Initial revision
diff --git a/Lib/idlelib/StackViewer.py b/Lib/idlelib/StackViewer.py
new file mode 100644
index 0000000..5b3c87a
--- /dev/null
+++ b/Lib/idlelib/StackViewer.py
@@ -0,0 +1,135 @@
+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:
+ 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 get_exception(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
+
+if __name__ == "__main__":
+ root = Tk()
+ root.withdraw()
+ StackBrowser(root)