[issue21817] `concurrent.futures.ProcessPoolExecutor` swallows tracebacks

[Claudiu Popa]

Claudiu Popa added the comment:

Any type of feedback regarding this approach will be appreciated.

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[issue22243] Documentation on try statement incorrectly implies target of except clause can be any assignable expression

[Jayanth Koushik]

Jayanth Koushik added the comment:

The whole page on compound statements seems to be rife with inconsistencies.

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[issue22248] urllib.request.urlopen raises exception when 30X-redirect url contains non-ascii chars

[Tomas Groth]

New submission from Tomas Groth:

Running this simple test script produces the traceback show below.

import urllib.request
page = 
urllib.request.urlopen('http://legacy.biblegateway.com/versions/?vid=DN1933&action=getVersionInfo#books')

Traceback (most recent call last):
  File "", line 1, in 
  File "/usr/lib/python3.4/urllib/request.py", line 153, in urlopen
return opener.open(url, data, timeout)
  File "/usr/lib/python3.4/urllib/request.py", line 461, in open
response = meth(req, response)
  File "/usr/lib/python3.4/urllib/request.py", line 571, in http_response
'http', request, response, code, msg, hdrs)
  File "/usr/lib/python3.4/urllib/request.py", line 493, in error
result = self._call_chain(*args)
  File "/usr/lib/python3.4/urllib/request.py", line 433, in _call_chain
result = func(*args)
  File "/usr/lib/python3.4/urllib/request.py", line 676, in http_error_302
return self.parent.open(new, timeout=req.timeout)
  File "/usr/lib/python3.4/urllib/request.py", line 455, in open
response = self._open(req, data)
  File "/usr/lib/python3.4/urllib/request.py", line 473, in _open
'_open', req)
  File "/usr/lib/python3.4/urllib/request.py", line 433, in _call_chain
result = func(*args)
  File "/usr/lib/python3.4/urllib/request.py", line 1258, in http_open
return self.do_open(http.client.HTTPConnection, req)
  File "/usr/lib/python3.4/urllib/request.py", line 1232, in do_open
h.request(req.get_method(), req.selector, req.data, headers)
  File "/usr/lib/python3.4/http/client.py", line 1065, in request
self._send_request(method, url, body, headers)
  File "/usr/lib/python3.4/http/client.py", line 1093, in _send_request
self.putrequest(method, url, **skips)
  File "/usr/lib/python3.4/http/client.py", line 957, in putrequest
self._output(request.encode('ascii'))
UnicodeEncodeError: 'ascii' codec can't encode characters in position 31-32: 
ordinal not in range(128)


Using curl we can see that there is a redirect to an url with a special char:
$ curl -vs 
"http://legacy.biblegateway.com/versions/?vid=DN1933&action=getVersionInfo#books";
 >DN1933
* Hostname was NOT found in DNS cache
*   Trying 23.23.93.211...
* Connected to legacy.biblegateway.com (23.23.93.211) port 80 (#0)
> GET /versions/?vid=DN1933&action=getVersionInfo HTTP/1.1
> User-Agent: curl/7.35.0
> Host: legacy.biblegateway.com
> Accept: */*
> 
< HTTP/1.1 301 Moved Permanently
* Server nginx/1.4.7 is not blacklisted
< Server: nginx/1.4.7
< Date: Fri, 22 Aug 2014 08:35:30 GMT
< Content-Type: text/html; charset=UTF-8
< Content-Length: 0
< Connection: keep-alive
< X-Powered-By: PHP/5.5.7
< Set-Cookie: bg_id=1b9a80d5e6d545487cfd153d6df65c4e; path=/; 
domain=.biblegateway.com
< Set-Cookie: a9gl=0; path=/; domain=.biblegateway.com
< Location: 
http://legacy.biblegateway.com/versions/Dette-er-Biblen-på-dansk-1933/
< 
* Connection #0 to host legacy.biblegateway.com left intact


When the redirect-url doesn't contain special chars everything works as 
expected, like with this url: 
"http://legacy.biblegateway.com/versions/?vid=DNB1930&action=getVersionInfo#books";

--
components: Library (Lib)
messages: 225651
nosy: tomasgroth
priority: normal
severity: normal
status: open
title: urllib.request.urlopen raises exception when 30X-redirect url contains 
non-ascii chars
type: behavior
versions: Python 3.4

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[issue13938] 2to3 fails to convert types.StringTypes appropriately

[Claudiu Popa]

Changes by Claudiu Popa :


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[issue16599] unittest: Access test result from tearDown

[Claudiu Popa]

Changes by Claudiu Popa :


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[issue22248] urllib.request.urlopen raises exception when 30X-redirect url contains non-ascii chars

[Tomas Groth]

Tomas Groth added the comment:

Small correction. Use this url for a working redirect instead of the one given 
at the end of the first comment:
http://legacy.biblegateway.com/versions/?vid=ESV&action=getVersionInfo#books

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[issue22197] Allow better verbosity / output control in test cases

[Michael Foord]

Michael Foord added the comment:

This seems like a reasonable improvement, I'd be in favour. I'd be *slightly* 
concerned that a test can override an explicit verbosity setting of the user, 
but I guess that annoyance is up to the test writer (they should check for an 
explicit setting first).

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[issue22245] test_urllib2_localnet prints out error messages

[Senthil Kumaran]

Senthil Kumaran added the comment:

Interesting. I had not noticed these with my run on Mac and neither did 
Buildbots report. Looks like explicit closing of wfile do_GET method can be 
cause of tis problem.

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[issue22247] More incomplete module.__all__ lists

[Berker Peksag]

Changes by Berker Peksag :


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[issue18374] ast.parse gives wrong position (col_offset) for some BinOp-s

[Claudiu Popa]

Changes by Claudiu Popa :


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type:  -> behavior
versions: +Python 3.5 -Python 3.2, Python 3.3

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[issue22245] test_urllib2_localnet prints out error messages

[Roundup Robot]

Roundup Robot added the comment:

New changeset 48a77fbfd6cb by Senthil Kumaran in branch '3.4':
Fix issue22245 - Fix urllib2_localnet test.
http://hg.python.org/cpython/rev/48a77fbfd6cb

New changeset cb291294bdc8 by Senthil Kumaran in branch 'default':
merge from 3.4
http://hg.python.org/cpython/rev/cb291294bdc8

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[issue22245] test_urllib2_localnet prints out error messages

[Senthil Kumaran]

Senthil Kumaran added the comment:

It was reproducible on my local machine too. Those errors were present and 
somehow escaped me. Thanks for raising this.

