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	Modify get_stack() and get_exception to be StackTreeItem methods. SF Bug 610756. Neal Norwitz.
		
			
				
	
	
		
			137 lines
		
	
	
	
		
			3.8 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			137 lines
		
	
	
	
		
			3.8 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
import os
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import sys
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import linecache
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from TreeWidget import TreeNode, TreeItem, ScrolledCanvas
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from ObjectBrowser import ObjectTreeItem, make_objecttreeitem
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def StackBrowser(root, flist=None, tb=None, top=None):
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    if top is None:
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        from Tkinter import Toplevel
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        top = 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(flist, tb)
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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, flist=None, tb=None):
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        self.flist = flist
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        self.stack = self.get_stack(tb)
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        self.text = self.get_exception()
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    def get_stack(self, tb):
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        if tb is None:
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            tb = sys.last_traceback
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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 get_exception(self):
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        type = sys.last_type
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        value = sys.last_value
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        if hasattr(type, "__name__"):
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            type = type.__name__
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        s = str(type)
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        if value is not None:
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            s = s + ": " + str(value)
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        return s
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    def GetText(self):
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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 keys(self):
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        return self.object.keys()
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    def GetSubList(self):
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        sublist = []
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        for key in self.keys():
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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 _test():
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    try:
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        import testcode
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        reload(testcode)
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    except:
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        sys.last_type, sys.last_value, sys.last_traceback = sys.exc_info()
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    from Tkinter import Tk
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    root = Tk()
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    StackBrowser(None, top=root)
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    root.mainloop()
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if __name__ == "__main__":
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    _test()
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