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October 24, 2017 16:40
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УрФУ. Вставка JavaScript и CSS из списка в HTML документ
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| from wsgiref.simple_server import make_server | |
| # Исходный список подключаемых файлов в HTML | |
| INCLUDES = [ | |
| 'app.js', | |
| 'react.js', | |
| 'leaflet.js', | |
| 'D3.js', | |
| 'moment.js', | |
| 'math.js', | |
| 'main.css', | |
| 'bootstrap.css', | |
| 'normalize.css', | |
| ] | |
| class WSGIMiddleware(object): | |
| ''' | |
| WSGIMiddleware, которое добавляет стили и скрипты из INCLUDES в HTML | |
| ''' | |
| def __init__(self, app): | |
| self.app = app | |
| def __call__(self, environ, start_response): | |
| response = self.app(environ, start_response).decode() | |
| if response.find('<head>' and '<body>') > -1: | |
| # Получение содержимого тегов <head> и <body> | |
| htmlstart, head = response.split('<head>') | |
| head_data = head.split('</head>')[0] | |
| body = response.split('<body>')[1] | |
| body_data, htmlend = body.split('</body>') | |
| # Разделение способов подключения | |
| scripts = "" | |
| styles = "" | |
| for include in INCLUDES: | |
| if ".css" in include: | |
| styles += '<link rel="stylesheet" href="/_static/{}" />\n\r'.format(include) | |
| if ".js" in include: | |
| scripts += '<script src="/_static/{}"></script>\n\r'.format(include) | |
| # Вывод контента с добавлением стилей в <head> и скриптов в конце <body> | |
| data = '<head>' + head_data + styles + '</head>\n\r' + '<body>' + body_data + scripts + '</body>' | |
| yield (htmlstart + data + htmlend).encode() | |
| else: | |
| yield (response).encode() | |
| def app(environ, start_response): | |
| response_code = '200 OK' | |
| response_type = ('Content-Type', 'text/HTML') | |
| start_response(response_code, [response_type]) | |
| return '''<!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> | |
| <title>HTML Document</title> | |
| </head> | |
| <body> | |
| <p>Текст на странице</p> | |
| </body> | |
| </html>'''.encode() | |
| app = WSGIMiddleware(app) | |
| make_server('localhost', 80, app).serve_forever() |
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