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done with python 3.6

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Julio Biason 7 years ago
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python36.html

@ -44,6 +44,10 @@
.reveal section img {
border: none;
}
ul.empty {
list-style: none;
}
</style>
</head>
@ -51,7 +55,7 @@
<div class="reveal">
<div class="slides">
<section>
<section>
<section data-background='_images/python.jpg'>
<div class="semi-opaque">
<h1>Python 3.6</h1>
<h2>Novidades da versão</h2>
@ -61,10 +65,10 @@
<section>
<section>
<img src="_images/AYV1X0yv.png" alt="Me" style="float:left;width:300px;" class="no-border">
<img src="_images/AYV1X0yv.png" alt="Me" style="float:left;height:200px;" class="no-border">
<div>
<ul>
<ul class='empty'>
<li>Júlio Biason</li>
<li><img src="_images/logo-horizontal-claro.png" alt="CWI Software" class='no-border'>
<li>@juliobiason</li>
@ -75,6 +79,24 @@
</section>
</section>
<section>
<section>
<img src="_images/python36-new.png" alt="A full screenshot of the changes in Python 3.6" height="300px"/>
</section>
<section>
<img src="_images/london-ripper.jpg" alt="Vamos por partes"/>
</section>
<section>
<img src="_images/neat.jpg" alt="Neat."/>
</section>
<section>
<img src="_images/my_opinion.jpg" alt="My opinion"/>
</section>
</section>
<section>
<section>
<h2>Underscores em números</h2>
@ -132,7 +154,7 @@ or ""
</section>
<section>
<pre><code class="python">&gt;&gt;&gt; captain: str # None</code></pre>
<pre><code class="python">&gt;&gt;&gt; captain: str # mas continua como undefined</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>
@ -152,16 +174,44 @@ or ""
</section>
</section>
<section>
<section>
<h2>enum</h2>
<p>Novo tipo <code>auto</code> para gerar número automaticamente.
</p>
<pre><code class="python">&gt;&gt;&gt; from enum import Enum, auto
&gt;&gt;&gt; class Color(Enum):
... red = auto()
... blue = auto()
... green = auto()
...
&gt;&gt;&gt; list(Color)
[<&lt;Color.red: 1>, &lt;Color.blue: 2>, &lt;Color.green: 3>]</code></pre>
</section>
</section>
<section>
<section>
<h2>importlib</h2>
<p>Ao tentar importar um módulo que não existe, será gerado
<code>ModuleNotFoundError</code> ao invés de
<code>ImportError</code>.</p>
</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
<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>
@ -192,8 +242,55 @@ or ""
<section>
<section>
<h2>Async the world!</h2>
<p><code>asyncio</code> agora é oficial.</p>
</section>
<section>
<h3>Async generators</h3>
<pre><code class="python">async def ticker(delay, to):
"""Yield numbers from 0 to *to* every *delay* seconds."""
for i in range(to):
yield i
await asyncio.sleep(delay)</code></pre>
</section>
<section>
<h3>Async comprehensions</h3>
<pre><code class="python">result = [i async for i in aiter() if i % 2]</code></pre>
<pre><code class="python">result = [await fun() for fun in funcs if await condition()]</code></pre>
</section>
</section>
<section>
<section>
<h2>Last but not least</h2>
<ul>
<li>Customização de classes com <code>__init_subclass__()</code>;</li>
<li>Suporte a DTrace e SystemTrap;</li>
<li>Variável de ambiente para mudar a forma de alocação de memória e mudanças
no módulo <code>tracemalloc</code>;</li>
<li>Desambiguação de datas com entrada do horário de verão;</li>
<li><code>typing</code> com novidades;</li>
</ul>
</section>
<section>
<ul>
<li><code>os.urandom()</code> vai bloquear até que haja entropia suficiente
para gerar um número;</li>
<li>Suporte a OpenSSL 1.1.0;</li>
<li>Novos métodos criptográficos em <code>hashlib</code>;</li>
<li>Sistema de arquivos do Windows agora é considerado UTF-8;</li>
<li>Facilidades para definir o PATH das bibliotecas com arquivos
._pth.</li>
</ul>
</section>
</section>
</div>
</div>

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