Re: the meaning of rユ.......ï¾

2012-07-25 Thread Steven D'Aprano
On Wed, 25 Jul 2012 13:07:03 +1000, Ben Finney wrote: Maarten maarten.sn...@knmi.nl writes: You just missed it: 22/7 Which is appropriate, since 22/7 misses π by a wide margin. (355/113 is my favourite approximation to π, and is far more accurate.) Approximation? Pffft. I use the exact

Re: Python 2.6 StreamReader.readline()

2012-07-25 Thread Ulrich Eckhardt
Am 24.07.2012 17:01, schrieb cpppw...@gmail.com: reader = codecs.getreader(encoding) lines = [] with open(filename, 'rb') as f: lines = reader(f, 'strict').readlines(keepends=False) where encoding == 'utf-16-be' Everything works fine, except that lines[0] is equal to

Re: the meaning of rユ.......ï¾

2012-07-25 Thread Mark Lawrence
On 25/07/2012 07:07, Steven D'Aprano wrote: On Wed, 25 Jul 2012 13:07:03 +1000, Ben Finney wrote: Maarten maarten.sn...@knmi.nl writes: You just missed it: 22/7 Which is appropriate, since 22/7 misses π by a wide margin. (355/113 is my favourite approximation to π, and is far more

Re: the meaning of rユ.......ï¾

2012-07-25 Thread Ben Finney
Mark Lawrence breamore...@yahoo.co.uk writes: Any civil engineers reading this who would find 22/7 perfectly adequate for their task? Civil engineering? Pffft, that deals with only a few orders of magnitude range at most. “π is roughly 3” is usually good enough in that arena :-) -- \

Re: the meaning of rユ.......ï¾

2012-07-25 Thread Mark Lawrence
On 25/07/2012 07:43, Ben Finney wrote: Mark Lawrence breamore...@yahoo.co.uk writes: Any civil engineers reading this who would find 22/7 perfectly adequate for their task? Civil engineering? Pffft, that deals with only a few orders of magnitude range at most. “π is roughly 3” is usually

from future import pass_function

2012-07-25 Thread Ulrich Eckhardt
Hi! I just had an idea, it occurred to me that the pass statement is pretty similar to the print statement, and similarly to the print() function, there could be a pass() function that does and returns nothing. Example: def pass(): return try: do_something() except:

Re: Python 2.6 StreamReader.readline()

2012-07-25 Thread Walter Dörwald
On 25.07.12 08:09, Ulrich Eckhardt wrote: Am 24.07.2012 17:01, schrieb cpppw...@gmail.com: reader = codecs.getreader(encoding) lines = [] with open(filename, 'rb') as f: lines = reader(f, 'strict').readlines(keepends=False) where encoding == 'utf-16-be' Everything

Re: Python 2.6 StreamReader.readline()

2012-07-25 Thread wxjmfauth
On Wednesday, July 25, 2012 11:02:01 AM UTC+2, Walter Dörwald wrote: On 25.07.12 08:09, Ulrich Eckhardt wrote: gt; Am 24.07.2012 17:01, schrieb cpppw...@gmail.com: gt;gt; reader = codecs.getreader(encoding) gt;gt; lines = [] gt;gt; with open(filename, #39;rb#39;) as f:

Re: from future import pass_function

2012-07-25 Thread Philipp Hagemeister
Unlike the print statement, pass has no overboarding complexity (like , printing tuples, etc.) - it just serves as a marker (and practicality beats purity). And you don't ever want to use pass as a value (say, for map() or the right side of an assignment). In fact, if pass were a function, users

Re: from future import pass_function

2012-07-25 Thread Nicholas Cole
On Wed, Jul 25, 2012 at 9:40 AM, Ulrich Eckhardt ulrich.eckha...@dominolaser.com wrote: What do you think? I enjoyed the question, but actually I don't think this is a good idea. 1. If you really needed something like this, you could define it easily. def do_nothing(*args, **keywords):

Re: reloading code and multiprocessing

2012-07-25 Thread andrea crotti
2012/7/23 Chris Angelico ros...@gmail.com: That would probably be correct. However, I still think you may be fighting against the language instead of playing to its strengths. I've never fiddled with sys.modules like that, but I know some have, without problem. ChrisA --

