September 2024
Intermediate to advanced
1648 pages
52h 56m
Spanish
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Capítulo 22. Los módulos: Panorama general
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Este capítulo comienza nuestra mirada en profundidad en al módulo de Python, launidad de organización de programas de más alto nivel, que empaqueta el código y los datos del programa para su reutilización, y proporciona espacios de nombres autocontenidos que minimizan los choques de nombres de variables en tus programas. En términos concretos, los módulos suelen corresponder a archivos de programa Python. Cada archivo es un módulo, y los módulos importan otros módulos para utilizar los nombres que definen. Los módulos también pueden corresponder a extensiones codificadas en lenguajes externos como C, Java o C#, e incluso a directorios en importaciones de paquetes. Los módulos se procesan con dos sentencias y una función importante:
importPermite a un cliente (importador) obtener un módulo completo
fromPermite a los clientes obtener determinados nombres de de un módulo
imp.reload(reloaden 2.X)Proporciona una forma de recargar el código de un módulo sin detener Python
El Capítulo 3 introdujo los fundamentos de los módulos, y los hemos estado utilizando desde entonces. El objetivo aquí es ampliar los conceptos básicos de los módulos con los que ya estás familiarizado, y pasar a explorar un uso más avanzado de los módulos. Este primer capítulo repasa los fundamentos de los módulos y ofrece una visión general del papel de los módulos ...
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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.