cpython/Lib/idlelib/ObjectBrowser.py
Guido van Rossum 36e0a92442 Merged revisions 56443-56466 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/p3yk

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  r56454 | kurt.kaiser | 2007-07-18 22:26:14 -0700 (Wed, 18 Jul 2007) | 2 lines

  Make relative imports explicit for py3k
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  r56455 | kurt.kaiser | 2007-07-18 23:12:15 -0700 (Wed, 18 Jul 2007) | 2 lines

  Was modifying dict during iteration.
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  r56457 | guido.van.rossum | 2007-07-19 07:33:19 -0700 (Thu, 19 Jul 2007) | 2 lines

  Fix failing test.
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  r56466 | guido.van.rossum | 2007-07-19 20:58:16 -0700 (Thu, 19 Jul 2007) | 35 lines

  Merged revisions 56413-56465 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

  ........
    r56439 | georg.brandl | 2007-07-17 23:37:55 -0700 (Tue, 17 Jul 2007) | 2 lines

    Use "Unix" as platform name, not "UNIX".
  ........
    r56441 | guido.van.rossum | 2007-07-18 10:19:14 -0700 (Wed, 18 Jul 2007) | 3 lines

    SF patch# 1755885 by Kurt Kaiser: show location of Unicode escape errors.
    (Slightly tweaked for style and refcounts.)
  ........
    r56444 | kurt.kaiser | 2007-07-18 12:58:42 -0700 (Wed, 18 Jul 2007) | 2 lines

    Fix failing unicode test caused by change to ast.c at r56441
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    r56451 | georg.brandl | 2007-07-18 15:36:53 -0700 (Wed, 18 Jul 2007) | 2 lines

    Add description for wave.setcomptype() values
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    r56456 | walter.doerwald | 2007-07-19 06:04:38 -0700 (Thu, 19 Jul 2007) | 3 lines

    Document that codecs.lookup() returns a CodecInfo object.
    (fixes SF bug #1754453).
  ........
    r56463 | facundo.batista | 2007-07-19 16:57:38 -0700 (Thu, 19 Jul 2007) | 6 lines


    Added a select.select call in the test server loop to make sure the
    socket is ready to be read from before attempting a read (this
    prevents an error 10035 on some Windows platforms). [GSoC - Alan
    McIntyre]
  ........
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2007-07-20 04:05:57 +00:00

138 lines
3.6 KiB
Python

# 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 .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 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
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()