Re: from future import pass_function

2012-07-25 Thread Devin Jeanpierre
On Wed, Jul 25, 2012 at 4:40 AM, Ulrich Eckhardt ulrich.eckha...@dominolaser.com wrote: What do you think? retort: def foo(): None -- Devin -- http://mail.python.org/mailman/listinfo/python-list

catch UnicodeDecodeError

2012-07-25 Thread jaroslav . dobrek
Hello, very often I have the following problem: I write a program that processes many files which it assumes to be encoded in utf-8. Then, some day, I there is a non-utf-8 character in one of several hundred or thousand (new) files. The program exits with an error message like this:

Re: from future import pass_function

2012-07-25 Thread Steven D'Aprano
On Wed, 25 Jul 2012 10:40:45 +0200, Ulrich Eckhardt wrote: Hi! I just had an idea, it occurred to me that the pass statement is pretty similar to the print statement, [...] try: do_something() except: pass() What's the point of this? If you intend to do nothing,

Re: catch UnicodeDecodeError

2012-07-25 Thread Andrew Berg
On 7/25/2012 6:05 AM, jaroslav.dob...@gmail.com wrote: What I really want to do is use something like try: # open file, read line, or do something else, I don't care except UnicodeDecodeError: sys.exit(Found a bad char in file + file + line + str(line_number) Yet, no matter

Re: catch UnicodeDecodeError

2012-07-25 Thread Philipp Hagemeister
Hi Jaroslav, you can catch a UnicodeDecodeError just like any other exception. Can you provide a full example program that shows your problem? This works fine on my system: import sys open('tmp', 'wb').write(b'\xff\xff') try: buf = open('tmp', 'rb').read() buf.decode('utf-8') except

Re: catch UnicodeDecodeError

2012-07-25 Thread jaroslav . dobrek
On Wednesday, July 25, 2012 1:35:09 PM UTC+2, Philipp Hagemeister wrote: Hi Jaroslav, you can catch a UnicodeDecodeError just like any other exception. Can you provide a full example program that shows your problem? This works fine on my system: import sys open(#39;tmp#39;,

Dumping all the sql statements as backup

2012-07-25 Thread andrea crotti
I have some long running processes that do very long simulations which at the end need to write things on a database. At the moment sometimes there are network problems and we end up with half the data on the database. The half-data problem is probably solved easily with sessions and sqlalchemy

Re: Dumping all the sql statements as backup

2012-07-25 Thread Jack
On 07/25/2012 09:56 AM, andrea crotti wrote: I have some long running processes that do very long simulations which at the end need to write things on a database. At the moment sometimes there are network problems and we end up with half the data on the database. The half-data problem is

Re: Dumping all the sql statements as backup

2012-07-25 Thread andrea crotti
2012/7/25 Jack tdl...@gmail.com Since you know the content of what the sql code is, why not just build the sql file(s) needed and store them so that in case of a burp you can just execute the code file. If you don't know the exact sql code, dump it to a file as the statements are

Re: HMM and CRF Package

2012-07-25 Thread subhabangalore
On Tuesday, July 24, 2012 9:09:02 PM UTC+5:30, (unknown) wrote: Dear Group, I was looking for the following solutions. (i) a Python Hidden Markov Model(HMM) library. (ii)a Python Conditional Random Field(CRF) library. (iii) I am using Python 3.2.1 on Windows 7(64 bit) and also like to get

Re: from future import pass_function

2012-07-25 Thread Chris Angelico
On Wed, Jul 25, 2012 at 6:40 PM, Ulrich Eckhardt ulrich.eckha...@dominolaser.com wrote: I just had an idea, it occurred to me that the pass statement is pretty similar to the print statement, and similarly to the print() function, there could be a pass() function that does and returns nothing.

Re: from future import pass_function

2012-07-25 Thread Ethan Furman
Ulrich Eckhardt wrote: I just had an idea, it occurred to me that the pass statement is pretty similar to the print statement, and similarly to the print() function, there could be a pass() function that does and returns nothing. Example: def pass(): return try:

Re: from future import pass_function

2012-07-25 Thread Devin Jeanpierre
On Wed, Jul 25, 2012 at 12:05 PM, Chris Angelico ros...@gmail.com wrote: Simple way of making the iterator display its yielded result. I cannot imagine any circumstance in which you'd want to map pass over everything. But then, as Teresa said, I'm only one, and possibly I'm wrong! True. But

append in IMAP4 from imaplib very slow

2012-07-25 Thread Simon Pirschel
Hi, I'm currently experimenting with IMAP using Python 2.7.3 and IMAP4 from imaplib. I noticed the performance to be very bad. I read 5000 files from a directory and append them to an IMAP INBOX. The hole procedure of reading and appending is taking about 210 seconds. I set up the exact

