FastAPI\ub294 \ud604\ub300\uc801\uc778 \uc6f9 \ud504\ub808\uc784\uc6cc\ud06c \uc911 \ud558\ub098\ub85c, Python\uc73c\ub85c API\ub97c \uc190\uc27d\uac8c \ub9cc\ub4e4 \uc218 \uc788\ub3c4\ub85d \ub3d5\uc2b5\ub2c8\ub2e4. \ube44\ub3d9\uae30 \ucc98\ub9ac\ub97c \uc9c0\uc6d0\ud558\uba70 \ub192\uc740 \uc131\ub2a5\uc744 \uc790\ub791\ud558\ub294 FastAPI\ub294 RESTful API \uac1c\ubc1c\uc5d0 \ucd5c\uc801\ud654\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 FastAPI\ub97c \uc0ac\uc6a9\ud55c \uc11c\ubc84 \uac1c\ubc1c \uc8fc\uc81c\ub85c CRUD(Create, Read, Update, Delete) \uc5f0\uc0b0 \uc911 ‘Delete’ \uc791\uc5c5\uc5d0 \ub300\ud574 \ub2e4\ub8e8\uc5b4 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n
FastAPI\ub294 Starlette\uc640 Pydantic\uc744 \uae30\ubc18\uc73c\ub85c \ud558\uba70, OpenAPI\uc640 JSON Schema\ub97c \uc9c0\uc6d0\ud558\uc5ec \uc0ac\uc6a9\uc790\uc640\uc758 \uc0c1\ud638\uc791\uc6a9\uc744 \ub354\uc6b1 \ub9e4\ub044\ub7fd\uac8c \ud574\uc90d\ub2c8\ub2e4. Python \ud0c0\uc785 \ud78c\ud2b8\uc640 \ubb38\uc11c\ud654 \uae30\ub2a5 \ub355\ubd84\uc5d0, \uac1c\ubc1c\uc790\ub294 \uc624\ub958\ub97c \uc904\uc774\uace0 \ube60\ub974\uac8c \uac1c\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\uc774 \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c\ub294 FastAPI\uc640 SQLAlchemy\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640\uc758 \uc0c1\ud638\uc791\uc6a9\uc744 \uad6c\ud604\ud569\ub2c8\ub2e4. \uc544\ub798\uc758 \uacfc\uc815\uc744 \ud1b5\ud574 FastAPI \ud658\uacbd\uc744 \uc124\uc815\ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n
FastAPI\uc640 SQLAlchemy\ub97c \uc124\uce58\ud558\uae30 \uc704\ud574\uc11c\ub294 \uba3c\uc800 pip\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc544\ub798\uc758 \uba85\ub839\uc5b4\ub97c \uc2e4\ud589\ud558\uc5ec \uc124\uce58\ud569\ub2c8\ub2e4.<\/p>\n
pip install fastapi[all] sqlalchemy<\/code><\/pre>\n2.2 \ud504\ub85c\uc81d\ud2b8 \uad6c\uc870 \uc124\uc815<\/h3>\n
\uc544\ub798\uc640 \uac19\uc740 \uae30\ubcf8\uc801\uc778 \ub514\ub809\ud130\ub9ac \uad6c\uc870\ub97c \uc124\uc815\ud569\ub2c8\ub2e4.<\/p>\n
\nmy_fastapi_app\/\n\u2502\n\u251c\u2500\u2500 app\/\n\u2502 \u251c\u2500\u2500 main.py\n\u2502 \u251c\u2500\u2500 models.py\n\u2502 \u251c\u2500\u2500 schemas.py\n\u2502 \u2514\u2500\u2500 database.py\n\u2514\u2500\u2500 requirements.txt\n <\/code><\/pre>\n3. \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc124\uc815<\/h2>\n
\uc544\ub798\ub294 SQLAlchemy\ub97c \uc0ac\uc6a9\ud558\uc5ec SQLite \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub97c \uc124\uc815\ud558\ub294 \uc608\uc81c\uc785\ub2c8\ub2e4.<\/p>\n
3.1 database.py<\/h3>\n\nfrom sqlalchemy import create_engine\nfrom sqlalchemy.ext.declarative import declarative_base\nfrom sqlalchemy.orm import sessionmaker\n\nSQLALCHEMY_DATABASE_URL = \"sqlite:\/\/\/.\/test.db\"\n\nengine = create_engine(SQLALCHEMY_DATABASE_URL, connect_args={\"check_same_thread\": False})\nSessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)\n\nBase = declarative_base()\n <\/code><\/pre>\n3.2 \ubaa8\ub378 \uc815\uc758\ud558\uae30<\/h3>\n
\ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640 \uc0c1\ud638\uc791\uc6a9\ud558\uae30 \uc704\ud55c \ubaa8\ub378\uc744 \uc815\uc758\ud569\ub2c8\ub2e4.<\/p>\n
3.2.1 models.py<\/h4>\n\nfrom sqlalchemy import Column, Integer, String\nfrom .database import Base\n\nclass Item(Base):\n __tablename__ = \"items\"\n\n id = Column(Integer, primary_key=True, index=True)\n name = Column(String, index=True)\n description = Column(String, index=True)\n price = Column(Integer)\n is_active = Column(Boolean, default=True)\n <\/code><\/pre>\n4. \ub370\uc774\ud130 \uc870\uc791<\/h2>\n
