_debugger', verbosity=2, exit=False)
|
||
|
|
|
||
|
|
# TODO: htest?
|