Try building py39 wheels to see if that helps with reinitialization errors (#695)

.github/workflows/wheel-builder.yml

@@ -41,6 +41,7 @@ jobs:
       matrix:
         PYTHON:
           - { VERSION: "cp37-cp37m", ABI_VERSION: 'cp37' }
+          - { VERSION: "cp39-cp39", ABI_VERSION: 'cp39' }
           - { VERSION: "pp39-pypy39_pp73" }
           - { VERSION: "pp310-pypy310_pp73" }
         MANYLINUX:
@@ -130,6 +131,10 @@ jobs:
             ABI_VERSION: 'cp37'
             DOWNLOAD_URL: 'https://www.python.org/ftp/python/3.11.3/python-3.11.3-macos11.pkg'
             BIN_PATH: '/Library/Frameworks/Python.framework/Versions/3.11/bin/python3'
+          - VERSION: '3.11'
+            ABI_VERSION: 'cp39'
+            DOWNLOAD_URL: 'https://www.python.org/ftp/python/3.11.3/python-3.11.3-macos11.pkg'
+            BIN_PATH: '/Library/Frameworks/Python.framework/Versions/3.11/bin/python3'
     name: "Python ${{ matrix.PYTHON.VERSION }} for ABI ${{ matrix.PYTHON.ABI_VERSION }} on macOS"
     steps:
       - run: |
@@ -179,6 +184,7 @@ jobs:
           - {ARCH: 'x64', RUST_TRIPLE: 'x86_64-pc-windows-msvc'}
         PYTHON:
           - {VERSION: "3.11", ABI_VERSION: "cp37"}
+          - {VERSION: "3.11", ABI_VERSION: "cp39"}
     name: "${{ matrix.PYTHON.VERSION }} ${{ matrix.PYTHON.ABI_VERSION }} ${{ matrix.WINDOWS.ARCH }}"
     steps:
       - uses: actions/download-artifact@9bc31d5ccc31df68ecc42ccf4149144866c47d8a # v3.0.2

README.rst

@@ -51,6 +51,12 @@ While bcrypt remains an acceptable choice for password storage, depending on you
 Changelog
 =========
 
+4.1.2
+-----
+
+* Publish both ``py37`` and ``py39`` wheels. This should resolve some errors
+  relating to initializing a module multiple times per process.
+
 4.1.1
 -----
 

pyproject.toml

@@ -12,7 +12,7 @@ build-backend = "setuptools.build_meta"
 [project]
 name = "bcrypt"
 # When updating this, also update lib.rs
-version = "4.1.1"
+version = "4.1.2"
 authors = [
     {name = "The Python Cryptographic Authority developers", email = "cryptography-dev@python.org"}
 ]

setup.py

@@ -37,7 +37,7 @@ try:
             RustExtension(
                 "bcrypt._bcrypt",
                 "src/_bcrypt/Cargo.toml",
-                py_limited_api=True,
+                py_limited_api="auto",
                 rust_version=(
                     ">=1.64.0"
                     if os.environ.get("BCRYPT_ALLOW_RUST_163", "0") != "0"

src/_bcrypt/Cargo.toml

@@ -6,7 +6,7 @@ edition = "2018"
 publish = false
 
 [dependencies]
-pyo3 = { version = "0.20.0", features = ["abi3-py37"] }
+pyo3 = { version = "0.20.0", features = ["abi3"] }
 bcrypt = "0.15"
 bcrypt-pbkdf = "0.10.0"
 base64 = "0.21.5"

src/_bcrypt/src/lib.rs

@@ -185,7 +185,7 @@ fn _bcrypt(_py: pyo3::Python<'_>, m: &pyo3::types::PyModule) -> pyo3::PyResult<(
     // When updating this, also update pyproject.toml
     // This isn't named __version__ because passlib treats the existence of
     // that attribute as proof that we're a different module
-    m.add("__version_ex__", "4.1.1")?;
+    m.add("__version_ex__", "4.1.2")?;
 
     let author = "The Python Cryptographic Authority developers";
     m.add("__author__", author)?;