From 60b257078af38be1e06ff7a35a85dd6fd7fcb16a Mon Sep 17 00:00:00 2001
From: Dominik Picheta <dominik@cloudflare.com>
Date: Wed, 2 Oct 2024 14:39:04 +0000
Subject: [PATCH] Don't include implicit stdlib snapshot imports in package
 snapshot key.

---
 src/pyodide/internal/snapshot.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/pyodide/internal/snapshot.ts b/src/pyodide/internal/snapshot.ts
index b52739b5972..d65020735ec 100644
--- a/src/pyodide/internal/snapshot.ts
+++ b/src/pyodide/internal/snapshot.ts
@@ -275,12 +275,17 @@ function memorySnapshotDoImports(Module: Module): Array<string> {
   const localModulePaths: Set<string> = new Set<string>(
     MetadataReader.getNames()
   );
+  const SNAPSHOT_IMPORTS_SET = new Set(SNAPSHOT_IMPORTS);
   const importedModules: Array<string> = ArtifactBundler.constructor
     // @ts-ignore parsePythonScriptImports is a static method.
     .parsePythonScriptImports(MetadataReader.getWorkerFiles('py'))
     .filter((module: string) => {
       const moduleFilename = module.replace('.', '/') + '.py';
-      return !localModulePaths.has(moduleFilename) && module != 'js';
+      return (
+        !localModulePaths.has(moduleFilename) &&
+        module != 'js' &&
+        !SNAPSHOT_IMPORTS_SET.has(module)
+      );
     });
 
   const deduplicatedModules = [...new Set(importedModules)];