FastAPI

FastAPI 🛠️, ↕ 🎭, ⏩ 💡, ⏩ 📟, 🔜 🏭

---

🧾: https://fastapi.tiangolo.com

ℹ 📟: https://github.com/tiangolo/fastapi

---

FastAPI 🏛, ⏩ (↕-🎭), 🕸 🛠️ 🏗 🛠️ ⏮️ 🐍 3️⃣.8️⃣ ➕ ⚓️ 🔛 🐩 🐍 🆎 🔑.

🔑 ⚒:

• ⏩: 📶 ↕ 🎭, 🔛 🇷🇪 ⏮️ ✳ & 🚶 (👏 💃 & Pydantic). 1️⃣ ⏩ 🐍 🛠️ 💪.
• ⏩ 📟: 📈 🚅 🛠️ ⚒ 🔃 2️⃣0️⃣0️⃣ 💯 3️⃣0️⃣0️⃣ 💯. *
• 👩‍❤‍👨 🐛: 📉 🔃 4️⃣0️⃣ 💯 🗿 (👩‍💻) 📉 ❌. *
• 🏋️: 👑 👨‍🎨 🐕‍🦺. 🛠️ 🌐. 🌘 🕰 🛠️.
• ⏩: 🔧 ⏩ ⚙️ & 💡. 🌘 🕰 👂 🩺.
• 📏: 📉 📟 ❎. 💗 ⚒ ⚪️➡️ 🔠 🔢 📄. 👩‍❤‍👨 🐛.
• 🏋️: 🤚 🏭-🔜 📟. ⏮️ 🏧 🎓 🧾.
• 🐩-⚓️: ⚓️ 🔛 (& 🍕 🔗 ⏮️) 📂 🐩 🔗: 🗄 (⏪ 💭 🦁) & 🎻 🔗.

* ⚖ ⚓️ 🔛 💯 🔛 🔗 🛠️ 🏉, 🏗 🏭 🈸.

💰

🎏 💰

🤔

"[...] 👤 ⚙️ FastAPI 📚 👫 📆. [...] 👤 🤙 📆 ⚙️ ⚫️ 🌐 👇 🏉 ⚗ 🐕‍🦺 🤸‍♂. 👫 💆‍♂ 🛠️ 🔘 🐚 🖥 🏬 & 📠 🏬."

🧿 🇵🇰 - 🤸‍♂ (🇦🇪)

---

"👥 🛠️ FastAPI 🗃 🤖 🎂 💽 👈 💪 🔢 🚚 🔮. [👨📛]"

🇮🇹 🇸🇻, 👨📛 👨📛, & 🇱🇰 🕉 🕉 - 🙃 (🇦🇪)

---

"📺 🙏 📣 📂-ℹ 🚀 👆 ⚔ 🧾 🎶 🛠️: 📨❗ [🏗 ⏮️ FastAPI]"

✡ 🍏, 👖 🇪🇸, 🌲 🍏 - 📺 (🇦🇪)

---

"👤 🤭 🌕 😄 🔃 FastAPI. ⚫️ 🎊 ❗"

✡ 🇭🇰 - 🐍 🔢 📻 🦠 (🇦🇪)

---

"🤙, ⚫️❔ 👆 ✔️ 🏗 👀 💎 💠 & 🇵🇱. 📚 🌌, ⚫️ ⚫️❔ 👤 💚 🤗 - ⚫️ 🤙 😍 👀 👱 🏗 👈."

✡ 🗄 - 🤗 👼 (🇦🇪)

---

"🚥 👆 👀 💡 1️⃣ 🏛 🛠️ 🏗 🎂 🔗, ✅ 👅 FastAPI [...] ⚫️ ⏩, ⏩ ⚙️ & ⏩ 💡 [...]"

"👥 ✔️ 🎛 🤭 FastAPI 👆 🔗 [...] 👤 💭 👆 🔜 💖 ⚫️ [...]"

