mirror of https://github.com/python/cpython
144 lines
4.0 KiB
Python
144 lines
4.0 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 reprlib import Repr
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from idlelib.tree import TreeItem, TreeNode, ScrolledCanvas
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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 ClassTreeItem(ObjectTreeItem):
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def IsExpandable(self):
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return True
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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 False
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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(f"{key!r}:", 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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# TODO return sorted(self.object)
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keys = list(self.object)
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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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dispatch = {
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int: AtomicObjectTreeItem,
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float: AtomicObjectTreeItem,
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str: AtomicObjectTreeItem,
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tuple: SequenceTreeItem,
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list: SequenceTreeItem,
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dict: DictTreeItem,
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type: 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 t in dispatch:
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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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def _debug_object_browser(parent): # htest #
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import sys
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from tkinter import Toplevel
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top = Toplevel(parent)
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top.title("Test debug object browser")
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x, y = map(int, parent.geometry().split('+')[1:])
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top.geometry("+%d+%d" % (x + 100, y + 175))
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top.configure(bd=0, bg="yellow")
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top.focus_set()
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sc = ScrolledCanvas(top, 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.update()
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if __name__ == '__main__':
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from unittest import main
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main('idlelib.idle_test.test_debugobj', verbosity=2, exit=False)
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from idlelib.idle_test.htest import run
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run(_debug_object_browser)
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