Fixed these and tested in my local machine and test_urllib2_localnet was 
successful.

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stage:  -> resolved
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[issue21669] Custom error messages when print & exec are used as statements

[Nick Coghlan]

Nick Coghlan added the comment:

For the record, I just posted the Q&A reference to Stack Overflow: 
https://stackoverflow.com/questions/25445439/what-does-syntaxerror-missing-parentheses-in-call-to-print-mean-in-python/

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[issue22098] Behavior of Structure inconsistent with BigEndianStructure when using __slots__

[Claudiu Popa]

Claudiu Popa added the comment:

That makes sense. Quoting from the data model: "When inheriting from a class 
without __slots__, the __dict__ attribute of that class will always be 
accessible, so a __slots__ definition in the subclass is meaningless".
In the current case, for the little-endian systems, which I presume you have, 
BigEndianStructure is a subclass of Structure, but it doesn't have a definition 
of __slots__ in the body, leading to your results, according to the 
specificaton from the data model. In this case, it makes sense for Point1 to 
have __slots__, but not for Point2.

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[issue21817] `concurrent.futures.ProcessPoolExecutor` swallows tracebacks

[Ram Rachum]

Ram Rachum added the comment:

Hi Claudiu, sorry for the silence.

This output looks great. I'd love to see that go into Python.

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[issue22249] Possibly incorrect example is given for socket.getaddrinfo()

[Alexander Patrakov]

New submission from Alexander Patrakov:

See the example at 
https://docs.python.org/2/library/socket.html#socket.getaddrinfo

>>> socket.getaddrinfo("www.python.org", 80, 0, 0, socket.SOL_TCP)

As I am primarily a C programmer, it is quite surprising for me to see a SOL_* 
being passed into the proto argument. I thought that SOL_* is only for 
setsockopt(), and IPPROTO_* would be suitable. Yes, for TCP and UDP the SOL_* 
and IPPROTO_* constants are the same, but see e.g. 
http://msdn.microsoft.com/en-us/library/windows/desktop/ms737530%28v=vs.85%29.aspx
 which specifically points out that IPPROTO_* constants as acceptable values.

--
assignee: docs@python
components: Documentation
messages: 225659
nosy: Alexander.Patrakov, docs@python
priority: normal
severity: normal
status: open
title: Possibly incorrect example is given for socket.getaddrinfo()
type: behavior
versions: Python 2.7

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[issue22118] urljoin fails with messy relative URLs

[Stefan Behnel]

Stefan Behnel added the comment:

I'm now getting duplicated slashes in URLs, e.g.:

https://new//foo.html
http://my.little.server/url//logo.gif

In both cases, the base URL that gets joined with the postfix had a trailing 
slash, e.g.

"http://my.little.server/url/"; + "logo.gif" -> 
"http://my.little.server/url//logo.gif";

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[issue22118] urljoin fails with messy relative URLs

[Nick Coghlan]

Nick Coghlan added the comment:

Issue #1500504 (the "urischemes" proposal that never got turned into a PyPI 
package) has several additional test cases. This particular attachment is one 
AMK cleaned up to run on Py3k:

http://bugs.python.org/file32591/urischemes.py

The module itself likely isn't worth salvaging, but the additional examples in 
the test cases were very useful in flushing out various RFC compliance issues.

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[issue22247] More incomplete module.__all__ lists

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

Issue 20689: socket.__all__

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[issue21338] Silent mode for compileall

[Berker Peksag]

Changes by Berker Peksag :


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[issue22197] Allow better verbosity / output control in test cases

[Antoine Pitrou]

Antoine Pitrou added the comment:

Oh, I'm only proposing read-only access to the verbosity information. And 
forcing output buffering would only last for the current test method, of course.

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[issue19714] Add tests for importlib.machinery.WindowsRegistryFinder

[Roundup Robot]

Roundup Robot added the comment:

New changeset a21ddb1c41d2 by Brett Cannon in branch 'default':
Issue #19714: Tests for importlib.machinery.WindowsRegistryFinder.
http://hg.python.org/cpython/rev/a21ddb1c41d2

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[issue19714] Add tests for importlib.machinery.WindowsRegistryFinder

[Brett Cannon]

Brett Cannon added the comment:

Thanks for the patch, Claudiu. Sorry it took so long to apply, but you know 
what I have been working on instead so I'm sure you understand. =)

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[issue22191] warnings.__all__ incomplete

[Brett Cannon]

Brett Cannon added the comment:

And Python 2.7.

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[issue22240] argparse support for "python -m module" in help

[Miki Tebeka]

Miki Tebeka added the comment:

For zip file the help should probably be:
usage: python file.zip

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[issue19714] Add tests for importlib.machinery.WindowsRegistryFinder

[Berker Peksag]

Changes by Berker Peksag :


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[issue22191] warnings.__all__ incomplete

[Brett Cannon]

Brett Cannon added the comment:

The patch looks good, Jon! I'm running the test suite now to make sure nothing 
odd happens from the change, but barring that this should be committed in 
Python 3.4 and default shortly.

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[issue22191] warnings.__all__ incomplete

[Roundup Robot]

Roundup Robot added the comment:

New changeset a77dc87a34ff by Brett Cannon in branch '3.4':
Issue #22191: Fix warnings.__all__.
http://hg.python.org/cpython/rev/a77dc87a34ff

New changeset aeb5fc7a9956 by Brett Cannon in branch 'default':
Merge for issue #22191 fix
http://hg.python.org/cpython/rev/aeb5fc7a9956

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[issue22197] Allow better verbosity / output control in test cases

[Michael Foord]

Michael Foord added the comment:

Yep. I have no qualms about allowing test cases to switch on buffering.

