get_param = {
'aio': lambda req, name, kwargs: req.match_info[name],
'jap': lambda req, name, kwargs: req.match_dict[name],
'san': lambda req, name, kwargs: kwargs[name],
}[engine]
get_json_body = {
'aio': lambda req: req.json(),
'jap': lambda req: req.json,
'san': lambda req: req.json,
}[engine]
make_app = {
'aio': lambda: web.Application(),
'jap': lambda: japronto.Application(),
'san': lambda: sanic.Sanic(),
}[engine]
add_route = {
'aio':
lambda app, method, url, handler: app.router.add_route(
method, url, handler),
'jap':
lambda app, method, url, handler: app.router.add_route(
url, handler, methods=[method]),
'san':
lambda app, method, url, handler: app.router.add(
url.replace('{', '<').replace('}', '>'), [method], handler)
}[engine]
headers=get_headers(),
)
def plaintext_view(request):
return request.Response(
body=b'Hello, world!',
mime_type='text/plain',
headers=get_headers(),
)
async def db_view(request):
async with app.db_pool.acquire() as conn:
world = await conn.fetchrow("select id,randomnumber from world where id=%s" % random.randint(1, 10000))
return request.Response(
text=json.dumps(dict(world)),
mime_type='application/json', headers=get_headers())
app = japronto.Application()
app.on_startup.append(init_db)
app.on_cleanup.append(close_db)
app.router.add_route('/json', json_view, 'GET')
app.router.add_route('/plaintext', plaintext_view, 'GET')
app.router.add_route('/db', db_view, 'GET')
if __name__ == '__main__':
app.run('0.0.0.0', 8080, worker_num=multiprocessing.cpu_count())