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author | Terry Jan Reedy <tjreedy@udel.edu> | 2016-05-22 23:10:31 (GMT) |
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committer | Terry Jan Reedy <tjreedy@udel.edu> | 2016-05-22 23:10:31 (GMT) |
commit | 0d9220e162f1e5f8caa3d7ebaa54665776d361a1 (patch) | |
tree | a4fa9f7cafdfc93fde86b8ffd6088d739bb93e01 /Lib/idlelib/Debugger.py | |
parent | dc4f7c09cc934524a763498250e30123a0d9d2c5 (diff) | |
download | cpython-0d9220e162f1e5f8caa3d7ebaa54665776d361a1.zip cpython-0d9220e162f1e5f8caa3d7ebaa54665776d361a1.tar.gz cpython-0d9220e162f1e5f8caa3d7ebaa54665776d361a1.tar.bz2 |
Issue #24225: Rename many idlelib/*.py and idlelib/idle_test/test_*.py files.
Diffstat (limited to 'Lib/idlelib/Debugger.py')
-rw-r--r-- | Lib/idlelib/Debugger.py | 539 |
1 files changed, 0 insertions, 539 deletions
diff --git a/Lib/idlelib/Debugger.py b/Lib/idlelib/Debugger.py deleted file mode 100644 index d5e217d..0000000 --- a/Lib/idlelib/Debugger.py +++ /dev/null @@ -1,539 +0,0 @@ -import os -import bdb -from tkinter import * -from idlelib.WindowList import ListedToplevel -from idlelib.ScrolledList import ScrolledList -from idlelib import macosxSupport - - -class Idb(bdb.Bdb): - - def __init__(self, gui): - self.gui = gui - bdb.Bdb.__init__(self) - - def user_line(self, frame): - if self.in_rpc_code(frame): - self.set_step() - return - message = self.__frame2message(frame) - try: - self.gui.interaction(message, frame) - except TclError: # When closing debugger window with [x] in 3.x - pass - - def user_exception(self, frame, info): - if self.in_rpc_code(frame): - self.set_step() - return - message = self.__frame2message(frame) - self.gui.interaction(message, frame, info) - - def in_rpc_code(self, frame): - if frame.f_code.co_filename.count('rpc.py'): - return True - else: - prev_frame = frame.f_back - if prev_frame.f_code.co_filename.count('Debugger.py'): - # (that test will catch both Debugger.py and RemoteDebugger.py) - return False - return self.in_rpc_code(prev_frame) - - def __frame2message(self, frame): - code = frame.f_code - filename = code.co_filename - lineno = frame.f_lineno - basename = os.path.basename(filename) - message = "%s:%s" % (basename, lineno) - if code.co_name != "?": - message = "%s: %s()" % (message, code.co_name) - return message - - -class Debugger: - - vstack = vsource = vlocals = vglobals = None - - def __init__(self, pyshell, idb=None): - if idb is None: - idb = Idb(self) - self.pyshell = pyshell - self.idb = idb - self.frame = None - self.make_gui() - self.interacting = 0 - self.nesting_level = 0 - - def run(self, *args): - # Deal with the scenario where we've already got a program running - # in the debugger and we want to start another. If that is the case, - # our second 'run' was invoked from an event dispatched not from - # the main event loop, but from the nested event loop in 'interaction' - # below. So our stack looks something like this: - # outer main event loop - # run() - # <running program with traces> - # callback to debugger's interaction() - # nested event loop - # run() for second command - # - # This kind of nesting of event loops causes all kinds of problems - # (see e.g. issue #24455) especially when dealing with running as a - # subprocess, where there's all kinds of extra stuff happening in - # there - insert a traceback.print_stack() to check it out. - # - # By this point, we've already called restart_subprocess() in - # ScriptBinding. However, we also need to unwind the stack back to - # that outer event loop. To accomplish this, we: - # - return immediately from the nested run() - # - abort_loop ensures the nested event loop will terminate - # - the debugger's interaction routine completes normally - # - the restart_subprocess() will have taken care of stopping - # the