Changes by Antoine Pitrou pit...@free.fr:
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nosy: +loewis
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Antoine Pitrou pit...@free.fr added the comment:
Releasing the GIL when calling C library functions (e.g. opendir()) is not a
requirement, it's just an optimization for slightly better multi-threading.
Also, as shown in the backtrace, PyGILState_Ensure() is called which should
only try to
Yinon Ehrlich yino...@users.sourceforge.net added the comment:
I saw this error in my scripts when using Python 2.5 on Ubuntu.
When imported trunk version instead of Python2.5 one, it disappeared.
So it's fixed in subprocess - def __del__
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nosy: +Yinon
Changes by Thomas Guettler guet...@thomas-guettler.de:
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nosy: +guettli
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http://bugs.python.org/issue5115
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Changes by Jeong-Min Lee false...@gmail.com:
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nosy: +falsetru
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Nikolaus Rath nikol...@rath.org added the comment:
In this simple example, FUSE does not fork and does not start any threads.
Note that PyGILState_Ensure() cannot do anything here. What happens is this:
- call_hello.py calls FUSE in a new thread, releasing the GIL.
- FUSE mounts the file
Antoine Pitrou pit...@free.fr added the comment:
Ah, thanks for the explanation. Yes indeed the patch looks ok for the
job. You should just be aware that similar problems may appear with
other system calls. I don't think we have ever considered that common C
calls such as opendir() could call
Nikolaus Rath nikol...@rath.org added the comment:
I have used both of them in the past, but in the end I wrote my own bindings
(currently only available as part of the http://code.google.com/p/s3ql source
code, but I intend to factor it out at some point),
since neither fuse.py
Changes by Mark Dickinson dicki...@gmail.com:
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nosy: +mark.dickinson
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Nikolaus Rath nikol...@rath.org added the comment:
On 01/20/2010 07:19 AM, Antoine Pitrou wrote:
Ah, thanks for the explanation. Yes indeed the patch looks ok for the
job. You should just be aware that similar problems may appear with
other system calls. I don't think we have ever considered
Antoine Pitrou pit...@free.fr added the comment:
Well, now that I know what to look for, tracking down more of these
problems should be significantly faster and easier. Are you generally
going to accept similar patches for other unprotected syscalls?
Until now the rule of thumb was to
New submission from Mark Dickinson dicki...@gmail.com:
1. Another potential crash caused by Python/dtoa.c: if the bigcomp
functionality is disabled by replacing #define STRTOD_DIGLIM 40 with #define
STRTOD_DIGLIM 4000, then the following string causes a crash:
s =
Changes by Eric Smith e...@trueblade.com:
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nosy: +eric.smith
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Mark Dickinson dicki...@gmail.com added the comment:
Okay, it's not that difficult to trigger (2). With the bigcomp functionality
disabled as above:
AssertionError: Incorrectly rounded str-float conversion for
Marcin Bachry hegel...@gmail.com added the comment:
Still, I'd be extremly grateful if someone could tell me the trick how
to create a backtrace in such a deadlock situation
Sorry, I should have mentioned that. In order to get backtrace you let the
process freeze, attach gdb to it (it will
Brian Curtin cur...@acm.org added the comment:
This was handled in r65241 as a result of #1819.
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nosy: +brian.curtin
resolution: - fixed
stage: - committed/rejected
status: open - closed
superseder: - Speed hack for function calls with named parameters
Changes by Ezio Melotti ezio.melo...@gmail.com:
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keywords: +needs review
stage: - patch review
versions: +Python 2.7 -Python 2.6
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New submission from Chris Lasher chris.las...@gmail.com:
Would it be possible to add an extra option to site.addsitedir so that it
left-appends (inserts at the beginning of the list rather than the end of the
list) to sys.path the new path?
The use case for this is that sometimes the user has
Chris Lasher chris.las...@gmail.com added the comment:
One correction: by beginning of sys.path, what I really mean is, the portion
of sys.path after the initial ''. I forgot that '', the empty path, should
always be at the start of sys.path to ensure that packages and modules in the
current
STINNER Victor victor.stin...@haypocalc.com added the comment:
I suspect that on Windows, TerminateJobObject won't work
with a handle returned by CreateProcess.
