/usr/lib/python2.7/idlelib/ObjectBrowser.py is in idle-python2.7 2.7.3-0ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 | # 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 repr 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 InstanceTreeItem(ObjectTreeItem):
def IsExpandable(self):
return True
def GetSubList(self):
sublist = ObjectTreeItem.GetSubList(self)
sublist.insert(0,
make_objecttreeitem("__class__ =", self.object.__class__))
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 = self.object.keys()
try:
keys.sort()
except:
pass
return keys
from types import *
dispatch = {
IntType: AtomicObjectTreeItem,
LongType: AtomicObjectTreeItem,
FloatType: AtomicObjectTreeItem,
StringType: AtomicObjectTreeItem,
TupleType: SequenceTreeItem,
ListType: SequenceTreeItem,
DictType: DictTreeItem,
InstanceType: InstanceTreeItem,
ClassType: 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()
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