add scripts/plugin-validate.py, run it as github action

.github/workflows/plugin-validate.yml

@@ -0,0 +1,32 @@
+name: "Validate Plugins"
+
+on:
+  push:
+    branches: ["master", "github-action"]
+  pull_request:
+  schedule:
+    - cron: "33 1 * * 3"
+
+jobs:
+  ubuntu:
+    name: Ubuntu
+
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.11"]
+
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: cd and ls
+        run: |
+          cd ${{ github.workspace }}
+          ls -l
+      - name: Validate Plugins
+        run: python ./scripts/plugin-validate.py

pyglossary/plugins/testformat.py

@@ -29,6 +29,7 @@
 description = "Test Format File(.test)"
 extensions = (".test", ".tst")
 extensionCreate = ".test"
+singleFile = True
 kind = "text"
 wiki = ""
 website = None

scripts/plugin-validate.py

@@ -0,0 +1,28 @@
+#!/usr/bin/python3
+
+import sys
+from os.path import abspath, dirname
+from pathlib import Path
+
+rootDir = dirname(dirname(abspath(__file__)))
+sys.path.insert(0, rootDir)
+
+from pyglossary.core import userPluginsDir
+from pyglossary.glossary import Glossary
+
+Glossary.init(
+	usePluginsJson=False,
+	skipDisabledPlugins=False,
+)
+
+userPluginsDirPath = Path(userPluginsDir)
+plugins = [
+	p for p in Glossary.plugins.values() if userPluginsDirPath not in p.path.parents
+]
+
+data = []
+for p in plugins:
+    module = p.module
+    # print(module.__file__)
+    p.checkModule(module)
+    p.checkModuleMore(module)