TerminateJobObject works with CreateJobObject and AssignProcessToJobObject. The
following code (from your patch) should call
Changes by Brian Curtin cur...@acm.org:
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keywords: +needs review
priority: - normal
stage: - test needed
type: - behavior
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STINNER Victor victor.stin...@haypocalc.com added the comment:
It appears that the stall happens due to time.strftime call, which internally
opens
a file ('/etc/localtime')
In the GNU libc, strftime() calls tzset() and tzset() uses a lock to be thread
safe. Yes, releasing the GIL before
STINNER Victor victor.stin...@haypocalc.com added the comment:
IOTest.test_destructor() is already fixed in Python trunk (future 2.7) by
r73394 (Issue #6215: backport the 3.1 io lib).
I don't think that it would be possible to backport the 3.1 io lib in Python
2.6. Would it possible to
Antoine Pitrou pit...@free.fr added the comment:
As discussed on python-dev, this patch should probably be rejected.
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STINNER Victor victor.stin...@haypocalc.com added the comment:
SimpleXMLRPCRequestHandler.do_POST() writes the traceback in the HTTP header
X-traceback. But an HTTP header value is ASCII only, whereas a traceback can
contain any character (eg. an non-ASCII character from a directory name for
Changes by STINNER Victor victor.stin...@haypocalc.com:
Removed file: http://bugs.python.org/file15954/unnamed
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STINNER Victor victor.stin...@haypocalc.com added the comment:
Here you have a patch releasing the GIL for the call to strftime().
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keywords: +patch
Added file: http://bugs.python.org/file15959/time_strftime_gil.patch
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STINNER Victor victor.stin...@haypocalc.com added the comment:
time_tzset() might also release the GIL, but:
- i hope that multithreaded programs don't call regulary tzset() in different
threads
- time_tzset() calls tzset() and inittimezone()
- inittimezone() modify the time module
Changes by Brian Curtin cur...@acm.org:
Removed file: http://bugs.python.org/file15265/issue4722_20091104_v1.patch
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Brian Curtin cur...@acm.org added the comment:
On Windows 7, I see the issue as both a regular user and one with admin
privileges. The patch (updated to fix tab/space difference) seems to do the
trick.
Gabriel, which OS are you on that this works differently based on the user
privileges?
STINNER Victor victor.stin...@haypocalc.com added the comment:
Marshaller.dump_string() encodes a byte string in string.../string using
the escape() function. A byte string can be encoded in base64 using
base64.../base64. It's described in the XML-RPC specification, but I don't
know if all
STINNER Victor victor.stin...@haypocalc.com added the comment:
Here is an example of patch using the following test:
all(32 = ord(byte) = 127 for byte in value)
I don't know how much slower is the patch, but at least it doesn't raise an
ExpatError: not well-formed (invalid token):
Steven Hartland steven.hartl...@multiplay.co.uk added the comment:
One thing that springs to mind is how valid is that when applied to utf8 data?
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STINNER Victor victor.stin...@haypocalc.com added the comment:
CGIHTTPServerTestCase creates .py files with sys.executable in a shebang:
-
cgi_file1 = \
#!%s
...
with open(self.file1_path, 'w') as file1:
file1.write(cgi_file1 % sys.executable)
-
The shebang have to be the first
STINNER Victor victor.stin...@haypocalc.com added the comment:
There are 2 different issues:
* doctest.DocTestRunner.report_failure() raise an unicode error if the source
line type is unicode: _failure_header() should convert the line to bytes using
ASCII with backslashreplace error handler
New submission from Justin Lebar star...@gmail.com:
At http://docs.python.org/3.1/library/itertools.html,
For instance, SML provides a tabulation tool: tabulate(f) which produces a
sequence f(0), f(1), But, this effect can be achieved in Python by
combining map() and count() to form
New submission from Adrian May adrian.alexander@gmail.com:
Hi folks,
The attached program says:
$ ./bug.py
a
None
b
Traceback (most recent call last):
File ./bug.py, line 49, in module
print number(s)
File ./bug.py, line 34, in foo
while eat != None:
UnboundLocalError: local
Ezio Melotti ezio.melo...@gmail.com added the comment:
This is not a bug, see
http://docs.python.org/faq/programming.html#why-am-i-getting-an-unboundlocalerror-when-the-variable-has-a-value
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nosy: +ezio.melotti
resolution: - invalid
stage: - committed/rejected
status: open - closed
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