April 2025
Intermediate to advanced
380 pages
9h 5m
Portuguese (Portugal, Brazil)
Content preview from Python para Negociação Algorítmica
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Capítulo 2. Infraestrutura Python
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Na construção de uma casa, há o problema da seleção da madeira.
É essencial que o objetivo do carpinteiro seja ter um equipamento que corte bem e, quando tiver tempo, afiar esse equipamento.
Miyamoto Musashi(O Livro dos Cinco Anéis)
Para alguém novo no Python, a implementação do Python pode parecer simples. O mesmo se aplica à riqueza de bibliotecas e pacotes que podem ser instalados opcionalmente. Antes de mais, não existe apenas um Python. O Python vem em muitos sabores diferentes, como CPython, Jython, IronPython, ou PyPy. Depois ainda há a divisão entre o Python 2.7 e o mundo 3.x. Este capítulo foca-se no CPython, a versão mais popular da linguagem de programação Python, e na versão 3.8.
Mesmo quando te focas no CPython 3.8 (daqui em diante apenas "Python"), a implementação é dificultada por várias razões:
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O intérprete (uma instalação normal do CPython) só vem com a chamada biblioteca padrão (por exemplo, cobrindo funções matemáticas típicas).
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Os pacotes Python opcionais precisam de ser instalados separadamente, e existem centenas deles.
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Compilar ("compilar") esses pacotes não-padrão por conta própria pode ser complicado devido a dependências e requisitos específicos do sistema operacional.
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Cuidar dessas dependências e da consistência das versões ao longo do tempo (manutenção) é muitas vezes fastidioso e consome ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.