Fix to correctly locate python DLL on MS-Windows

Also
- Add ci test matrix across different archs, java and python versions.
- Fix a test issue with name reference in the python collections lib.

Author: ikappaki

Diff for: .github/workflows/test.yml

@@ -0,0 +1,52 @@
+name: test
+
+on:
+  push:
+    branches:
+      - master
+    paths-ignore:
+      - '**/README.md'
+      - '**/CHANGELOG.md'
+  pull_request:
+
+jobs:
+  unit-test:
+    runs-on: ${{matrix.os}}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [macos-latest, ubuntu-latest, windows-latest]
+        jdk: [8, 17, 19]
+        python-version: ["3.11"]
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up JDK ${{ matrix.jdk }}
+        uses: actions/setup-java@v1
+        with:
+          java-version: ${{ matrix.jdk }}
+
+      - name: Install Clojure
+        uses: DeLaGuardo/[email protected]
+        with:
+          cli: 1.11.1.1347
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install numpy
+
+      - name: Run tests (jdk<17)
+        if: ${{ matrix.jdk < 17 }}
+        run: |
+          clojure -M:test
+      - name: Run tests (jdk>=17)
+        if: ${{ matrix.jdk >= 17 }}
+        run: |
+          clojure -M:jdk-${{matrix.jdk}}:test

Diff for: .gitignore

@@ -20,4 +20,5 @@ a.out
 *.iml
 .lsp
 .clj-kondo
-pregen-ffi-test
+pregen-ffi-test
+*~

Diff for: CHANGELOG.md

@@ -1,4 +1,8 @@
 # Time for a ChangeLog!
+## Unreleased
+ * Fix issue with locating python dll on MS-Windows
+   [#246](https://github.com/clj-python/libpython-clj/issues/246).
+
 ## 2.024
  * large dtype-next/hamf upgrade.
  * fix for call-attr (it was broken when using keywords).

Diff for: src/libpython_clj2/python/info.clj

@@ -96,6 +96,7 @@ print(json.dumps(
                                   "Failed to find value python executable.  Tried %s"
                                   default-python-executables)))))
         python-home (find-python-home system-info options)
+        platform (:platform system-info)
         java-lib-path (java-library-path-addendum python-home)
         [ver-maj ver-med _ver-min] (:version system-info)
         lib-version                (format "%s.%s" ver-maj ver-med)
@@ -105,7 +106,12 @@ print(json.dumps(
         libnames                   (concat [libname]
                                            ;;Make sure we try without the 'm' suffix
                                            (when lib-version
-                                             [(str "python" lib-version)]))]
+                                             [(str "python" lib-version)])
+                                           ;; The official python dll
+                                           ;; does not have a dot in
+                                           ;; its name.
+                                           (when (= platform "win32")
+                                             [(str "python" ver-maj ver-med)]))]
     (merge
      system-info
      {:python-home                python-home

Diff for: test/libpython_clj2/python_test.clj

@@ -365,7 +365,7 @@ class Foo:
         bridged-dict (py/as-python {"a" 1 "b" 2})
         bridged-iter (py/as-python (repeat 5 1))
         bridged-list (py/as-python (vec (range 10)))
-        pycol (py/import-module "collections")
+        pycol (py/import-module "collections.abc")
         mapping-type (py/get-attr pycol "Mapping")
         iter-type (py/get-attr pycol "Iterable")
         sequence-type (py/get-attr pycol "Sequence")]