JezK
Edit File: ObjectBrowser.py
# XXX TO DO: # - popup menu # - support partial or total redisplay # - more doc strings # - tooltips # object browser # XXX TO DO: # - for classes/modules, add "open source" to object browser from idlelib.TreeWidget import TreeItem, TreeNode, ScrolledCanvas from reprlib import Repr myrepr = Repr() myrepr.maxstring = 100 myrepr.maxother = 100 class ObjectTreeItem(TreeItem): def __init__(self, labeltext, object, setfunction=None): self.labeltext = labeltext self.object = object self.setfunction = setfunction def GetLabelText(self): return self.labeltext def GetText(self): return myrepr.repr(self.object) def GetIconName(self): if not self.IsExpandable(): return "python" def IsEditable(self): return self.setfunction is not None def SetText(self, text): try: value = eval(text) self.setfunction(value) except: pass else: self.object = value def IsExpandable(self): return not not dir(self.object) def GetSubList(self): keys = dir(self.object) sublist = [] for key in keys: try: value = getattr(self.object, key) except AttributeError: continue item = make_objecttreeitem( str(key) + " =", value, lambda value, key=key, object=self.object: setattr(object, key, value)) sublist.append(item) return sublist class ClassTreeItem(ObjectTreeItem): def IsExpandable(self): return True def GetSubList(self): sublist = ObjectTreeItem.GetSubList(self) if len(self.object.__bases__) == 1: item = make_objecttreeitem("__bases__[0] =", self.object.__bases__[0]) else: item = make_objecttreeitem("__bases__ =", self.object.__bases__) sublist.insert(0, item) return sublist class AtomicObjectTreeItem(ObjectTreeItem): def IsExpandable(self): return 0 class SequenceTreeItem(ObjectTreeItem): def IsExpandable(self): return len(self.object) > 0 def keys(self): return range(len(self.object)) 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("%r:" % (key,), value, setfunction) sublist.append(item) return sublist class DictTreeItem(SequenceTreeItem): def keys(self): keys = list(self.object.keys()) try: keys.sort() except: pass return keys dispatch = { int: AtomicObjectTreeItem, float: AtomicObjectTreeItem, str: AtomicObjectTreeItem, tuple: SequenceTreeItem, list: SequenceTreeItem, dict: DictTreeItem, type: ClassTreeItem, } def make_objecttreeitem(labeltext, object, setfunction=None): t = type(object) if t in dispatch: c = dispatch[t] else: c = ObjectTreeItem return c(labeltext, object, setfunction) # Test script def _test(): import sys from tkinter import Tk root = Tk() root.configure(bd=0, bg="yellow") root.focus_set() sc = ScrolledCanvas(root, bg="white", highlightthickness=0, takefocus=1) sc.frame.pack(expand=1, fill="both") item = make_objecttreeitem("sys", sys) node = TreeNode(sc.canvas, None, item) node.update() root.mainloop() if __name__ == '__main__': _test()