Raise minimum Python version to 3.8

.github/actions/setup/action.yml

@@ -1,11 +1,16 @@
 name: 'Setup wasmtime-py CI'
+inputs:
+  python-version:
+    description: 'Version of Python to configure'
+    required: false
+    default: '3.x'
 runs:
   using: "composite"
   steps:
   # Setup Python and the Python dependencies of this project
   - uses: actions/setup-python@v4
     with:
-      python-version: '3.x'
+      python-version: ${{ inputs.python-version }}
   - run: pip install -e ".[testing]"
     shell: bash
 

.github/workflows/main.yml

@@ -18,9 +18,10 @@ jobs:
   test:
     runs-on: ${{ matrix.os }}
     strategy:
+      fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ['3.x']
+        python-version: ['3.x', '3.8']
         exclude:
         # Looks like pypy on Windows is 32-bit, so don't test it since we
         # only work with 64-bit builds
@@ -29,7 +30,6 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - uses: ./.github/actions/setup
-      - uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
       # Tests are flaky on Windows. It's something to do with generating modules

README.md

@@ -36,7 +36,7 @@ To install `wasmtime-py`, run this command in your terminal:
 $ pip install wasmtime
 ```
 
-The package currently supports 64-bit builds of Python 3.6+ on x86\_64 Windows,
+The package currently supports 64-bit builds of Python 3.8+ on x86\_64 Windows,
 macOS, and Linux, as well as on arm64 macOS and Linux.
 
 ## Versioning

setup.py

@@ -33,7 +33,7 @@
     packages=['wasmtime'],
     include_package_data=True,
     package_data={"wasmtime": ["py.typed"]},
-    python_requires='>=3.6',
+    python_requires='>=3.8',
     test_suite="tests",
     extras_require={
         'testing': [
@@ -50,10 +50,10 @@
     classifiers=[
         'Programming Language :: Python',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.6',
-        'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
+        'Programming Language :: Python :: 3.10',
+        'Programming Language :: Python :: 3.11',
         'Programming Language :: Python :: Implementation :: CPython',
         'Programming Language :: Python :: Implementation :: PyPy',
         'Topic :: Software Development :: Compilers',

wasmtime/_instance.py

@@ -3,8 +3,7 @@
 from wasmtime import Module, WasmtimeError
 from ._extern import wrap_extern, get_extern_ptr
 from ._exportable import AsExtern
-from typing import Sequence, Optional, Iterator
-from collections.abc import Mapping
+from typing import Sequence, Optional, Iterator, Mapping
 from ._store import Storelike
 from ._func import enter_wasm
 

wasmtime/_wasi.py

@@ -1,13 +1,13 @@
-from ctypes import *
+from ctypes import c_char, POINTER, cast, c_char_p, c_int
 import ctypes
 from wasmtime import WasmtimeError
 from . import _ffi as ffi
 from ._config import setter_property
-from typing import List, Iterable
+from typing import List, Iterable, Union
 from os import PathLike
 
 
-def _encode_path(path: str | bytes | PathLike) -> bytes:
+def _encode_path(path: Union[str, bytes, PathLike]) -> bytes:
     if isinstance(path, (bytes, str)):
         path2 = path
     else:
@@ -60,7 +60,7 @@ def inherit_env(self) -> None:
         ffi.wasi_config_inherit_env(self._ptr)
 
     @setter_property
-    def stdin_file(self, path: str | bytes | PathLike) -> None:
+    def stdin_file(self, path: Union[str, bytes, PathLike]) -> None:
         """
         Configures a file to be used as the stdin stream of this WASI
         configuration.