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baefbb21d9
Add comments where .keys() is needed. Leave debugger usages along because situation is unclear as indicated in expanded comment. Most testing is manual.
132 lines
3.9 KiB
Python
132 lines
3.9 KiB
Python
import linecache
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import os
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import tkinter as tk
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from idlelib.debugobj import ObjectTreeItem, make_objecttreeitem
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from idlelib.tree import TreeNode, TreeItem, ScrolledCanvas
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def StackBrowser(root, exc, flist=None, top=None):
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global sc, item, node # For testing.
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if top is None:
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top = tk.Toplevel(root)
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sc = ScrolledCanvas(top, bg="white", highlightthickness=0)
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sc.frame.pack(expand=1, fill="both")
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item = StackTreeItem(exc, flist)
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node = TreeNode(sc.canvas, None, item)
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node.expand()
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class StackTreeItem(TreeItem):
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def __init__(self, exc, flist=None):
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self.flist = flist
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self.stack = self.get_stack(None if exc is None else exc.__traceback__)
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self.text = f"{type(exc).__name__}: {str(exc)}"
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def get_stack(self, tb):
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stack = []
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if tb and tb.tb_frame is None:
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tb = tb.tb_next
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while tb is not None:
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stack.append((tb.tb_frame, tb.tb_lineno))
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tb = tb.tb_next
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return stack
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def GetText(self): # Titlecase names are overrides.
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return self.text
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def GetSubList(self):
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sublist = []
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for info in self.stack:
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item = FrameTreeItem(info, self.flist)
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sublist.append(item)
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return sublist
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class FrameTreeItem(TreeItem):
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def __init__(self, info, flist):
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self.info = info
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self.flist = flist
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def GetText(self):
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frame, lineno = self.info
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try:
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modname = frame.f_globals["__name__"]
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except:
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modname = "?"
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code = frame.f_code
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filename = code.co_filename
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funcname = code.co_name
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sourceline = linecache.getline(filename, lineno)
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sourceline = sourceline.strip()
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if funcname in ("?", "", None):
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item = "%s, line %d: %s" % (modname, lineno, sourceline)
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else:
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item = "%s.%s(...), line %d: %s" % (modname, funcname,
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lineno, sourceline)
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return item
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def GetSubList(self):
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frame, lineno = self.info
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sublist = []
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if frame.f_globals is not frame.f_locals:
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item = VariablesTreeItem("<locals>", frame.f_locals, self.flist)
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sublist.append(item)
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item = VariablesTreeItem("<globals>", frame.f_globals, self.flist)
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sublist.append(item)
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return sublist
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def OnDoubleClick(self):
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if self.flist:
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frame, lineno = self.info
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filename = frame.f_code.co_filename
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if os.path.isfile(filename):
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self.flist.gotofileline(filename, lineno)
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class VariablesTreeItem(ObjectTreeItem):
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def GetText(self):
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return self.labeltext
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def GetLabelText(self):
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return None
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def IsExpandable(self):
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return len(self.object) > 0
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def GetSubList(self):
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sublist = []
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for key in self.object.keys(): # self.object not necessarily dict.
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try:
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value = self.object[key]
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except KeyError:
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continue
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def setfunction(value, key=key, object=self.object):
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object[key] = value
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item = make_objecttreeitem(key + " =", value, setfunction)
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sublist.append(item)
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return sublist
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def _stack_viewer(parent): # htest #
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from idlelib.pyshell import PyShellFileList
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top = tk.Toplevel(parent)
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top.title("Test StackViewer")
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x, y = map(int, parent.geometry().split('+')[1:])
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top.geometry("+%d+%d" % (x + 50, y + 175))
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flist = PyShellFileList(top)
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try: # to obtain a traceback object
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intentional_name_error
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except NameError as e:
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StackBrowser(top, e, flist=flist, top=top)
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if __name__ == '__main__':
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from unittest import main
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main('idlelib.idle_test.test_stackviewer', verbosity=2, exit=False)
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from idlelib.idle_test.htest import run
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run(_stack_viewer)
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