sync

flask_demo_api/config.py

@@ -0,0 +1,8 @@
+from dataclasses import dataclass
+
+from repository.config import RedisSettings
+
+
+@dataclass(frozen=True)
+class Settings:
+    redis: RedisSettings

flask_demo_api/ioc.py

@@ -0,0 +1,47 @@
+import redis  # type: ignore
+from config import Settings
+from dishka import Container, Provider, Scope, make_container, provide
+from protocols.repository import Repository
+from repository.config import RedisSettings
+from repository.redis import RedisRepository
+from usecase.get import GetKey
+
+
+class RedisSettingsProvider(Provider):
+    @provide(scope=Scope.APP)
+    def redis_settings(self) -> RedisSettings:
+        return RedisSettings()
+
+
+class SettingsProvider(Provider):
+    @provide(scope=Scope.APP)
+    def main_settings(self, redis_settings: RedisSettings) -> Settings:
+        return Settings(redis=redis_settings)
+
+
+class RedisPoolProvider(Provider):
+    @provide(scope=Scope.APP)
+    def get_redis_pool(self, redis_settings: RedisSettings) -> redis.Redis:
+        return redis.from_url(redis_settings.url, decode_responses=False)
+
+
+class RepositoryProvider(Provider):
+    @provide(scope=Scope.REQUEST)
+    def get_db(self, redis_pool: redis.Redis) -> Repository:
+        return RedisRepository(redis_pool=redis_pool)
+
+
+class UseCasesProvider(Provider):
+    scope = Scope.REQUEST
+
+    get = provide(GetKey)
+
+
+def create_container() -> Container:
+    return make_container(
+        RedisSettingsProvider(),
+        SettingsProvider(),
+        RedisPoolProvider(),
+        RepositoryProvider(),
+        UseCasesProvider(),
+    )

flask_demo_api/main.py

@@ -1,4 +1,6 @@
+from dishka.integrations.flask import setup_dishka
 from flask import Flask
+from ioc import create_container
 from routers.key import key_bp
 
 
@@ -10,4 +12,9 @@ def app_factory() -> Flask:
 
 if __name__ == "__main__":
     app = app_factory()
-    app.run(debug=True)
+    container = create_container()
+    setup_dishka(container=container, app=app, auto_inject=True)
+    try:
+        app.run(debug=True, host="0.0.0.0")
+    finally:
+        container.close()

flask_demo_api/protocols/repository.py

@@ -1,7 +1,7 @@
 from abc import abstractmethod
 from typing import Protocol
 
-from flask_demo_api.protocols.models import KeyDTO
+from protocols.models import KeyDTO
 
 
 class Repository(Protocol):

flask_demo_api/repository/config.py

@@ -0,0 +1,6 @@
+from dataclasses import dataclass
+
+
+@dataclass(frozen=True)
+class RedisSettings:
+    url: str = "redis://redis:6379/0"

flask_demo_api/repository/redis.py

@@ -1,7 +1,6 @@
-import redis
-
-from flask_demo_api.protocols.models import KeyDTO
-from flask_demo_api.protocols.repository import Repository
+import redis  # type: ignore
+from protocols.models import KeyDTO
+from protocols.repository import Repository
 
 
 class RedisRepository(Repository):

flask_demo_api/usecase/get.py

@@ -1,5 +1,5 @@
-from flask_demo_api.protocols.models import KeyDTO
-from flask_demo_api.protocols.repository import Repository
+from protocols.models import KeyDTO
+from protocols.repository import Repository
 
 
 class GetKey: