\uc758\uc874\uc131\uc744 \uc0ac\uc6a9\ud558\ub294 \uc11c\ube44\uc2a4 \uad6c\ud604\ud558\uae30<\/li>\n<\/ol>\n2.1 \uc758\uc874\uc131 \ud568\uc218 \uc815\uc758\ud558\uae30<\/h3>\n
\uc758\uc874\uc131 \ud568\uc218\ub294 \ub2e4\ub978 \ub77c\uc6b0\ud2b8\uc5d0\uc11c \uc7ac\uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \uacf5\ud1b5\uc801\uc778 \uae30\ub2a5\uc744 \uc815\uc758\ud569\ub2c8\ub2e4. \uc544\ub798\uc758 \uc608\uc81c\uc5d0\uc11c\ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc5f0\uacb0\uc744 \uc758\uc874\uc131\uc73c\ub85c \uc124\uc815\ud558\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4:<\/p>\n
\nfrom fastapi import Depends, FastAPI\n\napp = FastAPI()\n\n# \uc758\uc874\uc131 \ud568\uc218 \uc815\uc758\ndef get_db():\n db = \"\ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc5f0\uacb0\"\n try:\n yield db\n finally:\n print(\"\ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc5f0\uacb0 \uc885\ub8cc\")\n<\/pre>\n2.2 \uc758\uc874\uc131\uc744 \ub77c\uc6b0\ud2b8\uc5d0 \uc8fc\uc785\ud558\uae30<\/h3>\n
\uc758\uc874\uc131 \ud568\uc218\ub97c \uc815\uc758\ud55c \ud6c4, \uc774\ub97c \ub77c\uc6b0\ud2b8\uc5d0\uc11c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc544\ub798\uc758 \uc0d8\ud50c \ucf54\ub4dc\uc5d0\uc11c\ub294 \uc55e\uc11c \uc815\uc758\ud55c get_db<\/code> \ud568\uc218\ub97c \ub77c\uc6b0\ud2b8\uc5d0 \uc8fc\uc785\ud569\ub2c8\ub2e4:<\/p>\n\n@app.get(\"\/items\/\")\nasync def read_items(db: str = Depends(get_db)):\n return {\"message\": \"\ud56d\ubaa9 \uc815\ubcf4\ub97c \uac00\uc838\uc654\uc2b5\ub2c8\ub2e4.\", \"db_connection\": db}\n<\/pre>\n2.3 \uc758\uc874\uc131\uc744 \uc0ac\uc6a9\ud558\ub294 \uc11c\ube44\uc2a4 \uad6c\ud604\ud558\uae30<\/h3>\n
\uc758\uc874\uc131 \uc8fc\uc785\uc744 \ud1b5\ud574 \uc11c\ube44\uc2a4 \uacc4\uce35\uc744 \uad6c\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. FastAPI\uc5d0\uc11c\ub294 \uc774\ub7ec\ud55c \uc11c\ube44\uc2a4\ub97c \uc27d\uac8c \uad6c\ud604\ud560 \uc218 \uc788\uac8c \ub3c4\uc640\uc90d\ub2c8\ub2e4. \ub2e4\uc74c \uc608\uc81c\uc5d0\uc11c\ub294 \uc758\uc874\uc131 \uc8fc\uc785\uc744 \ud1b5\ud574 \uc0ac\uc6a9\uc790 \uc815\ubcf4\ub97c \ucc98\ub9ac\ud558\ub294 \uc11c\ube44\uc2a4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4:<\/p>\n
\nclass UserService:\n def __init__(self, db: str):\n self.db = db\n\n def get_user(self, user_id: int):\n # \uc0ac\uc6a9\uc790 \uc815\ubcf4\ub97c \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0\uc11c \uac00\uc838\uc624\ub294 \ub85c\uc9c1\n return {\"user_id\": user_id, \"db_connection\": self.db}\n\n@app.get(\"\/users\/{user_id}\")\nasync def read_user(user_id: int, db: str = Depends(get_db)):\n service = UserService(db)\n return service.get_user(user_id)\n<\/pre>\n3. FastAPI\uc5d0\uc11c\uc758 \uc758\uc874\uc131 \uc8fc\uc785 \uc0ac\uc6a9 \uc608\uc81c<\/h2>\n3.1 \uc608\uc81c: \uac04\ub2e8\ud55c \uac8c\uc2dc\ud310 API<\/h3>\n
