cpython/Tools/idle/Debugger.py

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import os
import bdb
import traceback
from Tkinter import *
class Debugger(bdb.Bdb):
interacting = 0
def __init__(self, pyshell):
bdb.Bdb.__init__(self)
self.pyshell = pyshell
self.make_gui()
def close(self):
if self.interacting:
self.top.bell()
return
self.pyshell.close_debugger()
self.top.destroy()
def run(self, *args):
try:
self.interacting = 1
return apply(bdb.Bdb.run, (self,) + args)
finally:
self.interacting = 0
def user_line(self, frame):
self.interaction(frame)
def user_return(self, frame, rv):
# XXX show rv?
self.interaction(frame)
def user_exception(self, frame, info):
self.interaction(frame, info)
def make_gui(self):
pyshell = self.pyshell
self.flist = pyshell.flist
self.root = root = pyshell.root
self.top = top = Toplevel(root)
top.wm_protocol("WM_DELETE_WINDOW", 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 into", command=self.step)
bl.append(b)
self.bnext = b = Button(bframe, text="Step over", command=self.next)
bl.append(b)
self.bret = b = Button(bframe, text="Step out", command=self.ret)
bl.append(b)
for b in bl:
b.configure(state="disabled")
b.pack(side="left")
self.status = Label(top, anchor="w")
self.status.pack(anchor="w")
self.error = Label(top, anchor="w")
self.error.pack(anchor="w")
def interaction(self, frame, info=None):
self.top.pack_propagate(0)
self.frame = frame
code = frame.f_code
file = code.co_filename
base = os.path.basename(file)
lineno = frame.f_lineno
message = "%s:%s" % (base, lineno)
if code.co_name != "?":
message = "%s: %s()" % (message, code.co_name)
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
else:
m1 = ""
self.error.configure(text=m1)
if file[:1] + file[-1:] != "<>" and os.path.exists(file):
edit = self.flist.open(file)
if edit:
edit.gotoline(lineno)
for b in self.buttons:
b.configure(state="normal")
self.top.tkraise()
self.root.mainloop()
for b in self.buttons:
b.configure(state="disabled")
self.status.configure(text="")
self.error.configure(text="")
self.frame = None
def cont(self):
self.set_continue()
self.root.quit()
def step(self):
self.set_step()
self.root.quit()
def next(self):
self.set_next(self.frame)
self.root.quit()
def ret(self):
self.set_return(self.frame)
self.root.quit()