Class StackTreeItem

Lib/idlelib/stackviewer.py:22–46

class StackTreeItem(TreeItem):

    def __init__(self, exc, flist=None):
        self.flist = flist
        self.stack = self.get_stack(None if exc is None else exc.__traceback__)
        self.text = f"{type(exc).__name__}: {str(exc)}"

    def get_stack(self, tb):
        stack = []
        if tb and tb.tb_frame is None:
            tb = tb.tb_next
        while tb is not None:
            stack.append((tb.tb_frame, tb.tb_lineno))
            tb = tb.tb_next
        return stack

    def GetText(self):  # Titlecase names are overrides.
        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):