Matt Joiner added the comment:
I do not think so. mypy has the same issue. The ByteString type does not
include the methods shared by all its implementations. I already linked to this
in https://bugs.python.org/msg375553. I also showed that mypy doesn't work in
my last co
Matt Joiner added the comment:
$ pyright hex.py
stubPath /Users/anacrolix/src/dht-scraper/typings is not a valid directory.
Assuming Python platform Darwin
Searching for source files
Found 1 source file
/Users/anacrolix/src/dht-scraper/hex.py
3:9 - error: Cannot access member "hex"
Change by Matt Joiner :
Added file: https://bugs.python.org/file49423/hex.py
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Matt Joiner added the comment:
https://github.com/python/cpython/blob/48b069a003ba6c684a9ba78493fbbec5e89f10b8/Lib/_collections_abc.py#L953
https://github.com/python/cpython/blob/0e95bbf08571e98f4b688524efc2dcf20d315d91/Lib/typing.py#L1612
--
status: pending -> o
New submission from Matt Joiner :
I get this error when running pyright for a type of typing.ByteString. All the
implementations of ByteString (bytes, bytearray, memoryview) have the hex
method, so this seems unexpected?
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Matt Joiner added the comment:
This is why I stopped contributing to Python.
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Matt Joiner added the comment:
This sounds excellent Nick.
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Matt Joiner added the comment:
What's preventing this from being committed and closed?
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Matt Joiner added the comment:
I look forward to your feedback Ezio.
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Matt Joiner added the comment:
Did this make it into 3.3?
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Matt Joiner added the comment:
Isn't this fixed in Python>=3.2?
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Removed file: http://bugs.python.org/file24984/functools.lru_cache-in-c.patch
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Matt Joiner added the comment:
> * it incorporate the recent lru_cache algorithmic updates (moving the root
> around the circular queue to re-use old links).
The existing C patch already does this.
> * it shows which parts should be implemented in C using a regular type and
>
Matt Joiner added the comment:
Attached is a patch for test_concurrent_futures, similar to the patch for
test_socket.
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Matt Joiner added the comment:
The patch attached, rejigs the TestCase inheritance in test.test_socket so that
tests run correctly using unittest discovery. Recent changes have made
test_queue, and test_threading run without similar fixes, so I don't think
fixes for those are nece
Matt Joiner added the comment:
Patch with a test included. Being a nondeterministic bug, please adjust the
thread count, or timing as necessary, the parameters in the patch are as low as
I can get them and still reasonably reproduce the bug (linux 3.2, i386).
There's a few complicatio
Matt Joiner added the comment:
I'll add this shortly.
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Matt Joiner added the comment:
It could in fact be necessary, if the inheritance cannot be juggled to give
the right MRO. Fortunately this is not the case, I should have a patch using
TestCase inheritance for discovery tomorrow.
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Matt Joiner added the comment:
I'm working on a patch using TestCase a la test_queue. Perhaps we should create
an issue for a base class test case decorator or something to that effect?
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Matt Joiner added the comment:
Michael:
The thread setup and cleanup is not required, AFAICT. You are also correct in
that these particular test modules do not run correctly without modification
(although test_queue does now that the bug I reported there was fixed).
Sorry by predicated, I
Matt Joiner added the comment:
I think if you can correctly construct the same test case list using discovery
then that's far superior. But I haven't tried this, and don't know if you can
correctly predicate the support classes using only c
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Removed file: http://bugs.python.org/file24958/functools.lru_cache-in-c
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Matt Joiner added the comment:
I've fixed the commenting, and cache_info use.
