[Python-checkins] CVS: python/dist/src/Tools/idle StackViewer.py,1.13,1.14
Guido van Rossum
guido@cnri.reston.va.us
Tue, 15 Feb 2000 13:03:43 -0500 (EST)
Update of /projects/cvsroot/python/dist/src/Tools/idle
In directory eric:/projects/python/develop/guido/src/Tools/idle
Modified Files:
StackViewer.py
Log Message:
New stack viewer, uses a tree widget.
(XXX: the debugger doesn't yet use this.)
Index: StackViewer.py
===================================================================
RCS file: /projects/cvsroot/python/dist/src/Tools/idle/StackViewer.py,v
retrieving revision 1.13
retrieving revision 1.14
diff -C2 -r1.13 -r1.14
*** StackViewer.py 1999/05/21 04:45:45 1.13
--- StackViewer.py 2000/02/15 18:03:40 1.14
***************
*** 1,176 ****
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, width=80)
self.flist = flist
- self.browser = browser
- self.stack = []
! 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 popup_event(self, event):
! if self.stack:
! return ScrolledList.popup_event(self, event)
!
! 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):
! if 0 <= index < len(self.stack):
! 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")
! if 0 <= index < len(self.stack):
! self.browser.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)
def get_stack(t=None, f=None):
if t is None:
--- 1,105 ----
import string
from Tkinter import *
import linecache
! from TreeWidget import TreeNode, TreeItem, ScrolledCanvas
! from ObjectBrowser import ObjectTreeItem, make_objecttreeitem
! from OldStackViewer import StackViewer, NamespaceViewer
!
! def StackBrowser(root, flist=None, stack=None):
! top = Toplevel(root)
! sc = ScrolledCanvas(top, bg="white", highlightthickness=0)
! sc.frame.pack(expand=1, fill="both")
! item = StackTreeItem(flist)
! node = TreeNode(sc.canvas, None, item)
! node.expand()
+ class StackTreeItem(TreeItem):
! def __init__(self, flist=None):
! self.flist = flist
! self.stack = get_stack()
! self.text = get_exception()
! def GetText(self):
! return self.text
+ def GetSubList(self):
+ sublist = []
+ for info in self.stack:
+ item = FrameTreeItem(info, self.flist)
+ sublist.append(item)
+ return sublist
! class FrameTreeItem(TreeItem):
! def __init__(self, info, flist):
! self.info = info
self.flist = flist
! def GetText(self):
! frame, lineno = self.info
! 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
! return item
!
! def GetSubList(self):
! frame, lineno = self.info
! sublist = []
! if frame.f_globals is not frame.f_locals:
! item = VariablesTreeItem("<locals>", frame.f_locals, self.flist)
! sublist.append(item)
! item = VariablesTreeItem("<globals>", frame.f_globals, self.flist)
! sublist.append(item)
! return sublist
!
! def OnDoubleClick(self):
! if self.flist:
! frame, lineno = self.info
! filename = frame.f_code.co_filename
edit = self.flist.open(filename)
! edit.gotoline(lineno)
!
! class VariablesTreeItem(ObjectTreeItem):
!
! def GetText(self):
! return self.labeltext
!
! def GetLabelText(self):
! return None
+ def IsExpandable(self):
+ return len(self.object) > 0
+ def keys(self):
+ return self.object.keys()
+
+ def GetSubList(self):
+ sublist = []
+ for key in self.keys():
+ try:
+ value = self.object[key]
+ except KeyError:
+ continue
+ def setfunction(value, key=key, object=self.object):
+ object[key] = value
+ item = make_objecttreeitem(key + " =", value, setfunction)
+ sublist.append(item)
+ return sublist
+
def get_stack(t=None, f=None):
if t is None:
***************
*** 190,195 ****
return stack
!
! def getexception(type=None, value=None):
if type is None:
type = sys.last_type
--- 119,123 ----
return stack
! def get_exception(type=None, value=None):
if type is None:
type = sys.last_type
***************
*** 201,276 ****
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()
--- 129,135 ----
s = s + ": " + str(value)
return s
! if __name__ == "__main__":
! root = Tk()
! root.withdraw()
! StackBrowser(root)