🎻 🔗 🔢

📤 💼 🌐❔ 👆 5️⃣📆 💪 🗜 💽 🆎 (💖 Pydantic 🏷) 🕳 🔗 ⏮️ 🎻 (💖 dict, list, ♒️).

🖼, 🚥 👆 💪 🏪 ⚫️ 💽.

👈, FastAPI 🚚 jsonable_encoder() 🔢.

⚙️ jsonable_encoder

➡️ 🌈 👈 👆 ✔️ 💽 fake_db 👈 🕴 📨 🎻 🔗 💽.

🖼, ⚫️ 🚫 📨 datetime 🎚, 👈 🚫 🔗 ⏮️ 🎻.

, datetime 🎚 🔜 ✔️ 🗜 str ⚗ 💽 💾 📁.

🎏 🌌, 👉 💽 🚫🔜 📨 Pydantic 🏷 (🎚 ⏮️ 🔢), 🕴 dict.

👆 💪 ⚙️ jsonable_encoder 👈.

⚫️ 📨 🎚, 💖 Pydantic 🏷, & 📨 🎻 🔗 ⏬:

Python 3.8+

from datetime import datetime
from typing import Union

from fastapi import FastAPI
from fastapi.encoders import jsonable_encoder
from pydantic import BaseModel

fake_db = {}


class Item(BaseModel):
    title: str
    timestamp: datetime
    description: Union[str, None] = None


app = FastAPI()


@app.put("/items/{id}")
def update_item(id: str, item: Item):
    json_compatible_item_data = jsonable_encoder(item)
    fake_db[id] = json_compatible_item_data

🤓 Other versions and variants

Python 3.10+

from datetime import datetime

from fastapi import FastAPI
from fastapi.encoders import jsonable_encoder
from pydantic import BaseModel

fake_db = {}


class Item(BaseModel):
    title: str
    timestamp: datetime
    description: str | None = None


app = FastAPI()


@app.put("/items/{id}")
def update_item(id: str, item: Item):
    json_compatible_item_data = jsonable_encoder(item)
    fake_db[id] = json_compatible_item_data

👉 🖼, ⚫️ 🔜 🗜 Pydantic 🏷 dict, & datetime str.

🏁 🤙 ⚫️ 🕳 👈 💪 🗜 ⏮️ 🐍 🐩 json.dumps().

⚫️ 🚫 📨 ⭕ str ⚗ 💽 🎻 📁 (🎻). ⚫️ 📨 🐍 🐩 💽 📊 (✅ dict) ⏮️ 💲 & 🎧-💲 👈 🌐 🔗 ⏮️ 🎻.

Note

jsonable_encoder 🤙 ⚙️ FastAPI 🔘 🗜 💽. ✋️ ⚫️ ⚠ 📚 🎏 😐.