.gitignore

@@ -10,6 +10,6 @@ main.py
 .venv
 .idea
 .DS_Store
-
+.vscode
 # etc files
 *.txt

oxi/__init__.py

@@ -1,6 +1,5 @@
 from .core import OxiAPI
 
-
 __all__ = [
     "OxiAPI",
 ]

oxi/adapter.py

@@ -1,4 +1,3 @@
-from typing import Optional
 from requests.adapters import HTTPAdapter
 from urllib3.util import Retry
 
@@ -6,7 +5,7 @@ from urllib3.util import Retry
 class OxiAdapter(HTTPAdapter):
     def __init__(
         self,
-        timeout: Optional[int] = None,
+        timeout: int | None = None,
         max_retries: int = 3,
         *args,
         **kwargs,

oxi/conf.py

@@ -1,6 +1,7 @@
-from functools import cached_property
 import json
-from typing import TYPE_CHECKING, Generic, Iterator, TypeVar
+from collections.abc import Iterator
+from functools import cached_property
+from typing import TYPE_CHECKING, Generic, TypeVar
 
 from pydantic import BaseModel
 

oxi/core.py

@@ -1,8 +1,8 @@
-from typing import Optional
 from requests import HTTPError, Session
 
 from oxi.adapter import OxiAdapter
 from oxi.exception import OxiAPIError
+
 from .node import Node
 
 
@@ -10,8 +10,8 @@ class OxiAPI:
     def __init__(
         self,
         url: str,
-        username: Optional[str] = None,
+        username: str | None = None,
-        password: Optional[str] = None,
+        password: str | None = None,
         verify: bool = True,
     ):
         self.base_url = url.rstrip("/")
@@ -20,8 +20,8 @@ class OxiAPI:
 
     def __create_session(
         self,
-        username: Optional[str] = None,
+        username: str | None = None,
-        password: Optional[str] = None,
+        password: str | None = None,
         verify: bool = True,
     ) -> Session:
         session = Session()

oxi/exception.py

@@ -1,4 +1,4 @@
-from typing import TYPE_CHECKING, Optional
+from typing import TYPE_CHECKING
 
 if TYPE_CHECKING:
     from requests import HTTPError
@@ -35,7 +35,7 @@ def _looks_like_node_not_found_html(e: "HTTPError") -> bool:
 
 
 class OxiAPIError(Exception):
-    def __init__(self, message: str, status_code: Optional[int] = None):
+    def __init__(self, message: str, status_code: int | None = None):
         super().__init__(message)
         self.status_code = status_code
         self.message = message

oxi/interfaces/__init__.py

@@ -1,4 +1,4 @@
-from typing import Callable, Type
+from collections.abc import Callable
 
 from .base import BaseDevice
 
@@ -7,7 +7,7 @@ device_registry = {}
 
 def register_parser(
     name: list[str] | str,
-) -> Callable[[Type[BaseDevice]], Type[BaseDevice]]:
+) -> Callable[[type[BaseDevice]], type[BaseDevice]]:
     def wrapper(cls):
         name_list = []
         if isinstance(name, str):

oxi/interfaces/base.py

@@ -1,10 +1,11 @@
+import xml.etree.ElementTree as ET
 from abc import ABC, abstractmethod
 from pathlib import Path
+
 from ttp import ttp
+
 from oxi.exception import OxiAPIError
-from oxi.interfaces.contract import Device
+from oxi.interfaces.contract import Device, Interfaces, System, Vlans
-import xml.etree.ElementTree as ET
-from oxi.interfaces.contract import Interfaces, System, Vlans
 
 
 class BaseDevice(ABC):
@@ -40,7 +41,7 @@ class BaseDevice(ABC):
 
         Raises:
             ValueError: if raw data cannot be validated by the contract.
-        """
+        """  # noqa: E501
         return self.raw.get("vlans", [])
 
     def interfaces(self) -> list[dict]:
@@ -52,7 +53,7 @@ class BaseDevice(ABC):
 
         Raises:
             ValueError: if raw data cannot be validated by the contract.
-        """
+        """  # noqa: E501
         return self.raw.get("interfaces", [])
 
     def system(self) -> dict:
@@ -82,11 +83,7 @@ class BaseDevice(ABC):
 
     def _validate_contract(self) -> dict:
         if self.raw is None:
-            msg = (
+            msg = f"Node {self.name} not found" if self.name else "Node not found"
-                f"Node {self.name} not found"
-                if self.name
-                else "Node not found"
-            )
             raise OxiAPIError(msg, status_code=404)
         system_data = self.system()
         interfaces_data = self._as_list(self.interfaces())
@@ -99,8 +96,8 @@ class BaseDevice(ABC):
         if "vlans" in self._declared_sections:
             if "vlans" not in self.raw:
                 raise ValueError(
-                    f"{self.__class__.__name__}: template '{self.template}' declares optional group "
+                    f"{self.__class__.__name__}: template '{self.template}' "
-                    f"'vlans', but TTP did not return it."
+                    f"declares optional group 'vlans', but TTP did not return it."
                 )
             vlans_data = self._as_list(self.vlans())
             result["vlans"] = [Vlans(**item) for item in vlans_data]

oxi/interfaces/contract.py

@@ -1,4 +1,5 @@
 from ipaddress import IPv4Address
+
 from pydantic import BaseModel, ConfigDict, Field
 