Re: from future import pass_function

2012-07-25 Thread Ian Kelly
On Jul 25, 2012 10:51 AM, Devin Jeanpierre jeanpierr...@gmail.com wrote: True. But it might be nice to use pass both in lambdas and regular functions, or to use pass as a variable name. You can already use pass (or the equivalent) in a lambda. lambda: None --

Re: from future import pass_function

2012-07-25 Thread Devin Jeanpierre
On Wed, Jul 25, 2012 at 2:14 PM, Ian Kelly ian.g.ke...@gmail.com wrote: You can already use pass (or the equivalent) in a lambda. lambda: None This lacks my foolish consistency. -- Devin -- http://mail.python.org/mailman/listinfo/python-list

Re: catch UnicodeDecodeError

2012-07-25 Thread Dave Angel
On 07/25/2012 08:09 AM, jaroslav.dob...@gmail.com wrote: On Wednesday, July 25, 2012 1:35:09 PM UTC+2, Philipp Hagemeister wrote: Hi Jaroslav, you can catch a UnicodeDecodeError just like any other exception. Can you provide a full example program that shows your problem? This works fine on

Re: HMM and CRF Package

2012-07-25 Thread Terry Reedy
On 7/25/2012 11:58 AM, subhabangal...@gmail.com wrote: As most of the libraries give so many bindings and conditions best way is to make it. Not very tough, I made earlier, but as some files were lost so was thinking instead of a remake if ready versions work. Or may look change from Python 3

Re: append in IMAP4 from imaplib very slow

2012-07-25 Thread Antoine Pitrou
Simon Pirschel sp at abusix.org writes: Hi, I'm currently experimenting with IMAP using Python 2.7.3 and IMAP4 from imaplib. I noticed the performance to be very bad. I read 5000 files from a directory and append them to an IMAP INBOX. The hole procedure of reading and

Re: from future import pass_function

2012-07-25 Thread Ross Ridge
Ulrich Eckhardt wrote: I just had an idea, it occurred to me that the pass statement is pretty similar to the print statement, [...] try: do_something() except: pass() Steven D'Aprano steve+comp.lang.pyt...@pearwood.info wrote: What's the point of this? Remember

Re: append in IMAP4 from imaplib very slow

2012-07-25 Thread Tim Chase
On 07/25/12 12:47, Simon Pirschel wrote: I'm currently experimenting with IMAP using Python 2.7.3 and IMAP4 from imaplib. I noticed the performance to be very bad. I read 5000 files from a directory and append them to an IMAP INBOX. The hole procedure of reading and appending is taking about

Re: from future import pass_function

2012-07-25 Thread Ross Ridge
Steven D'Aprano steve+comp.lang.pyt...@pearwood.info wrote: What's the point of this? Ross Ridge wrote: Remember everything you've said about why its a good thing the that print statement is now a function? That. Steven D'Aprano steve+comp.lang.pyt...@pearwood.info wrote: I can't believe I

Re: from future import pass_function

2012-07-25 Thread Chris Angelico
On Thu, Jul 26, 2012 at 1:30 PM, Ross Ridge rri...@csclub.uwaterloo.ca wrote: Steven D'Aprano steve+comp.lang.pyt...@pearwood.info wrote: I can't believe I actually have to point this out explicitly, but pass is not print. Apart from them both starting with the letter P, they are nothing alike.

Re: from future import pass_function

2012-07-25 Thread Ross Ridge
Ross Ridge rri...@csclub.uwaterloo.ca wrote: No, they're very much alike. That's why all your arguments for print as function also apply just as well to pass a function. Your arguments had very little to do what what print actually did. Chris Angelico ros...@gmail.com wrote: Except that

Re: from future import pass_function

2012-07-25 Thread alex23
On Jul 26, 11:42 am, Ross Ridge rri...@csclub.uwaterloo.ca wrote: Remember everything you've said about why its a good thing the that print statement is now a function?  That. You regularly have the need to override the behaviour of pass? Are you _really_ saying you see no distinction between

Re: from future import pass_function

2012-07-25 Thread alex23
On Jul 26, 1:30 pm, Ross Ridge rri...@csclub.uwaterloo.ca wrote: No, they're very much alike. Repetition isn't evidence. You keep making this claim, so support it. That's why all your arguments for print as function also apply just as well to pass a function.  Your arguments had very little

