Created
April 26, 2017 11:19
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simple todo in memory using aiohttp by https://justanr.github.io/getting-start-with-aiohttpweb-a-todo-tutorial
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| from aiohttp import web | |
| TODOS = [ | |
| { | |
| 'name': 'Start this tutorial', | |
| 'finished': True | |
| }, | |
| { | |
| 'name': 'Finish this tutorial', | |
| 'finished': False | |
| } | |
| ] | |
| def get_all_todos(request): | |
| return web.json_response([ | |
| {'id': idx, **todo} for idx, todo in enumerate(TODOS) | |
| ]) | |
| def get_one_todo(request): | |
| id = int(request.match_info['id']) | |
| if id >= len(TODOS): | |
| return web.json_response({'error': 'Todo not found'}, status=404) | |
| return web.json_response({'id': id, **TODOS[id]}) | |
| async def create_todo(request): | |
| data = dict( | |
| await request.post() | |
| ) | |
| # data = await request.json() | |
| # json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0) | |
| if 'name' not in data: | |
| return web.json_response({'error': '"name" is a required field'}) | |
| name = data.get('name') | |
| print(data) | |
| if not isinstance(name, str) or not len(name): | |
| return web.json_response( | |
| {'error': '"name" must be a string with at least one character'}) | |
| data['finished'] = bool(data.get('finished', False)) | |
| TODOS.append(data) | |
| new_id = len(TODOS) - 1 | |
| return web.Response( | |
| headers={ | |
| 'Location': str(request.app.router['one_todo'].url_for(id=new_id)) | |
| }, | |
| status=303 | |
| ) | |
| async def update_todo(request): | |
| id = int(request.match_info['id']) | |
| if id >= len(TODOS): | |
| return web.json_response({'error': 'Todo not found'}, status=404) | |
| data = await request.post() | |
| if 'finished' not in data: | |
| return web.json_response( | |
| {'error': '"finished" is a required key'}, status=400) | |
| TODOS[id]['finished'] = bool(data['finished']) | |
| return web.Response(status=204) | |
| def remove_todo(request): | |
| id = int(request.match_info['id']) | |
| if id >= len(TODOS): | |
| return web.json_response({'error': 'Todo not found'}) | |
| del TODOS[id] | |
| return web.Response(status=204) | |
| def app_factory(args=()): | |
| app = web.Application() | |
| app.router.add_get('/todos/', get_all_todos, name='all_todos') | |
| app.router.add_post('/todos/', create_todo, name='create_todo', | |
| expect_handler=web.Request.json) | |
| app.router.add_get('/todos/{id:\d+}', get_one_todo, name='one_todo') | |
| app.router.add_patch('/todos/{id:\d+}', update_todo, name='update_todo') | |
| app.router.add_delete('/todos/{id:\d+}', remove_todo, name='remove_todo') | |
| return app |
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