Bekerja dengan data terstruktur

Pengantar API di Python

Chris Ramakers

Engineering manager

Struktur data kompleks

Respons API Lirik

Respons API lirik dengan HTTP 200 OK. Header: Content-Type: plain/text, Content-Language: en-US, Last-Modified: Wed, 21 Oct 2023. Body: lirik dari "Problem Child" oleh AC/DC.

Respons API Album

Respons API album dengan HTTP 200 OK. Header menyatakan konten JSON. Body memuat detail album "Back in Black" oleh AC/DC, berisi daftar judul lagu.

Struktur data kompleks: JSON

JSON
- JavaScript Object Notation
- Didukung luas
- Mudah dibaca manusia & diproses mesin
Content-type, mime-type, atau media-type
Format lain
- XML
- CSV
- YAML

Respons API Album

Respons API album dengan HTTP 200 OK. Header menyatakan konten JSON. Body memuat detail album "Back in Black" oleh AC/DC, berisi daftar judul lagu.

Dari Python ke JSON dan kembali

Representasi visual pengodean dan penguraian teks berformat JSON dengan Python. JSON memuat detail album "Back in Black" oleh AC/DC.

import json
album =  {'id': 42, 'title':"Back in Black"}
string = json.dumps(album) # Encodes a python object to a JSON string
album = json.loads(string) # Decodes a JSON string to a Python object

Meminta data JSON

# GET request without headers
response = requests.get('http://api.music-catalog.com/lyrics')
print(response.text)

N' I never miss Cause I'm a problem child - AC/DC, Problem Child

# GET request with an accept header
response = requests.get('http://api.music-catalog.com/lyrics', headers={'accept': 'application/json'})

# Print the JSON text
print(response.text)


# Decode into a Python object
data = response.json()
print(data['artist'])

{'artist': 'AC/DC', 'lyric': "N' I never miss Cause I'm a problem child", 'track': 'Problem Child'}

AC/DC

Mengirim data JSON

import requests
playlist = {"name": "Road trip", "genre":"rock", "private":"true"}

# Add the playlist using via the `json` argument 
response = requests.post("http://api.music-catalog.com/playlists", json=playlist)

# Get the request object
request = response.request

# Print the request content-type header
print(request.headers['content-type'])

application/json

Ayo berlatih!

Pengantar API di Python