web.py 0.3 新手指南 - RESTful doctesting using app.request
!/usr/bin/env python"""RESTful web.py testingusage: python webapp.py 8080 [--test]>>> req = app.request('/mathematicians', method='POST')>>> req.status'400 Bad Request'>>> name = {'first': 'Beno\xc3\xaet', 'last': 'Mandelbrot'}>>> data = urllib.urlencode(name)>>> req = app.request('/mathematicians', method='POST', data=data)>>> req.status'201 Created'>>> created_path = req.headers['Location']>>> created_path'/mathematicians/b-mandelbrot'>>> fn = '<h1 class=fn>{0} {1}</h1>'.format(name['first'], name['last'])>>> assert fn in app.request(created_path).data"""import doctestimport urllibimport sysimport webpaths = ( '/mathematicians(/)?', 'Mathematicians', '/mathematicians/([a-z])-([a-z]{2,})', 'Mathematician')app = web.application(paths, globals())dbname = {True: 'test', False: 'production'}[sys.argv[-1] == '--test']db = {} # db = web.database(..., db='math_{0}'.format(dbname))class Mathematicians: def GET(self, slash=False): """list all mathematicians and form to create new one""" if slash: raise web.seeother('/mathematicians') mathematicians = db.items() # db.select(...) return web.template.Template("""$def with (mathematicians) <!doctype html> <html> <head> <meta charset=utf-8> <title>Mathematicians</title> </head> <body> <h1>Mathematicians</h1> $if mathematicians: <ul class=blogroll> $for path, name in mathematicians: <li class=vcard><a class="fn url" href=/mathematicians/$path>$name.first $name.last</a></li> </ul> <form action=/mathematicians method=post> <label>First <input name=first type=text></label> <label>Last <input name=last type=text></label> <input type=submit value=Add> </form> </body> </html>""")(mathematicians) def POST(self, _): """create new mathematician""" name = web.input('first', 'last') key = '{0}-{1}'.format(name.first[0].lower(), name.last.lower()) name.first, name.last = name.first.capitalize(), name.last.capitalize() db[key] = name # db.insert(...) path = '/mathematicians/{0}'.format(key) web.ctx.status = '201 Created' web.header('Location', path) return web.template.Template("""$def with (path, name) <!doctype html> <html> <head> <meta charset=utf-8> <title>Profile Created</title> </head> <body> <p>Profile created for <a href=$path>$name.first $name.last</a>.</p> </body> </html>""")(path, name)class Mathematician: def GET(self, first_initial, last_name): """display mathematician""" key = '{0}-{1}'.format(first_initial, last_name) try: mathematician = db[key] # db.select(...) except KeyError: raise web.notfound() return web.template.Template("""$def with (name) <!doctype html> <html> <head> <meta charset=utf-8> <title>$name.first $name.last</title> </head> <body class=vcard> <p><a href=/mathematicians rel=up>Mathematicians</a> ▸</p> <h1 class=fn>$name.first $name.last</h1> </body> </html>""")(mathematician)if __name__ == "__main__": if sys.argv[-1] == '--test': doctest.testmod() else: app.run()?