Fix Python sdist tests in CI

Signed-off-by: Andrew Stein <steinlink@gmail.com>

Author: texodus

rust/perspective-python/perspective/tests/virtual_servers/test_duckdb.py

@@ -11,14 +11,16 @@
 #  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
 
 import os
+import tempfile
+import urllib.request
+
 import pytest
 import duckdb
 
 from perspective import Client
 from perspective.virtual_servers.duckdb import DuckDBVirtualServer
 
-
-SUPERSTORE_PARQUET = os.path.join(
+_SUPERSTORE_LOCAL = os.path.join(
     os.path.dirname(__file__),
     "..",
     "..",
@@ -28,6 +30,22 @@
     "superstore.parquet",
 )
 
+_SUPERSTORE_URL = (
+    "https://cdn.jsdelivr.net/npm/superstore-arrow@3.2.0/superstore.parquet"
+)
+
+
+def _get_superstore_parquet():
+    if os.path.exists(_SUPERSTORE_LOCAL):
+        return _SUPERSTORE_LOCAL
+    path = os.path.join(tempfile.gettempdir(), "superstore.parquet")
+    if not os.path.exists(path):
+        urllib.request.urlretrieve(_SUPERSTORE_URL, path)
+    return path
+
+
+SUPERSTORE_PARQUET = _get_superstore_parquet()
+
 
 @pytest.fixture(scope="module")
 def client():

rust/perspective-python/perspective/tests/virtual_servers/test_polars.py

@@ -11,11 +11,13 @@
 #  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
 
 import os
+import tempfile
 import pytest
 import polars as pl
 
 from perspective import Client
 from perspective.virtual_servers.polars import PolarsVirtualServer
+import urllib
 
 
 def approx_json(expected):
@@ -26,7 +28,7 @@ def approx_json(expected):
     ]
 
 
-SUPERSTORE_PARQUET = os.path.join(
+_SUPERSTORE_LOCAL = os.path.join(
     os.path.dirname(__file__),
     "..",
     "..",
@@ -36,6 +38,22 @@ def approx_json(expected):
     "superstore.parquet",
 )
 
+_SUPERSTORE_URL = (
+    "https://cdn.jsdelivr.net/npm/superstore-arrow@3.2.0/superstore.parquet"
+)
+
+
+def _get_superstore_parquet():
+    if os.path.exists(_SUPERSTORE_LOCAL):
+        return _SUPERSTORE_LOCAL
+    path = os.path.join(tempfile.gettempdir(), "superstore.parquet")
+    if not os.path.exists(path):
+        urllib.request.urlretrieve(_SUPERSTORE_URL, path)
+    return path
+
+
+SUPERSTORE_PARQUET = _get_superstore_parquet()
+
 
 @pytest.fixture(scope="module")
 def client():