New submission from Roger Serwy:
The calltip fails if __getattr__ raises an exception. Take as an example:
Python 3.4.0a0 (default:0238cc842805+, Dec 6 2012, 19:17:04)
[GCC 4.7.2] on linux
Type "copyright", "credits" or "license()" for more information.
>>> class Test:
def __getattr__(self, name):
raise Exception()
>>> a = Test()
>>> a(
This traceback is sent to stderr:
Exception in Tkinter callback
Traceback (most recent call last):
File "/home/serwy/Code/python/cpython/Lib/tkinter/__init__.py", line 1442, in
__call__
return self.func(*args)
File "/home/serwy/Code/python/cpython/Lib/idlelib/MultiCall.py", line 166, in
handler
r = l[i](event)
File "/home/serwy/Code/python/cpython/Lib/idlelib/CallTips.py", line 56, in
try_open_calltip_event
self.open_calltip(False)
File "/home/serwy/Code/python/cpython/Lib/idlelib/CallTips.py", line 75, in
open_calltip
argspec = self.fetch_tip(expression)
File "/home/serwy/Code/python/cpython/Lib/idlelib/CallTips.py", line 101, in
fetch_tip
(expression,), {})
File "/home/serwy/Code/python/cpython/Lib/idlelib/rpc.py", line 216, in
remotecall
return self.asyncreturn(seq)
File "/home/serwy/Code/python/cpython/Lib/idlelib/rpc.py", line 247, in
asyncreturn
return self.decoderesponse(response)
File "/home/serwy/Code/python/cpython/Lib/idlelib/rpc.py", line 267, in
decoderesponse
raise what
Exception
The attached patch fixes the issue.
----------
components: IDLE
files: calltips_getattr_error.patch
keywords: easy, needs review, patch
messages: 177064
nosy: serwy, terry.reedy
priority: normal
severity: normal
stage: patch review
status: open
title: IDLE: Calltip fails if __getattr__ raises exception
type: behavior
versions: Python 3.2, Python 3.3, Python 3.4
Added file: http://bugs.python.org/file28231/calltips_getattr_error.patch
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Python tracker <[email protected]>
<http://bugs.python.org/issue16630>
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