Reduce repeated code in Python test setup

Author: hoodmane

Diff for: src/workerd/server/tests/python/BUILD.bazel

@@ -15,73 +15,37 @@ copy_file(
 )
 
 py_wd_test(
-    src = "hello/hello.wd-test",
+    "hello",
     args = ["--experimental"],
-    data = glob(
-        [
-            "hello/*",
-        ],
-        exclude = ["**/*.wd-test"],
-    ),
 )
 
 py_wd_test(
-    src = "sdk/sdk.wd-test",
+    "sdk",
     args = ["--experimental"],
-    data = glob(
-        [
-            "sdk/*",
-        ],
-        exclude = ["**/*.wd-test"],
-    ),
     tags = [
         # TODO(someday): Fix asan failure for this, see https://github.com/cloudflare/workerd/pull/3140#discussion_r1858273318
         "no-asan",
     ],
 )
 
 py_wd_test(
-    src = "env-param/env.wd-test",
+    "env-param",
     args = ["--experimental"],
-    data = glob(
-        [
-            "env-param/*",
-        ],
-        exclude = ["**/*.wd-test"],
-    ),
 )
 
 py_wd_test(
-    src = "asgi/asgi.wd-test",
+    "asgi",
     args = ["--experimental"],
-    data = glob(
-        [
-            "asgi/*",
-        ],
-        exclude = ["**/*.wd-test"],
-    ),
 )
 
 py_wd_test(
-    src = "random/random.wd-test",
+    "random",
     args = ["--experimental"],
-    data = glob(
-        [
-            "random/*",
-        ],
-        exclude = ["**/*.wd-test"],
-    ),
 )
 
 py_wd_test(
-    src = "subdirectory/subdirectory.wd-test",
+    "subdirectory",
     args = ["--experimental"],
-    data = glob(
-        [
-            "subdirectory/**",
-        ],
-        exclude = ["**/*.wd-test"],
-    ),
 )
 
-gen_import_tests(PYODIDE_IMPORTS_TO_TEST)
+# gen_import_tests(PYODIDE_IMPORTS_TO_TEST)

Diff for: src/workerd/server/tests/python/py_wd_test.bzl

@@ -1,13 +1,25 @@
 load("//:build/wd_test.bzl", "wd_test")
 
 def py_wd_test(
-        src,
-        data = [],
+        directory = None,
+        src = None,
+        data = None,
         name = None,
         args = [],
         size = "enormous",
         tags = [],
         **kwargs):
+    if data == None:
+        data = native.glob(
+            [
+                directory + "/**",
+            ],
+            exclude = ["**/*.wd-test"],
+        )
+    if src == None:
+        src = native.glob([directory + "/*.wd-test"])[0]
+    if name == None and directory != None:
+        name = directory + "@"
     data += ["//src/workerd/server/tests/python:pyodide_dev.capnp.bin@rule"]
     args = args + ["--pyodide-bundle-disk-cache-dir", "$(location //src/workerd/server/tests/python:pyodide_dev.capnp.bin@rule)/..", "--experimental"]