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[issue22191] warnings.__all__ incomplete

[Roundup Robot]

Roundup Robot added the comment:

New changeset 727fd4ead3fd by Brett Cannon in branch '2.7':
Issue #22191: Fix warnings.__all__.
http://hg.python.org/cpython/rev/727fd4ead3fd

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[issue22191] warnings.__all__ incomplete

[Brett Cannon]

Changes by Brett Cannon :


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[issue22250] unittest lowercase methods

[Simon Zack]

New submission from Simon Zack:

The python unittest module currently uses camel case. This feels rather 
inconsistent with the rest of the python library, which is in lower case and 
follows PEP8.

Would it be a good idea to add lower-case aliases, and possibly deprecate the 
camel case methods in the future?

--
components: Library (Lib)
messages: 225673
nosy: simonzack
priority: normal
severity: normal
status: open
title: unittest lowercase methods
versions: Python 3.4

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[issue22098] Behavior of Structure inconsistent with BigEndianStructure when using __slots__

[eryksun]

eryksun added the comment:

Since BigEndianStructure doesn't explicitly define the instance slots, they get 
the default slots for __dict__ and __weakref__. It wouldn't make sense to 
exclude these slots from instances of the Point2 subclass, so there's no 
mechanism for that. You can only add slots.

That said, the BigEndianStructure and LittleEndianStructure subclasses should 
define __slots__ = (). That removes the inconsistency.

http://hg.python.org/cpython/file/c0e311e010fc/Lib/ctypes/_endian.py#l46

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[issue22098] Behavior of Structure inconsistent with BigEndianStructure when using __slots__

[Antoine Pitrou]

Antoine Pitrou added the comment:

> That said, the BigEndianStructure and LittleEndianStructure subclasses should 
> define __slots__ = (). That removes the inconsistency.

That would probably be reasonable indeed. Anyone wants to write a patch?

--
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stage:  -> needs patch
versions: +Python 3.5 -Python 3.4

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[issue22150] deprecated-removed directive is broken in Sphinx 1.2.2

[Roundup Robot]

Roundup Robot added the comment:

New changeset b834b1fa2aab by Berker Peksag in branch '3.4':
Issue #22150: Fix deprecated-removed directive in Sphinx 1.2.
http://hg.python.org/cpython/rev/b834b1fa2aab

New changeset 8f635f77e7e9 by Berker Peksag in branch 'default':
Issue #22150: Fix deprecated-removed directive in Sphinx 1.2.
http://hg.python.org/cpython/rev/8f635f77e7e9

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[issue22150] deprecated-removed directive is broken in Sphinx 1.2.2

[Berker Peksag]

Berker Peksag added the comment:

Thank you for your review, Ezio!

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[issue20152] Derby #15: Convert 50 sites to Argument Clinic across 9 files

[Roundup Robot]

Roundup Robot added the comment:

New changeset c2d71f9afa0b by Brett Cannon in branch 'default':
Issue #20152: Convert _multibytecodecs to Argument Clinic.
http://hg.python.org/cpython/rev/c2d71f9afa0b

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[issue20152] Derby #15: Convert 50 sites to Argument Clinic across 9 files

[Roundup Robot]

Roundup Robot added the comment:

New changeset 2617db7e43a3 by Brett Cannon in branch 'default':
Issue #20152: Convert the grp module to Argument Clinic.
http://hg.python.org/cpython/rev/2617db7e43a3

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[issue20152] Derby #15: Convert 50 sites to Argument Clinic across 9 files

[Brett Cannon]

Brett Cannon added the comment:

To make it easier to track what is left to commit:

* grp
* spwd
* fcntl
* pyexpat
* array
* cmath [Martin says this no longer applies cleanly]

I should also mention all of these patches probably need to shift to `output 
preset file` as well.

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[issue20152] Derby #15: Convert 50 sites to Argument Clinic across 9 files

[Brett Cannon]

Brett Cannon added the comment:

To make it easier to track what is left to commit:
* spwd
* fcntl
* pyexpat
* array
* cmath [Martin says this no longer applies cleanly]

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[issue22251] Various markup errors in documentation

[Berker Peksag]

New submission from Berker Peksag:

/home/berker/projects/cpython/default/Doc/extending/newtypes.rst:985: ERROR: 
Error in "note" directive:
invalid option block.

/home/berker/projects/cpython/default/Doc/faq/library.rst:700: ERROR: Error in 
"seealso" directive:
invalid option block.

/home/berker/projects/cpython/default/Doc/library/argparse.rst:1896: ERROR: 
Error in "warning" directive:
invalid option block.

/home/berker/projects/cpython/default/Doc/library/asyncio-eventloop.rst:200: 
ERROR: Error in "seealso" directive:
invalid option block.

/home/berker/projects/cpython/default/Doc/library/asyncio-protocol.rst:397: 
ERROR: Error in "note" directive:
invalid option block.

/home/berker/projects/cpython/default/Doc/library/asyncio-protocol.rst:405: 
ERROR: Error in "note" directive:
invalid option block.

/home/berker/projects/cpython/default/Doc/library/asyncio-task.rst:271: ERROR: 
Error in "note" directive:
invalid option block.

/home/berker/projects/cpython/default/Doc/library/email.contentmanager.rst:404: 
ERROR: Error in "note" directive:
invalid option block.

/home/berker/projects/cpython/default/Doc/library/logging.handlers.rst:867: 
ERROR: Error in "note" directive:
invalid option block.

/home/berker/projects/cpython/default/Doc/library/multiprocessing.rst:853: 
ERROR: Error in "seealso" directive:
invalid option block.

/home/berker/projects/cpython/default/Doc/library/os.rst:59: ERROR: Error in 
"seealso" directive:
invalid option block.

/home/berker/projects/cpython/default/Doc/library/pathlib.rst:34: ERROR: Error 
in "note" directive:
invalid option block.

/home/berker/projects/cpython/default/Doc/library/pathlib.rst:40: ERROR: Error 
in "seealso" directive:
invalid option block.

/home/berker/projects/cpython/default/Doc/library/pathlib.rst:43: ERROR: Error 
in "seealso" directive:
invalid option block.

