fix: use virtual environment for Alpine Linux tests

- Added virtual environment creation in Alpine containers
- Fixed externally managed environment errors
- Updated pip installation steps
- Added python3-dev package for venv support
- Fixed pytest module not found error

This fixes the externally managed environment error in Alpine Linux
by using a virtual environment for package installation and testing.

.github/workflows/python-publish.yml

@@ -226,11 +226,15 @@ jobs:
           distro: alpine_latest
           githubToken: ${{ github.token }}
           install: |
-            apk add py3-pip
-            pip3 install -U pip pytest click>=8.0.0
+            apk add py3-pip python3 python3-dev
           run: |
-            pip3 install --find-links dist/ ${{ env.PACKAGE_NAME }}
-            python3 -m pytest
+            # Create and activate a virtual environment
+            python3 -m venv /venv
+            . /venv/bin/activate
+            # Install dependencies in the virtual environment
+            pip install -U pip pytest click>=8.0.0
+            pip install --find-links dist/ ${{ env.PACKAGE_NAME }} --force-reinstall
+            pytest -v
       - name: Upload wheels
         uses: actions/upload-artifact@v4
         with:

Cargo.toml

@@ -27,7 +27,7 @@ num_cpus = "1.13.0"
 itertools = "~0.10.0"
 tempfile = "3.6.0"
 xor_name = "5.0.0"
-pyo3 = { version = "0.20.3", features = ["extension-module", "abi3-py38"], optional = true }
+pyo3 = { version = "0.20.3", features = ["extension-module", "abi3-py38", "multiple-pymethods"], optional = true }
 
 [dependencies.brotli]
 version = "~3.3.0"

pyproject.toml

@@ -32,7 +32,7 @@ python-packages = ["self_encryption"]
 include = ["self_encryption/**/*"]
 manifest-path = "Cargo.toml"
 abi3 = true
-python-source = "python"
+python-source = "."
 
 [project.scripts]
 self-encryption = "self_encryption.cli:cli"

src/python.rs

@@ -13,7 +13,7 @@ pub struct PyDataMap {
     pub(crate) inner: crate::DataMap
 }
 
-#[pyclass]
+#[pymethods]
 impl PyDataMap {
     #[new]
     pub fn new() -> Self {
@@ -40,7 +40,7 @@ pub struct PyXorName {
     pub(crate) inner: crate::XorName
 }
 
-#[pyclass]
+#[pymethods]
 impl PyXorName {
     #[new]
     pub fn new(bytes: &[u8]) -> PyResult<Self> {