I've left the element management in pure C as it reduces memory use (56 bytes
for 4 element list, vs. 16 for lru_cache_elem), and avoids ref counting
overhead (3 refs per link, plus GC). The difference mi
New submission from Matt Joiner :
Python 3.2 added the test_cases protocol. Many of the stdlib tests won't run
using the `$ python3 -m unittest test.test_blah` method due to select unit test
class names, and some regrtest arcanity. Defining test_cases makes these tests
work as expecte
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New submission from Matt Joiner :
matt@matt-1005P:~/src/cpython$ ./python -m unittest test.test_concurrent_futures
Ran 79 tests in 62.554s
FAILED (errors=18)
Failures are due to test discovery picking up unintentionally exposed tests. By
adhering to the test_cases protocol introduced in 3.2
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Matt Joiner added the comment:
Patch attached.
--
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Added file:
http://bugs.python.org/file25020/concurrent.futures._AllCompletedWaiter-race-condition.patch
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New submission from Matt Joiner :
There's a race condition in concurrent.futures in _AllCompletedWaiter, which
affects wait(return_when=ALL_COMPLETED).
The attached test will go into an infinite wait.
--
components: Library (Lib)
files: concurrent.futures._AllCompletedWaiter
Matt Joiner added the comment:
I've attached a patch that implements the descriptor protocol for
functools.partial with minimum changes.
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Added file: http://bugs.python.org/file25016/functools.partial-descrget.patch
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Matt Joiner added the comment:
Updated patch to fix a crash if maxsize isn't given, and add a unit test for
that.
Possible issues:
* I've tried to emulate object() by calling PyBaseObject_Type. Not sure if
there's a more lightweight object for this that just provides the n
Matt Joiner added the comment:
I attached a minimal patch that additionally tidies the exception handling for
{cP,p}rofile.runctx.
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Matt Joiner added the comment:
This patch is a shoo-in, can someone review and commit this?
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Added file: http://bugs.python.org/file24961/profiler-unhandled-exceptions.patch
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Added file: http://bugs.python.org/file24958/functools.lru_cache-in-c
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New submission from Matt Joiner :
functools.lru_cache is optimized to the point that it may benefit from a C
implementation.
--
components: Interpreter Core, Library (Lib)
messages: 156405
nosy: anacrolix, rhettinger
priority: normal
severity: normal
status: open
title: C
Matt Joiner added the comment:
Doc/library/dis.rst wasn't updated for the extra pop introduced to MAKE_CLOSURE
opcode.
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Matt Joiner added the comment:
I will submit a patch for this soon.
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Matt Joiner added the comment:
Yes, FWIW much of the standard library tests are callable this way without
issue. I have patches that fix the discoverability of a few test modules. I'll
submit these in another issue.
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Matt Joiner added the comment:
This changeset has broken something. All I get is a confusing backtrace ending
with:
File "/home/matt/src/python-torrent/torrent/bencode.py", line 15, in encode
yield from encode(k)
AttributeError: 'list_iterator' object has no attri
New submission from Matt Joiner :
$ python3.3 -m unittest test.test_queue
Generates errors in the unit test code of the form
AttributeError: 'BaseQueueTest' object has no attribute 'type2test'
--
components: Tests
messages: 156006
nosy: anacrolix, benjamin.
Matt Joiner added the comment:
Is there still some value to at least exposing this in the C API, per the
precedents I mentioned?
The patch also contains some adjustment to the set_add_entry/set_add_key
abstraction dance, and some future proofing of PySet_Add return values that
have merit
Matt Joiner added the comment:
Steven, patch attached. I lost steam in the unittests with all the meta,
suffice it that the names match the file descriptors of the stream sources.
i.e. FileType('rb') would give a file with name=0, and so forth. My chosen
method also allows other
Matt Joiner added the comment:
I should mention that this failure to set addr is unusual seeing as most socket
instances are wrapping AF_INET* domain sockets, and aren't likely to connect
without blocking. This is quite likely a reason nobody has observed it until
now.
It *is* desirab
Matt Joiner added the comment:
Yes it should.
A cursory glance shows that __repr__ returns incorrect if _closed is not
marked, and an unnecessary mop-up call to socket.close is avoided.