🇱🇨 🇸🇲 - ✡ Honnibal - 💥 👲 🕴 - 🌈 👼 (🇦🇪) - (🇦🇪)

---

"🚥 🙆 👀 🏗 🏭 🐍 🛠️, 👤 🔜 🏆 👍 FastAPI. ⚫️ 💎 🏗, 🙅 ⚙️ & 🏆 🛠️, ⚫️ ✔️ ▶️️ 🔑 🦲 👆 🛠️ 🥇 🛠️ 🎛 & 🚘 📚 🏧 & 🐕‍🦺 ✅ 👆 🕹 🔫 👨‍💻."

🇹🇦 🍰 - 📻 (🇦🇪)

---

🏎, FastAPI 🇳🇨

🚥 👆 🏗 ✳ 📱 ⚙️ 📶 ↩️ 🕸 🛠️, ✅ 👅 🏎.

🏎 FastAPI 🐥 👪. & ⚫️ 🎯 FastAPI 🇳🇨. 👶 👶 👶

📄

🐍 3️⃣.7️⃣ ➕

FastAPI 🧍 🔛 ⌚ 🐘:

• 💃 🕸 🍕.
• Pydantic 📊 🍕.

👷‍♂

$ pip install fastapi

---> 100%

👆 🔜 💪 🔫 💽, 🏭 ✅ Uvicorn ⚖️ Hypercorn.

$ pip install "uvicorn[standard]"

---> 100%

🖼

✍ ⚫️

• ✍ 📁 main.py ⏮️:

from typing import Union

from fastapi import FastAPI

app = FastAPI()


@app.get("/")
def read_root():
    return {"Hello": "World"}


@app.get("/items/{item_id}")
def read_item(item_id: int, q: Union[str, None] = None):
    return {"item_id": item_id, "q": q}

⚖️ ⚙️ async def...

🚥 👆 📟 ⚙️ async / await, ⚙️ async def:

from typing import Union

from fastapi import FastAPI

app = FastAPI()


@app.get("/")
async def read_root():
    return {"Hello": "World"}


@app.get("/items/{item_id}")
async def read_item(item_id: int, q: Union[str, None] = None):
    return {"item_id": item_id, "q": q}

🗒:

🚥 👆 🚫 💭, ✅ _"🏃 ❓" _ 📄 🔃 async & await 🩺.

🏃 ⚫️

🏃 💽 ⏮️:

$ uvicorn main:app --reload

INFO:     Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
INFO:     Started reloader process [28720]
INFO:     Started server process [28722]
INFO:     Waiting for application startup.
INFO:     Application startup complete.

🔃 📋 uvicorn main:app --reload...

📋 uvicorn main:app 🔗:

• main: 📁 main.py (🐍 "🕹").
• app: 🎚 ✍ 🔘 main.py ⏮️ ⏸ app = FastAPI().
• --reload: ⚒ 💽 ⏏ ⏮️ 📟 🔀. 🕴 👉 🛠️.

✅ ⚫️

📂 👆 🖥 http://127.0.0.1:8000/items/5?q=somequery.

👆 🔜 👀 🎻 📨:

{"item_id": 5, "q": "somequery"}

👆 ⏪ ✍ 🛠️ 👈:

• 📨 🇺🇸🔍 📨 ➡ / & /items/{item_id}.
• 👯‍♂️ ➡ ✊ GET 🛠️ (💭 🇺🇸🔍 👩‍🔬).
• ➡ /items/{item_id} ✔️ ➡ 🔢 item_id 👈 🔜 int.
• ➡ /items/{item_id} ✔️ 📦 str _🔢 = q.

🎓 🛠️ 🩺

🔜 🚶 http://127.0.0.1:8000/docs.

👆 🔜 👀 🏧 🎓 🛠️ 🧾 (🚚 🦁 🎚):

🎛 🛠️ 🩺

& 🔜, 🚶 http://127.0.0.1:8000/redoc.

👆 🔜 👀 🎛 🏧 🧾 (🚚 📄):

🖼 ♻

🔜 🔀 📁 main.py 📨 💪 ⚪️➡️ PUT 📨.