 

oxi/interfaces/models/__init__.py

@@ -3,5 +3,5 @@ import pkgutil
 
 package = __package__
 
-for loader, module_name, is_pkg in pkgutil.iter_modules(__path__):
+for _, module_name, _ in pkgutil.iter_modules(__path__):
     importlib.import_module(f"{package}.{module_name}")

oxi/interfaces/models/keenetic.py

@@ -1,4 +1,5 @@
 from ipaddress import ip_interface
+
 from oxi.interfaces import register_parser
 from oxi.interfaces.base import BaseDevice
 from oxi.interfaces.utils import decode_utf

oxi/node.py

@@ -6,7 +6,6 @@ from oxi.exception import OxiAPIError
 
 from .view import NodeView
 
-
 if TYPE_CHECKING:
     from requests import Session
 

oxi/view.py

@@ -3,7 +3,6 @@ from typing import TYPE_CHECKING
 
 from .conf import NodeConfig
 
-
 if TYPE_CHECKING:
     from requests import Session
 

pyproject.toml

@@ -47,4 +47,12 @@ include-package-data = true
 dev = [
     "pytest>=9.0.3",
     "responses>=0.26.1",
+    "ruff>=0.15.17",
 ]
+
+[tool.ruff]
+target-version = "py310"
+line-length = 88
+
+[tool.ruff.lint]
+select = ["E", "F", "I", "UP", "B"]

tests/test_models.py

@@ -1,8 +1,8 @@
 import json
 
 import pytest
-
 from conftest import FIXTURES, load
+
 from oxi.interfaces import device_registry
 
 MODEL_CASES = [

tests/test_network.py

@@ -1,7 +1,7 @@
 import pytest
 import responses
-
 from conftest import load
+
 from oxi import OxiAPI
 from oxi.exception import OxiAPIError
 
@@ -84,4 +84,4 @@ def test_unknown_model_raises_value_error():
 
     api = OxiAPI(url=BASE)
     with pytest.raises(ValueError, match="not found in registry"):
-        api.node("HQ").config
+        _ = api.node("HQ").config

tests/test_units.py

@@ -1,10 +1,9 @@
 import pytest
-
 from conftest import load
+
 from oxi.exception import OxiAPIError
 from oxi.interfaces import device_registry
 from oxi.interfaces.base import BaseDevice
-from oxi.interfaces.contract import Interfaces, System
 from oxi.interfaces.utils import decode_utf, expand_vlan_range
 
 

uv.lock

@@ -158,23 +158,34 @@ dependencies = [
     { name = "ttp" },
 ]
 
-[package.dev-dependencies]
+[package.optional-dependencies]
 dev = [
     { name = "pytest" },
     { name = "responses" },
 ]
 
+[package.dev-dependencies]
+dev = [
+    { name = "pytest" },
+    { name = "responses" },
+    { name = "ruff" },
+]
+
 [package.metadata]
 requires-dist = [
     { name = "pydantic", specifier = ">=2.12.5" },
+    { name = "pytest", marker = "extra == 'dev'", specifier = ">=9.0.3" },
     { name = "requests", specifier = ">=2.32.5" },
+    { name = "responses", marker = "extra == 'dev'", specifier = ">=0.26.1" },
     { name = "ttp", specifier = ">=0.10.0" },
 ]
+provides-extras = ["dev"]
 
 [package.metadata.requires-dev]
 dev = [
     { name = "pytest", specifier = ">=9.0.3" },
     { name = "responses", specifier = ">=0.26.1" },
+    { name = "ruff", specifier = ">=0.15.17" },
 ]
 
 [[package]]
@@ -448,6 +459,31 @@ wheels = [
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 ]
 
+[[package]]
+name = "ruff"
+version = "0.15.17"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/8c/a9/3abdf488f1bf3d24c699415e454ed554a6350d5d89ce183be1ee0a3361ac/ruff-0.15.17.tar.gz", hash = "sha256:2ec446937fd16c8c4de2674a209cc5af64d9c6f17d21fbf1151054fa0bcf5219", size = 4743346, upload-time = "2026-06-11T17:54:47.663Z" }
+wheels = [
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+    { url = "https://files.pythonhosted.org/packages/29/3e/772d679e1a0dc058e58875bd2c0cb713a0530877b4a76fee3c7966df0d49/ruff-0.15.17-py3-none-macosx_10_12_x86_64.whl", hash = "sha256:25805a226d741c47d274a35ad5c10a7dde175fcddfa511d7cf3da0a21eb3eab7", size = 11223443, upload-time = "2026-06-11T17:55:00.573Z" },
+    { url = "https://files.pythonhosted.org/packages/68/58/bd41f7688b2fd5623012605130ed70e60aa7f2244baa3d5066bdd61530c8/ruff-0.15.17-py3-none-macosx_11_0_arm64.whl", hash = "sha256:f6ad73b14c2d18a3bf8ad7cb6974294d7f613a7898604826058e6ac64918ef4d", size = 10566458, upload-time = "2026-06-11T17:55:07.52Z" },
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 [[package]]
 name = "tomli"
 version = "2.4.1"