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# 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 reprlib import Repr
from idlelib.tree import TreeItem, TreeNode, ScrolledCanvas
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 False
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(f"{key!r}:", value, setfunction)
sublist.append(item)
return sublist
class DictTreeItem(SequenceTreeItem):
def keys(self):
# TODO return sorted(self.object)
keys = list(self.object)
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)
def _object_browser(parent): # htest #
import sys
from tkinter import Toplevel
top = Toplevel(parent)
top.title("Test debug object browser")
x, y = map(int, parent.geometry().split('+')[1:])
top.geometry("+%d+%d" % (x + 100, y + 175))
top.configure(bd=0, bg="yellow")
top.focus_set()
sc = ScrolledCanvas(top, 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()
if __name__ == '__main__':
from unittest import main
main('idlelib.idle_test.test_debugobj', verbosity=2, exit=False)
from idlelib.idle_test.htest import run
run(_object_browser)
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