Re: [Python-Dev] Raw string syntax inconsistency

2012-06-17 Thread Nick Coghlan
On Mon, Jun 18, 2012 at 3:59 PM, "Martin v. Löwis" wrote: > On 17.06.2012 22:41, Guido van Rossum wrote: >> Would it make sense to detect and reject these in 3.3 if the 2.7 syntax >> is used? > > Maybe we are talking about different things: The (new) proposal is that > the ur prefix in 3.3 is a sy

Re: [Python-Dev] Raw string syntax inconsistency

2012-06-17 Thread Terry Reedy
On 6/18/2012 2:06 AM, "Martin v. Löwis" wrote: Hm. I still encounter enough environments that don't know how to display such characters that I would prefer to have a rock solid \u escape mechanism. If you want to use them under the revised PEP 414, you will have to avoid making them raw, and j

Re: [Python-Dev] What's the best way to debug python3 source code?

2012-06-17 Thread Martin v. Löwis
> What's the best way to debug python3 source code? > To fix a bug i need to debug source code(C files). > I use gdb to debug. If the bug is presumably in C, then using gdb works fine for me. > But how can i get the exact file/point to fix the bug? As usual: set breakpoints and watch points. In

Re: [Python-Dev] Raw string syntax inconsistency

2012-06-17 Thread Martin v. Löwis
> But the whole point of the reintroduction of u"..." is to support code > that isn't run through 2to3. Frankly, I don't care how it's done, but > I'd say it's important not to silently have different behavior for the > same notation in the two versions. If that means we have to add an extra > step

Re: [Python-Dev] What's the best way to debug python3 source code?

2012-06-17 Thread Terry Reedy
On 6/18/2012 12:43 AM, gmspro wrote: What's the best way to debug python3 source code? ... The pydev list is for development *of* future python releases. For questions about development *with* current releases, please ask on python-list or other user oriented forums. -- Terry Jan Reedy

Re: [Python-Dev] Raw string syntax inconsistency

2012-06-17 Thread Terry Reedy
On 6/17/2012 9:07 PM, Guido van Rossum wrote: On Sun, Jun 17, 2012 at 4:55 PM, Nick Coghlan So, perhaps the answer is to leave this as is, and try to make 2to3 smart enough to detect such escapes and replace them with their properly encoded (according to the source code encoding) U

Re: [Python-Dev] Raw string syntax inconsistency

2012-06-17 Thread Martin v. Löwis
On 17.06.2012 22:41, Guido van Rossum wrote: > Would it make sense to detect and reject these in 3.3 if the 2.7 syntax > is used? Maybe we are talking about different things: The (new) proposal is that the ur prefix in 3.3 is a syntax error (again, as it was before PEP 414). So, yes: the raw unico

Re: [Python-Dev] Raw string syntax inconsistency

2012-06-17 Thread Stephen J. Turnbull
"Martin v. Löwis" writes: > (this reminds me of Germany's path wrt. nuclear power Yeah, except presumably Python won't be buying cheap "raw Unicode" support from Perl. ;-) ___ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailma

[Python-Dev] What's the best way to debug python3 source code?

2012-06-17 Thread gmspro
Hi, What's the best way to debug python3 source code? To fix a bug i need to debug source code(C files). I use gdb to debug. But how can i get the exact file/point to fix the bug? How can i know quickly where the bug is? How can i run python>>> from gdb and giving input there how can i test and d

Re: [Python-Dev] Raw string syntax inconsistency

2012-06-17 Thread MRAB
On 18/06/2012 00:55, Nick Coghlan wrote: On Mon, Jun 18, 2012 at 6:41 AM, Guido van Rossum wrote: Would it make sense to detect and reject these in 3.3 if the 2.7 syntax is used? Possibly - I'm trying not to actually *change* any of the internals of the string literal processing, though. (I

Re: [Python-Dev] Raw string syntax inconsistency

2012-06-17 Thread Guido van Rossum
On Sun, Jun 17, 2012 at 4:55 PM, Nick Coghlan wrote: > On Mon, Jun 18, 2012 at 6:41 AM, Guido van Rossum > wrote: > > Would it make sense to detect and reject these in 3.3 if the 2.7 syntax > is > > used? > > Possibly - I'm trying not to actually *change* any of the internals of > the string lit

