add settings that read env vars

martin_eden/core.py

@@ -16,6 +16,7 @@
                                  FindControllerError, get_controller,
                                  register_route)
 from martin_eden.utils import get_argument_names
+from martin_eden.settings import Settings
 
 db = DataBase()
 
@@ -165,7 +166,8 @@ def _configure_sockets(self) -> None:
             socket.SOL_SOCKET, socket.SO_REUSEADDR, 1,
         )
 
-        server_address = ('localhost', 8001)
+        settings = Settings()
+        server_address = (settings.server_host, settings.server_port)
         self.server_socket.setblocking(False)
         self.server_socket.bind(server_address)
 

martin_eden/database.py

@@ -2,6 +2,7 @@
 from dataclasses import field, make_dataclass
 from datetime import date, datetime
 from typing import Any, Callable, Iterable
+from martin_eden.settings import Settings
 
 from marshmallow.fields import Date, DateTime, Int, Nested, Str
 from marshmallow_enum import EnumField as MarshmallowEnum
@@ -139,8 +140,9 @@ def __new__(cls, name: str, bases: Iterable, fields: dict) -> type:
 
 class DataBase:
     def __init__(self) -> None:
+        settings = Settings()
         self.engine: AsyncEngine = create_async_engine(
-            'postgresql+asyncpg://alexander.bezgin:123@localhost/framework',
+            settings.postgres_url,
             echo=True,
         )
         self.create_session: Callable = async_sessionmaker(self.engine)

martin_eden/settings.py

@@ -0,0 +1,23 @@
+import os
+
+
+def read_env(var_name, default=None):
+    if default is None:
+        return os.environ[var_name]
+    else:
+        return os.environ.get(var_name, default=default)
+
+
+def read_int(var_name, default=None):
+    return int(read_env(var_name, default=default))
+
+
+def read_str(var_name, default=None):
+    return read_env(var_name, default=default)
+
+
+class Settings:
+    server_host = read_str('SERVER_HOST')
+    server_port = read_int('SERVER_PORT')
+
+    postgres_url = read_str('POSTGRES_URL')

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "martin-eden"
-version = "0.10.1"
+version = "0.10.2"
 description = "async backend framework on sockets"
 authors = ["mrtedn21 <[email protected]>"]
 readme = "README.md"