Add support and testing for Python 3.12

.github/workflows/python-package.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
 
     steps:
       - uses: actions/checkout@v3
@@ -28,6 +28,7 @@ jobs:
           python -m pip install --upgrade pip
           python -m venv env
           source env/bin/activate
+          pip install setuptools
           pip install cython flake8 pytest
           python setup.py install
       - name: Lint with flake8

setup.py

@@ -14,7 +14,7 @@
     author="Ryan Gibson",
     author_email="[email protected]",
     name="stego-lsb",
-    version="1.5.3",
+    version="1.5.4",
     description="Least Significant Bit Steganography for bitmap images (.bmp "
                 "and .png), WAV sound files, and byte sequences. Simple LSB "
                 "Steganalysis (LSB extraction) for bitmap images.",
@@ -43,6 +43,7 @@
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
         "Programming Language :: Python :: 3 :: Only",
     ],
 )

tests/test_wavsteg.py

@@ -28,7 +28,7 @@ def write_random_wav(self, filename: str, num_channels: int, sample_width: int,
 
             data = np.random.randint(0, 2 ** (8 * sample_width), dtype=dtype, size=num_frames * num_channels)
             # note: typing does not recognize that "writeframes() accepts any bytes-like object" (see documentation)
-            file.writeframes(data)  # type: ignore
+            file.writeframes(data)  # type: ignore[arg-type,unused-ignore]
 
     def write_random_file(self, filename: str, num_bytes: int) -> None:
         with open(filename, "wb") as file: