Fix ModuleNotFoundError for url_utils in PyPI distribution and fix search

pyproject.toml

@@ -87,6 +87,10 @@ dev = [
 include-package-data = true
 package-dir = {"" = "src"}
 
+[tool.setuptools.packages.find]
+where = ["src"]
+include = ["py_semantic_taxonomy*"]
+
 [tool.setuptools.dynamic]
 version = {attr = "py_semantic_taxonomy.__version__"}
 

src/py_semantic_taxonomy/adapters/routers/templates/search.html

@@ -25,7 +25,7 @@ <h1>Search Results</h1>
             <div class="border rounded-lg p-3 sm:p-4 hover:border-primary hover:shadow-md transition-all duration-200 group" style="border-color: var(--border-color); background-color: var(--header-bg)">
                 <div class="flex flex-col sm:grid sm:grid-cols-12 gap-3 sm:gap-4">
                     <div class="sm:col-span-7">
-                        <a href="/web/concept/{{ result.id_ }}" class="block hover:no-underline">
+                        <a href="/web/concept/{{ result.id_ | urlencode }}?language={{ language }}" class="block hover:no-underline">
                             <h3 class="text-lg font-medium text-primary group-hover:text-primary-hover transition-colors duration-200">
                                 {{ result.label }}
                             </h3>
@@ -49,7 +49,7 @@ <h3 class="text-lg font-medium text-primary group-hover:text-primary-hover trans
                         </div>
                     </div>
                     <div class="sm:col-span-1 flex items-center justify-end">
-                        <a href="/web/concept/{{ result.id_ }}" class="group-hover:text-primary group-hover:translate-x-1 transition-all duration-200" style="color: var(--text-tertiary)">
+                        <a href="/web/concept/{{ result.id_ | urlencode }}?language={{ language }}" class="group-hover:text-primary group-hover:translate-x-1 transition-all duration-200" style="color: var(--text-tertiary)">
                             <i class="fas fa-chevron-right text-xl"></i>
                         </a>
                     </div>

tests/integration/test_web_ui.py

@@ -0,0 +1,87 @@
+"""Integration tests for Web UI functionality."""
+import pytest
+from urllib.parse import quote
+
+
+@pytest.mark.typesense
+async def test_web_search_preserves_language_in_results(
+    sqlite, typesense, anonymous_client, cn
+):
+    """Test that search results include language parameter in concept links."""
+    # Perform a search in German
+    response = await anonymous_client.get(
+        "/web/search/", params={"query": "Esel", "language": "de"}
+    )
+    assert response.status_code == 200
+
+    # Check that the HTML contains links with language parameter
+    html_content = response.text
+
+    # Search results should link to concepts with language parameter
+    # The link format should be: /web/concept/{iri}?language=de
+    concept_iri = cn.concept_2023_low["@id"]
+    expected_link_pattern = f"/web/concept/{quote(concept_iri)}?language=de"
+
+    assert expected_link_pattern in html_content, (
+        f"Expected to find link '{expected_link_pattern}' in search results, "
+        f"but it was not present. This means clicking on a search result "
+        f"will not preserve the language setting."
+    )
+
+
+@pytest.mark.typesense
+async def test_web_search_multiple_languages(sqlite, typesense, anonymous_client, cn):
+    """Test that different languages produce correctly parameterized links."""
+    languages = ["en", "de"]
+
+    for lang in languages:
+        response = await anonymous_client.get(
+            "/web/search/", params={"query": "test", "language": lang}
+        )
+        assert response.status_code == 200
+
+        # Verify the hidden language input has the correct value
+        html_content = response.text
+        assert f'<input type="hidden" name="language" value="{lang}"' in html_content
+
+        # Verify links include the language parameter
+        assert f"?language={lang}" in html_content or f"&language={lang}" in html_content
+
+
+@pytest.mark.typesense
+async def test_web_search_result_links_include_concept_scheme(
+    sqlite, typesense, anonymous_client, cn
+):
+    """Test that search result links preserve both language and allow concept_scheme resolution."""
+    response = await anonymous_client.get(
+        "/web/search/", params={"query": "Esel", "language": "de"}
+    )
+    assert response.status_code == 200
+
+    html_content = response.text
+    concept_iri = cn.concept_2023_low["@id"]
+
+    # The link should at minimum include the language parameter
+    # The concept_scheme will be determined by the backend when the link is clicked
+    assert f"/web/concept/{quote(concept_iri)}?language=de" in html_content
+
+
+async def test_web_search_without_language_redirects(sqlite, anonymous_client):
+    """Test that accessing search without language parameter works correctly."""
+    # This test doesn't require typesense, just tests the redirect behavior
+    response = await anonymous_client.get("/web/search/", follow_redirects=False)
+
+    # Should either redirect to add language or default to 'en'
+    # Based on web_router.py:357, it defaults to "en"
+    assert response.status_code == 200
+
+
+async def test_web_search_empty_query(sqlite, anonymous_client):
+    """Test that search page renders correctly with empty query."""
+    response = await anonymous_client.get(
+        "/web/search/", params={"query": "", "language": "en"}
+    )
+    assert response.status_code == 200
+
+    html_content = response.text
+    assert "Start searching" in html_content or "Search" in html_content