jbiason
/
Presentations
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
Browse Source

added whats new in python 3.6

master
Julio Biason 8 years ago
parent
622d7bbcfc
commit
8051fc47f1
1 changed files with 228 additions and 0 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Unified View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 228
      python36.html

228
python36.html
Unescape View File

@ -0,0 +1,228 @@
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Python 3.6 - Novidades da Versão</title>
<meta name="description" content="A framework for easily creating beautiful presentations using HTML">
<meta name="author" content="Hakim El Hattab">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no, minimal-ui">
<link rel="stylesheet" href="reveal.js/css/reveal.css">
<link rel="stylesheet" href="reveal.js/css/theme/black.css" id="theme">
<!-- Code syntax highlighting -->
<link rel="stylesheet" href="reveal.js/lib/css/zenburn.css">
<!-- Printing and PDF exports -->
<script>
var link = document.createElement( 'link' );
link.rel = 'stylesheet';
link.type = 'text/css';
link.href = window.location.search.match( /print-pdf/gi ) ? 'css/print/pdf.css' : 'css/print/paper.css';
document.getElementsByTagName( 'head' )[0].appendChild( link );
</script>
<!--[if lt IE 9]>
<script src="lib/js/html5shiv.js"></script>
<![endif]-->
<style type="text/css" media="screen">
.happy {
color: yellow;
}
.semi-opaque {
background-color: rgba(0, 0, 0, 0.7);
}
.reveal section img {
border: none;
}
</style>
</head>
<body>
<div class="reveal">
<div class="slides">
<section>
<section>
<div class="semi-opaque">
<h1>Python 3.6</h1>
<h2>Novidades da versão</h2>
</div>
</section>
</section>
<section>
<section>
<img src="_images/AYV1X0yv.png" alt="Me" style="float:left;width:300px;" class="no-border">
<div>
<ul>
<li>Júlio Biason</li>
<li><img src="_images/logo-horizontal-claro.png" alt="CWI Software" class='no-border'>
<li>@juliobiason</li>
<li>julio.biason@gmail.com</li>
<li><a href="http://presentations.juliobiason.net">http://presentations.juliobiason.net</a></li>
</ul>
</div>
</section>
</section>
<section>
<section>
<h2>Underscores em números</h2>
<pre><code class="python">&gt;&gt;&gt; 1_000_000_000 == 1000000000
True</code></pre>
<pre class="fragment"><code class="python">&gt;&gt;&gt; 1_00_00_00_00_0</code></pre>
<pre class="fragment"><code class="python">&gt;&gt;&gt; '{:_}'.format(1000000)
'1_000_000'</code></pre>
</section>
</section>
<section>
<section>
<h2>String literals</h2>
<pre><code class="python">&gt;&gt;&gt; name = 'Julio'
&gt;&gt;&gt; f'My name is {name}'
My name is Julio</code></pre>
<pre class="fragment"><code class="python">&gt;&gt;&gt; def f():
... name = 'Julio'
... print('My name is {name}'.format(**locals()))</code></pre>
</section>
<section>
<pre><code class="python">
all(list(print(f'{i} bottle{"s" if i != 1 else ""} of '
f'beer on the wall, {str(i).lower()} '
f'bottle{"s" if i != 1 else ""} of beer.\n{"Take one '
f'down pass it around" if str(i).lower() == str(i) '
f'else "Go to the store and buy some more"}, '
f'{i-1 if i not in [1, "No more"] else "no more" '
f'if i == 1 else 99} bottles of beer on the wall.\n') \
for i in list(range(99, 0, -1))+['No more'])) \
or ""
</code></pre>
</section>
</section>
<section>
<section>
<h2>Type annotations</h2>
<p>Só pra lembrar...</p>
<pre><code class="python">&gt;&gt;&gt; def(name: str) -&gt; str:
... return 'Hello ' + name</code></pre>
<p class="fragment">
Não signfica que o CPython valida o parâmetro ou o retorno.
</p>
</section>
<section>
<pre><code class="python">&gt;&gt;&gt; captain: str # None</code></pre>
<pre><code class="python">&gt;&gt;&gt; values: List[int] = [1, 2, 4]</code></pre>
<p class="fragment">Essas informações podem ser extraídas de <code>__annotations__</code>
(assim como docstrings podem ser extraídas de <code>__doc__</code>).</p>
</section>
</section>
<section>
<section>
<h2>secrets</h2>
<p>Nova biblioteca para geração de números randômicos "fortes", utilizados
para criptografia.</p>
<pre><code class="python">&gt;&gt;&gt; token_hex(16)
'f9bf78b9a18ce6d46a0cd2b0b86df9da'</code></pre>
</section>
</section>
<section>
<section>
<h2>Pathlib</h2>
<p>Representação de um caminho qualquer no sistema de arquivos.</p>
<pre><code class="python"&gt;&gt;&gt;> import pathlib
&gt;&gt;&gt; with open(pathlib.Path("README")) as f:
... contents = f.read()
...
&gt;&gt;&gt; import os.path
&gt;&gt;&gt; os.path.splitext(pat)
('some_file', '.txt')</code></pre>
</section>
<section>
<p>Nova função para tornar objetos Path-like: <code>__fspath()__</code></p>
</section>
</section>
<section>
<section>
<h2>Novos "dicionários"</h2>
<p><code>dict</code> agora é mais compacto.</p>
<p class="fragment">Efeito colateral: agora são ordenados em CPython,
mas não no spec da linguagem Python.</p>
</section>
<section>
<ul>
<li><code>**kwargs</code> agora são ordenados.</li>
<li><code>__dict__</code> agora é ordenado.</li>
</ul>
</section>
</section>
<section>
<section>
<h2>Async the world!</h2>
</section>
</section>
</div>
</div>
<script src="reveal.js/lib/js/head.min.js"></script>
<script src="reveal.js/js/reveal.js"></script>
<script>
// Full list of configuration options available at:
// https://github.com/hakimel/reveal.js#configuration
Reveal.initialize({
controls: true,
progress: true,
history: true,
center: true,
// showNotes: true,
transition: 'slide', // none/fade/slide/convex/concave/zoom
// Optional reveal.js plugins
dependencies: [
{ src: 'reveal.js/lib/js/classList.js', condition: function() { return !document.body.classList; } },
{ src: 'reveal.js/plugin/markdown/marked.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
{ src: 'reveal.js/plugin/markdown/markdown.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
{ src: 'reveal.js/plugin/highlight/highlight.js', async: true, callback: function() { hljs.initHighlightingOnLoad(); } },
{ src: 'reveal.js/plugin/zoom-js/zoom.js', async: true },
{ src: 'reveal.js/plugin/notes/notes.js', async: true }
]
});
</script>
</body>
</html>
Write Preview
Loading…
Cancel
Save