Re: from future import pass_function

2012-07-25 Thread Ethan Furman
Ross Ridge wrote: Ross Ridge rri...@csclub.uwaterloo.ca wrote: No, they're very much alike. That's why all your arguments for print as function also apply just as well to pass a function. Your arguments had very little to do what what print actually did. Chris Angelico ros...@gmail.com

Re: from future import pass_function

2012-07-25 Thread Rusi
Ulrich: If you take a look at pep 3105 you find five rationales. http://www.python.org/dev/peps/pep-3105/#rationale If the first were the only one then your suggestion would have merit. There are also the other 4 in which pass and print dont really correspond. Steven wrote earlier: I have an

Re: from future import pass_function

2012-07-25 Thread Michael Hrivnak
If we want pass(), then why not break() and continue()? And also def() and class()? for(), while(), if(), with(), we can make them all callable objects! Except that they are control statements. They are not objects, they have no type, and they can never be evaluated in an expression. And most

ssl: add msg_callback

2012-07-25 Thread Thiébaud Weksteen
Hi python-list, I wrote a patch for Python 3.2.3 to expose the function SSL_CTX_set_msg_callback in the module _ssl. I was actually surprise this function was not already in the standard library as it is really handy: SSL_CTX_set_msg_callback() or SSL_set_msg_callback() can be used to define a

Re: ssl: add msg_callback

2012-07-25 Thread Chris Rebert
On Wed, Jul 25, 2012 at 8:47 PM, Thiébaud Weksteen thieb...@weksteen.fr wrote: Hi python-list, I wrote a patch for Python 3.2.3 to expose the function SSL_CTX_set_msg_callback in the module _ssl. I was actually surprise this function was not already in the standard library as it is really

[issue15444] Incorrectly writen contributor's names

2012-07-25 Thread Serhiy Storchaka
Serhiy Storchaka storch...@gmail.com added the comment: It seems to be the latter: Žiga Seilnacht Then Misc/ACKS should be corrected too. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue15444

[issue15444] Incorrectly writen contributor's names

2012-07-25 Thread Chris Jerdonek
Chris Jerdonek chris.jerdo...@gmail.com added the comment: Is there a reason not to correct that spelling in this issue? Otherwise, we could create a new issue. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue15444

[issue15439] Include Misc/ACKS names into the documentation

2012-07-25 Thread Martin v . Löwis
Martin v. Löwis mar...@v.loewis.de added the comment: I don't know how Doc ACKS is maintained, but I think the devguide is fine as it stands, whether or not Doc ACKS is preserved or not. People should put themselves into Misc/ACKS if they made a contribution, period. If people need to be

[issue15444] Incorrectly writen contributor's names

2012-07-25 Thread Martin v . Löwis
Martin v. Löwis mar...@v.loewis.de added the comment: There was a long-standing opposition by Guido to use UTF-8 in that file, and also complaints about legibility. Not sure what the current status is. It doesn't matter much to me, even though the spelling of my name is affected. --

[issue15445] Ability to do code injection via logging module configuration listener port.

2012-07-25 Thread STINNER Victor
Changes by STINNER Victor victor.stin...@gmail.com: -- nosy: +haypo ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue15445 ___ ___ Python-bugs-list

[issue15444] Incorrectly written contributor's names

2012-07-25 Thread Serhiy Storchaka
Serhiy Storchaka storch...@gmail.com added the comment: Well, here is updated patch. Also fixed names of Walter Dörwald (was Walter D�rwald) and Martin von Löwis in Misc/HISTORY. All changed files (documentation, ACK-files, Misc/HISTORY) already in UTF-8 and contains non-ASCII names. Löwis

[issue15443] datetime module has no support for nanoseconds

2012-07-25 Thread STINNER Victor
STINNER Victor victor.stin...@gmail.com added the comment: See the PEP 410. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue15443 ___ ___

[issue15441] test_posixpath fails on Japanese edition of Windows

2012-07-25 Thread STINNER Victor
STINNER Victor victor.stin...@gmail.com added the comment: The following change is a major change on how Python handles undecodable filenames on Windows: -return PyUnicode_DecodeMBCS(s, size, NULL); +return PyUnicode_DecodeMBCS(s, size, surrogateescape); I disagree with this change,

[issue15402] Correct __sizeof__ support for struct

2012-07-25 Thread Mark Dickinson
Mark Dickinson dicki...@gmail.com added the comment: [Martin] The patch that Meador committed is incorrect: METH_NOARGS functions still take a PyObject* args argument, which will be NULL. Hmm. I see this usage in a lot of places---e.g. see unicode_capitalize, unicode_casefold, unicode_title