📣 💪 ⚙️ 🐩 🐍 🆎, 👏 Pydantic.

from typing import Union

from fastapi import FastAPI
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    price: float
    is_offer: Union[bool, None] = None


@app.get("/")
def read_root():
    return {"Hello": "World"}


@app.get("/items/{item_id}")
def read_item(item_id: int, q: Union[str, None] = None):
    return {"item_id": item_id, "q": q}


@app.put("/items/{item_id}")
def update_item(item_id: int, item: Item):
    return {"item_name": item.name, "item_id": item_id}

💽 🔜 🔃 🔁 (↩️ 👆 🚮 --reload uvicorn 📋 🔛).

🎓 🛠️ 🩺 ♻

🔜 🚶 http://127.0.0.1:8000/docs.

• 🎓 🛠️ 🧾 🔜 🔁 ℹ, 🔌 🆕 💪:

• 🖊 🔛 🔼 "🔄 ⚫️ 👅", ⚫️ ✔ 👆 🥧 🔢 & 🔗 🔗 ⏮️ 🛠️:

• ⤴️ 🖊 🔛 "🛠️" 🔼, 👩‍💻 🔢 🔜 🔗 ⏮️ 👆 🛠️, 📨 🔢, 🤚 🏁 & 🎦 👫 🔛 🖥:

🎛 🛠️ 🩺 ♻

& 🔜, 🚶 http://127.0.0.1:8000/redoc.

• 🎛 🧾 🔜 🎨 🆕 🔢 🔢 & 💪:

🌃

📄, 👆 📣 🕐 🆎 🔢, 💪, ♒️. 🔢 🔢.

👆 👈 ⏮️ 🐩 🏛 🐍 🆎.

👆 🚫 ✔️ 💡 🆕 ❕, 👩‍🔬 ⚖️ 🎓 🎯 🗃, ♒️.

🐩 🐍 3️⃣.7️⃣ ➕.

🖼, int:

item_id: int

⚖️ 🌖 🏗 Item 🏷:

item: Item

...& ⏮️ 👈 👁 📄 👆 🤚:

• 👨‍🎨 🐕‍🦺, 🔌:
  • 🛠️.
  • 🆎 ✅.
• 🔬 💽:
  • 🏧 & 🆑 ❌ 🕐❔ 📊 ❌.
  • 🔬 🙇 🐦 🎻 🎚.
• 🛠️ 🔢 💽: 👟 ⚪️➡️ 🕸 🐍 💽 & 🆎. 👂 ⚪️➡️:
  • 🎻.
  • ➡ 🔢.
  • 🔢 🔢.
  • 🍪.
  • 🎚.
  • 📨.
  • 📁.
• 🛠️ 🔢 📊: 🗜 ⚪️➡️ 🐍 💽 & 🆎 🕸 💽 (🎻):
  • 🗜 🐍 🆎 (str, int, float, bool, list, ♒️).
  • datetime 🎚.
  • UUID 🎚.
  • 💽 🏷.
  • ...& 📚 🌖.
• 🏧 🎓 🛠️ 🧾, 🔌 2️⃣ 🎛 👩‍💻 🔢:
  • 🦁 🎚.
  • 📄.

---

👟 🔙 ⏮️ 📟 🖼, FastAPI 🔜:

• ✔ 👈 📤 item_id ➡ GET & PUT 📨.
• ✔ 👈 item_id 🆎 int GET & PUT 📨.
  • 🚥 ⚫️ 🚫, 👩‍💻 🔜 👀 ⚠, 🆑 ❌.
• ✅ 🚥 📤 📦 🔢 🔢 📛 q ( http://127.0.0.1:8000/items/foo?q=somequery) GET 📨.
  • q 🔢 📣 ⏮️ = None, ⚫️ 📦.
  • 🍵 None ⚫️ 🔜 🚚 (💪 💼 ⏮️ PUT).
• PUT 📨 /items/{item_id}, ✍ 💪 🎻:
  • ✅ 👈 ⚫️ ✔️ ✔ 🔢 name 👈 🔜 str.
  • ✅ 👈 ⚫️ ✔️ ✔ 🔢 price 👈 ✔️ float.
  • ✅ 👈 ⚫️ ✔️ 📦 🔢 is_offer, 👈 🔜 bool, 🚥 🎁.
  • 🌐 👉 🔜 👷 🙇 🐦 🎻 🎚.
• 🗜 ⚪️➡️ & 🎻 🔁.
• 📄 🌐 ⏮️ 🗄, 👈 💪 ⚙️:
  • 🎓 🧾 ⚙️.
  • 🏧 👩‍💻 📟 ⚡ ⚙️, 📚 🇪🇸.
• 🚚 2️⃣ 🎓 🧾 🕸 🔢 🔗.

---

👥 🖌 🧽, ✋️ 👆 ⏪ 🤚 💭 ❔ ⚫️ 🌐 👷.

🔄 🔀 ⏸ ⏮️:

    return {"item_name": item.name, "item_id": item_id}

...⚪️➡️:

        ... "item_name": item.name ...

...:

        ... "item_price": item.price ...

...& 👀 ❔ 👆 👨‍🎨 🔜 🚘-🏁 🔢 & 💭 👫 🆎:

🌅 🏁 🖼 🔌 🌅 ⚒, 👀 🔰 - 👩‍💻 🦮.

🚘 🚨: 🔰 - 👩‍💻 🦮 🔌:

• 📄 🔢 ⚪️➡️ 🎏 🎏 🥉: 🎚, 🍪, 📨 🏑 & 📁.
• ❔ ⚒ 🔬 ⚛ maximum_length ⚖️ regex.
• 📶 🏋️ & ⏩ ⚙️ 🔗 💉 ⚙️.
• 💂‍♂ & 🤝, ✅ 🐕‍🦺 Oauth2️⃣ ⏮️ 🥙 🤝 & 🇺🇸🔍 🔰 🔐.
• 🌅 🏧 (✋️ 😨 ⏩) ⚒ 📣 🙇 🐦 🎻 🏷 (👏 Pydantic).
• 🕹 🛠️ ⏮️ 🍓 & 🎏 🗃.
• 📚 ➕ ⚒ (👏 💃):
  • ** *️⃣ **
  • 📶 ⏩ 💯 ⚓️ 🔛 🇸🇲 & pytest
  • ⚜
  • 🍪 🎉
  • ...& 🌖.

🎭

🔬 🇸🇲 📇 🎦 FastAPI 🈸 🏃‍♂ 🔽 Uvicorn 1️⃣ ⏩ 🐍 🛠️ 💪, 🕴 🔛 💃 & Uvicorn 👫 (⚙️ 🔘 FastAPI). (*)

🤔 🌖 🔃 ⚫️, 👀 📄 📇.

📦 🔗

⚙️ Pydantic:

• email_validator - 📧 🔬.

⚙️ 💃:

• httpx - ✔ 🚥 👆 💚 ⚙️ TestClient.
• jinja2 - ✔ 🚥 👆 💚 ⚙️ 🔢 📄 📳.
• python-multipart - ✔ 🚥 👆 💚 🐕‍🦺 📨 "✍", ⏮️ request.form().
• itsdangerous - ✔ SessionMiddleware 🐕‍🦺.
• pyyaml - ✔ 💃 SchemaGenerator 🐕‍🦺 (👆 🎲 🚫 💪 ⚫️ ⏮️ FastAPI).

⚙️ FastAPI / 💃:

• uvicorn - 💽 👈 📐 & 🍦 👆 🈸.
• orjson - ✔ 🚥 👆 💚 ⚙️ ORJSONResponse.
• ujson - ✔ 🚥 👆 💚 ⚙️ UJSONResponse.

👆 💪 ❎ 🌐 👫 ⏮️ pip install "fastapi[all]".

🛂

👉 🏗 ® 🔽 ⚖ 🇩🇪 🛂.