/home/berker/projects/cpython/default/Doc/library/pickle.rst:143: ERROR: Error 
in "note" directive:
invalid option block.

/home/berker/projects/cpython/default/Doc/library/ssl.rst:269: ERROR: Error in 
"note" directive:
invalid option block.

/home/berker/projects/cpython/default/Doc/library/ssl.rst:934: ERROR: Error in 
"seealso" directive:
invalid option block.

/home/berker/projects/cpython/default/Doc/library/statistics.rst:138: ERROR: 
Error in "seealso" directive:
invalid option block.

/home/berker/projects/cpython/default/Doc/library/stdtypes.rst:3874: ERROR: 
Error in "seealso" directive:
invalid option block.

/home/berker/projects/cpython/default/Doc/library/sys.rst:800: ERROR: Error in 
"seealso" directive:
invalid option block.

/home/berker/projects/cpython/default/Doc/library/warnings.rst:43: ERROR: Error 
in "seealso" directive:
invalid option block.

/home/berker/projects/cpython/default/Doc/using/cmdline.rst:109: ERROR: Error 
in "seealso" directive:
invalid option block.

/home/berker/projects/cpython/default/Doc/using/cmdline.rst:161: ERROR: Error 
in "seealso" directive:
invalid option block.

/home/berker/projects/cpython/default/Doc/using/cmdline.rst:364: ERROR: Error 
in "seealso" directive:
invalid option block.

--
assignee: berker.peksag
components: Documentation
files: markup.diff
keywords: easy, patch
messages: 225682
nosy: berker.peksag, ezio.melotti, georg.brandl
priority: low
severity: normal
stage: patch review
status: open
title: Various markup errors in documentation
versions: Python 3.4, Python 3.5
Added file: http://bugs.python.org/file36435/markup.diff

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[issue21307] PEP 466: backport hashlib changes

[Alex Gaynor]

Alex Gaynor added the comment:

Uploaded patch adds the algorithm availability constants to the hashlib module.

--
components: +Extension Modules
keywords: +needs review, patch
Added file: http://bugs.python.org/file36436/backport-hashlib.diff

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[issue21305] PEP 466: update os.urandom

[Alex Gaynor]

Alex Gaynor added the comment:

Attached patch backports the persistent FD for urandom.

--
components: +Extension Modules, Interpreter Core
keywords: +needs review, patch
Added file: http://bugs.python.org/file36437/backport-urandom.diff

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[issue19447] py_compile.compile raises if a file has bad encoding

[Roundup Robot]

Roundup Robot added the comment:

New changeset 38688f0a0e04 by Berker Peksag in branch '3.4':
Issue #19447: Add a test case to py_compile.compile() to make sure
http://hg.python.org/cpython/rev/38688f0a0e04

New changeset efb0a3eb4e06 by Berker Peksag in branch 'default':
Issue #19447: Add a test case to py_compile.compile() to make sure
http://hg.python.org/cpython/rev/efb0a3eb4e06

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[issue19447] py_compile.compile raises if a file has bad encoding

[Berker Peksag]

Berker Peksag added the comment:

3.3 is in security-only mode and this issue has been fixed in 3.4. I've just 
committed your test case to 3.4 and default. Thanks for the patch, Bohuslav.

--
assignee:  -> berker.peksag
components: +Library (Lib) -Build
nosy: +berker.peksag
resolution:  -> fixed
stage:  -> resolved
status: open -> closed
type:  -> behavior
versions: +Python 3.4, Python 3.5 -Python 3.3

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[issue22246] add strptime(s, '%s')

[Berker Peksag]

Changes by Berker Peksag :


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stage:  -> patch review

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[issue22252] ssl blocking IO errors

[Hristo Venev]

New submission from Hristo Venev:

ssl.SSLWantReadError and ssl.SSLWantWriteError should inherit 
io.BlockingIOError.

Generic code that works with non-blocking sockets will stop working with 
SSLSockets.

Does anybody have any idea if SSLSocket.read() will need to write to the 
underlying socket or SSLSocket.write() need to read from it? AFAIK they don't.

Assuming that ssl.SSLWantReadErorr and ssl.SSLWantWriteError perfectly map to 
io.BlockingIOError (except during handshake).

--
components: Library (Lib)
messages: 225687
nosy: h.venev
priority: normal
severity: normal
status: open
title: ssl blocking IO errors
versions: Python 3.4

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[issue19447] py_compile.compile raises if a file has bad encoding

[Arfrever Frehtes Taifersar Arahesis]

Arfrever Frehtes Taifersar Arahesis added the comment:

You should use importlib.util.cache_from_source(bad_coding) instead of 
bad_coding + 'c'.

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[issue19447] py_compile.compile raises if a file has bad encoding

[Berker Peksag]

Berker Peksag added the comment:

Good point. Thank you Arfrever.

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[issue19447] py_compile.compile raises if a file has bad encoding

[Roundup Robot]

Roundup Robot added the comment:

New changeset d99014320220 by Berker Peksag in branch '3.4':
Issue #19447: Use importlib.util.cache_from_source() instead of ``bad_coding + 
'c'``.
http://hg.python.org/cpython/rev/d99014320220

New changeset 78fff5310206 by Berker Peksag in branch 'default':
Issue #19447: Use importlib.util.cache_from_source() instead of ``bad_coding + 
'c'``.
http://hg.python.org/cpython/rev/78fff5310206

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[issue20152] Derby #15: Convert 50 sites to Argument Clinic across 9 files

[Roundup Robot]

Roundup Robot added the comment:

New changeset b3aa30f474c4 by Brett Cannon in branch 'default':
Issue #20152: Port the spwd module to Argument Clinic.
http://hg.python.org/cpython/rev/b3aa30f474c4

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[issue20152] Derby #15: Convert 50 sites to Argument Clinic across 9 files

[Roundup Robot]

Roundup Robot added the comment:

New changeset c48980af7df2 by Brett Cannon in branch 'default':
Issue #20152: Port the pwd module to Argument Clinic.
http://hg.python.org/cpython/rev/c48980af7df2

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[issue22253] ConfigParser does not handle files without sections

[kernc]

New submission from kernc:

ConfigParser does not handle files that specify options in the "global" section 
(first option specified before any section is). This configuration "behavior" 
is present in the configuration files in the wild [1, 2], and while the naive 
workaround is simple, ... really?!

