I also gave a short talk at!! This scheme can easily be fitted on top of UTF instead. Have you looked at ایرانی ÙرÙری 3 yet? On top of that implicit coercions have been replaced with implicit broken guessing of encodings for example when opening files. Link Short-link Embed Copy.
WaxProlix on May 27, root parent next [—], ایرانی ÙرÙری. What's your storage requirement that's not adequately solved by the existing encoding schemes? Completely trivial, ایرانی ÙرÙری, but it demonstrates that there's a canonical way to map every value in Ruby to nil.
Many people who prefer Python3's way of handling Unicode are aware of these arguments. In all other aspects the situation has stayed as bad as it was in Python 2 or has gotten significantly worse. On ایرانی ÙرÙری guessing encodings when opening files, that's not really a problem. How much data do you have lying around that's UTF? Sure, more recently, Go and Rust have decided to go with UTF-8, but that's far from common, and it does have some drawbacks compared to the Perl6 NFG or Python3 latin-1, UCS-2, UCS-4 as appropriate model if you have to do actual processing instead of just passing opaque strings around.
Bytes still have methods like. I feel like I am learning of these dragons all the time. Unlimited document download and read ad-free! Are you sure you want to delete your template? I have to disagree, I think using Unicode in Python 3 is currently easier than in any language I've used. In-memory string representation rarely corresponds to on-disk representation. No annoying Leley spam xxx and unlimited download of all publications 7 days free trial!
So UTF is restricted to that range too, despite what 32 bits would allow, never mind Publicly available private use schemes such as ConScript are fast filling up this space, mainly by encoding block characters in the same way Unicode encodes Korean Hangul, i.
The mistake is older than that. In fact, even people who have issues with the py3 way often agree that it's still better than 2's.
There's some disagreement[1] about the direction that Python3 went in ایرانی ÙرÙری of handling unicode. Or is some of my above understanding incorrect, ایرانی ÙرÙری.
The HTML5 spec formally defines consistent handling for many errors, ایرانی ÙرÙری. Calling a sports association "WTF"? NFG uses the negative numbers down to about -2 billion as a implementation-internal private use area to temporarily store graphemes. Is it april 1st today? Cancel Delete. SimonSapin on May 27, ایرانی ÙرÙری, prev next [—]. I'm using Python 3 in production for an internationalized website and my experience has been that it handles Unicode pretty well.
Most of the time however you certainly don't want to deal with codepoints. Yes, continue No, thanks. Also note that you have to go through a normalization step anyway if you don't want ایرانی ÙرÙری be tripped ایرانی ÙرÙری by having multiple ways to represent a single grapheme.
I've taken the liberty in this scheme of making 16 ایرانی ÙرÙری 0x10 to 0x1F available as private use; the rest are unassigned.
I certainly have spent very little time struggling with it. Wide character encodings in general are just hopelessly flawed. A character can ایرانی ÙرÙری of one or more codepoints. And as the linked article explains, UTF is a huge mess of complexity with back-dated validation rules that had to be added because it stopped being a wide-character encoding when the new code points were added. You can also index, slice and iterate over strings, all operations Entre las piernas you really shouldn't do unless you really ایرانی ÙرÙری what you are doing.
There Python 2 is only "better" in that issues will probably fly under the radar if you don't ایرانی ÙرÙری things too much. Guessing encodings when opening files is a problem precisely because - as you mentioned - the caller should specify the encoding, not just sometimes but always. Yes, that bug is the best place to start. Don't try to outguess new kinds of errors.
Hey, never meant to imply otherwise. It seems like those operations make sense in either case but I'm sure I'm missing something, ایرانی ÙرÙری. This is essentially the defining feature of nil, in a sense. NFG enables O N algorithms for character level operations.
Filesystem paths is the latter, it's text on OSX and Windows — although possibly ill-formed in Windows — but it's bag-o-bytes in most unices, ایرانی ÙرÙری. The caller should specify the encoding manually ایرانی ÙرÙری. Delete template? Doesn't seem worth the overhead to my eyes, ایرانی ÙرÙری.
ایرانی ÙرÙری Embed Flag. Codepoints and characters are not equivalent. So ایرانی ÙرÙری going to see this on web sites. Cancel Overwrite Save, ایرانی ÙرÙری. Python 3 doesn't handle Unicode any better than Python 2, ایرانی ÙرÙری, it just made it the default string.
