the API section. Flask depends on the Jinja [https://www.palletsprojects.com/p/jinja/] template engine and the Werkzeug [https://www.palletsprojects.com/p/werkzeug/] WSGI toolkit. The documentation for interested. Design Decisions in Flask The Explicit Application Object The Routing System One Template Engine Micro with Dependencies Thread Locals What Flask is, What Flask is Not HTML/XHTML FAQ History of decisions for you, such as what database to use. Those decisions that it does make, such as what templating engine to use, are easy to change. Everything else is up to you, so that Flask can be everything you

of Flask in detail, with a full reference in the API section. Flask depends on the Jinja template engine and the Werkzeug WSGI toolkit. The documentation for these libraries can be found at: • Jinja documentation decisions for you, such as what database to use. Those decisions that it does make, such as what templating engine to use, are easy to change. Everything else is up to you, so that Flask can be everything you Unless you delib- erately mark insecure HTML as secure, Flask and the underlying Jinja2 template engine have you covered. But there are many more ways to cause security problems. The documentation will

__init__(self, **kwargs): # smart_engine is a black box dependency self.smart_engine = kwargs['smart_engine'] def get(self): return self.smart_engine.next_todo() You can inject the required required dependency into TodoNext like so: smart_engine = SmartEngine() api.add_resource(TodoNext, '/next', resource_class_kwargs={ 'smart_engine': smart_engine }) Same idea applies for forwarding args

TodoNext(Resource): def __init__(self, **kwargs): # smart_engine is a black box dependency self.smart_engine = kwargs['smart_engine'] def get(self): return self.smart_engine.next_todo() You can inject the required dependency dependency into TodoNext like so: smart_engine = SmartEngine() api.add_resource(TodoNext, '/next', resource_class_kwargs={ 'smart_engine': smart_engine }) Same idea applies for forwarding args. 26

TodoNext(Resource): def __init__(self, **kwargs): # smart_engine is a black box dependency self.smart_engine = kwargs['smart_engine'] def get(self): return self.smart_engine.next_todo() You can inject the required dependency dependency into TodoNext like so: smart_engine = SmartEngine() api.add_resource(TodoNext, '/next', resource_class_kwargs={ 'smart_engine': smart_engine }) Same idea applies for forwarding args. 26

__init__(self, **kwargs): # smart_engine is a black box dependency self.smart_engine = kwargs['smart_engine'] def get(self): return self.smart_engine.next_todo() You can inject the required required dependency into TodoNext like so: smart_engine = SmartEngine() api.add_resource(TodoNext, '/next', resource_class_kwargs={ 'smart_engine': smart_engine }) Same idea applies for forwarding args

TodoNext(Resource): def __init__(self, **kwargs): # smart_engine is a black box dependency self.smart_engine = kwargs['smart_engine'] def get(self): return self.smart_engine.next_todo() You can inject the required dependency dependency into TodoNext like so: smart_engine = SmartEngine() api.add_resource(TodoNext, '/next', resource_class_kwargs={ 'smart_engine': smart_engine }) Same idea applies for forwarding args. 26

TodoNext(Resource): def __init__(self, **kwargs): # smart_engine is a black box dependency self.smart_engine = kwargs['smart_engine'] def get(self): return self.smart_engine.next_todo() You can inject the required dependency dependency into TodoNext like so: smart_engine = SmartEngine() api.add_resource(TodoNext, '/next', resource_class_kwargs={ 'smart_engine': smart_engine }) Same idea applies for forwarding args. 26

__init__(self, **kwargs): # smart_engine is a black box dependency self.smart_engine = kwargs['smart_engine'] def get(self): return self.smart_engine.next_todo() You can inject the required required dependency into TodoNext like so: smart_engine = SmartEngine() api.add_resource(TodoNext, '/next', resource_class_kwargs={ 'smart_engine': smart_engine }) Same idea applies for forwarding args

__init__(self, **kwargs): # smart_engine is a black box dependency self.smart_engine = kwargs['smart_engine'] def get(self): return self.smart_engine.next_todo() You can inject the required required dependency into TodoNext like so: smart_engine = SmartEngine() api.add_resource(TodoNext, '/next', resource_class_kwargs={ 'smart_engine': smart_engine }) Same idea applies for forwarding args