More comments in code
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6 changed files with 32 additions and 2 deletions
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@ -2,12 +2,11 @@ import os
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import secrets
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from pathlib import Path
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from dotenv import load_dotenv
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from fastapi.templating import Jinja2Templates
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from pydantic import BaseSettings
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# Directories
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file_dir = Path(__file__).parent
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templates_dir = str(
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file_dir.parent / 'templates'
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@ -17,6 +16,7 @@ static_dir = str(
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)
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# Main configuration
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class Settings(BaseSettings):
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debug: bool = False
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session_key: str = secrets.token_hex(32)
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@ -25,6 +25,7 @@ class Settings(BaseSettings):
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settings = Settings()
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# Jinja templates handler
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templates = Jinja2Templates(
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directory=templates_dir,
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)
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@ -22,16 +22,24 @@ paths: List[Type[Paths]] = [
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]
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# Initialize SQL database
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db.Base.metadata.create_all(bind=db.engine)
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# Create app
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app = FastAPI()
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# Mount static files server
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app.mount(
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'/static',
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StaticFiles(directory=common.static_dir),
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name='static',
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)
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# Add paths
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for p in paths:
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p(app).add_paths()
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# Add WTForms CSRF protection middlewares
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app.add_middleware(
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SessionMiddleware,
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secret_key=common.settings.session_key,
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@ -20,6 +20,7 @@ class ErrorsPaths(Paths):
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def add_paths(self) -> None:
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# For each HTTP code specified above
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for code in codes:
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self.add_handler(code)
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@ -31,14 +32,19 @@ class ErrorsPaths(Paths):
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code (int): HTTP error code
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"""
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# Jinja template file name
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# e.g. 404.html for 404 code
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file = Path(common.templates_dir) / f'{code}.html'
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# Exit from the function
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# if the template does not exist
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if not file.exists():
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return
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@self.app.exception_handler(code)
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async def handler(req: Request, exc: HTTPException) -> Response:
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# Respond with the template
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return respond.with_tmpl(
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f'{code}.html',
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code=code,
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@ -6,6 +6,7 @@ from . import models
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from . import schemas
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# SELECT * from users LIMIT 1
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def get_user(
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db: Session,
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user_id: int) -> Optional[models.User]:
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@ -16,6 +17,7 @@ def get_user(
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.first()
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# SELECT * from users
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def get_users(
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db: Session,
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skip: int = 0,
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@ -28,6 +30,7 @@ def get_users(
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.all()
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# INSERT INTO users
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def create_user(
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db: Session,
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user: schemas.UserCreate) -> models.User:
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@ -9,6 +9,7 @@ from sqlalchemy.orm import Session, sessionmaker
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from sqlalchemy.ext.declarative import declarative_base
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# Database configuration
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class SqlSettings(BaseSettings):
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db_host: str = '${REPO_NAME_SNAKE}_db'
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db_port: int = 3306
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@ -18,24 +19,31 @@ class SqlSettings(BaseSettings):
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sql_settings = SqlSettings()
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# DB connection URL
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db_url = (
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'mysql://{db_user}:{db_password}@'
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'{db_host}:{db_port}/{db_database}'
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).format(**sql_settings.dict())
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# SQLAlchemy engine object
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engine = create_engine(db_url)
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# Create DB if not exists
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if not database_exists(db_url):
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create_database(db_url)
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# SQLAlchemy Session object
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SessionLocal = sessionmaker(
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autoflush=False,
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bind=engine,
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)
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# SQLAlchemy Base object
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Base = declarative_base()
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# FastAPI dependency
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async def get_db() -> AsyncGenerator[Session, None]:
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"""FastAPI dependency
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returning database Session object.
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@ -1,12 +1,16 @@
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from pydantic import BaseModel
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# Pydantic class for
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# INSERT queries on a User model
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class UserCreate(BaseModel):
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email: str
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name: str
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age: int
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# Pydantic class for
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# SELECT responses with User model(-s)
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class User(UserCreate):
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id: int
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