目录

Werkzeug 源码解析(2)

affectalways 收录于 python werkzeug

2020-06-23 约 334 字预计阅读 1 分钟次阅读

目录

从哪开始呢？

熟悉目录层级

参照Werkzeug官方文档给出的示例，重点关注Request,Response,run_simple

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from werkzeug.wrappers import Request, Response
   
def application(environ, start_response):
    request = Request(environ)
    text = 'Hello %s!' % request.args.get('name', 'World')
    response = Response(text, mimetype='text/plain')
    return response(environ, start_response)
   
   
   
"""
 省略超多内容
"""
class Shortly(object):
   
    def __init__(self, config):
        self.redis = redis.Redis(config['redis_host'], config['redis_port'])
   
    def dispatch_request(self, request):
        return Response('Hello World!')
   
    def wsgi_app(self, environ, start_response):
        request = Request(environ)
        response = self.dispatch_request(request)
        return response(environ, start_response)
   
    def __call__(self, environ, start_response):
        return self.wsgi_app(environ, start_response)
   
   
def create_app(redis_host='localhost', redis_port=6379, with_static=True):
    app = Shortly({
        'redis_host':       redis_host,
        'redis_port':       redis_port
    })
    if with_static:
        app.wsgi_app = SharedDataMiddleware(app.wsgi_app, {
            '/static':  os.path.join(os.path.dirname(__file__), 'static')
        })
    return app
   
   
if __name__ == '__main__':
    from werkzeug.serving import run_simple
    app = create_app()
    run_simple('127.0.0.1', 5000, app, use_debugger=True, use_reloader)

Request、Response、run_simple（最不重要的）

之后的文章就重点关注以上三个，而且肯定会延伸到Werkzeug的其他地方（源码），不必担心，肯定会有所涉猎。

讲真，感觉run_simple可以不重点关注，希望不要打脸