Created
October 23, 2015 07:15
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very simple flask-like web framework, taken from http://lucumr.pocoo.org/2010/6/14/opening-the-flask/
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| from flask import Flask | |
| app = Flask() | |
| @app.route('/') | |
| def index(request): | |
| return 'Hello World' | |
| if __name__ == '__main__': | |
| app.run() |
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| from werkzeug import Request, Response, run_simple | |
| from werkzeug.exceptions import HTTPException | |
| from werkzeug.routing import Map, Rule | |
| class Flask(object): | |
| def __init__(self): | |
| self.url_map = Map() | |
| self.views = {} | |
| def route(self, string, **options): | |
| def decorator(f): | |
| options['endpoint'] = f.__name__ | |
| self.views[f.__name__] = f | |
| self.url_map.add(Rule(string, **options)) | |
| return f | |
| return decorator | |
| def run(self, **options): | |
| return run_simple('localhost', 5000, self, **options) | |
| def make_response(self, rv): | |
| if isinstance(rv, basestring): | |
| return Response(rv, mimetype='text/html') | |
| return rv | |
| def __call__(self, environ, start_response): | |
| request = Request(environ) | |
| adapter = self.url_map.bind_to_environ(environ) | |
| try: | |
| endpoint, values = adapter.match() | |
| response = self.make_response(self.views[endpoint](request, **values)) | |
| except HTTPException, e: | |
| response = e | |
| return response(environ, start_response) |
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