Python \uc6f9\uc0ac\uc774\ud2b8<\/a>\uc5d0\uc11c \ub2e4\uc6b4\ub85c\ub4dc \ud6c4 \uc124\uce58\ud558\uc2dc\uae30 \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n1\ub2e8\uacc4: Virtual Environment \uc124\uc815\ud558\uae30<\/h3>\n
\ud504\ub85c\uc81d\ud2b8\ub97c \uc9c4\ud589\ud558\uae30\uc5d0 \uc55e\uc11c, \uac00\uc0c1 \ud658\uacbd\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc744 \ucd94\ucc9c\ud569\ub2c8\ub2e4. \uac00\uc0c1 \ud658\uacbd\uc744 \ud1b5\ud574 \uc758\uc874\uc131\uc744 \ubd84\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc544\ub798 \uba85\ub839\uc5b4\ub85c \uac00\uc0c1 \ud658\uacbd\uc744 \uc0dd\uc131\ud558\uace0 \ud65c\uc131\ud654\ud569\ub2c8\ub2e4.<\/p>\n
python -m venv fastapi_env\n# Windows\nfastapi_env\\Scripts\\activate\n# macOS\/Linux\nsource fastapi_env\/bin\/activate\n<\/code><\/pre>\n\uac00\uc0c1 \ud658\uacbd\uc774 \ud65c\uc131\ud654\ub418\uba74, \ucee4\ub9e8\ub4dc \ud504\ub86c\ud504\ud2b8\uc5d0 `(fastapi_env)`\uac00 \ud45c\uc2dc\ub429\ub2c8\ub2e4.<\/p>\n
2\ub2e8\uacc4: FastAPI \ubc0f Uvicorn \uc124\uce58\ud558\uae30<\/h3>\n
FastAPI\ub97c \uc124\uce58\ud558\ub824\uba74 pip\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc124\uce58\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. Uvicorn\uc740 FastAPI \uc571\uc744 \uc2e4\ud589\ud558\ub294 ASGI \uc11c\ubc84\uc785\ub2c8\ub2e4.<\/p>\n
pip install fastapi uvicorn\n<\/code><\/pre>\n3\ub2e8\uacc4: FastAPI \uc124\uce58 \ud655\uc778\ud558\uae30<\/h3>\n
FastAPI\uac00 \uc62c\ubc14\ub974\uac8c \uc124\uce58\ub418\uc5c8\ub294\uc9c0 \ud655\uc778\ud558\uae30 \uc704\ud574, \uac04\ub2e8\ud55c Python \uc2a4\ud06c\ub9bd\ud2b8\ub97c \uc791\uc131\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc544\ub798\uc640 \uac19\uc774 main.py<\/code> \ud30c\uc77c\uc744 \uc0dd\uc131\ud558\uc138\uc694.<\/p>\n# main.py\nfrom fastapi import FastAPI\n\napp = FastAPI()\n\n@app.get(\"\/\")\ndef read_root():\n return {\"Hello\": \"World\"}\n<\/code><\/pre>\nFastAPI \uc11c\ubc84 \uc2e4\ud589\ud558\uae30<\/h2>\n
\uc774\uc81c FastAPI \uc11c\ubc84\ub97c \uc2e4\ud589\ud560 \uc900\ube44\uac00 \ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc544\ub798\uc640 \uac19\uc774 \ub2e4\uc74c \uba85\ub839\uc5b4\ub97c \uc785\ub825\ud558\uc5ec \uc11c\ubc84\ub97c \uc2e4\ud589\ud558\uc138\uc694.<\/p>\n
uvicorn main:app --reload\n<\/code><\/pre>\n\uc5ec\uae30\uc11c main:app<\/code>\uc740 main.py<\/code> \ud30c\uc77c\uc758 app<\/code> \uac1d\uccb4\ub97c \ucc38\uc870\ud569\ub2c8\ub2e4. --reload<\/code> \ud50c\ub798\uadf8\ub294 \ucf54\ub4dc \ubcc0\uacbd \uc2dc \uc11c\ubc84\ub97c \uc790\ub3d9\uc73c\ub85c \ub2e4\uc2dc \ub85c\ub4dc\ud574\uc90d\ub2c8\ub2e4.<\/p>\n\ube0c\ub77c\uc6b0\uc800\uc5d0\uc11c http:\/\/127.0.0.1:8000<\/code>\uc5d0 \uc811\uc18d\ud558\uba74 \ub2e4\uc74c\uacfc \uac19\uc740 JSON \uc751\ub2f5\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n{\"Hello\": \"World\"}\n<\/code><\/pre>\nSwagger \ubb38\uc11c \ud655\uc778\ud558\uae30<\/h2>\n
FastAPI\ub294 \uc790\ub3d9\uc73c\ub85c Swagger UI\ub97c \uc0dd\uc131\ud558\uc5ec API \ubb38\uc11c\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc544\ub798 \uc8fc\uc18c\ub85c \uc774\ub3d9\ud558\uba74 API \ubb38\uc11c\ub97c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
http:\/\/127.0.0.1:8000\/docs<\/code><\/p>\nSwagger UI\uc5d0\uc11c\ub294 \uc6b0\ub9ac\uac00 \uc815\uc758\ud55c API\uc758 \uc5d4\ub4dc\ud3ec\uc778\ud2b8\ub97c \ud655\uc778\ud558\uace0, \uc9c1\uc811 \ud638\ucd9c\ud574\ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
FastAPI \uae30\ubcf8 \uad6c\uc870 \uc18c\uac1c<\/h2>\n