\uc544\ub798\ub294 FastAPI\ub97c \uc0ac\uc6a9\ud558\uc5ec \uac04\ub2e8\ud55c \uac8c\uc2dc\ud310 API\ub97c \uad6c\ud604\ud558\ub294 \uc608\uc81c\uc785\ub2c8\ub2e4. \uc774 \uc608\uc81c\uc5d0\uc11c\ub294 \uc758\uc874\uc131 \uc8fc\uc785\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc5f0\uacb0\uacfc \uac8c\uc2dc\ubb3c \uc11c\ube44\uc2a4\ub97c \uad00\ub9ac\ud569\ub2c8\ub2e4.<\/p>\n
\nfrom fastapi import FastAPI, Depends\nfrom typing import List\n\napp = FastAPI()\n\n# \uac00\uc0c1 \ub370\uc774\ud130\ubca0\uc774\uc2a4\nposts_db = []\n\n# \uc758\uc874\uc131 \ud568\uc218\ndef get_db():\n return posts_db\n\n# \uac8c\uc2dc\ubb3c \ubaa8\ub378\nclass Post:\n id: int\n title: str\n content: str\n\n# \uac8c\uc2dc\ubb3c \uc11c\ube44\uc2a4\nclass PostService:\n def __init__(self, db: List[Post]):\n self.db = db\n\n def create_post(self, title: str, content: str):\n post = Post(id=len(self.db) + 1, title=title, content=content)\n self.db.append(post)\n return post\n \n def get_posts(self):\n return self.db\n\n# \uac8c\uc2dc\ubb3c \uc0dd\uc131 API\n@app.post(\"\/posts\/\", response_model=Post)\nasync def create_post(title: str, content: str, db: List[Post] = Depends(get_db)):\n service = PostService(db)\n return service.create_post(title, content)\n\n# \ubaa8\ub4e0 \uac8c\uc2dc\ubb3c \uc870\ud68c API\n@app.get(\"\/posts\/\", response_model=List[Post])\nasync def read_posts(db: List[Post] = Depends(get_db)):\n service = PostService(db)\n return service.get_posts()\n<\/pre>\n4. \ud14c\uc2a4\ud2b8\uc640 \ud65c\uc6a9<\/h2>\n
\uc758\uc874\uc131 \uc8fc\uc785\uc744 \ud65c\uc6a9\ud558\uc5ec \uac01 \uc131\uacf5\uc801\uc778 \ud14c\uc2a4\ud2b8\ub97c \uc791\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, PostService<\/code>\uc758 \uc778\uc2a4\ud134\uc2a4\ub97c \ubaa8\uc758 \uac1d\uccb4\ub85c \uc8fc\uc785\ud558\uc5ec, \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640\uc758 \uc758\uc874\uc131\uc744 \uc904\uc774\uba74\uc11c\ub3c4 \uc11c\ube44\uc2a4 \ub85c\uc9c1\uc744 \ud14c\uc2a4\ud2b8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n4.1 pytest\ub97c \ud65c\uc6a9\ud55c \ud14c\uc2a4\ud2b8 \uc608\uc81c<\/h3>\n
\ub9ac\uc5bc \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ub300\uc2e0 \uac04\ub2e8\ud55c \ubaa9(mock) \ub370\uc774\ud130\ub97c \uc0ac\uc6a9\ud574 \ud14c\uc2a4\ud2b8\ud558\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\ub4dc\ub9bd\ub2c8\ub2e4:<\/p>\n
\nfrom fastapi.testclient import TestClient\n\nclient = TestClient(app)\n\ndef test_create_post():\n response = client.post(\"\/posts\/\", json={\"title\": \"\ud14c\uc2a4\ud2b8 \uc81c\ubaa9\", \"content\": \"\ud14c\uc2a4\ud2b8 \ub0b4\uc6a9\"})\n assert response.status_code == 200\n assert response.json()[\"title\"] == \"\ud14c\uc2a4\ud2b8 \uc81c\ubaa9\"\n\ndef test_read_posts():\n response = client.get(\"\/posts\/\")\n assert response.status_code == 200\n assert len(response.json()) > 0\n<\/pre>\n5. \uacb0\ub860<\/h2>\n
