2.1. FastAPI About¶

Path
Operation
Path Operation Function
Path Operation Decorator
Routing
Order of Path Operation Functions matters
Tags are identifiers used to group routes. Routes with the same tags are grouped into a section on the API documentation.

>>> from fastapi import FastAPI
>>> app = FastAPI()
>>>
>>>
>>> @app.get('/hello')
... def hello():
...     return {'message': 'hello'}
>>>
>>>
>>> @app.get('/ehlo')
... def ehlo():
...     return {'message': 'ehlo'}

2.1.1. Operation¶

app.get()
app.post()
app.put()
app.patch()
app.delete()
app.head()
app.options()
app.trace()

2.1.2. Path¶

/ - URI

2.1.3. Path Operation Decorator¶

@app.get('/')

2.1.4. Path Operation Function¶

>>> def hello():
...     return {'message': 'hello world'}

2.1.5. Use Case - 0x01¶

>>> from fastapi import FastAPI
>>> app = FastAPI()
>>>
>>>
>>> @app.get('/hello')
... def hello_get():
...     return {'message': 'get'}
>>>
>>> @app.post('/hello')
... def hello_post():
...     return {'message': 'post'}
>>>
>>> @app.put('/hello')
... def hello_put():
...     return {'message': 'put'}
>>>
>>> @app.patch('/hello')
... def hello_patch():
...     return {'message': 'patch'}
>>>
>>> @app.delete('/hello')
... def hello_delete():
...     return {'message': 'delete'}
>>>
>>> @app.head('/hello')
... def hello_head():
...     return {'message': 'head'}
>>>
>>> @app.options('/hello')
... def hello_options():
...     return {'message': 'options'}
>>>
>>> @app.trace('/hello')
... def hello_trace():
...     return {'message': 'trace'}