[issue15443] datetime module has no support for nanoseconds

2012-07-25 Thread Marc-Andre Lemburg
Marc-Andre Lemburg m...@egenix.com added the comment: Vincenzo Ampolo wrote: Vincenzo Ampolo vincenzo.amp...@gmail.com added the comment: This is a real use case I'm working with that needs nanosecond precision and lead me in submitting this request: most OSes let users capture network

[issue15441] test_posixpath fails on Japanese edition of Windows

2012-07-25 Thread STINNER Victor
STINNER Victor victor.stin...@gmail.com added the comment: If a file name was invalid byte character, os.chdir() raises UnicodeDecodeError() instead of WindowsError. I realized that the problem is in the error handling: raising the OSError fails with a UnicodeDecodeError because

[issue15441] test_posixpath fails on Japanese edition of Windows

2012-07-25 Thread Atsuo Ishimoto
Atsuo Ishimoto ishim...@gembook.org added the comment: Yes, I know #13374, that's why I wrote This is a byte-api issue on Windows, so we may be able to simply skip this test. Do you think we need a patch to avoid UnicodeDecodeError raised? Or should we change test to skip this? --

[issue15444] Incorrectly written contributor's names

2012-07-25 Thread Marc-Andre Lemburg
Marc-Andre Lemburg m...@egenix.com added the comment: Thank you for taking the initiative. Regarding use of UTF-8 for text files: I think we ought to acknowledge that UTF-8 has become the defacto standard for non-ASCII text files by now and with Python 3 being all Unicode, it feels silly not

[issue15318] IDLE - sys.stdin is writeable

2012-07-25 Thread Roundup Robot
Roundup Robot devn...@psf.upfronthosting.co.za added the comment: New changeset a82fd35e28be by Martin v. Löwis in branch '3.2': Issue #15318: Prevent writing to sys.stdin. http://hg.python.org/cpython/rev/a82fd35e28be -- nosy: +python-dev ___ Python

[issue15318] IDLE - sys.stdin is writeable

2012-07-25 Thread Roundup Robot
Roundup Robot devn...@psf.upfronthosting.co.za added the comment: New changeset fa7d4ecc6357 by Martin v. Löwis in branch '2.7': Issue #15318: Prevent writing to sys.stdin. http://hg.python.org/cpython/rev/fa7d4ecc6357 -- ___ Python tracker

[issue15318] IDLE - sys.stdin is writeable

2012-07-25 Thread Martin v . Löwis
Changes by Martin v. Löwis mar...@v.loewis.de: -- resolution: - fixed status: open - closed ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue15318 ___

[issue15438] Incredible issue in math.pow

2012-07-25 Thread Mark Dickinson
Mark Dickinson dicki...@gmail.com added the comment: Agreed that this is at worst a doc issue. [Antoine] and in all honesty I don't know the difference between the ** operator and the built-in pow() function :-) None, as far as I know, apart from the pow function's ability to take a 3rd

[issue15402] Correct __sizeof__ support for struct

2012-07-25 Thread Martin v . Löwis
Martin v. Löwis mar...@v.loewis.de added the comment: I will happily fix it, but if it is wrong one place, then it is wrong everywhere. Yes, it is wrong everywhere. METH_NOARGS functions do take an args argument, see ceval.c:call_function. -- ___

[issue15402] Correct __sizeof__ support for struct

2012-07-25 Thread Martin v . Löwis
Martin v. Löwis mar...@v.loewis.de added the comment: Hmm. I see this usage in a lot of places---e.g. see unicode_capitalize, unicode_casefold, unicode_title etc. in Objects/unicodeobject.c. So it looks like we're relying on the (PyCFunction) cast to convert from a one-argument function

[issue15441] test_posixpath fails on Japanese edition of Windows

2012-07-25 Thread STINNER Victor
STINNER Victor victor.stin...@gmail.com added the comment: Do you think we need a patch to avoid UnicodeDecodeError raised? Or should we change test to skip this? It's a bug, the test should not be skipped. You should get an OSError because the chdir() failed, not an UnicodeDecodeError.