running program, which will also let the outer run complete - # - # That leaves us back at the outer main event loop, at which point our - # after event can fire, and we'll come back to this routine with a - # clean stack. - if self.nesting_level > 0: - self.abort_loop() - self.root.after(100, lambda: self.run(*args)) - return - try: - self.interacting = 1 - return self.idb.run(*args) - finally: - self.interacting = 0 - - def close(self, event=None): - try: - self.quit() - except Exception: - pass - if self.interacting: - self.top.bell() - return - if self.stackviewer: - self.stackviewer.close(); self.stackviewer = None - # Clean up pyshell if user clicked debugger control close widget. - # (Causes a harmless extra cycle through close_debugger() if user - # toggled debugger from pyshell Debug menu) - self.pyshell.close_debugger() - # Now close the debugger control window.... - self.top.destroy() - - def make_gui(self): - pyshell = self.pyshell - self.flist = pyshell.flist - self.root = root = pyshell.root - self.top = top = ListedToplevel(root) - self.top.wm_title("Debug Control") - self.top.wm_iconname("Debug") - top.wm_protocol("WM_DELETE_WINDOW", self.close) - self.top.bind("<Escape>", self.close) - # - self.bframe = bframe = Frame(top) - self.bframe.pack(anchor="w") - self.buttons = bl = [] - # - self.bcont = b = Button(bframe, text="Go", command=self.cont) - bl.append(b) - self.bstep = b = Button(bframe, text="Step", command=self.step) - bl.append(b) - self.bnext = b = Button(bframe, text="Over", command=self.next) - bl.append(b) - self.bret = b = Button(bframe, text="Out", command=self.ret) - bl.append(b) - self.bret = b = Button(bframe, text="Quit", command=self.quit) - bl.append(b) - # - for b in bl: - b.configure(state="disabled") - b.pack(side="left") - # - self.cframe = cframe = Frame(bframe) - self.cframe.pack(side="left") - # - if not self.vstack: - self.__class__.vstack = BooleanVar(top) - self.vstack.set(1) - self.bstack = Checkbutton(cframe, - text="Stack", command=self.show_stack, variable=self.vstack) - self.bstack.grid(row=0, column=0) - if not self.vsource: - self.__class__.vsource = BooleanVar(top) - self.bsource = Checkbutton(cframe, - text="Source", command=self.show_source, variable=self.vsource) - self.bsource.grid(row=0, column=1) - if not self.vlocals: - self.__class__.vlocals = BooleanVar(top) - self.vlocals.set(1) - self.blocals = Checkbutton(cframe, - text="Locals", command=self.show_locals, variable=self.vlocals) - self.blocals.grid(row=1, column=0) - if not self.vglobals: - self.__class__.vglobals = BooleanVar(top) - self.bglobals = Checkbutton(cframe, - text="Globals", command=self.show_globals, variable=self.vglobals) - self.bglobals.grid(row=1, column=1) - # - self.status = Label(top, anchor="w") - self.status.pack(anchor="w") - self.error = Label(top, anchor="w") - self.error.pack(anchor="w", fill="x") - self.errorbg = self.error.cget("background") - # - self.fstack = Frame(top, height=1) - self.fstack.pack(expand=1, fill="both") - self.flocals = Frame(top) - self.flocals.pack(expand=1, fill="both") - self.fglobals = Frame(top, height=1) - self.fglobals.pack(expand=1, fill="both") - # - if self.vstack.get(): - self.show_stack() - if self.vlocals.get(): - self.show_locals() - if self.vglobals.get(): - self.show_globals() - - def interaction(self, message, frame, info=None): - self.frame = frame - self.status.configure(text=message) - # - if info: - type, value, tb = info - try: - m1 = type.