lint code with ruff

Makefile

@@ -68,6 +68,7 @@ code-analysis:
 	mypy paseto tests --ignore-missing-imports
 	# run static code analysis
 	pylint paseto tests
+	ruff check .
 
 # build and test the entire project
 build: lock install lint coverage

paseto/__init__.py

@@ -1,2 +1,4 @@
 """This module checks if all dependencies are present."""
 import pysodium
+
+__all__ = ["pysodium"]

pyproject.toml

@@ -36,6 +36,7 @@ pylint = "^3.0"
 pynacl = "^1.5"
 pytest = "^7.4"
 pytest-benchmark = "^4.0"
+ruff = "^0.1.8"
 
 [tool.black]
 exclude = '/(submodules)/'

requirements-dev.txt

@@ -34,6 +34,7 @@ pysodium==0.7.17 ; python_version >= "3.8" and python_version < "4.0"
 pytest-benchmark==4.0.0 ; python_version >= "3.8" and python_version < "4.0"
 pytest==7.4.3 ; python_version >= "3.8" and python_version < "4.0"
 requests==2.31.0 ; python_version >= "3.8" and python_version < "4.0"
+ruff==0.1.8 ; python_version >= "3.8" and python_version < "4.0"
 snowballstemmer==2.2.0 ; python_version >= "3.8" and python_version < "4.0"
 tomli==2.0.1 ; python_version >= "3.8" and python_version < "3.11"
 tomlkit==0.12.3 ; python_version >= "3.8" and python_version < "4.0"

tests/paserk/test_keys.py

@@ -16,7 +16,7 @@
 def test_create_symmetric_key() -> None:
     """Test that creating symmetric key returns nonempty bytes."""
     key: bytes = _create_symmetric_key(4)
-    assert type(key) == bytes
+    assert isinstance(key, bytes)
     assert len(key) > 0
 
 
@@ -25,8 +25,8 @@ def test_create_asymmetric_key() -> None:
     public_key: bytes
     secret_key: bytes
     public_key, secret_key = _create_asymmetric_key(4)
-    assert type(public_key) == bytes
-    assert type(secret_key) == bytes
+    assert isinstance(public_key, bytes)
+    assert isinstance(secret_key, bytes)
     assert len(public_key) > 0
     assert len(secret_key) > 0
 
@@ -35,7 +35,7 @@ def test_create_asymmetric_key() -> None:
 def test_serialize_deserialize_key(key: bytes) -> None:
     """Test that serialized key can be deserialized."""
     serialized = _serialize_key(version=4, key_type=b".unit_test.", raw_key=key)
-    assert type(serialized) == bytes
+    assert isinstance(serialized, bytes)
     assert len(serialized) > 0
     deserialized = _deserialize_key(serialized)
     assert deserialized == key