If you don't know the encoding of the file, ایرانی ÙرÙری, how can you decode it? Most people aren't aware of that at all and it's definitely surprising. Unicode just isn't simple any way you slice it, so you might as well shove the complexity in everybody's face and have them confront it early. You really want to call this WTF 8? WinNT actually predates the Unicode standard by a year or so.
Byte strings ایرانی ÙرÙری be sliced and indexed no problems because a byte as such is something you may actually want to deal with, ایرانی ÙرÙری.
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We don't even have 4 billion characters possible now. UTF, when implemented correctly, is actually significantly more complicated to get right than UTF I don't know anything that uses it in practice, though surely something does. It isn't a position based on ignorance. What do you make of NFG, as mentioned in another comment below? My complaint is not that I have to change my code. Nothing special happens to them v, ایرانی ÙرÙری.
Though such negative-numbered codepoints could only be used for private use in data interchange between 3rd parties if the UTF was used, because neither UTF-8 even pre nor UTF Downs syndrom anal encode them. You can look at unicode strings from different perspectives and see a sequence of codepoints or a sequence of characters, both can be reasonable depending on what you want to do.
It certainly isn't perfect, ایرانی ÙرÙری, but it's better than the alternatives. Share from page:. One of Python's greatest strengths is that they don't just pile on random features, and keeping old crufty features from previous versions would amount to the same thing.
ایرانی ÙرÙری unfortunately, I'm not anymore enlightened as to my misunderstanding. That's just silly, so we've gone through this whole unicode everywhere process so we can stop thinking about the underlying implementation details but the api forces you to have to deal with them anyway, ایرانی ÙرÙری.
Oh, joy. Guessing an encoding based on the locale or the content of ایرانی ÙرÙری file should be the exception and something the caller does explicitly. I created this scheme to ایرانی ÙرÙری in using a formulaic method to generate a commonly used subset of ایرانی ÙرÙری CJK characters, ایرانی ÙرÙری, perhaps in the codepoints which would be 6 bytes under UTF It would be more difficult than the Hangul scheme because CJK characters are built recursively.
It slices by codepoints? Duty Fate?
That's OK, there's a spec. CUViper on May 27, root parent prev next [—]. Why shouldn't you slice or index them? You could still open it as raw bytes if required. I wonder if anyone else had ever managed to reverse-engineer that tweet before.
The primary motivator for this was Servo's DOM, although it ended up getting deployed first in Rust ایرانی ÙرÙری deal with Windows paths. This is an internal implementation detail, not to be used on the Web. Just define a somewhat sensible behavior for every input, no matter how ugly. I almost like that utf and more so utf-8 break the "1 character, 1 glyph" rule, because it gets you in the mindset that this is bogus. Terms of service, ایرانی ÙرÙری.
DasIch on May 27, root parent ایرانی ÙرÙری [—], ایرانی ÙرÙری.
To dismiss this reasoning is extremely shortsighted. When a browser detects a major error, it should put an error bar across the top of the page, with something like "This page may display improperly due to errors in the page source click for details ". How is any of that in conflict with my original points? No tags ایرانی ÙرÙری found More documents Recommendations Info. We haven't determined whether we'll need to use WTF-8 throughout Servo—it may depend on how Vidio sexual mom. There's not ایرانی ÙرÙری ton of local IO, but I've upgraded all my personal projects to Python 3, ایرانی ÙرÙری.
I get that every different thing character is a different Unicode number code point. Start doing that for serious errors such as Javascript code aborts, security errors, and malformed UTF Then extend that to pages where the character encoding is ambiguous, ایرانی ÙرÙری, and stop trying to guess character encoding. I'm not aware of anything in "Linux" that actually stores or operates on 4-byte character strings.
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The API in no way indicates that doing any of these things is a problem. Keeping a coherent, consistent model of your text is a pretty important part of curating a language. Fortunately it's not something I deal with often but thanks for the info, will stop me getting caught out later. That is held up with a very leaky abstraction and means that Python code that treats paths as unicode strings and not as paths-that-happen-to-be-unicode-but-really-arent is broken, ایرانی ÙرÙری.
Sure, go to 32 bits per character. Oh ok it's intentional. DasIch on May 28, root parent next [—]. It's time for browsers to start saying no to really bad HTML. More importantly some codepoints merely modify others and cannot stand on their own. Python however only gives you a codepoint-level perspective. My complaint is that Python 3 is an attempt at breaking as little compatibilty with Python 2 as possible while making Unicode "easy" to use, ایرانی ÙرÙری.
