Nick Coghlan added the comment:
The sentinel form of next() is nice when there's a natural sentinel value, but
needing to *create* a sentinel is generally a sign that the out-of-band
exception is a better fit.
The function could likely do with some refactoring (e.g. breaking out some
helper
Yury Selivanov added the comment:
This isn't a bug, as raise exc from None only hides *display* of the
context, it doesn't lose the record of the context entirely.
Agree. My patch, though, is still valid. I think removing try..except blocks
actually simplifies the code, and removes the
Nick Coghlan added the comment:
This isn't a bug, as raise exc from None only hides *display* of the context,
it doesn't lose the record of the context entirely.
This means Walter's display code is incorrect, as it isn't checking for
__suppress_context__:
import inspect
try:
...
New submission from Walter Dörwald:
When an exception is raised by inspect.Signature.bind() in some cases the
exception has a StopIteration as its __context__:
import inspect
try:
inspect.signature(lambda x:None).bind()
except Exception as exc:
print(repr(exc))
Changes by Yury Selivanov yseliva...@gmail.com:
--
assignee: - yselivanov
components: +Library (Lib)
nosy: +yselivanov
versions: +Python 3.5, Python 3.6
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Python tracker rep...@bugs.python.org
http://bugs.python.org/issue24474
Yury Selivanov added the comment:
Hi Walter,
Thanks for reporting this. A patch is attached.
--
keywords: +needs review, patch
nosy: +larry, ncoghlan
stage: - patch review
Added file: http://bugs.python.org/file39743/sig.patch
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Python tracker