The support for section-less configuration would also play nice with various 
"POSIX-compatible config files" (think /etc/default/*, /etc/os-release, ...).

Ideally, the support could be enabled by default or only when `strict=False` 
constructor argument is supplied. The options in this global section could 
likely be accessed in the empty ('') section, e.g. `config.get('', 'option')`.

Thus, ConfigParser could finally really replace the venerable ConfigObj [3].

[1]: http://stackoverflow.com/a/22501121/
[2]: 
https://www.google.com/search?q=MissingSectionHeaderError%3A+File+contains+no+section+headers
[3]: http://www.voidspace.org.uk/python/configobj.html

--
components: Library (Lib)
messages: 225693
nosy: kernc
priority: normal
severity: normal
status: open
title: ConfigParser does not handle files without sections
type: behavior
versions: Python 2.7, Python 3.2, Python 3.5

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[issue20152] Derby #15: Convert 50 sites to Argument Clinic across 9 files

[Roundup Robot]

Roundup Robot added the comment:

New changeset 0c2792a8f9db by Brett Cannon in branch 'default':
Issue #20152: Port pyexpat to Argument Clinic.
http://hg.python.org/cpython/rev/0c2792a8f9db

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[issue20152] Derby #15: Convert 50 sites to Argument Clinic across 9 files

[Brett Cannon]

Brett Cannon added the comment:

To make it easier to track what is left to commit:
* fcntl [does not apply cleanly
* array
* cmath [Martin says this no longer applies cleanly]

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[issue22253] ConfigParser does not handle files without sections

[Łukasz Langa]

Łukasz Langa added the comment:

That's an interesting feature request. Parsing it only while `strict=False` 
sounds like a good plan.

--
assignee:  -> lukasz.langa
nosy: +lukasz.langa
stage:  -> needs patch
type: behavior -> enhancement
versions:  -Python 2.7, Python 3.2

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[issue22254] match object generated by re.finditer cannot call groups() on mac

[leiju]

New submission from leiju:

See the simple test below:


failed on 13.3.0 Darwin Kernel Version 13.3.0, Python 2.7.8:


Python 2.7.8 (v2.7.8:ee879c0ffa11, Jun 29 2014, 21:07:35) 
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> 
>>> 
>>> 
>>> import re
>>> 
>>> p = '(abc)|(def)|(xyz)'
>>> s = 'abcdefxyz'
>>> 
>>> 
>>> for s in re.finditer(p, s): print s.groups()
... 
Traceback (most recent call last):
  File "", line 1, in 
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/re.py", 
line 186, in finditer
return _compile(pattern, flags).finditer(string)
TypeError: expected string or buffer
>>



same test succeeds on Windows 7 professional:



Python 2.7.8 (default, Jun 30 2014, 16:03:49) [MSC v.1500 32 bit (Intel)] on win
32
Type "help", "copyright", "credits" or "license" for more information.
>>>
>>>
>>> p = '(abc)|(def)|(xyz)'
>>> s = 'abcdefxyz'
>>>
>>> import re
>>>
>>> for x in re.finditer(p, s): print x.groups()
...
('abc', None, None)
(None, 'def', None)
(None, None, 'xyz')
>>>
>>>
>>>
>>>




same test succeeds on freedbsd 7.4. Python 2.7.1:
=



Python 2.7.1 (r271:86832, Jan 31 2011, 17:18:31) 
[GCC 4.2.1 20070719  [FreeBSD]] on freebsd7
Type "help", "copyright", "credits" or "license" for more information.
>>> import re
>>> p = '(abc)|(def)|(xyz)'
>>> s = 'abcdefxyz'
>>> for s in re.finditer(p, s): print s.groups()
... 
('abc', None, None)
(None, 'def', None)
(None, None, 'xyz')
>>> 
>>> 
>>> 
>>>

--
assignee: ronaldoussoren
components: Macintosh, Regular Expressions
messages: 225697
nosy: ezio.melotti, leiju, mrabarnett, ronaldoussoren
priority: normal
severity: normal
status: open
title: match object generated by re.finditer cannot call groups() on mac
type: compile error
versions: Python 2.7

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[issue22250] unittest lowercase methods

[R. David Murray]

R. David Murray added the comment:

We tried going down this path with the Threading module in the python3 
transiontion, and it was a mess.  I don't think we are going to do it for any 
other module.

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[issue22254] match object generated by re.finditer cannot call groups() on mac

[leiju]

leiju added the comment:

closed as cannot reproduce it anymore:


Python 2.7.8 (v2.7.8:ee879c0ffa11, Jun 29 2014, 21:07:35) 
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> 
>>> 
>>> 
>>> 
>>> import re
>>> p = '(abc)|(def)|(xyz)'
>>> s = 'abcdefxyz'
>>> 
>>> for s in re.finditer(p, s): print s.groups()
... 
('abc', None, None)
(None, 'def', None)
(None, None, 'xyz')
>>> 
>>> 
>>> 
>>>

--
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status: open -> closed

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[issue22244] load_verify_locations fails to handle unicode paths on Python 2

[Alex Gaynor]

Alex Gaynor added the comment:

Attached patch resolves the issue, includes a test.

--
keywords: +needs review, patch
Added file: http://bugs.python.org/file36438/t22244.diff

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[issue22248] urllib.request.urlopen raises exception when 30X-redirect url contains non-ascii chars

[Ned Deily]

Changes by Ned Deily :


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[issue22221] ast.literal_eval confused by coding declarations

[Terry J. Reedy]

Terry J. Reedy added the comment:

This issue is about the SyntaxError message for eval functions, not the ast 
module per se. My first response is that the reported message is not a bug and 
that this issue should be closed as 'not a bug'.

(General reason) Trying to eval an expression preceded by a comment on its own 
line or followed by a comment works.

>>> eval("#before\n'string'#after")
'string'

Trying to eval a bare comment *is* a syntax error.

