我们从Python开源项目中，提取了以下36个代码示例，用于说明如何使用flask.after_this_request()。
def test_after_request_processing(self): app = flask.Flask(__name__) app.testing = True @app.route('/') def index(): @flask.after_this_request def foo(response): response.headers['X-Foo'] = 'a header' return response return 'Test' c = app.test_client() resp = c.get('/') self.assertEqual(resp.status_code, 200) self.assertEqual(resp.headers['X-Foo'], 'a header')
def save_page(): @flask.after_this_request def add_headers(response): response.headers['Access-Control-Allow-Origin'] = '*' return response values = flask.request.values if values.get('type', '') == 'Serp': try: user_id = Session.get_user_id(values['url']) except Exception as e: app.logger.error(e) return 'Incorrect user_id used', 400 try: query = Session.get_query(values['url']) except Exception as e: app.logger.error(e) return 'No query set?', 400 for k in ['data', 'tab_id', 'time']: if k not in values: return 'Missing param: %s' % k, 400 data = values['data'] try: ts = Session.convert_time(values['time']) except Exception as e: app.logger.error(e) return 'Incorrect timestamp', 400 session = Session(id=values['tab_id'], user_id=user_id, q=query, serp_html=data, start_ts=ts) n = len(data) while n > 1: session.serp_html = data[:n] try: session.put() break except apiproxy_errors.RequestTooLargeError as e: app.logger.error(e) n /= 2 return 'Saved', 201 return 'Only support saving SERPs using POST requests, sorry.', 403
def save_settings(): @flask.after_this_request def add_headers(response): response.headers['Access-Control-Allow-Origin'] = '*' return response values = flask.request.values try: user_id = Session.get_user_id(values['url']) except Exception as e: app.logger.error(e) return 'Incorrect user_id used', 400 for k in ['data', 'tab_id', 'time']: if k not in values: return 'Missing param: %s' % k, 400 try: ts = Session.convert_time(values['time']) except Exception as e: app.logger.error(e) return 'Incorrect timestamp', 400 mute_period_m = 0 for data in values['data'].split(','): try: mute_period_m = max(mute_period_m, UserSettings.convert_mute_period_m(data)) except Exception as e: app.logger.error(e) return 'Incorrect mute period settings: %s' % data, 400 mute_deadline = UserSettings.get_mute_deadline(ts, mute_period_m) settings = ndb.Key(UserSettings, user_id).get() if settings is None: # Create settings for the current user settings = UserSettings(id=user_id, mute_deadline=mute_deadline, ts=ts) settings.put() elif settings.mute_deadline is None or settings.mute_deadline < mute_deadline: settings.mute_deadline = mute_deadline settings.ts = ts settings.put() return 'Saved', 201
def ask_feedback(): @flask.after_this_request def add_headers(response): response.headers['Access-Control-Allow-Origin'] = '*' return response return '10', 200 values = flask.request.values now = datetime.now() try: user_id = Session.get_user_id(values['url']) except: return 'Incorrect user_id used', 400 settings = ndb.Key(UserSettings, user_id).get() if settings is None: # Create settings for the current user settings = UserSettings(id=user_id, ts=now) if settings.mute_deadline is not None and settings.mute_deadline > now: return '0', 200 questionnaire_left = 10 for prev_shown_ts in reversed(settings.questionnaire_shown_ts): if prev_shown_ts < now - timedelta(hours=24): break questionnaire_left -= 1 if random.random() < 0.5: # Suppress the popup for 50% of all SERPs. questionnaire_left = 0 if questionnaire_left > 0: settings.questionnaire_shown_ts.append(now) settings.put() return str(questionnaire_left), 200
def log(): @flask.after_this_request def add_headers(response): response.headers['Access-Control-Allow-Origin'] = '*' return response values = flask.request.values tab_id = values.get('tab_id', '') session = ndb.Key(Session, tab_id).get() if session is None: return 'No sessions with tab_id = %s' % tab_id, 404 elif session.shared: return 'Cannot update previously shared session with tab_id = %s' % tab_id, 403 try: user_id = Session.get_user_id(values['url']) except: return 'Incorrect user_id used', 400 if session.user_id != user_id: return 'Session does not belong to %s' % user_id, 403 try: if 'buffer' in values: buffer = json.loads(values['buffer']) else: buffer = [flask.request.url.split('?', 1)[-1]] actions = [] for log_str in buffer: log_item = urlparse.parse_qs(log_str) ts = Session.convert_time(log_item['time'][0]) event_type = log_item.get('ev', ['UNKNOWN'])[0] fields = {k: v[0] for (k, v) in log_item.iteritems() if k not in ['ev', 'time']} actions.append(Action(ts=ts, event_type=event_type, fields=fields)) session.actions += actions session.put() return 'Updated', 200 except Exception as e: app.logger.error(e) app.logger.error('Buffer: %s' % values.get('buffer', '')) return 'Incorrect buffer contents', 400
