def create_api_app(package_name, package_path, settings_override=None):
app = create_app(package_name, settings_override)
# Configure the database
db.init_app(app)
# Drop all uses a tip from http://piotr.banaszkiewicz.org/blog/2012/06/29/flask-sqlalchemy-init_app/
with app.test_request_context():
if app.config.get('DROP_ON_INIT') is True:
db.drop_all()
db.create_all()
# Enable CORS. An API is unlikely to work without this.
CORS(app)
# Enable rate limiting.
limiter = Limiter(app, key_func=get_remote_address)
# Do not apply a limit to OPTIONS. If the OPTIONS pre-flight returns 429
# then the browser displays a CORS error and the underlying API error is hidden
# behind a 'fetch failed' message. Many thanks to tkrajca at
# https://github.com/alisaifee/flask-limiter/issues/70
limiter.request_filter(lambda: request.method.upper() == 'OPTIONS')
return app, limiter
def register_limiter(app):
'''
访问频率限制
:param app:
:return:
'''
limiter = Limiter(app,
default_limits=['100/second'],
key_func=get_remote_address)
limiter.request_filter(filter_func)