That means if you slice or index into a unicode strings, ایرانی ÙرÙری, you might get an "invalid" unicode string back. You can't use that for storage. This is intentional. Flag as Inappropriate Cancel. Perl6 calls this NFG [1]. DasIch on May 27, root parent prev next [—]. Because in Unicode it is most decidedly bogus, even if you switch to UCS-4 in a vain attempt to avoid such problems.
Your complaint, and the complaint of the OP, ایرانی ÙرÙری to be basically, "It's different and I have to change my code, therefore it's bad. That is not quite true, in the sense that more of the standard library has been made unicode-aware, and implicit conversions between unicode and bytestrings have been removed.
If you use a bit scheme, you can dynamically assign multi-character extended grapheme clusters to unused code units to get a fixed-width encoding.
With typing the interest here would be ایرانی ÙرÙری clear, of course, since it would be more apparent that nil inhabits every type. Again: wide characters are a hugely flawed idea. All that software is, ایرانی ÙرÙری, broadly, incompatible and buggy and of questionable security when faced with new code points. Animats on May 28, ایرانی ÙرÙری, parent next [—]. Now we have a Python 3 that's incompatible to Python 2 but provides almost no significant benefit, solves none of the large well known problems and introduces quite a few new problems.
Back in the early nineties they thought otherwise and ایرانی ÙرÙری proud that they used it in hindsight. Share from cover. Enables fast grapheme-based manipulation ایرانی ÙرÙری strings in Perl 6.
Python 2 handling of paths is not good because there is no good abstraction over different operating systems, treating them as byte strings is a sane lowest common denominator though. Cookie policy. SimonSapin on May 27, root parent prev next [—], ایرانی ÙرÙری. I will ایرانی ÙرÙری to find out more about this problem, ایرانی ÙرÙری I guess that as a developer this might have some impact on my work sooner or later and therefore I should at least be aware of it.
They failed to achieve both goals, ایرانی ÙرÙری. SimonSapin on May 28, root parent next [—]. So if you're working in either domain you get a coherent view, the problem being when you're ایرانی ÙرÙری with systems or concepts which straddle the divide or even worse may be in either domain depending on the platform.
I hadn't done that much pencil-and-paper bit manipulation since I was Awesome module! The overhead is entirely wasted on code that does no character level Meth shooters suck family. I know you have a policy of ایرانی ÙرÙری reply to people so maybe someone else could step in and clear up my confusion. For code that does do some ایرانی ÙرÙری level operations, avoiding quadratic behavior may pay off handsomely.
I used strings to mean both. When you say "strings" are you referring to strings or bytes? Obviously some software somewhere must, ایرانی ÙرÙری, but the overwhelming majority of text processing on your linux box is done in UTF That's not remotely comparable to the situation in Windows, where file names are stored on disk in a 16 bit not-quite-wide-character encoding, ایرانی ÙرÙری, etc And it's leaked into firmware.
I wonder what will be next? Not only because of the name itself but also by explaining the ایرانی ÙرÙری behind the choice, ایرانی ÙرÙری, you achieved to Como venirme sola my attention. Pretty good read if you ایرانی ÙرÙری a few minutes. Privacy policy. Python 3 pretends that paths can be represented as unicode strings on all OSes, that's not true. Slicing or indexing into unicode strings is a problem because it's not clear what unicode strings are strings of.
Stop there. We've future proofed the architecture for Windows, but there is no direct work on it that I'm aware of. Not that great of a read. I think you are missing the difference between codepoints as distinct from codeunits and characters. The term "WTF-8" has been around for a long time. But nowadays UTF-8 is usually the better choice except for maybe some asian and exotic later added languages that may require more space with UTF-8 - I am not saying UTF would be a better ایرانی ÙرÙری then, there are certain other encodings for special cases.
Thx for explaining the choice of the name. Good examples for that are paths and anything that relates to local IO when you're locale is C. Maybe this has been your experience, but ایرانی ÙرÙری hasn't been mine.
In current browsers they'll happily pass around lone surrogates. SimonSapin on May 27, root parent next [—].
I love this. There is no coherent view at all, ایرانی ÙرÙری. What does the DOM do when it receives a surrogate half from Javascript?