3 ms·

Since nothing got better with python 3.0 I'll stay with 2.x as long as I can.

by sprash 14y ago

rflrob 14y ago
Nothing got better with Python 3? What about the print function and true division? Sure, those are both there as from __future__ import's, but I'd definitely call those improvements. I haven't switched to Py3k yet either, but I'm just waiting for a few more packages I use heavily to get the bugs worked out.
- archangel_one 14y ago
  Also, dict comprehensions. You can fake them in 2.x, but the syntax is ugly and cumbersome.
  - masklinn 14y ago
    dict comprehensions were backported to 2.7 $ python2.7 Python 2.7.3 (default, Apr 13 2012, 13:51:30) >>> {i: i+1 for i in range(5)} {0: 1, 1: 2, 2: 3, 3: 4, 4: 5}
- masklinn 14y ago
  > What about the print function and true division? Those are actually fairly minor in the grand scheme of things (and compound `with` statements have been backported to 2.7). More interesting are: 3.0 * unicode strings by default and much better overall support of unicode * chained exceptions (I don't believe they've been backported) 3.2 * argparse merged to the stdlib * ElementTree 1.3 finalized in stdlib (3.2) * functools.lru_cache, itertools.accumulate (nothing game-changing, but nice to have in the stdlib) * threading.Barrier * concrete tzinfo implementation (for fixed UTC offsets) * contextlib.ContextDecorator (creates a type which works both as a contextmanager and a function decorator), and improved contextmanager support across the board (ftplib, popen, TarFile, ...) 3.3 (soon to be released) * Virtual environments shipped by default * Namespace packages * Kind-of obscure, but flexible string representations (strings can dynamically and transparently switch their implementation between latin-1, ucs-2 and ucs-4, this kills the narrow/wide compile-flag shit and generally makes strings more space-efficient) * sub-generator delegation, instead of: for item in sub_generator_function(): yield item you can just write: yield from sub_generator_function(). it also correctly forwards sent and thrown values (generator.send() and generator.throw()) to the sub-generator, so it actually translates into an unholy mess which now just works and allows more easily splitting a large function into sub-iterators. * lzma/xz support (7z) I'm actually excited for 3.3, there's plenty of cool stuff in there.

Since nothing got better with python 3.0 I'll stay with 2.x as long as I can.

by sprash 14y ago

Since nothing got better with python 3.0 I'll stay with 2.x as long as I can.

Nothing got better with Python 3? What about the print function and true division? Sure, those are both there as from __future__ import's, but I'd definitely call those improvements. I haven't switched to Py3k yet either, but I'm just waiting for a few more packages I use heavily to get the bugs worked out.

archangel_one 14y ago
Also, dict comprehensions. You can fake them in 2.x, but the syntax is ugly and cumbersome.
- masklinn 14y ago
  dict comprehensions were backported to 2.7 $ python2.7 Python 2.7.3 (default, Apr 13 2012, 13:51:30) >>> {i: i+1 for i in range(5)} {0: 1, 1: 2, 2: 3, 3: 4, 4: 5}
masklinn 14y ago
> What about the print function and true division? Those are actually fairly minor in the grand scheme of things (and compound `with` statements have been backported to 2.7). More interesting are: 3.0 * unicode strings by default and much better overall support of unicode * chained exceptions (I don't believe they've been backported) 3.2 * argparse merged to the stdlib * ElementTree 1.3 finalized in stdlib (3.2) * functools.lru_cache, itertools.accumulate (nothing game-changing, but nice to have in the stdlib) * threading.Barrier * concrete tzinfo implementation (for fixed UTC offsets) * contextlib.ContextDecorator (creates a type which works both as a contextmanager and a function decorator), and improved contextmanager support across the board (ftplib, popen, TarFile, ...) 3.3 (soon to be released) * Virtual environments shipped by default * Namespace packages * Kind-of obscure, but flexible string representations (strings can dynamically and transparently switch their implementation between latin-1, ucs-2 and ucs-4, this kills the narrow/wide compile-flag shit and generally makes strings more space-efficient) * sub-generator delegation, instead of: for item in sub_generator_function(): yield item you can just write: yield from sub_generator_function(). it also correctly forwards sent and thrown values (generator.send() and generator.throw()) to the sub-generator, so it actually translates into an unholy mess which now just works and allows more easily splitting a large function into sub-iterators. * lzma/xz support (7z) I'm actually excited for 3.3, there's plenty of cool stuff in there.