[issue15441] test_posixpath fails on Japanese edition of Windows

2012-07-25 Thread Martin v . Löwis
Martin v. Löwis mar...@v.loewis.de added the comment: As for your patch: you are missing the point of the test. The file name is assumed to be valid, despite it not being in the file system encoding. -- ___ Python tracker rep...@bugs.python.org

[issue15441] test_posixpath fails on Japanese edition of Windows

2012-07-25 Thread Martin v . Löwis
Martin v. Löwis mar...@v.loewis.de added the comment: IMO, it is ok to skip the test on Windows; it was apparently targeted for Unix. If we preserve it, we should pick a file name (on Windows) which is encodable in the file system encoding. -- ___

[issue7163] IDLE suppresses sys.stdout.write() return value

2012-07-25 Thread Roundup Robot
Roundup Robot devn...@psf.upfronthosting.co.za added the comment: New changeset f72965374b2a by Martin v. Löwis in branch '3.2': Issue #7163: Propagate return value of sys.stdout.write. http://hg.python.org/cpython/rev/f72965374b2a -- nosy: +python-dev

[issue7163] IDLE suppresses sys.stdout.write() return value

2012-07-25 Thread Martin v . Löwis
Martin v. Löwis mar...@v.loewis.de added the comment: Thanks for the patch! -- resolution: - fixed status: open - closed ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue7163 ___

[issue15446] Recursion SIGSEGV

2012-07-25 Thread Arseniy
New submission from Arseniy sen...@gmail.com: a=lambda:a print eval(a + () * 99) -- components: None messages: 166378 nosy: senyai priority: normal severity: normal status: open title: Recursion SIGSEGV type: crash versions: Python 2.7, Python 3.3

[issue15363] Idle/tkinter ~x.py 'save as' fails. closes idle

2012-07-25 Thread Martin v . Löwis
Martin v. Löwis mar...@v.loewis.de added the comment: I think this should apply to all systems, and I think the proper escaping is with ./, see TclpNativeSplitPath (in Tcl's source code). -- nosy: +loewis ___ Python tracker rep...@bugs.python.org

[issue15402] Correct __sizeof__ support for struct

2012-07-25 Thread Mark Dickinson
Mark Dickinson dicki...@gmail.com added the comment: The compiler has no chance to find out. You cast the pointer to PyCFunction, telling the compiler that it really is a PyCFunction. True; I was thinking that the compiler should have the necessary information to warn about the suspicious

[issue14930] Make memoryview weakrefable

2012-07-25 Thread Stefan Krah
Stefan Krah stefan-use...@bytereef.org added the comment: A quick question: Prior to this patch test_memoryview.py exercised both mbuf_clear() and memory_clear(). Now gcov shows no coverage. Is this expected? Is it still possible to construct tests that exercise the code? --

[issue15445] Ability to do code injection via logging module configuration listener port.

2012-07-25 Thread Vinay Sajip
Vinay Sajip vinay_sa...@yahoo.co.uk added the comment: I think it is sufficient for 2.7, 3.2 and 3.3 to just update the documentation, as Graham says, using note markup so that it stands out. I can look at ast.literal_eval as an option for 3.4. --

[issue15443] datetime module has no support for nanoseconds

2012-07-25 Thread Alexander Belopolsky
Alexander Belopolsky alexander.belopol...@gmail.com added the comment: On Wed, Jul 25, 2012 at 4:17 AM, Marc-Andre Lemburg rep...@bugs.python.org wrote: ... full C double precision for the time part of a timestamp, which covers nanoseconds just fine. No, it does not: import time t =

[issue15402] Correct __sizeof__ support for struct

2012-07-25 Thread Stefan Krah
Stefan Krah stefan-use...@bytereef.org added the comment: Everywhere is nowhere close to the truth. There are tons of NOARGS functions which have the correct signature. When I started writing C-extensions, I used the PyObject *unused idiom. Then I saw Meador's version in so many places in the

[issue15443] datetime module has no support for nanoseconds

2012-07-25 Thread Marc-Andre Lemburg
Marc-Andre Lemburg m...@egenix.com added the comment: Marc-Andre Lemburg wrote: Alexander Belopolsky alexander.belopol...@gmail.com added the comment: On Wed, Jul 25, 2012 at 4:17 AM, Marc-Andre Lemburg rep...@bugs.python.org wrote: ... full C double precision for the time part of a

[issue15446] Eval Recursion SIGSEGV

2012-07-25 Thread R. David Murray
Changes by R. David Murray rdmur...@bitdance.com: -- resolution: - duplicate stage: - committed/rejected status: open - closed superseder: - stack overflow evaluating eval(() * 3) title: Recursion SIGSEGV - Eval Recursion SIGSEGV ___ Python