FastAPI\uc5d0\uc11c\uc758 \uc758\uc874\uc131 \uc8fc\uc785\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uad6c\uc870\ub97c \uba85\ud655\ud788 \ud558\uace0, \ucf54\ub4dc\uc758 \uac00\ub3c5\uc131\uc744 \ub192\uc774\uba70, \uc720\uc9c0\ubcf4\uc218 \ubc0f \ud14c\uc2a4\ud2b8\ub97c \uc27d\uac8c \ub9cc\ub4e4\uc5b4 \uc90d\ub2c8\ub2e4. \uc758\uc874\uc131 \uc8fc\uc785\uc758 \uac1c\ub150\uc744 \uc774\ud574\ud558\uace0, \uc774\ub97c FastAPI\uc5d0\uc11c \ud6a8\uacfc\uc801\uc73c\ub85c \ud65c\uc6a9\ud560 \uc218 \uc788\ub3c4\ub85d \ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \ubcf8 \uae00\uc5d0\uc11c \uc81c\uacf5\ud55c \uc608\uc81c\uc640 \uac1c\ub150\ub4e4\uc774 \uc5ec\ub7ec\ubd84\uc758 \uc6f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac1c\ubc1c\uc5d0 \ub9ce\uc740 \ub3c4\uc6c0\uc774 \ub418\uae38 \ubc14\ub78d\ub2c8\ub2e4. FastAPI\ub97c \ud1b5\ud55c \uc11c\ubc84 \uac1c\ubc1c\uc744 \ud1b5\ud558\uc5ec \uc5ec\ub7ec\ubd84\uc758 \ud504\ub85c\uc81d\ud2b8\ub97c \ud55c \ub2e8\uacc4 \ub354 \ubc1c\uc804\uc2dc\ucf1c \ubcf4\uc138\uc694!<\/p>\n
<\/body><\/p>\n","protected":false},"excerpt":{"rendered":"
FastAPI\ub294 \ud604\ub300\uc801\uc778 Python \uc6f9 \ud504\ub808\uc784\uc6cc\ud06c\ub85c, \ube44\ub3d9\uae30 \ud504\ub85c\uadf8\ub798\ubc0d \uae30\ub2a5\uacfc \ub370\uc774\ud130 \uc720\ud6a8\uc131 \uac80\uc0ac\ub97c \ub9e4\uc6b0 \ud6a8\uc728\uc801\uc73c\ub85c \ucc98\ub9ac\ud560 \uc218 \uc788\ub294 \uac15\ub825\ud55c \ub3c4\uad6c\uc785\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 FastAPI\uc5d0\uc11c\uc758 \uc758\uc874\uc131 \uc8fc\uc785(Dependency Injection, DI)\uc758 \uac1c\ub150\uacfc \uc774\ub97c \uad6c\ud604\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc2ec\ub3c4 \uc788\uac8c \ub2e4\ub8e8\uaca0\uc2b5\ub2c8\ub2e4. 1. \uc758\uc874\uc131 \uc8fc\uc785(Dependency Injection) \uac1c\ub150 \uc758\uc874\uc131 \uc8fc\uc785\uc740 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uac1c\ubc1c\uc5d0\uc11c \uac1d\uccb4\uc758 \uc758\uc874\uc131\uc744 \uad00\ub9ac\ud558\ub294 \ud328\ud134\uc785\ub2c8\ub2e4. \uc774\ub294 \uac1d\uccb4\uac00 \ud544\uc694\ud55c \uc758\uc874\uc131\uc744 \uc2a4\uc2a4\ub85c \uc0dd\uc131\ud558\ub294 \uac83\uc774 \uc544\ub2c8\ub77c, \uc678\ubd80\uc5d0\uc11c … \ub354 \ubcf4\uae30 “FastAPI \uc11c\ubc84\uac1c\ubc1c, \uc758\uc874\uc131 \uc8fc\uc785\uc758 \uac1c\ub150 \ubc0f FastAPI\uc5d0\uc11c\uc758 \uad6c\ud604”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[183],"tags":[],"class_list":["post-38504","post","type-post","status-publish","format-standard","hentry","category-fastapi"],"yoast_head":"\nFastAPI \uc11c\ubc84\uac1c\ubc1c, \uc758\uc874\uc131 \uc8fc\uc785\uc758 \uac1c\ub150 \ubc0f FastAPI\uc5d0\uc11c\uc758 \uad6c\ud604 - 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