--
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Added file: http://bugs.python.org/file24863/bench_set_add.py
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New submission from Matt Joiner :
set.add can return True to indicate a newly added item to the set, or False if
the item was already present.
The C function PySet_Add returns -1 on error, and 0 on success currently. This
is extended to return 1 if the item is newly added, and 0 if it was
Matt Joiner added the comment:
Jim the code was lifted verbatim from Lib/cProfile.py, line 47.
That code in cProfile.py has not changed since 2006 when it was committed by
Armin Rigo.
I can modernize it if it's a requirement to get it committed, but I'm also okay
with my conserva
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Matt Joiner added the comment:
Roger that. I'll start on a patch for this in a month or two if all goes well.
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New submission from Matt Joiner :
If an argument of '-' is handled by argparse.FileType, it defaults to
sys.stdin. However a mode of 'rb' is ignored, the returned file object does not
work with raw bytes.
--
components: Library (Lib)
messages: 154612
nosy: anacro
Matt Joiner added the comment:
Can we get this exposed as an os.accept4, and an optional flags parameter to
socket.socket.accept?
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Matt Joiner added the comment:
As I see it, here are the desirable features of CSP-style concurrency as it
pertains to channels:
1) At least an unbuffered mode
2) Can be marked closed
3) Block on multiple send/receives until one can proceed
Specifically features 1 and 2 could be bolted onto
New submission from Matt Joiner :
>From the mailing list, there is some interest in a CSP-style channel.
>http://mail.python.org/pipermail/python-ideas/2012-February/014073.html
--
components: Library (Lib)
messages: 153748
nosy: anacrolix
priority: normal
severity: normal
status
New submission from Matt Joiner :
There is no Barrier in multiprocessing corresponding to threading.Barrier.
--
components: Library (Lib)
messages: 153744
nosy: anacrolix
priority: normal
severity: normal
status: open
title: Implement multiprocessing.Barrier
type: enhancement
versions
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Matt Joiner added the comment:
Please also expose sched_getcpu().
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New submission from Matt Joiner :
_threading.RLock is optional, and threading._CRLock is set to None if it isn't
available. If this happens, the test_threading unittests crash.
Some implementations don't provide _thread.RLock.
Patch attached.
--
components: Library (Lib)
f
New submission from Matt Joiner :
socket.socket.detach doesn't mark the socket._closed flag. The flag is specific
to the Python wrapper, so the fix is put there. Test included.
--
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files: socket-detach-mark-closed.patch
keywords: patch
messages: 152005
Matt Joiner added the comment:
Cheers, thanks for the fast turn around.
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Matt Joiner added the comment:
Interesting this also occurs in 3.2 and 2.7, but not 2.6 or 3.1. It's probably
not an error in 2.x tho.
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New submission from Matt Joiner :
There's a lingering StandardError referenced in the logging module.
StandardError was removed in Python 3, and execution across this code path
generates a NameError:
File "/home/matt/src/cpython/Lib/logging/__init__.py", line 291, in __in
Matt Joiner added the comment:
The patches only fix write? What about read?
http://bugs.python.org/issue13858
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New submission from Matt Joiner :
_io._IOBase.readline doesn't seem to like _io.FileIO.read returning None, which
occurs when it's unbuffered and nonblocking. (Modules/_io/fileio.c:745 in
trunk). Can this be handled some other way?
$ python3.3
Python 3.3.0a0 (default:fb0f4fe8123
Changes by Matt Joiner :
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resolution: works for me ->
status: languishing -> open
versions: +Python 3.4
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New submission from Matt Joiner :
Frequently when profiling multiple threads, I need to combine several dump stat
files. Currently -m pstats reads the profiling data at only the first path
given. It should merge all the profiling data from all the paths given.
$ python3.3 -m pstats prof/5506
New submission from Matt Joiner :
The navigation region at http://docs.python.org/dev/ should list "Other
versions" instead of "Old versions" as the in development docs are also
available here.
