On Sep 10, 2:13 pm, Terry Reedy wrote:
> Reading the third paragraph out of context, one can miss the restriction
> to built-in objects. I had assumed that the conversion using len(), when
> available, happened prior to the __getitem__ call.
Yes, that's a common misconception. It is probably ba
[Ben Finney]
> I encourage anyone whose messages are munged like that to seek
> correction from their mail service provider, and switch to a different
> one until it's fixed.
The post was typed on a mobile device into the text window on Google
Groups.
It's too bad that inane concerns with newline
In article <87r5gz93sv@benfinney.id.au>,
Ben Finney wrote:
>Neil Hodgson writes:
>>
>> There appear to be deliberate wraps at sentence end or automatic wraps
>> to fit <80 columns.
>
>The automatic wraps in the code presented in the message are wrong. The
>automatic wraps in the bullet point
Neil Hodgson writes:
> There appear to be deliberate wraps at sentence end or automatic wraps
> to fit <80 columns.
The automatic wraps in the code presented in the message are wrong. The
automatic wraps in the bullet point list are, if not wrong, at least
presumably unintended.
I hope that cle
On 10Sep2010 12:46, Daniel Fetchinson wrote:
| > Raymond Hettinger writes:
| >> It doesn't seem to be common knowledge when and how a[x] gets
| >> translated to a[x+len(x)]. So, here's a short info post on how Python
| >> supports negative indices for sequences.
| >
| > Thanks for this. Could yo
Ben Finney:
> For those who think the problem may be with the recipient's software, I
> see the same annoying line-wrapping problems in the archived message
> http://mail.python.org/pipermail/python-list/2010-September/1255167.html>.
That looks well-formatted to me and just the same as I see i
In article <87vd6d84f7@benfinney.id.au>,
Ben Finney wrote:
>Ben Finney writes:
>> Raymond Hettinger writes:
>>>
>>> It doesn't seem to be common knowledge when and how a[x] gets
>>> translated to a[x+len(x)]. So, here's a short info post on how
>>> Python supports negative indices for seque
Ben Finney writes:
> Raymond Hettinger writes:
>
> > It doesn't seem to be common knowledge when and how a[x] gets
> > translated to a[x+len(x)]. So, here's a short info post on how
> > Python supports negative indices for sequences.
>
> Thanks for this. Could you post your messages using a chan
In article ,
Daniel Fetchinson wrote:
>Attribution missing:
>>
>> I encourage anyone whose messages are munged like that to seek
>> correction from their mail service provider, and switch to a different
>> one until it's fixed.
>
>I encourage anyone who has problems with reading various emails,
>
On 9/9/2010 9:37 PM, Raymond Hettinger wrote:
The docs guarantee that Python's builtin sequences implement support
for negative indices (
http://docs.python.org/dev/reference/expressions.html#subscriptions
The relevant paragraphs are
"
For built-in objects, there are two types of objects that
> Raymond Hettinger writes:
>
>> It doesn't seem to be common knowledge when and how a[x] gets
>> translated to a[x+len(x)]. So, here's a short info post on how Python
>> supports negative indices for sequences.
>
> Thanks for this. Could you post your messages using a channel that
> doesn't arbi
On Thu, 09 Sep 2010 18:37:49 -0700, Raymond Hettinger wrote:
> Hello Folks.
>
> It doesn't seem to be common knowledge when and how a[x] gets translated
> to a[x+len(x)]. So, here's a short info post on how Python supports
> negative indices for sequences.
[...]
> Hope you all found this to be i
Ben Finney writes:
> Raymond Hettinger writes:
>
>> It doesn't seem to be common knowledge when and how a[x] gets
>> translated to a[x+len(x)]. So, here's a short info post on how Python
>> supports negative indices for sequences.
>
> Thanks for this. Could you post your messages using a channe
Raymond Hettinger wrote:
> collections.deque('abcde').__getitem__[-2] # extension class, magic
> method
Small nit: You don't mean [square] brackets here, right?
Otherwise, good posting, thank you!
Uli
--
Sator Laser GmbH
Geschäftsführer: Thorsten Föcking, Amtsgericht Hamburg HR B62 932
--
h
Mark Tolonen:
> It came across fine for me (on much maligned Outlook Express, no less).
Yes, looks fine to me both in Thunderbird (news, not mailing list)
and at Google Groups. There is a single text part with all lines except
an URL easily within 80 columns. Perhaps there is a problem in Ben'
"Ben Finney" wrote in message
news:874ody9w3v@benfinney.id.au...
Raymond Hettinger writes:
It doesn't seem to be common knowledge when and how a[x] gets
translated to a[x+len(x)]. So, here's a short info post on how Python
supports negative indices for sequences.
Thanks for this. Cou
Raymond Hettinger writes:
> It doesn't seem to be common knowledge when and how a[x] gets
> translated to a[x+len(x)]. So, here's a short info post on how Python
> supports negative indices for sequences.
Thanks for this. Could you post your messages using a channel that
doesn't arbitrarily spl
Hello Folks.
It doesn't seem to be common knowledge when and how a[x] gets
translated to a[x+len(x)]. So, here's a short info post on how Python
supports negative indices for sequences.
I've put the answer below, but if you want to quickly test your own
knowledge, ask yourself which of these sup
On 7/30/2010 2:16 PM, Mahmood Naderan wrote:
So is it a compiler or interpreter?
Python is a language. It does not 'work' in the sense of your subject
line. CPython is a Python compiler/interpreter, as described. When
loaded, it may be named python.exe, depending on system and
installation.
quot;interprets" the byte code.
>So, it's an interpreter that compiles the code first.
Thanks. I got it.
// Naderan *Mahmood;
From: Stephen Hansen
To: python-list@python.org
Sent: Fri, July 30, 2010 11:13:27 PM
Subject: Re: how python works
On
On 7/30/10 11:16 AM, Mahmood Naderan wrote:
> So is it a compiler or interpreter?
Neither/both, depending on your definition of either word. It does not
compile to machine code: it compiles to byte code (which it then
usually, but not always, stores in a pyc file alongside the py file). It
does no
Mahmood Naderan writes:
> So is it a compiler or interpreter?
There's a compiler that compiles python to bytecode which is then
interpreted. This saves the interpreter from having to re-parse the
code at run time.
So, it's an interpreter that compiles the code first.
--
Burton Samograd
--
So is it a compiler or interpreter?
// Naderan *Mahmood;
From: Burton Samograd
To: python-list@python.org
Sent: Fri, July 30, 2010 10:36:56 PM
Subject: Re: how python works
Mahmood Naderan writes:
> I want to know how python executes a .py file. Someti
Mahmood Naderan writes:
> I want to know how python executes a .py file. Sometimes when I run a
> file, I get an error that there is a syntax error. This shows that the
> parser read and parse the whole file. Sometimes in the middle of the
> run I get an error that another line has problem. So ho
I want to know how python executes a .py file. Sometimes when I run a file, I
get an error that there is a syntax error. This shows that the parser read and
parse the whole file. Sometimes in the middle of the run I get an error
that another line has problem. So how does it work? if it doesn't c
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