>>> eval("#comment\n")
...
SyntaxError: unexpected EOF while parsing

So the issue as presented is the special-case message.  However, messages are 
not part of the language specification and improving them is 
often/usually/always? treated as an enhancement.  Changing them will break code 
and tests that depend on the exact wording. 2.7 does not get enhancements.

(Specific reason) In 2.x, the input to (literal-)eval is either latin-1 encoded 
bytes or unicode. 'Latin-1' input could potentially consist of an encoding 
declaration on one line followed on the next line by a literal string encoded 
as indicated.

>>> le("# -*- coding: utf-8 -*-\n'string'")
'string'

Unicode input, the subject of this issue, is encoded to latin-1, which means 
that any literal string in the expression has to be latin-1 encoded. Therefore, 
a latin-1 encoding declaration is redundant and anything else is either 
redundant (if the original unicode only contains characters that encode the 
same in latin-1, as in the example above) or wrong, with hard to predict 
behavior.  Someone thought it worthwhile to add the special case check.  I 
think it should be left as is.

Jorgen, please either close this or explain why you think not, in light of the 
above.

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nosy: +terry.reedy

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[issue22250] unittest lowercase methods

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

assertlessequal looks non-readable and assert_less_equal is two characters 
longer.

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[issue22250] unittest lowercase methods

[Ezio Melotti]

Ezio Melotti added the comment:

This has been already proposed and rejected in the past.
It's not something that is going to happen (at least until Python 4 or 5).

--
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resolution:  -> rejected
stage:  -> resolved
status: open -> closed

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[issue22221] ast.literal_eval confused by coding declarations

[Jorgen Schäfer]

Jorgen Schäfer added the comment:

I do not understand how your comments apply to this bug. There is no
comment anywhere.  There is a single string literal whose contents look
like a comment. The expression parses correctly without syntax error if you
add a few newlines in front. Could you clarify your objection?
On Aug 22, 2014 9:59 PM, "Terry J. Reedy"  wrote:

>
> Terry J. Reedy added the comment:
>
> This issue is about the SyntaxError message for eval functions, not the
> ast module per se. My first response is that the reported message is not a
> bug and that this issue should be closed as 'not a bug'.
>
> (General reason) Trying to eval an expression preceded by a comment on its
> own line or followed by a comment works.
>
> >>> eval("#before\n'string'#after")
> 'string'
>
> Trying to eval a bare comment *is* a syntax error.
>
> >>> eval("#comment\n")
> ...
> SyntaxError: unexpected EOF while parsing
>
> So the issue as presented is the special-case message.  However, messages
> are not part of the language specification and improving them is
> often/usually/always? treated as an enhancement.  Changing them will break
> code and tests that depend on the exact wording. 2.7 does not get
> enhancements.
>
> (Specific reason) In 2.x, the input to (literal-)eval is either latin-1
> encoded bytes or unicode. 'Latin-1' input could potentially consist of an
> encoding declaration on one line followed on the next line by a literal
> string encoded as indicated.
>
> >>> le("# -*- coding: utf-8 -*-\n'string'")
> 'string'
>
> Unicode input, the subject of this issue, is encoded to latin-1, which
> means that any literal string in the expression has to be latin-1 encoded.
> Therefore, a latin-1 encoding declaration is redundant and anything else is
> either redundant (if the original unicode only contains characters that
> encode the same in latin-1, as in the example above) or wrong, with hard to
> predict behavior.  Someone thought it worthwhile to add the special case
> check.  I think it should be left as is.
>
> Jorgen, please either close this or explain why you think not, in light of
> the above.
>
> --
> nosy: +terry.reedy
>
> ___
> Python tracker 
> 
> ___
>

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[issue22232] str.splitlines splitting on non-\r\n characters

[Terry J. Reedy]

Terry J. Reedy added the comment:

Objects/unicodeobject.c linebreak is at 266. With 3.4.1:
>>> 'a\x0ab\x0bc\x0cd\x0d1c\x1c1d\x1d1e\x1e'.splitlines()
['a', 'b', 'c', 'd', '1c', '1d', '1e']
\x0a == \n, \x0d == \r

The \r\n pair is a special case, as promised, but other pairs are not.
>>> 'a\r\nb'.splitlines()
['a', 'b']
>>> 'a\x0b\nb'.splitlines()
['a', '', 'b']

--
nosy: +terry.reedy
title: str.splitlines splitting on none-\r\n characters -> str.splitlines 
splitting on non-\r\n characters

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[issue21166] Bus error in pybuilddir.txt 'python -m sysconfigure --generate-posix-vars' build step

[Roundup Robot]

Roundup Robot added the comment:

New changeset edb6b282469e by Ned Deily in branch '2.7':
Issue #21166: Prevent possible segfaults and other random failures of
http://hg.python.org/cpython/rev/edb6b282469e

New changeset e52d85f2e284 by Ned Deily in branch '3.4':
Issue #21166: Prevent possible segfaults and other random failures of
http://hg.python.org/cpython/rev/e52d85f2e284

New changeset 599dc1304a70 by Ned Deily in branch 'default':
Issue #21166: merge from 3.4
http://hg.python.org/cpython/rev/599dc1304a70

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[issue21166] Bus error in pybuilddir.txt 'python -m sysconfigure --generate-posix-vars' build step

[Ned Deily]

Ned Deily added the comment:

Committed for release in 2.7.9, 3.4.2, and 3.5.0

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stage: patch review -> resolved
status: open -> closed

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[issue22199] 2.7 sysconfig._get_makefile_filename should be sysconfig.get_makefile_filename

[Roundup Robot]

Roundup Robot added the comment:

New changeset c57cf191e759 by Ned Deily in branch '2.7':
Issue #22199: Make get_makefile_filename() available in Lib/sysconfig.py
http://hg.python.org/cpython/rev/c57cf191e759

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[issue22232] str.splitlines splitting on non-\r\n characters

[Samuel Charron]

Samuel Charron added the comment:

It's also at line #14941 for unicode strings if I understand correctly

With 3.4.0: 

>>> "a\x85b\x1ec".splitlines()
['a', 'b', 'c']

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[issue22199] 2.7 sysconfig._get_makefile_filename should be sysconfig.get_makefile_filename

[Roundup Robot]