__name__ - except AttributeError: - m1 = "%s" % str(type) - if value is not None: - try: - m1 = "%s: %s" % (m1, str(value)) - except: - pass - bg = "yellow" - else: - m1 = "" - tb = None - bg = self.errorbg - self.error.configure(text=m1, background=bg) - # - sv = self.stackviewer - if sv: - stack, i = self.idb.get_stack(self.frame, tb) - sv.load_stack(stack, i) - # - self.show_variables(1) - # - if self.vsource.get(): - self.sync_source_line() - # - for b in self.buttons: - b.configure(state="normal") - # - self.top.wakeup() - # Nested main loop: Tkinter's main loop is not reentrant, so use - # Tcl's vwait facility, which reenters the event loop until an - # event handler sets the variable we're waiting on - self.nesting_level += 1 - self.root.tk.call('vwait', '::idledebugwait') - self.nesting_level -= 1 - # - for b in self.buttons: - b.configure(state="disabled") - self.status.configure(text="") - self.error.configure(text="", background=self.errorbg) - self.frame = None - - def sync_source_line(self): - frame = self.frame - if not frame: - return - filename, lineno = self.__frame2fileline(frame) - if filename[:1] + filename[-1:] != "<>" and os.path.exists(filename): - self.flist.gotofileline(filename, lineno) - - def __frame2fileline(self, frame): - code = frame.f_code - filename = code.co_filename - lineno = frame.f_lineno - return filename, lineno - - def cont(self): - self.idb.set_continue() - self.abort_loop() - - def step(self): - self.idb.set_step() - self.abort_loop() - - def next(self): - self.idb.set_next(self.frame) - self.abort_loop() - - def ret(self): - self.idb.set_return(self.frame) - self.abort_loop() - - def quit(self): - self.idb.set_quit() - self.abort_loop() - - def abort_loop(self): - self.root.tk.call('set', '::idledebugwait', '1') - - stackviewer = None - - def show_stack(self): - if not self.stackviewer and self.vstack.get(): - self.stackviewer = sv = StackViewer(self.fstack, self.flist, self) - if self.frame: - stack, i = self.idb.get_stack(self.frame, None) - sv.load_stack(stack, i) - else: - sv = self.stackviewer - if sv and not self.vstack.get(): - self.stackviewer = None - sv.close() - self.fstack['height'] = 1 - - def show_source(self): - if self.vsource.get(): - self.sync_source_line() - - def show_frame(self, stackitem): - self.frame = stackitem[0] # lineno is stackitem[1] - self.show_variables() - - localsviewer = None - globalsviewer = None - - def show_locals(self): - lv = self.localsviewer - if self.vlocals.get(): - if not lv: - self.localsviewer = NamespaceViewer(self.flocals, "Locals") - else: - if lv: - self.localsviewer = None - lv.close() - self.flocals['height'] = 1 - self.show_variables() - - def show_globals(self): - gv = self.globalsviewer - if self.vglobals.get(): - if not gv: - self.globalsviewer = NamespaceViewer(self.fglobals, "Globals") - else: - if gv: - self.globalsviewer = None - gv.close() - self.fglobals['height'] = 1 - self.show_variables() - - def show_variables(self, force=0): - lv = self.localsviewer - gv = self.globalsviewer - frame = self.frame - if not frame: - ldict = gdict = None - else: - ldict = frame.f_locals - gdict = frame.f_globals - if lv and gv and ldict is gdict: - ldict = None - if lv: - lv.load_dict(ldict, force, self.pyshell.interp.rpcclt) - if gv: - gv.load_dict(gdict, force, self.pyshell.interp.rpcclt) - - def set_breakpoint_here(self, filename, lineno): - self.idb.set_break(filename, lineno) - - def clear_breakpoint_here(self, filename, lineno): - self.idb.clear_break(filename, lineno) - - def clear_file_breaks(self, filename): - self.idb.clear_all_file_breaks(filename) - - def load_breakpoints(self): - "Load PyShellEditorWindow breakpoints into subprocess debugger" - for editwin in self.pyshell.flist.inversedict: - filename = editwin.io.filename - try: - for lineno in editwin.breakpoints: - self.set_breakpoint_here(filename, lineno) - except AttributeError: - continue - -class StackViewer(ScrolledList): - - def __init__(self, master, flist, gui): - if macosxSupport.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 RemoteDebugger.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() |