\uc774\uc81c \uc0ad\uc81c \uc791\uc5c5\uc744 \ud3ec\ud568\ud55c CRUD \uc5f0\uc0b0\uc744 \uad6c\ud604\ud560 \uc218 \uc788\ub3c4\ub85d API \uc5d4\ub4dc\ud3ec\uc778\ud2b8\ub97c \uc0dd\uc131\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n
4.1 \uc2a4\ud0a4\ub9c8 \uc815\uc758\ud558\uae30<\/h3>\n
API \uc694\uccad\uacfc \uc751\ub2f5\uc744 \uc815\uc758\ud558\uae30 \uc704\ud574 Pydantic\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc2a4\ud0a4\ub9c8\ub97c \ub9cc\ub4ed\ub2c8\ub2e4.<\/p>\n
4.1.1 schemas.py<\/h4>\n\nfrom pydantic import BaseModel\n\nclass ItemBase(BaseModel):\n name: str\n description: str\n price: int\n\nclass ItemCreate(ItemBase):\n pass\n\nclass Item(ItemBase):\n id: int\n is_active: bool\n\n class Config:\n orm_mode = True\n <\/code><\/pre>\n4.2 CRUD \uc5f0\uc0b0 \uad6c\ud604<\/h3>\n
\uc774\uc81c FastAPI\uc640 SQLAlchemy\ub97c \ud1b5\ud569\ud558\uc5ec CRUD \uc5f0\uc0b0\uc744 \uad6c\ud604\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n
4.2.1 main.py<\/h4>\n\nfrom fastapi import FastAPI, Depends, HTTPException\nfrom sqlalchemy.orm import Session\nfrom . import models, schemas\nfrom .database import SessionLocal, engine\n\nmodels.Base.metadata.create_all(bind=engine)\n\napp = FastAPI()\n\n# Dependency\ndef get_db():\n db = SessionLocal()\n try:\n yield db\n finally:\n db.close()\n\n@app.delete(\"\/items\/{item_id}\", response_model=schemas.Item)\ndef delete_item(item_id: int, db: Session = Depends(get_db)):\n item = db.query(models.Item).filter(models.Item.id == item_id).first()\n if not item:\n raise HTTPException(status_code=404, detail=\"Item not found\")\n db.delete(item)\n db.commit()\n return item\n <\/code><\/pre>\n5. \uc124\uba85 \ubc0f \uc0ac\uc6a9<\/h2>\n
\uc704\uc758 \ucf54\ub4dc\uc5d0\uc11c \/items\/{item_id} \uacbd\ub85c\ub85c DELETE \uc694\uccad\uc744 \ubcf4\ub0b4\uba74 \ud574\ub2f9 ID\ub97c \uac00\uc9c4 \uc544\uc774\ud15c\uc774 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0\uc11c \uc0ad\uc81c\ub429\ub2c8\ub2e4. \ub9cc\uc57d \uc544\uc774\ud15c\uc774 \uc874\uc7ac\ud558\uc9c0 \uc54a\uc73c\uba74 404 Not Found \uc624\ub958\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n
5.1 \uc0ac\uc6a9 \uc608\uc2dc<\/h3>\n
Postman\uacfc \uac19\uc740 API \ud074\ub77c\uc774\uc5b8\ud2b8\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc694\uccad\uc744 \ud14c\uc2a4\ud2b8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ub2e4\uc74c\uacfc \uac19\uc740 DELETE \uc694\uccad\uc744 \ubcf4\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n
\nDELETE http:\/\/127.0.0.1:8000\/items\/1\n <\/code><\/pre>\n5.2 \uacb0\uacfc \ud655\uc778\ud558\uae30<\/h3>\n
DELETE \uc694\uccad\uc774 \uc131\uacf5\uc801\uc73c\ub85c \ucc98\ub9ac\ub418\uba74, \ud574\ub2f9 \uc544\uc774\ud15c\uc758 \ub370\uc774\ud130\uac00 \uc0ad\uc81c\ub418\uba70, \uc0ad\uc81c\ub41c \uc544\uc774\ud15c\uc758 \uc815\ubcf4\uac00 \uc751\ub2f5\uc73c\ub85c \ubc18\ud658\ub429\ub2c8\ub2e4.<\/p>\n
6. \uacb0\ub860<\/h2>\n
\uc774 \uae00\uc5d0\uc11c\ub294 FastAPI\ub97c \uc0ac\uc6a9\ud558\uc5ec Delete \uc5f0\uc0b0\uc744 \uad6c\ud604\ud558\ub294 \ubc29\ubc95\uc744 \ubc30\uc6e0\uc2b5\ub2c8\ub2e4. FastAPI\ub294 Python\uc73c\ub85c API\ub97c \uac1c\ubc1c\ud560 \ub54c \ub9e4\uc6b0 \uc720\uc6a9\ud55c \ub3c4\uad6c\uc774\uba70, \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640\uc758 \uc0c1\ud638\uc791\uc6a9\uc744 \ud1b5\ud574 \uc720\uc5f0\ud55c \uc11c\ube44\uc2a4\ub97c \uc81c\uacf5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. CRUD \uc5f0\uc0b0\uc758 \uae30\ubcf8\uc801\uc778 \uc0ac\uc6a9\ubc95\uc744 \uc775\ud614\ub2e4\uba74, \uc2e4\uc81c \ube44\uc988\ub2c8\uc2a4 \ub85c\uc9c1\uc744 \uad6c\ud604\ud558\ub294 \ub370 \ub354 \ub098\uc544\uac08 \uc218 \uc788\uc744 \uac83\uc785\ub2c8\ub2e4.<\/p>\n
7. \ucc38\uace0 \ubb38\ud5cc<\/h2>\n