mirror of
https://github.com/python/cpython.git
synced 2024-11-28 16:45:42 +01:00
268 lines
8.4 KiB
Python
268 lines
8.4 KiB
Python
import string
|
|
import sys
|
|
import os
|
|
from Tkinter import *
|
|
import linecache
|
|
from repr import Repr
|
|
from WindowList import ListedToplevel
|
|
|
|
from ScrolledList import ScrolledList
|
|
|
|
|
|
class StackBrowser:
|
|
|
|
def __init__(self, root, flist, stack=None):
|
|
self.top = top = ListedToplevel(root)
|
|
top.protocol("WM_DELETE_WINDOW", self.close)
|
|
top.bind("<Key-Escape>", self.close)
|
|
top.wm_title("Stack viewer")
|
|
top.wm_iconname("Stack")
|
|
# Create help label
|
|
self.helplabel = Label(top,
|
|
text="Click once to view variables; twice for source",
|
|
borderwidth=2, relief="groove")
|
|
self.helplabel.pack(fill="x")
|
|
#
|
|
self.sv = StackViewer(top, flist, self)
|
|
if stack is None:
|
|
stack = get_stack()
|
|
self.sv.load_stack(stack)
|
|
|
|
def close(self, event=None):
|
|
self.top.destroy()
|
|
|
|
localsframe = None
|
|
localsviewer = None
|
|
localsdict = None
|
|
globalsframe = None
|
|
globalsviewer = None
|
|
globalsdict = None
|
|
curframe = None
|
|
|
|
def show_frame(self, (frame, lineno)):
|
|
if frame is self.curframe:
|
|
return
|
|
self.curframe = None
|
|
if frame.f_globals is not self.globalsdict:
|
|
self.show_globals(frame)
|
|
self.show_locals(frame)
|
|
self.curframe = frame
|
|
|
|
def show_globals(self, frame):
|
|
title = "Global Variables"
|
|
if frame.f_globals.has_key("__name__"):
|
|
try:
|
|
name = str(frame.f_globals["__name__"]) + ""
|
|
except:
|
|
name = ""
|
|
if name:
|
|
title = title + " in module " + name
|
|
self.globalsdict = None
|
|
if self.globalsviewer:
|
|
self.globalsviewer.close()
|
|
self.globalsviewer = None
|
|
if not self.globalsframe:
|
|
self.globalsframe = Frame(self.top)
|
|
self.globalsdict = frame.f_globals
|
|
self.globalsviewer = NamespaceViewer(
|
|
self.globalsframe,
|
|
title,
|
|
self.globalsdict)
|
|
self.globalsframe.pack(fill="both", side="bottom")
|
|
|
|
def show_locals(self, frame):
|
|
self.localsdict = None
|
|
if self.localsviewer:
|
|
self.localsviewer.close()
|
|
self.localsviewer = None
|
|
if frame.f_locals is not frame.f_globals:
|
|
title = "Local Variables"
|
|
code = frame.f_code
|
|
funcname = code.co_name
|
|
if funcname not in ("?", "", None):
|
|
title = title + " in " + funcname
|
|
if not self.localsframe:
|
|
self.localsframe = Frame(self.top)
|
|
self.localsdict = frame.f_locals
|
|
self.localsviewer = NamespaceViewer(
|
|
self.localsframe,
|
|
title,
|
|
self.localsdict)
|
|
self.localsframe.pack(fill="both", side="top")
|
|
else:
|
|
if self.localsframe:
|
|
self.localsframe.forget()
|
|
|
|
|
|
class StackViewer(ScrolledList):
|
|
|
|
def __init__(self, master, flist, browser):
|
|
ScrolledList.__init__(self, master)
|
|
self.flist = flist
|
|
self.browser = browser
|
|
|
|
def load_stack(self, stack, index=None):
|
|
self.stack = stack
|
|
self.clear()
|
|
## if len(stack) > 10:
|
|
## l["height"] = 10
|
|
## self.topframe.pack(expand=1)
|
|
## else:
|
|
## l["height"] = len(stack)
|
|
## self.topframe.pack(expand=0)
|
|
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
|
|
sourceline = linecache.getline(filename, lineno)
|
|
sourceline = string.strip(sourceline)
|
|
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 fill_menu(self):
|
|
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):
|
|
self.browser.show_frame(self.stack[index])
|
|
|
|
def on_double(self, index):
|
|
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")
|
|
self.browser.show_frame(self.stack[index])
|
|
|
|
def show_source(self, index):
|
|
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)
|
|
|
|
|
|
def get_stack(t=None, f=None):
|
|
if t is None:
|
|
t = sys.last_traceback
|
|
stack = []
|
|
if t and t.tb_frame is f:
|
|
t = t.tb_next
|
|
while f is not None:
|
|
stack.append((f, f.f_lineno))
|
|
if f is self.botframe:
|
|
break
|
|
f = f.f_back
|
|
stack.reverse()
|
|
while t is not None:
|
|
stack.append((t.tb_frame, t.tb_lineno))
|
|
t = t.tb_next
|
|
return stack
|
|
|
|
|
|
def getexception(type=None, value=None):
|
|
if type is None:
|
|
type = sys.last_type
|
|
value = sys.last_value
|
|
if hasattr(type, "__name__"):
|
|
type = type.__name__
|
|
s = str(type)
|
|
if value is not None:
|
|
s = s + ": " + str(value)
|
|
return s
|
|
|
|
|
|
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
|
|
self.repr = 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):
|
|
if dict is self.dict and not force:
|
|
return
|
|
subframe = self.subframe
|
|
frame = self.frame
|
|
for c in subframe.children.values():
|
|
c.destroy()
|
|
self.dict = None
|
|
if not dict:
|
|
l = Label(subframe, text="None")
|
|
l.grid(row=0, column=0)
|
|
else:
|
|
names = dict.keys()
|
|
names.sort()
|
|
row = 0
|
|
for name in names:
|
|
value = dict[name]
|
|
svalue = self.repr.repr(value) # repr(value)
|
|
l = Label(subframe, text=name)
|
|
l.grid(row=row, column=0, sticky="nw")
|
|
## l = Label(subframe, text=svalue, justify="l", wraplength=300)
|
|
l = Entry(subframe, width=0, borderwidth=0)
|
|
l.insert(0, svalue)
|
|
## l["state"] = "disabled"
|
|
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()
|