Provide non-mangled pyodide wheels path under WORKSPACE

Author: fhanau

build/deps/python.MODULE.bazel

@@ -69,4 +69,6 @@ use_repo(
     "pyodide-snapshot-package_snapshot_fastapi-a6ccb56fe.bin",
     "pyodide-snapshot-package_snapshot_numpy-60c9cb28e.bin",
     "pyodide-snapshot-snapshot_a6b652a95810783f5078b9a5dbd4a07c30718acb4ff724e82c25db7353dd7f2d.bin",
+    "pyodide_0.26.0a2_2024-03-01_75.capnp.bin",
+    "pyodide_0.28.2_2025-01-16_6.capnp.bin",
 )

build/is_pyodide_bzlmod.bzl

@@ -0,0 +1,2 @@
+# workerd uses bzlmod for pyodide (and everything else)
+is_pyodide_bzlmod = True

src/workerd/server/tests/python/py_wd_test.bzl

@@ -1,3 +1,4 @@
+load("@//:build/is_pyodide_bzlmod.bzl", "is_pyodide_bzlmod")
 load("@bazel_skylib//rules:copy_file.bzl", "copy_file")
 load("@bazel_skylib//rules:expand_template.bzl", "expand_template")
 load("//:build/python_metadata.bzl", "BUNDLE_VERSION_INFO")
@@ -32,7 +33,15 @@ def _py_wd_test_helper(
 
     pkg_tag = BUNDLE_VERSION_INFO[python_flag]["packages"]
     data = data + ["@all_pyodide_wheels_%s//:whls" % pkg_tag]
-    args = args + ["--pyodide-package-disk-cache-dir", "../all_pyodide_wheels_%s" % pkg_tag]
+    args = args + ["--pyodide-package-disk-cache-dir"]
+
+    # TODO(cleanup): We support both mangled and non-mangled wheels paths for now, clean up once
+    # downstream repo fully uses bzlmod
+    if is_pyodide_bzlmod:
+        # +pyodide+ is a bzlmod canonical repository name
+        args.append("../+pyodide+all_pyodide_wheels_%s" % pkg_tag)
+    else:
+        args.append("../all_pyodide_wheels_%s" % pkg_tag)
 
     load_snapshot = None
     pyodide_version = BUNDLE_VERSION_INFO[python_flag]["real_pyodide_version"]