Uso de Python para Acceder a Datos Web (Coursera)

Uso de Python para Acceder a Datos Web (Coursera)

En este curso, aprenderás cómo la Internet se puede convertir en una fuente de datos. Para esto, rasparemos, analizaremos y leeremos los datos web y también accederemos datos mediante APIs web. Trabajaremos con formatos de datos HTML, XML y JSON en Python.

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Este curso abarcará los capítulos 11-13 del libro de texto "Python for Everybody".
Para tener éxito en este curso, debes estar familiarizado con el material que se incluye en los capítulos 1-10 del libro de texto y los dos primeros cursos de esta especialización. Estos temas incluyen variables y expresiones, ejecución condicional (bucles, ramificación y try/except), funciones, estructuras de datos de Python (cadenas, listas, diccionarios y tuplas) y manipulación de archivos. Este curso abarca Python 3.

What You Will Learn

  • Usar expresiones habituales para extraer datos de cadenas
  • Comprender los protocolos que usan los navegadores web para recuperar documentos y aplicaciones web
  • Recuperar datos de sitios web y APIs usando Python
  • Trabajar con datos XML (eXtensible Markup Language)

Syllabus

WEEK 1
Primeros Pasos
En esta sección, instalarás Python y un editor de texto. En las clases anteriores de la especialización, esta fue una tarea opcional, pero en esta clase es el primer requisito para comenzar. A partir de este momento, dejaremos de usar el ambiente de calificación Python basado en un navegador ya que el ambiente de Python basado en un navegador (Skulpt) no es capaz de ejecutar los programas más complejos que desarrollaremos en esta clase.

WEEK 2
Expresiones Habituales (Capítulo 11)
Las expresiones habituales son un lenguaje muy especializado que nos permite buscar brevemente cadenas y extraer datos de cadenas. Las expresiones habituales son un lenguaje en sí mismas. No es esencial saber usar expresiones habituales pero pueden ser bastante útiles y poderosas.

WEEK 3
Redes y Sockets (Capítulo 12)
En esta sección aprendemos sobre los protocolos que utilizan los navegadores web para recuperar documentos y aplicaciones web para interactuar con las interfaces de programas de aplicaciones (API).

WEEK 4
Programas que Navegan en la Web (Capítulo 12)
En esta sección aprendemos a usar Python para recuperar datos de sitios web y API a través de Internet.

WEEK 5
Servicios Web y XML (Capítulo 13)
En esta sección, aprendemos cómo recuperar y analizar datos XML (eXtensible Markup Language).

WEEK 6
JSON y la Arquitectura REST (Capítulo 13)
En este módulo, trabajamos con interfaces de programas de aplicaciones/servicios web utilizando el formato de datos Notación de objetos JavaScript (JSON).

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