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			151 lines
		
	
	
	
		
			4.1 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			151 lines
		
	
	
	
		
			4.1 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
# XXX TO DO:
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# - popup menu
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# - support partial or total redisplay
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# - more doc strings
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# - tooltips
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# object browser
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# XXX TO DO:
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# - for classes/modules, add "open source" to object browser
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from TreeWidget import TreeItem, TreeNode, ScrolledCanvas
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from repr import Repr
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myrepr = Repr()
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myrepr.maxstring = 100
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myrepr.maxother = 100
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class ObjectTreeItem(TreeItem):
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    def __init__(self, labeltext, object, setfunction=None):
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        self.labeltext = labeltext
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        self.object = object
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        self.setfunction = setfunction
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    def GetLabelText(self):
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        return self.labeltext
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    def GetText(self):
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        return myrepr.repr(self.object)
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    def GetIconName(self):
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        if not self.IsExpandable():
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            return "python"
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    def IsEditable(self):
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        return self.setfunction is not None
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    def SetText(self, text):
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        try:
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            value = eval(text)
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            self.setfunction(value)
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        except:
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            pass
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        else:
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            self.object = value
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    def IsExpandable(self):
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        return not not dir(self.object)
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    def GetSubList(self):
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        keys = dir(self.object)
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        sublist = []
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        for key in keys:
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            try:
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                value = getattr(self.object, key)
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            except AttributeError:
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                continue
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            item = make_objecttreeitem(
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                str(key) + " =",
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                value,
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                lambda value, key=key, object=self.object:
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                    setattr(object, key, value))
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            sublist.append(item)
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        return sublist
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class InstanceTreeItem(ObjectTreeItem):
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    def IsExpandable(self):
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        return 1
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    def GetSubList(self):
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        sublist = ObjectTreeItem.GetSubList(self)
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        sublist.insert(0,
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            make_objecttreeitem("__class__ =", self.object.__class__))
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        return sublist
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class ClassTreeItem(ObjectTreeItem):
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    def IsExpandable(self):
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        return 1
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    def GetSubList(self):
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        sublist = ObjectTreeItem.GetSubList(self)
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        if len(self.object.__bases__) == 1:
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            item = make_objecttreeitem("__bases__[0] =",
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                self.object.__bases__[0])
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        else:
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            item = make_objecttreeitem("__bases__ =", self.object.__bases__)
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        sublist.insert(0, item)
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        return sublist
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class AtomicObjectTreeItem(ObjectTreeItem):
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    def IsExpandable(self):
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        return 0
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class SequenceTreeItem(ObjectTreeItem):
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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 range(len(self.object))
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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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class DictTreeItem(SequenceTreeItem):
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    def keys(self):
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        keys = self.object.keys()
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        try:
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            keys.sort()
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        except:
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            pass
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        return keys
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from types import *
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dispatch = {
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    IntType: AtomicObjectTreeItem,
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    LongType: AtomicObjectTreeItem,
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    FloatType: AtomicObjectTreeItem,
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    StringType: AtomicObjectTreeItem,
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    TupleType: SequenceTreeItem,
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    ListType: SequenceTreeItem,
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    DictType: DictTreeItem,
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    InstanceType: InstanceTreeItem,
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    ClassType: ClassTreeItem,
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}
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def make_objecttreeitem(labeltext, object, setfunction=None):
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    t = type(object)
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    if dispatch.has_key(t):
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        c = dispatch[t]
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    else:
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        c = ObjectTreeItem
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    return c(labeltext, object, setfunction)
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# Test script
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def test():
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    import sys
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    from Tkinter import Toplevel
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    import PyShell
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    root = Toplevel(PyShell.root)
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    root.configure(bd=0, bg="yellow")
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    root.focus_set()
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    sc = ScrolledCanvas(root, bg="white", highlightthickness=0, takefocus=1)
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    sc.frame.pack(expand=1, fill="both")
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    item = make_objecttreeitem("sys", sys)
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    node = TreeNode(sc.canvas, None, item)
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    node.expand()
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if __name__ == '__main__':
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    test()
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