Test wheel against Pyodide, refs #1737, #1733

.github/workflows/test-pyodide.yml

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+name: Test in Pyodide with shot-scraper
+
+on:
+  workflow_dispatch:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python 3.10
+      uses: actions/setup-python@v3
+      with:
+        python-version: "3.10"
+        cache: 'pip'
+        cache-dependency-path: '**/setup.py'
+    - name: Cache Playwright browsers
+      uses: actions/cache@v2
+      with:
+        path: ~/.cache/ms-playwright/
+        key: ${{ runner.os }}-browsers
+    - name: Install Playwright dependencies
+      run: |
+        pip install shot-scraper
+        shot-scraper install
+    - name: Run test
+      run: |
+        ./test-in-pyodide-with-shot-scraper.sh

test-in-pyodide-with-shot-scraper.sh

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+#!/bin/bash
+
+# Build the wheel
+python3 -m build
+
+# Find name of wheel
+wheel=$(basename $(ls dist/*.whl))
+# strip off the dist/
+
+
+# Create a blank index page
+echo '
+<script src="https://cdn.jsdelivr.net/pyodide/v0.20.0/full/pyodide.js"></script>
+' > dist/index.html
+
+# Run a server for that dist/ folder
+cd dist
+python3 -m http.server 8529 &
+cd ..
+
+shot-scraper javascript http://localhost:8529/ "
+async () => {
+  let pyodide = await loadPyodide();
+  await pyodide.loadPackage(['micropip', 'ssl', 'setuptools']);
+  let output = await pyodide.runPythonAsync(\`
+    import micropip
+    await micropip.install('h11==0.12.0')
+    await micropip.install('http://localhost:8529/$wheel')
+    import ssl
+    import setuptools
+    from datasette.app import Datasette
+    ds = Datasette(memory=True, settings={'num_sql_threads': 0})
+    (await ds.client.get('/_memory.json?sql=select+55+as+itworks&_shape=array')).text
+  \`);
+  if (JSON.parse(output)[0].itworks != 55) {
+    throw 'Got ' + output + ', expected itworks: 55';
+  }
+  return 'Test passed!';
+}
+"
+
+# Shut down the server
+pkill -f 'http.server 8529'