Assignment Versus Equality
Rustom Mody
rustompmody at gmail.com
Tue Jun 28 02:09:32 EDT 2016
On Tuesday, June 28, 2016 at 11:12:59 AM UTC+5:30, Steven D'Aprano wrote:
> On Tuesday 28 June 2016 14:31, Rustom Mody wrote:
>
> > On Tuesday, June 28, 2016 at 6:36:06 AM UTC+5:30, Steven D'Aprano wrote:
> >> On Tue, 28 Jun 2016 12:23 am, Rustom Mody wrote:
> >> > Also how is GG deliberately downgrading clear unicode content to be kind
> >> > to obsolete clients at recipient end different from python 2 → 3 making
> >> > breaking changes but not going beyond ASCII lexemes?
> >>
> >> Oh yes, I completely agree, obviously GvR is literally worse than Hitler
> >> because he hasn't added a bunch of Unicode characters with poor support for
> >> input and worse support for output as essential syntactic elements to
> >> Python.
> >>
> >> /s
> >
> > Gratuitous Godwin acceleration produceth poor sarcasm -- try again
> > And while you are at it try and answer the parallel:
> > Unicode has a major pro and con
> > Pro: Its a superset and enormously richer than ASCII
>
> Correct.
>
> > Con: It is costly and implementations are spotty
>
> That's a matter of opinion. What do you mean by "spotty"?
We've had this conversation before.
Ive listed these spottinesses
See http://blog.languager.org/2015/03/whimsical-unicode.html
Specifically the section on ½-assed unicode support
>
> It seems to me that implementations are mostly pretty good, at least as good as
> Python 2 narrow builds. Support for astral characters is not as good, but
> (apart from some Han users, and a few specialist niches) not as import either.
>
> The big problem is poor tooling: fonts still have many missing characters, and
> editors don't make it easy to enter anything not visible on the keyboard.
>
>
> > GG downgrades posts containing unicode if it can, thereby increasing reach to
> > recipients with unicode-broken clients
>
> And how does that encourage clients to support Unicode? It just enables
> developers to tell themselves "It's just a few weirdos and foreigners who use
> Unicode, ASCII [by which they mean Latin 1] is good enough for everyone."
>
> Its 2016, and it is *way* past time that application developers stop pandering
> to legacy encodings by making them the default. If developers saw that 99% of
> emails were UTF-8, they would be less likely to think they could avoid learning
> about Unicode.
>
>
> > Likewise this:
> >
> >> a bunch of Unicode characters with poor support for
> >> input and worse support for output as essential syntactic elements to
> >> Python.
> >
> > sounds like the same logic applied to python
> >
> > JFTR I am not quarrelling with Guido's choices; just pointing out your
> > inconsistencies
>
> Oh, it's inconsistencies plural is it? So I have more than one? :-)
Here's one (below)
>
> In Python 3, source files are treated as UTF-8 by default. That means, if you
> want to use Unicode characters in your source code (for variable names,
> comments, or in strings) you can, and you don't have to declare a special
> encoding. Just save the file in an editor that defaults to UTF-8, and Python is
> satisfied. If, for some reason, you need some legacy encoding, you can still
> explicitly set it with a coding cookie at the top of the file.
>
> That behaviour is exactly analogous to my position that mail and news clients
> should default to UTF-8. But in neither case would people be *required* to
> include Unicode characters in their text.
Python2 had strings and unicode strings u"..."
Python3 has char-strings and byte-strings b"..." with the char-strings
uniformly spanning all of unicode.
Not just a significant change in implementation but in mindset
Yet the way you use Unicode in the sentence above implies that while you
*say* 'Unicode' you mean the set Unicode - ASCII which is exactly
Python2 mindset.
So which mindset do you subscribe to?
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