Re: [Python-Dev] Raw string syntax inconsistency

2012-06-17 Thread Nick Coghlan
On Mon, Jun 18, 2012 at 6:41 AM, Guido van Rossum wrote: > Would it make sense to detect and reject these in 3.3 if the 2.7 syntax is > used? Possibly - I'm trying not to actually *change* any of the internals of the string literal processing, though. (If I recall the way we implemented the chang

Re: [Python-Dev] Raw string syntax inconsistency

2012-06-17 Thread Guido van Rossum
Would it make sense to detect and reject these in 3.3 if the 2.7 syntax is used? --Guido van Rossum (sent from Android phone) On Jun 17, 2012 1:13 PM, "Nick Coghlan" wrote: > On Mon, Jun 18, 2012 at 3:54 AM, Terry Reedy wrote: > > The premise of the discussion of adding 'u', and of Guido's acce

Re: [Python-Dev] Raw string syntax inconsistency

2012-06-17 Thread Nick Coghlan
On Mon, Jun 18, 2012 at 3:54 AM, Terry Reedy wrote: > The premise of the discussion of adding 'u', and of Guido's acceptance, was > that "it's about as harmless as they come". I do not remember any discussion > of 'ur' and what it really means in 2.x, and that supporting it meant adding > back 2.x

Re: [Python-Dev] Raw string syntax inconsistency

2012-06-17 Thread Terry Reedy
On 6/17/2012 10:59 AM, "Martin v. Löwis" wrote: So, while PEP 414 will allow u"" to run unmodified, ur"" will still need to be changed to something else, because that partially escaped behaviour isn't available in 3.x and we don't want to reintroduce it. Given that the PEP currently explicitly

Re: [Python-Dev] Raw string syntax inconsistency

2012-06-17 Thread Martin v. Löwis
> So, while PEP 414 will allow u"" to run unmodified, ur"" will still > need to be changed to something else, because that partially escaped > behaviour isn't available in 3.x and we don't want to reintroduce it. Given that the PEP currently explicitly supports ur, I think the reversal of the reve

Re: [Python-Dev] [Python-checkins] cpython: Improve an internal ipaddress test, add a comment explaining why treating

2012-06-17 Thread Nadeem Vawda
On Sun, Jun 17, 2012 at 8:33 AM, nick.coghlan wrote: > +    @property > +    def version(self): > +        msg = '%200s has no version specified' % (type(self),) > +        raise NotImplementedError(msg) > + Shouldn't that be "%.200s", rather than "%200s"?

Re: [Python-Dev] Raw string syntax inconsistency

2012-06-17 Thread Nick Coghlan
On Sun, Jun 17, 2012 at 9:45 PM, Christian Heimes wrote: > Hello, > > the topic came up on the python-users list today. The raw string syntax > has a minor inconsistency. The ru"" notation is a syntax error although > we support rb"". Neither rb"" nor ru"" are supported on Python 2.7. > > Python 3

[Python-Dev] Raw string syntax inconsistency

2012-06-17 Thread Christian Heimes
Hello, the topic came up on the python-users list today. The raw string syntax has a minor inconsistency. The ru"" notation is a syntax error although we support rb"". Neither rb"" nor ru"" are supported on Python 2.7. Python 3.3: works: r"", ur"", br"", rb"" syntax error: ru"" Python 2.7:

Re: [Python-Dev] VS 11 Express is Metro only.

2012-06-17 Thread Martin v. Löwis
> Microsoft is now claiming that it will be able to using something called > "multi-targeting", "later this year. > > http://blogs.msdn.com/b/vcblog/archive/2012/06/15/10320645.aspx Interesting. Unlike the re-addition of desktop app support for Express, which was a purely political decision,

Re: [Python-Dev] [Python-checkins] cpython: Elaborate that sizeof only accounts for the object itself.

2012-06-17 Thread Eli Bendersky
On Sun, Jun 17, 2012 at 11:42 AM, martin.v.loewis < python-check...@python.org> wrote: > http://hg.python.org/cpython/rev/cddaf96c8149 > changeset: 77484:cddaf96c8149 > parent: 77482:1f6c23ed8218 > user:Martin v. Löwis > date:Sun Jun 17 10:40:16 2012 +0200 > summary: > Ela