[issue15443] datetime module has no support for nanoseconds

2012-07-25 Thread Marc-Andre Lemburg
Marc-Andre Lemburg m...@egenix.com added the comment: Alexander Belopolsky wrote: Alexander Belopolsky alexander.belopol...@gmail.com added the comment: On Wed, Jul 25, 2012 at 4:17 AM, Marc-Andre Lemburg rep...@bugs.python.org wrote: ... full C double precision for the time part of a

[issue15443] datetime module has no support for nanoseconds

2012-07-25 Thread Marc-Andre Lemburg
Marc-Andre Lemburg m...@egenix.com added the comment: [Roundup's email interface again...] x = 86400.0 x == x + 1e-9 False x == x + 1e-10 False x == x + 1e-11 False x == x + 1e-12 True -- ___ Python tracker rep...@bugs.python.org

[issue15402] Correct __sizeof__ support for struct

2012-07-25 Thread Jesús Cea Avión
Jesús Cea Avión j...@jcea.es added the comment: I think that C standard actually documents the parameter order placement, so you can left out the last ones in the actual function definition. So, that this is working is not an accident, it is a C standard requirement. I think... --

[issue15275] isinstance is called a more times that needed in ntpath

2012-07-25 Thread Ezio Melotti
Ezio Melotti ezio.melo...@gmail.com added the comment: I don't know about a decent way of doing benchmarks for the changes. Any recommendation? You could make a script that uses the timeit module. If this patch is applied I think it would be good to change posixpath too. I agree and I'd

[issue15402] Correct __sizeof__ support for struct

2012-07-25 Thread Martin v . Löwis
Martin v. Löwis mar...@v.loewis.de added the comment: Jesús: this is a (common) mistake. Standard C makes it undefined behavior to call a function with an incorrect number of arguments, see 6.5.2.2p9 # If the function is defined with a type that is not compatible with the # type (of the

[issue15447] A file is not properly closed by webbrowser._invoke

2012-07-25 Thread Anton Barkovsky
New submission from Anton Barkovsky swarmer...@gmail.com: webbrowser._invoke opens /dev/null, never closes it and a warning is printed. I'm attaching a patch. The diff looks messy, but I'm just wrapping the code in a try-finally block, the rest is just indented. -- components: Library

[issue15402] Correct __sizeof__ support for struct

2012-07-25 Thread Martin v . Löwis
Martin v. Löwis mar...@v.loewis.de added the comment: Stefan: not sure whether raising this to python-dev really helps; see also msg42177, msg58196, issue1648268, and msg75239. Feel free to raise it, though. -- ___ Python tracker

[issue15447] A file is not properly closed by webbrowser._invoke

2012-07-25 Thread R. David Murray
R. David Murray rdmur...@bitdance.com added the comment: Thanks. Is this warning printed by the webbrowser unit tests? If not can you see a way to add one that does? -- nosy: +r.david.murray ___ Python tracker rep...@bugs.python.org

[issue15447] A file is not properly closed by webbrowser._invoke

2012-07-25 Thread Anton Barkovsky
Anton Barkovsky swarmer...@gmail.com added the comment: The warning is printed by the file object when it closes itself in __del__: ResourceWarning: unclosed file _io.TextIOWrapper name='/dev/null' mode='r+' encoding='UTF-8' There isn't much to test, or is there? --

[issue15447] A file is not properly closed by webbrowser._invoke

2012-07-25 Thread Anton Barkovsky
Anton Barkovsky swarmer...@gmail.com added the comment: To clarify, I discovered this when I was simply running webbrowser.open in REPL. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue15447

[issue15447] A file is not properly closed by webbrowser._invoke

2012-07-25 Thread Ross Lagerwall
Ross Lagerwall rosslagerw...@gmail.com added the comment: Are there any webbrowser unit tests? (this could probably use the new subprocess.DEVNULL constant in 3.3) -- nosy: +rosslagerwall ___ Python tracker rep...@bugs.python.org

[issue15438] Incredible issue in math.pow

2012-07-25 Thread Ramchandra Apte
Ramchandra Apte maniandra...@gmail.com added the comment: [+1 for removing pow from the builtins and shunting three-argument pow to the math module in Python 500.] Me too. Anybody who uses pow with to arguments can use arg1**arg2 Anybody who uses pow with three is doing something