\uc704\uc758 \uc608\uc81c\uc5d0\uc11c \uc0ac\uc6a9\ub41c \uae30\ubcf8 FastAPI \uad6c\uc870\uc5d0 \ub300\ud574 \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4. FastAPI\uc758 \uc8fc\uc694 \uad6c\uc131 \uc694\uc18c\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n
\n- FastAPI \uc778\uc2a4\ud134\uc2a4:<\/strong>
app = FastAPI()<\/code>\ub85c \uc778\uc2a4\ud134\uc2a4\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \uc774 ‘app’ \uac1d\uccb4\ub294 \ub77c\uc6b0\ud130 \ubc0f \ubbf8\ub4e4\uc6e8\uc5b4\ub97c \ud3ec\ud568\ud569\ub2c8\ub2e4.<\/li>\n- \ub77c\uc6b0\ud2b8 \uc815\uc758:<\/strong> @app.get(“\/”)\ub294 GET \uc694\uccad\uc744 \ucc98\ub9ac\ud558\ub294 \ub77c\uc6b0\ud2b8\ub97c \uc815\uc758\ud569\ub2c8\ub2e4. \uc694\uccad\uc744 \ubc1b\uc73c\uba74
read_root<\/code> \ud568\uc218\uac00 \ud638\ucd9c\ub429\ub2c8\ub2e4.<\/li>\n- \uc751\ub2f5:<\/strong> JSON \ud615\ud0dc\ub85c \uc751\ub2f5\uc744 \ubc18\ud658\ud558\uba70, FastAPI\ub294 \uc790\ub3d9\uc73c\ub85c Content-Type \ud5e4\ub354\uc640 \uc0c1\ud0dc \ucf54\ub4dc\ub97c \uc124\uc815\ud574\uc90d\ub2c8\ub2e4.<\/li>\n<\/ul>\n
FastAPI\uc5d0\uc11c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \uc5ec\ub7ec \uae30\ub2a5\ub4e4<\/h2>\n
FastAPI\ub294 \ub2e4\uc591\ud55c \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uba87 \uac00\uc9c0 \uc8fc\uc694 \uae30\ub2a5\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n
\n- \ud0c0\uc785 \uc2dc\uc2a4\ud15c:<\/strong> \ud30c\ub77c\ubbf8\ud130\uc640 \uc751\ub2f5\uc758 \ub370\uc774\ud130 \ud0c0\uc785\uc744 \uba85\ud655\ud788 \uc815\uc758\ud558\uace0 \uc720\ud6a8\uc131 \uac80\uc0ac\ub97c \uc790\ub3d9\uc73c\ub85c \uc218\ud589\ud569\ub2c8\ub2e4.<\/li>\n
- \uac70\ub300\ud55c \uad6c\uc131\uc694\uc18c:<\/strong> \ub2e4\uc591\ud55c \uc778\uc99d \ubc0f \uad8c\ud55c \ubd80\uc5ec \uc635\uc158\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/li>\n
- \ube44\ub3d9\uae30 \ud504\ub85c\uadf8\ub798\ubc0d:<\/strong>
async\/await<\/code>\uc744 \ud65c\uc6a9\ud558\uc5ec \ube44\ub3d9\uae30 \uc694\uccad \ucc98\ub9ac \uac00\ub2a5.<\/li>\n- \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ud1b5\ud569:<\/strong> SQLAlchemy\uc640 \uac19\uc774 \ub2e4\ub978 ORM\uc744 \uc27d\uac8c \ud1b5\ud569\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n
\uae30\ubcf8\uc801\uc778 CRUD API \uad6c\ud604\ud574\ubcf4\uae30<\/h2>\n
\uc774\uc81c FastAPI\uc758 \uae30\ubcf8 \uad6c\uc870\ub97c \uc774\ud574\ud588\uc73c\ub2c8, \uac04\ub2e8\ud55c CRUD(Create, Read, Update, Delete) API\ub97c \uad6c\ud604\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc544\ub798\ub294 \uba54\ubaa8\ub97c \uad00\ub9ac\ud558\ub294 API\uc758 \uc608\uc785\ub2c8\ub2e4.<\/p>\n
# main.py\nfrom fastapi import FastAPI\nfrom pydantic import BaseModel\nfrom typing import List\n\napp = FastAPI()\n\nclass Memo(BaseModel):\n id: int\n content: str\n\nmemo_list = []\n\n@app.post(\"\/memos\/\", response_model=Memo)\ndef create_memo(memo: Memo):\n memo_list.append(memo)\n return memo\n\n@app.get(\"\/memos\/\", response_model=List[Memo])\ndef read_memos():\n return memo_list\n\n@app.put(\"\/memos\/{memo_id}\", response_model=Memo)\ndef update_memo(memo_id: int, memo: Memo):\n for idx, m in enumerate(memo_list):\n if m.id == memo_id:\n memo_list[idx] = memo\n return memo\n return None\n\n@app.delete(\"\/memos\/{memo_id}\")\ndef delete_memo(memo_id: int):\n global memo_list\n memo_list = [m for m in memo_list if m.id != memo_id]\n return {\"message\": \"\uc0ad\uc81c\ub418\uc5c8\uc2b5\ub2c8\ub2e4.\"}\n<\/code><\/pre>\n