tiangolo.fastapi/docs/em/docs/tutorial/body-updates.md

💪 - ℹ

ℹ ❎ ⏮️ PUT

ℹ 🏬 👆 💪 ⚙️ 🇺🇸🔍 PUT 🛠️.

👆 💪 ⚙️ jsonable_encoder 🗜 🔢 💽 📊 👈 💪 🏪 🎻 (✅ ⏮️ ☁ 💽). 🖼, 🏭 datetime str.

=== "🐍 3️⃣.6️⃣ & 🔛"

```Python hl_lines="30-35"
{!> ../../../docs_src/body_updates/tutorial001.py!}
```

=== "🐍 3️⃣.9️⃣ & 🔛"

```Python hl_lines="30-35"
{!> ../../../docs_src/body_updates/tutorial001_py39.py!}
```

=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"

```Python hl_lines="28-33"
{!> ../../../docs_src/body_updates/tutorial001_py310.py!}
```

PUT ⚙️ 📨 💽 👈 🔜 ❎ ♻ 💽.

⚠ 🔃 ❎

👈 ⛓ 👈 🚥 👆 💚 ℹ 🏬 bar ⚙️ PUT ⏮️ 💪 ⚗:

{
    "name": "Barz",
    "price": 3,
    "description": None,
}

↩️ ⚫️ 🚫 🔌 ⏪ 🏪 🔢 "tax": 20.2, 🔢 🏷 🔜 ✊ 🔢 💲 "tax": 10.5.

& 📊 🔜 🖊 ⏮️ 👈 "🆕" tax 10.5.

🍕 ℹ ⏮️ PATCH

👆 💪 ⚙️ 🇺🇸🔍 PATCH 🛠️ 🍕 ℹ 💽.

👉 ⛓ 👈 👆 💪 📨 🕴 💽 👈 👆 💚 ℹ, 🍂 🎂 🐣.

!!! note PATCH 🌘 🛎 ⚙️ & 💭 🌘 PUT.

 & 📚 🏉 ⚙️ 🕴 `PUT`, 🍕 ℹ.

👆 **🆓** ⚙️ 👫 👐 👆 💚, **FastAPI** 🚫 🚫 🙆 🚫.

✋️ 👉 🦮 🎦 👆, 🌖 ⚖️ 🌘, ❔ 👫 🎯 ⚙️.

⚙️ Pydantic exclude_unset 🔢

🚥 👆 💚 📨 🍕 ℹ, ⚫️ 📶 ⚠ ⚙️ 🔢 exclude_unset Pydantic 🏷 .dict().

💖 item.dict(exclude_unset=True).

👈 🔜 🏗 dict ⏮️ 🕴 💽 👈 ⚒ 🕐❔ 🏗 item 🏷, 🚫 🔢 💲.

⤴️ 👆 💪 ⚙️ 👉 🏗 dict ⏮️ 🕴 💽 👈 ⚒ (📨 📨), 🚫 🔢 💲:

=== "🐍 3️⃣.6️⃣ & 🔛"

```Python hl_lines="34"
{!> ../../../docs_src/body_updates/tutorial002.py!}
```

=== "🐍 3️⃣.9️⃣ & 🔛"

```Python hl_lines="34"
{!> ../../../docs_src/body_updates/tutorial002_py39.py!}
```

=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"

```Python hl_lines="32"
{!> ../../../docs_src/body_updates/tutorial002_py310.py!}
```

⚙️ Pydantic update 🔢

🔜, 👆 💪 ✍ 📁 ♻ 🏷 ⚙️ .copy(), & 🚶‍♀️ update 🔢 ⏮️ dict ⚗ 💽 ℹ.

💖 stored_item_model.copy(update=update_data):

=== "🐍 3️⃣.6️⃣ & 🔛"

```Python hl_lines="35"
{!> ../../../docs_src/body_updates/tutorial002.py!}
```

=== "🐍 3️⃣.9️⃣ & 🔛"

```Python hl_lines="35"
{!> ../../../docs_src/body_updates/tutorial002_py39.py!}
```

=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"

```Python hl_lines="33"
{!> ../../../docs_src/body_updates/tutorial002_py310.py!}
```

🍕 ℹ 🌃

📄, ✔ 🍕 ℹ 👆 🔜:

• (⚗) ⚙️ PATCH ↩️ PUT.
• 🗃 🏪 💽.
• 🚮 👈 💽 Pydantic 🏷.
• 🏗 dict 🍵 🔢 💲 ⚪️➡️ 🔢 🏷 (⚙️ exclude_unset).
  • 👉 🌌 👆 💪 ℹ 🕴 💲 🤙 ⚒ 👩‍💻, ↩️ 🔐 💲 ⏪ 🏪 ⏮️ 🔢 💲 👆 🏷.
• ✍ 📁 🏪 🏷, 🛠️ ⚫️ 🔢 ⏮️ 📨 🍕 ℹ (⚙️ update 🔢).
• 🗜 📁 🏷 🕳 👈 💪 🏪 👆 💽 (🖼, ⚙️ jsonable_encoder).
  • 👉 ⭐ ⚙️ 🏷 .dict() 👩‍🔬 🔄, ✋️ ⚫️ ⚒ 💭 (& 🗜) 💲 💽 🆎 👈 💪 🗜 🎻, 🖼, datetime str.
• 🖊 💽 👆 💽.
• 📨 ℹ 🏷.

=== "🐍 3️⃣.6️⃣ & 🔛"

```Python hl_lines="30-37"
{!> ../../../docs_src/body_updates/tutorial002.py!}
```

=== "🐍 3️⃣.9️⃣ & 🔛"

```Python hl_lines="30-37"
{!> ../../../docs_src/body_updates/tutorial002_py39.py!}
```

=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"

```Python hl_lines="28-35"
{!> ../../../docs_src/body_updates/tutorial002_py310.py!}
```

!!! tip 👆 💪 🤙 ⚙️ 👉 🎏 ⚒ ⏮️ 🇺🇸🔍 PUT 🛠️.

✋️ 🖼 📥 ⚙️ `PATCH` ↩️ ⚫️ ✍ 👫 ⚙️ 💼.

!!! note 👀 👈 🔢 🏷 ✔.

, 🚥 👆 💚 📨 🍕 ℹ 👈 💪 🚫 🌐 🔢, 👆 💪 ✔️ 🏷 ⏮️ 🌐 🔢 ™ 📦 (⏮️ 🔢 💲 ⚖️ `None`).

🔬 ⚪️➡️ 🏷 ⏮️ 🌐 📦 💲 **ℹ** & 🏷 ⏮️ ✔ 💲 **🏗**, 👆 💪 ⚙️ 💭 🔬 [➕ 🏷](extra-models.md){.internal-link target=_blank}.