Saturday, March 13, 2021

FastApi : Create Production ready Api

 FastApi : Create Production ready Api (faster than Flask)


https://fastapi.tiangolo.com/

Features

1. Asynchronous

2. High Perfromance

3. Less Code

4. Data Type  and Data Models auto Conversions

5. Auto Documentation

    - swagger (/docs)

    - ReDoc   (/redoc)


Pre-Req:

Install and activate virtual environment to be safe.

Steps:

  1. pip install fastapi
  2. pip install hypercorn #server
  3. touch main.py
  4. copy paste below code
  5. hypercorn main:app --reload


from fastapi import FastAPI
from pydantic import BaseModel #model
# import requests

app = FastAPI()
db = []

class Person(BaseModel):
name: str

@app.get('/')
def index():return {'person' : 'name'}

@app.get('/persons')
def get_persons():
results = []
for person in db:results.append(person)
return results

@app.get('/persons/{person_id}')
def get_person(person_id: int):return db[person_id-1]

@app.post('/persons')
def create_person(person: Person):
db.append(person)
return db[-1]

@app.delete('/persons/{person_id}')
def delete_person(person_id: int):
db.pop(person_id-1)
return {}

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