Handle spaces in DB names (#590)

Closes #503 - thanks, @rixx

datasette/views/base.py

@@ -203,12 +203,13 @@ class DataView(BaseView):
                 hash = hash_bit
         else:
             name = db_name
-        # Verify the hash
+        name = urllib.parse.unquote_plus(name)
         try:
             db = self.ds.databases[name]
         except KeyError:
             raise NotFound("Database not found: {}".format(name))
 
+        # Verify the hash
         expected = "000"
         if db.hash is not None:
             expected = db.hash[:HASH_LENGTH]

tests/fixtures.py

@@ -174,7 +174,7 @@ def app_client_no_files():
 @pytest.fixture(scope="session")
 def app_client_two_attached_databases():
     yield from make_app_client(
-        extra_databases={"extra_database.db": EXTRA_DATABASE_SQL}
+        extra_databases={"extra database.db": EXTRA_DATABASE_SQL}
     )
 
 
@@ -188,7 +188,7 @@ def app_client_conflicting_database_names():
 @pytest.fixture(scope="session")
 def app_client_two_attached_databases_one_immutable():
     yield from make_app_client(
-        is_immutable=True, extra_databases={"extra_database.db": EXTRA_DATABASE_SQL}
+        is_immutable=True, extra_databases={"extra database.db": EXTRA_DATABASE_SQL}
     )
 
 

tests/test_api.py

@@ -6,6 +6,7 @@ from .fixtures import (  # noqa
     app_client_shorter_time_limit,
     app_client_larger_cache_size,
     app_client_returned_rows_matches_page_size,
+    app_client_two_attached_databases,
     app_client_two_attached_databases_one_immutable,
     app_client_conflicting_database_names,
     app_client_with_cors,
@@ -1188,7 +1189,7 @@ def test_databases_json(app_client_two_attached_databases_one_immutable):
     databases = response.json
     assert 2 == len(databases)
     extra_database, fixtures_database = databases
-    assert "extra_database" == extra_database["name"]
+    assert "extra database" == extra_database["name"]
     assert None == extra_database["hash"]
     assert True == extra_database["is_mutable"]
     assert False == extra_database["is_memory"]
@@ -1679,6 +1680,22 @@ def test_cors(app_client_with_cors, path, status_code):
     assert "*" == response.headers["Access-Control-Allow-Origin"]
 
 
+@pytest.mark.parametrize(
+    "path",
+    (
+        "/",
+        ".json",
+        "/searchable",
+        "/searchable.json",
+        "/searchable_view",
+        "/searchable_view.json",
+    ),
+)
+def test_database_with_space_in_name(app_client_two_attached_databases, path):
+    response = app_client_two_attached_databases.get("/extra database" + path)
+    assert response.status == 200
+
+
 def test_common_prefix_database_names(app_client_conflicting_database_names):
     # https://github.com/simonw/datasette/issues/597
     assert ["fixtures", "foo", "foo-bar"] == [

tests/test_html.py

@@ -27,11 +27,11 @@ def test_homepage(app_client_two_attached_databases):
     # Should be two attached databases
     assert [
         {"href": "/fixtures", "text": "fixtures"},
-        {"href": "/extra_database", "text": "extra_database"},
+        {"href": "/extra database", "text": "extra database"},
     ] == [{"href": a["href"], "text": a.text.strip()} for a in soup.select("h2 a")]
     # The first attached database should show count text and attached tables
     h2 = soup.select("h2")[1]
-    assert "extra_database" == h2.text.strip()
+    assert "extra database" == h2.text.strip()
     counts_p, links_p = h2.find_all_next("p")[:2]
     assert (
         "2 rows in 1 table, 5 rows in 4 hidden tables, 1 view" == counts_p.text.strip()
@@ -41,8 +41,8 @@ def test_homepage(app_client_two_attached_databases):
         {"href": a["href"], "text": a.text.strip()} for a in links_p.findAll("a")
     ]
     assert [
-        {"href": "/extra_database/searchable", "text": "searchable"},
+        {"href": "/extra database/searchable", "text": "searchable"},
-        {"href": "/extra_database/searchable_view", "text": "searchable_view"},
+        {"href": "/extra database/searchable_view", "text": "searchable_view"},
     ] == table_links