Roundup Robot added the comment:

New changeset 404cf4c071c8 by Ned Deily in branch '2.7':
Issue #22199: update Misc/NEWS
http://hg.python.org/cpython/rev/404cf4c071c8

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[issue8296] multiprocessing.Pool hangs when issuing KeyboardInterrupt

[Steven Myint]

Changes by Steven Myint :


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[issue22199] 2.7 sysconfig._get_makefile_filename should be sysconfig.get_makefile_filename

[Ned Deily]

Ned Deily added the comment:

Committed for release in 2.7.9

--
resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed

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[issue22243] Documentation on try statement incorrectly implies target of except clause can be any assignable expression

[Terry J. Reedy]

Terry J. Reedy added the comment:

I think 'target' can just be replaced by 'identifier'.
Using 'expression' (or 'expr' in the ast doc) for what should be 'exceptions: 
identifier' or paranthesized tuple of identifiers;, is also too broad. However, 
that must be enforced in the compiler rather than the parser, and compiler 
restrictions are in the text, not the grammar.

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nosy: +terry.reedy

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[issue22243] Documentation on try statement incorrectly implies target of except clause can be any assignable expression

[Michael Williamson]

Michael Williamson added the comment:

> Using 'expression' (or 'expr' in the ast doc) for what should be 'exceptions: 
> identifier' or paranthesized tuple of identifiers;, is also too broad. 
> However, that must be enforced in the compiler rather than the parser, and 
> compiler restrictions are in the text, not the grammar.

I would expect any expression to be valid so long as it evaluates at runtime to 
an exception type (or tuple of exception types), so the use of expression seems 
correct to me. In other words, the following is valid Python (but would not be 
allowed if I've understood your statement correctly):

def f():
try:
"".blah
except some_error():
print("caught")

def some_error():
return AttributeError

f()

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[issue16808] inspect.stack() should return list of named tuples

[David Thiede]

Changes by David Thiede :


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[issue22199] 2.7 sysconfig._get_makefile_filename should be sysconfig.get_makefile_filename

[Éric Araujo]

Éric Araujo added the comment:

Thanks Ned for analysing and cleanin up the mess :-)

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[issue22253] ConfigParser does not handle files without sections

[kernc]

kernc added the comment:

I, for one, would actually prefer if global options were parsed by default and 
MissingSectionHeaderError was deprecated instead.
>From what little specification available, INI format does **not** require 
>options be in sections [4, 5].

Additionally, "Linux and Unix systems also use a similar file format for system 
configuration" [6] and allowing global options being a (very sane) default 
would nicely fill this use case as well.

In general, the format is not well defined [6], so choice of name `strict` for 
an argument is kind of odd too. What is it conforming to?

It may be my sole opinion that parsing global options by default into a '' (or 
appropriate) section and deprecating MissingSectionHeaderError would benefit 
everyone [2, 9] and hinder few if any one at all [8, 9]. YMMV.

[4]: http://en.wikipedia.org/wiki/INI_file#Sections
[5]: http://en.wikipedia.org/wiki/INI_file#Global_properties
[6]: http://en.wikipedia.org/wiki/INI_file
[7]: http://en.wikipedia.org/wiki/INI_file#Varying_features
[8]: http://nullege.com/pages/noresult/MissingSectionHeaderError
[9]: https://github.com/search?l=python&q=MissingSectionHeaderError&type=Code

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[issue22221] ast.literal_eval confused by coding declarations

[Terry J. Reedy]

Terry J. Reedy added the comment:

[When responding, please do not quote more than a line or two. If responding by 
email, please delete the rest. Otherwise, the result is extra noise when 
viewing online.]

You are right, I missed the outer 's, though my examples are not completely 
irrelevant. Eval looks inside the inner quotes for a coding line in certain 
circumstances, or maybe it always looks and we do not notice when there is not 
problem.  Here are some of my results on US Win 7, cp1252, 3.4.1, interactive 
prompt, idle

pass: eval(u'"""# -*- coding: utf-8 -*-\na"""')
fail: eval(u'"""\n# -*- coding: utf-8 -*-\na"""')
  since coding can be on line 1 or 2, these should be same
pass: eval(u'"""\n\n# -*- coding: utf-8 -*-\na"""')
  coding on 3rd line should be ignored
fail: eval(u'"""\\\n# -*- coding: utf-8 -*-\na"""')
  logically, this matches the first example; physically, the second
pass: eval(u'"""# -*- coding: utf-8 -*-\na€"""')
  but € prints as \xc2\x80', its utf-8 encoding as pasted in

>From file, saved from Idle editor as cp1252
pass: print(eval("# -*- coding: utf-8 -*-\n'euro€'"))
  no u prefix, € prints as €
fail: print(eval(u"# -*- coding: utf-8 -*-\n'euro€'"))

Save the following two lines in one file as utf-8
pass: print(eval("# -*- coding: utf-8 -*-\n'euro€'"))
print(eval(u"# -*- coding: utf-8 -*-\n'euro∢'"))
  but € & ∢ print as '€' & '∢'
  adding # -*- coding: utf-8 -*- line makes no difference
  adding u prefix fails either way

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[issue22243] Documentation on try statement incorrectly implies target of except clause can be any assignable expression

[Terry J. Reedy]

Terry J. Reedy added the comment:

You are right, only the result, and not the form of 'expression' is 
constrained. I will let Jayanth propose other errors.

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[issue22252] ssl blocking IO errors

[Antoine Pitrou]

Antoine Pitrou added the comment:

> ssl.SSLWantReadError and ssl.SSLWantWriteError should inherit 
> io.BlockingIOError.
> Generic code that works with non-blocking sockets will stop working with 
> SSLSockets.

I'll have to think about that, but in any case non-blocking SSL code needs to 
be subtler than normal non-blocking code, because of this:

> Does anybody have any idea if SSLSocket.read() will need to write to the 
> underlying socket or SSLSocket.write() need to read from it? AFAIK they don't.