Docs for other versions
Python 2.7 (stable)
Python 3.2 (stable)
Old
Matt Joiner added the comment:
I don't believe it is. dispatcher.addr is only set if the connection is
immediately established. It's set explicitly in dispatcher.__init__ if a socket
is provided that is already connected. It's *not* set after a connection
completes.
There are
New submission from Matt Joiner :
Patch attached
--
components: Library (Lib)
files: dispatcher_connect_addr.patch
keywords: patch
messages: 150449
nosy: anacrolix
priority: normal
severity: normal
status: open
title: asynchronous connect in asyncore.dispatcher does not set addr
type
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Matt Joiner added the comment:
Also affects 3.3.
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New submission from Matt Joiner :
os.fstat doesn't not accept an object with the fileno() method.
Probably a bunch of other similar functions will not either.
In some parts of the standard library it's common practice to call
PyObject_AsFileDescriptor on fd-wrapping argume
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New submission from Matt Joiner :
The uuid.uuid4 function is not tested if a C system routine is not present,
despite that uuid4 has several fallback clauses. This patch will test at least
the first fallback.
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components: Library (Lib)
files: uuid4-test-no-system-routine
Matt Joiner added the comment:
Why can't pipes.quote can't be moved to shlex.quote verbatim as I originally
proposed?
Is there justification to also change it as part of the relocation? I think any
changes to its behaviour should be a sepa
Matt Joiner added the comment:
I didn't notice there was no use of errno. It's quite possible that dlopen
might be used without the C library present, so perhaps this is why it wasn't
included. The error strings however are very C-like, which made me think of
this in the firs
Matt Joiner added the comment:
Should I just submit a patch for this myself? Can someone confirm the behaviour
is incorrect so I don't waste time fixing it?
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New submission from Matt Joiner :
Here's a patch that fixes it.
--
components: Library (Lib)
files: exception-in-profile.patch
keywords: patch
messages: 141591
nosy: anacrolix
priority: normal
severity: normal
status: open
title: profile does not dump stats on exception like cPr
New submission from Matt Joiner :
>>> from threading import *
>>> ThreadError
Traceback (most recent call last):
File "", line 1, in
NameError: name 'ThreadError' is not defined
--
components: Library (Lib)
files: export-thread-error.patch
New submission from Matt Joiner :
>>> a = subprocess.Popen(['cat', '/path/to/text.ini'], stdout=subprocess.PIPE,
>>> universal_newlines=True)
>>> b = configparser.ConfigParser()
>>> b.read_file(a.stdout)
Traceback (most recent call last)
Matt Joiner added the comment:
This version is fixed for me:
$ ./python
Python 3.3.0a0 (default:7520f1bf0a81, Jul 18 2011, 17:12:12)
[GCC 4.1.2 20070115 (SUSE Linux)] on linux2
--
versions: +Python 3.2
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Matt Joiner added the comment:
Feel like a total noob: Where do I get the latest source? I can't find any
pre-release tarballs for 3.3, and the suggested py3k checkout doesn't work: $
hg clone http://hg.python.org/cpython#py3k py3k
abort: unknown revi
Matt Joiner added the comment:
I get this on Linux with ^D
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Matt Joiner added the comment:
What's the status of this bug? This is a very useful feature, I've had to use
and add bindings to monotonic times for numerous applications. Can it make it
into 3.3?
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New submission from Matt Joiner :
The smptlib module's __main__ doesn't flush stdout when prompting:
sys.stdout.write(prompt + ": ")
return sys.stdin.readline().strip()
stdout is usually line buffered, and so running python3 smptlib.py doesn't
actua
New submission from Matt Joiner :
Given there is no ! operator in Python, I next tried ~ (despite that I'm after
a logical not). This came as a surprise:
>>> bool(~True)
True
>>> bool(~False)
True
>>> bool(~~False)
False
>>> ~True, ~~True, ~Fa
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