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Re: OOP no Python

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  Re: OOP no Python Guilherme Rezende <guilhermebr@gmail.com> - 2014-06-26 14:53 -0300

#73630 — Re: OOP no Python

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Samuel,

http://groups.google.com/group/python-brasil


On Thu, Jun 26, 2014 at 12:18 PM, Chris Angelico <rosuav@gmail.com> wrote:

> 2014-06-27 0:16 GMT+10:00 Samuel David <samuel.costa@eos-hoepers.com>:
> > Mas estou com uma dúvida referente ao tópico “Por que eu deveria usar
> Python
> > e não <insira aqui a sua linguagem favorita>?”.
>
> Google Translate tells me you're asking "Why use Python instead of
> <some other language>?". (I'm going to respond only in English, as my
> Portuguese is basically nil. Sorry.) Well, there are a lot of reasons
> :)
>
> One is that Python is a clear and simple language; a form of
> "executable pseudo-code". If you start by writing what you want to do
> as comments, then translate slightly into a more formal grammar to
> make pseudo-code, you're pretty close to having stubby Python code.
> There's a minimum of fuss, the language does its best to get out of
> the way and let you do your work.
>
> Closely related to that is Python's excellent interactive mode. Since
> you don't have to declare variables or anything, you can simply fire
> up Python interactively (eg by just typing "python", or with something
> like IDLE), and it is simultaneously a clean environment in which you
> just say "a = 2+3" and assign 5 to a, and a full programming
> environment that gives you all the power you need (for instance, you
> can define functions, then call them - that's something I was never
> able to do in REXX, at least not without some fiddling). In contrast,
> a language like Pike is that bit more wordy at its interactive prompt,
> as you need to make appropriate declarations. And any language that
> doesn't have first-class functions is going to be much less clean for
> this sort of work - REXX doesn't have any concept of run-time function
> creation at all, except that it can (ab)use the file system for that
> job.
>
> Another advantage of Python is Unicode support. Particularly if you're
> using Python 3.3 or newer, you're guaranteed that a string consists of
> a sequence of Unicode codepoints, and you can depend on being able to
> index and slice it accordingly. This is way WAY better than C, or PHP,
> or any other language that sticks its head in the sand and tries to
> ignore character encodings altogether; and it's better than UTF-16
> languages like JavaScript, because you avoid the subtle errors that
> can creep in when you index a string with astral characters. You can
> happily write your program and test it on Portuguese text, and be
> confident that it'll work just as well with Hebrew.
>
> Finally, Python is a well-established language. You can write an
> application in Python and simply tell people "You'll need a Python
> interpreter, version 3.3 or better, to run this", and be confident
> that they'll be able to get one - most Linux distros include Python in
> their repositories, a Mac probably has it installed, on Windows it's
> just a matter of fetching the .msi, and there are unofficial builds
> for obscure platforms like OS/2. (Which I make good use of,
> incidentally. We have a legacy OS/2 system, now running as a virtual
> machine under Linux, on which we run certain legacy software. How do
> we back up the crucial data from there? Simple: A Python script that
> archives the necessaries, sends them via TCP/IP, and reports its
> status to the user. I think it took me all of half a screenful of code
> to write that.)
>
> There are other languages that I use and love, too; each one has its
> strengths and weaknesses. These are just a few of Python's strengths.
>
> ChrisA
> --
> https://mail.python.org/mailman/listinfo/python-list
>



-- 
*Guilherme Bessa Rezende*
Software Engineer|DevOP
[ IT, Security, Telecom, ]
guilhermebr.com <http://www.guilhermebr.com>

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