Yet the documentation clearly tells you they can:
https://docs.python.org/3/library/ssl.html#notes-on-non-blocking-sockets

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nosy: +alex, christian.heimes, dstufft, giampaolo.rodola, janssen, pitrou

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[issue22255] Multiprocessing freeze_support raises RuntimeError

[Michael McAuliffe]

New submission from Michael McAuliffe:

On Windows, I froze a script that uses multiprocessing with cx-freeze and 
Python 3.4.1 that had freeze_support() in the "if __name__ == '__main__'" 
section of the main module, and the resulting executable crashes with a 
RuntimeError 'context has already been set'.

The error happens in a call to set_start_method in multiprocessing.spawn's 
prepare function, and changing the line in spawn.py from:

if 'start_method' in data:
set_start_method(data['start_method'])

to:

if 'start_method' in data:
set_start_method(data['start_method'], force = True)

allows the frozen executable to successfully run.

--
components: Library (Lib)
messages: 225719
nosy: Michael.McAuliffe
priority: normal
severity: normal
status: open
title: Multiprocessing freeze_support raises RuntimeError
type: crash
versions: Python 3.4

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[issue21307] PEP 466: backport hashlib changes

[Gregory P. Smith]

Gregory P. Smith added the comment:

use a frozenset for algorithms_guaranteed.

in the docs under more algor... may be available make the two variables
link to their docs.  you might explicitly mention python 2.7.9 in that
paragraph.

you probably should use pystring_fromstring imstead of unicode given this
is 2.7.

On Fri, Aug 22, 2014 at 9:46 AM, Alex Gaynor  wrote:

>
> Alex Gaynor added the comment:
>
> Uploaded patch adds the algorithm availability constants to the hashlib
> module.
>
> --
> components: +Extension Modules
> keywords: +needs review, patch
> Added file: http://bugs.python.org/file36436/backport-hashlib.diff
>
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[issue21307] PEP 466: backport hashlib changes

[Alex Gaynor]

Alex Gaynor added the comment:

New patch uses PyString_FromString.

To the other two points:

1) Python3 uses a mutable set for both of these, any reason for Python2 to be 
inconsistent?

2) The docs in Python3 don't have this link either, I'm trying to minimize the 
delta; if you think there should be a link I'd prefer it be done in python3, 
and then I can backport that as well.

--
Added file: http://bugs.python.org/file36439/backport-hashlib.diff

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[issue21307] PEP 466: backport hashlib changes

[Gregory P. Smith]

Gregory P. Smith added the comment:

Keeping the delta small makes sense. I'd use frozenset in 3 as well but its
unimportant. LGTM.

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[issue22232] str.splitlines splitting on non-\r\n characters

[R. David Murray]

R. David Murray added the comment:

See issue 7643 for some technical background.  There are some other interesting 
issues to read if you seach the tracker for 'splitlines unicode', one of which 
is an open doc issue. Clearly the docs about this are inadequate.

Basically, though, I think you are correct.  email should not be using 
splitlines().  It was more or less correct when email was splitting binary 
data, but even then it wasn't exactly correct per the letter of RFC.

Unfortunately not using splitlines has some performance implications...but then 
again we haven't done any sort of performance improvement pass on the new email 
code, so it may well be marginal in the overall scheme of things.

--
components: +email
nosy: +barry

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[issue2527] Pass a namespace to timeit

[Roundup Robot]

Roundup Robot added the comment:

New changeset e0f681f4ade3 by Antoine Pitrou in branch 'default':
Issue #2527: Add a *globals* argument to timeit functions, in order to override 
the globals namespace in which the timed code is executed.
http://hg.python.org/cpython/rev/e0f681f4ade3

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[issue2527] Pass a namespace to timeit

[Antoine Pitrou]

Antoine Pitrou added the comment:

Thank you, Ben! Your patch is now pushed to the default branch.

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stage: patch review -> resolved
status: open -> closed

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[issue21536] extension built with a shared python cannot be loaded with a static python

[Antoine Pitrou]

Changes by Antoine Pitrou :


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[issue20421] expose SSL socket protocol version

[Antoine Pitrou]

Antoine Pitrou added the comment:

Here is a patch. Doc updates still missing.

--
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Added file: http://bugs.python.org/file36440/ssl_version.patch

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[issue22244] load_verify_locations fails to handle unicode paths on Python 2

[Benjamin Peterson]

Benjamin Peterson added the comment:

Can't you just use "et" in PyArg_Parse?

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nosy: +benjamin.peterson

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[issue22244] load_verify_locations fails to handle unicode paths on Python 2

[Alex Gaynor]

Alex Gaynor added the comment:

Unfortunately no, the API accepts explicit Nones (in addition to simply not 
passing the argument), and et errors on those.

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[issue22244] load_verify_locations fails to handle unicode paths on Python 2

[Antoine Pitrou]

Antoine Pitrou added the comment:

You could do all the argument conversion in the Python SSLContext class and 
then delegate to the base _SSLContext class...

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[issue22244] load_verify_locations fails to handle unicode paths on Python 2

[Alex Gaynor]

Alex Gaynor added the comment:

It's not clear to me that that's better, and it makes the diff with the Python3 
version larger.

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[issue22244] load_verify_locations fails to handle unicode paths on Python 2

[Alex Gaynor]

Alex Gaynor added the comment:

Attached patch adds an additional test for a more interesting unicode path.

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Added file: http://bugs.python.org/file36441/t22244.diff

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[issue22243] Documentation on try statement incorrectly implies target of except clause can be any assignable expression

[Jayanth Koushik]

Jayanth Koushik added the comment:

The page on compound statements defines compound statements as:

compound_stmt ::=  if_stmt
   | while_stmt
   | for_stmt
   | try_stmt
   | with_stmt
   | funcdef
   | classdef

The full grammar specification on the other hand says:

compound_stmt: if_stmt | while_stmt | for_stmt | try_stmt | with_stmt | funcdef 
| classdef | decorated

This accordingly leads to different definitions of funcdef and classdef. This 
is not necessarily 'incorrect', but for the sake of clarity, it might be better 
if both pages followed the same conventions.

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[issue22231] httplib: unicode url will cause an ascii codec error when combined with a utf-8 string header

[Bob Chen]

Bob Chen added the comment:

I personally suggest httplib convert the url and other elements to be string, 
at the begging of the class init.

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