Merge pull request #78 from grillazz/36-add-performance-tests-with-locust

refactor project settings

README.md

@@ -7,7 +7,9 @@
 
 ![fastapi-sqlalchemy-asyncpg](/static/fsap_1.jpg)
 
-Example for [FastAPI](https://fastapi.tiangolo.com/) integration with [SQLAlchemy](https://www.sqlalchemy.org/) ORM with PostgreSQL via [asyncpg](https://github.com/MagicStack/asyncpg) a fast Database Client Library for python/asyncio.
+Example of [FastAPI](https://fastapi.tiangolo.com/) integration supported by almighty [Pydantic](https://github.com/pydantic/pydantic)
+with [SQLAlchemy ORM](https://www.sqlalchemy.org/) and PostgreSQL 
+connected via fastest Database Client Library for python/asyncio [asyncpg](https://github.com/MagicStack/asyncpg).
 
 Beside of using latest and greatest version of [SQLAlchemy](https://www.sqlalchemy.org/) with it robustness, powerfulness and speed
 of [asyncpg](https://github.com/MagicStack/asyncpg) there is [FastAPI](https://fastapi.tiangolo.com/) (modern, fast (high-performance), 

app/config.py

@@ -1,46 +1,20 @@
 import os
 from functools import lru_cache
 
-from pydantic import BaseSettings
-
-from app.utils import get_logger
-
-logger = get_logger(__name__)
+from pydantic import BaseSettings, PostgresDsn
 
 
 class Settings(BaseSettings):
-    """
-
-    BaseSettings, from Pydantic, validates the data so that when we create an instance of Settings,
-     environment and testing will have types of str and bool, respectively.
-
-    Parameters:
-    pg_user (str):
-    pg_pass (str):
-    pg_database: (str):
-    pg_test_database: (str):
-    asyncpg_url: AnyUrl:
-    asyncpg_test_url: AnyUrl:
-
-    Returns:
-    instance of Settings
-
-    """
-
-    pg_user: str = os.getenv("SQL_USER", "")
-    pg_pass: str = os.getenv("POSTGRES_PASSWORD", "")
-    pg_host: str = os.getenv("SQL_HOST", "")
-    pg_database: str = os.getenv("SQL_DB", "")
-    asyncpg_url: str = (
-        f"postgresql+asyncpg://{pg_user}:{pg_pass}@{pg_host}:5432/{pg_database}"
+    asyncpg_url: PostgresDsn = PostgresDsn.build(
+        scheme="postgresql+asyncpg",
+        user=os.getenv("SQL_USER"),
+        password=os.getenv("POSTGRES_PASSWORD"),
+        host=os.getenv("SQL_HOST"),
+        port="5432",
+        path=f"/{os.getenv('SQL_DB') or ''}",
     )
 
-    jwt_secret_key: str = os.getenv("SECRET_KEY", "")
-    jwt_algorithm: str = os.getenv("ALGORITHM", "")
-    jwt_access_toke_expire_minutes: int = os.getenv("ACCESS_TOKEN_EXPIRE_MINUTES", 1)
-
 
 @lru_cache
 def get_settings():
-    logger.info("Loading config settings from the environment...")
     return Settings()

app/database.py

@@ -1,6 +1,5 @@
 from collections.abc import AsyncGenerator
 
-from fastapi.encoders import jsonable_encoder
 from sqlalchemy.ext.asyncio import AsyncSession, create_async_engine
 from sqlalchemy.orm import sessionmaker
 
@@ -10,13 +9,11 @@ from app.utils import get_logger
 logger = get_logger(__name__)
 
 global_settings = config.get_settings()
-url = global_settings.asyncpg_url
 
 engine = create_async_engine(
-    url,
+    global_settings.asyncpg_url,
     future=True,
     echo=True,
-    json_serializer=jsonable_encoder,
 )
 
 # expire_on_commit=False will prevent attributes from being expired

app/main.py

@@ -7,7 +7,7 @@ from app.utils import get_logger
 
 logger = get_logger(__name__)
 
-app = FastAPI(title="Stuff And Nonsense API", version="0.4")
+app = FastAPI(title="Stuff And Nonsense API", version="0.5")
 
 app.include_router(stuff_router)
 app.include_router(nonsense_router)