[issue15447] A file is not properly closed by webbrowser._invoke

2012-07-25 Thread R. David Murray
R. David Murray rdmur...@bitdance.com added the comment: @Anton: That's what I was guessing. If we had a unit test in test_webbrowser that did the same thing, we'd have seen the resource warning when running the tests and fixed it. However, it looks like there aren't *any* tests for

[issue12834] PyBuffer_ToContiguous() incorrect for non-contiguous arrays

2012-07-25 Thread Stefan Krah
Stefan Krah stefan-use...@bytereef.org added the comment: Here's a patch for 3.3, which consists mostly of tests. A couple of points: o I removed the len view-len check in PyBuffer_ToContiguous(), since the function is not documented and silently accepting output buffers that are too

[issue15447] A file is not properly closed by webbrowser._invoke

2012-07-25 Thread Anton Barkovsky
Anton Barkovsky swarmer...@gmail.com added the comment: Adding a patch that uses subprocess.DEVNULL instead. Writing tests for webbrowser should be a separate issue, right? -- Added file: http://bugs.python.org/file26513/fileclose_devnull.patch ___

[issue15438] Incredible issue in math.pow

2012-07-25 Thread Stefan Krah
Stefan Krah stefan-use...@bytereef.org added the comment: Ramchandra Apte rep...@bugs.python.org wrote: [+1 for removing pow from the builtins and shunting three-argument pow to the math module in Python 500.] Anybody who uses pow with three is doing something mathematical and has most

[issue15438] Incredible issue in math.pow

2012-07-25 Thread Mark Dickinson
Mark Dickinson dicki...@gmail.com added the comment: Wouldn't that reinforce the misconception that math is for arbitrary precision number theoretical functions? Perhaps. We already have math.factorial, though; adding math.powmod wouldn't seem so much of a stretch. Just to be clear, I'm

[issue15447] A file is not properly closed by webbrowser._invoke

2012-07-25 Thread R. David Murray
R. David Murray rdmur...@bitdance.com added the comment: You could do it either way. Normally we prefer to have a test along with any fix; in this case adding a test involves adding the test module as well, but it is not different in principle. If you want to work on it and prefer to have it

[issue15402] Correct __sizeof__ support for struct

2012-07-25 Thread Meador Inge
Meador Inge mead...@gmail.com added the comment: While looking this up in the C Standard (ISO/IEC 9899:TC3) I also noticed 6.3.2.3p8: A pointer to a function of one type may be converted to a pointer to a function of another type and back again; the result shall compare equal to the original

[issue14930] Make memoryview weakrefable

2012-07-25 Thread Richard Oudkerk
Richard Oudkerk shibt...@gmail.com added the comment: Is it possible that the use of test.support.gc_collect() in test_memoryview made the difference? -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue14930

[issue15444] Incorrectly written contributor's names

2012-07-25 Thread Chris Jerdonek
Chris Jerdonek chris.jerdo...@gmail.com added the comment: To be clear on this issue's scope, I would state in a single comment a white list of which directories or individual files are being corrected (or if necessary, the rules to determine such a list, e.g. any file whose name root is

[issue15444] Incorrectly written contributor's names

2012-07-25 Thread Ezio Melotti
Ezio Melotti ezio.melo...@gmail.com added the comment: Make sure that it's still possible to generate the pdf of the docs (with `make latex` and then `make all-pdf` in build/latex/). Latin1 should be fine, but IIRC non-latin1 will break (sorry Žiga). -- nosy: +ezio.melotti

[issue15439] Include Misc/ACKS names into the documentation

2012-07-25 Thread Ezio Melotti
Ezio Melotti ezio.melo...@gmail.com added the comment: FWIW including Misc/ACKS in the doc will probably break the generation of the pdf version of the doc, since it contains non-latin1 characters (see msg166408). I don't think it's necessary to include the names in the doc. I don't know

[issue15439] Include Misc/ACKS names into the documentation

2012-07-25 Thread Martin v . Löwis
Martin v. Löwis mar...@v.loewis.de added the comment: OK, I propose to completely drop the Doc/ACKS.txt from the documentation, and replace it with the words Many people have contributed to the Python language, the Python standard library, and the Python documentation. See Misc/ACKS in the

[issue15437] Merge Doc/ACKS.txt names into Misc/ACKS

2012-07-25 Thread Martin v . Löwis
Martin v. Löwis mar...@v.loewis.de added the comment: I don't think the docs should display Misc/ACKS. Instead, I propose the following wording Many people have contributed to the Python language, the Python standard library, and the Python documentation. See Misc/ACKS in the Python source

  1   2   >