{"id":474,"date":"2014-01-27T16:59:19","date_gmt":"2014-01-27T16:59:19","guid":{"rendered":"http:\/\/luisrodriguez.pe\/blog\/?p=474"},"modified":"2014-01-27T17:15:24","modified_gmt":"2014-01-27T17:15:24","slug":"hola-mundo-con-el-framework-tornado-de-python","status":"publish","type":"post","link":"https:\/\/luisrodriguez.pe\/blog\/hola-mundo-con-el-framework-tornado-de-python\/","title":{"rendered":"Hola mundo con el Framework Tornado de Python"},"content":{"rendered":"<p><a href=\"http:\/\/luisrodriguez.pe\/blog\/wp-content\/uploads\/2014\/01\/tornado.png\"><img decoding=\"async\" class=\"alignright size-full wp-image-479\" title=\"tornado\" src=\"http:\/\/luisrodriguez.pe\/blog\/wp-content\/uploads\/2014\/01\/tornado.png\" alt=\"\" width=\"286\" height=\"72\" \/><\/a>Desde el 2013 estoy muy interesado en este lenguaje de programaci\u00f3n que ya tiene muchos a\u00f1os desde su creacion y esta orientado para programaci\u00f3n de escritorio pero gracias a los framework que salieron su uso para el lado web a crecido mucho. Es open source y tiene una gran comunidad de desarrolladores.<\/p>\n<p>en este articulo creare algo simple que es un hola mundo en Tornado con la version 2.7 de python.<\/p>\n<p>creamos un entorno virtual con virtualenv<\/p>\n\n<div class=\"wp_syntax\"><table><tr><td class=\"code\"><pre class=\"php\" style=\"font-family:monospace;\">virtualenv hola_mundo<\/pre><\/td><\/tr><\/table><\/div>\n\n<p>ahora necesitamos activarlo para eso entramos a la carpeta que se nos creo que es hola_mundo<\/p>\n\n<div class=\"wp_syntax\"><table><tr><td class=\"code\"><pre class=\"php\" style=\"font-family:monospace;\">cd hola_mundo\nsource bin<span style=\"color: #339933;\">\/<\/span>activate<\/pre><\/td><\/tr><\/table><\/div>\n\n<p>para saber si esta bien en nuestra consola debe salir algo asi<\/p>\n\n<div class=\"wp_syntax\"><table><tr><td class=\"code\"><pre class=\"php\" style=\"font-family:monospace;\"><span style=\"color: #009900;\">&#40;<\/span>hola_mundo<span style=\"color: #009900;\">&#41;<\/span>usuario<span style=\"color: #339933;\">@<\/span>servidor<span style=\"color: #339933;\">:<\/span><\/pre><\/td><\/tr><\/table><\/div>\n\n<p>luego necesitamos tener tornado y lo instalamos (yo uso pip para instalar les recomiendo que lo tengan)<\/p>\n\n<div class=\"wp_syntax\"><table><tr><td class=\"code\"><pre class=\"php\" style=\"font-family:monospace;\">pip install tornado<\/pre><\/td><\/tr><\/table><\/div>\n\n<pre><code class=\"python\"> #importamos a tornado lo que necesitamos\r\nimport tornado.ioloop\r\nimport tornado.web \r\n\r\n#declaramos un clase Index que tambien pude ser cualquier\r\n#nombre\r\nclass Index(tornado.web.RequestHandler):\r\n    #en la clase declaromos el metodo post o get\r\n\r\n    #esto sera cuando alquien habra la pagina\r\n    def get(self):\r\n        #y vamos a escribir en le navegador el hola mundo\r\n        self.write('Hola Mundo')\r\n\r\n#por buena practica solocamos esta condicion que sirve\r\n#para saber si esto se esta ejecutando directamente osea\r\n#si en consola se esta ejecutando por que puede haber\r\n#que tambien este siento importado y no queremos que desde\r\n#un import se ejecute\r\n\r\nif __name__ == '__main__':\r\n    #declaramos la url con la clase que arriba\r\n    app = tornado.web.Application([\r\n        (r'\/',Index)\r\n    ])\r\n    #le indicamos que puerto debe escuchar\r\n    #para que entremos a verlo asi localhost:8888\r\n    #ese puerto puede cambiar a cualquiera excepto a los\r\n    #que ya se estan usando.\r\n    app.listen(8888)\r\n    #arrancamos tornado\r\n    tornado.ioloop.IOLoop.instance().start()<\/code><\/pre>\n<p>este archivo lo creamos dentro de nuestro directorio que creamos en virtualenv y se llama config.py<br \/>\nnos vamos a la consola y ejecutamos de esta manera.<\/p>\n\n<div class=\"wp_syntax\"><table><tr><td class=\"code\"><pre class=\"php\" style=\"font-family:monospace;\">python config<span style=\"color: #339933;\">.<\/span>py<\/pre><\/td><\/tr><\/table><\/div>\n\n<p>entramos a localhost:8888 y ya veremos el hola mundo.<\/p>\n","protected":false},"excerpt":{"rendered":"Desde el 2013 estoy muy interesado en este lenguaje de programaci\u00f3n que ya tiene muchos a\u00f1os desde su creacion y esta orientado para programaci\u00f3n de escritorio pero gracias a los framework que salieron su uso para el lado web a crecido mucho. Es open source y tiene una gran comunidad de desarrolladores. en este articulo[&#8230;]","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37,32],"tags":[],"class_list":["post-474","post","type-post","status-publish","format-standard","hentry","category-framework","category-python"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hola mundo con el Framework Tornado de Python - Blog Luis Rodriguez<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/luisrodriguez.pe\/blog\/hola-mundo-con-el-framework-tornado-de-python\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hola mundo con el Framework Tornado de Python - Blog Luis Rodriguez\" \/>\n<meta property=\"og:description\" content=\"Desde el 2013 estoy muy interesado en este lenguaje de programaci\u00f3n que ya tiene muchos a\u00f1os desde su creacion y esta orientado para programaci\u00f3n de escritorio pero gracias a los framework que salieron su uso para el lado web a crecido mucho. 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