fix: prune upstream tests from bundled Python libraries

scripts/primary-runtime/prune-python-tests.ts

@@ -0,0 +1,41 @@
+/** Remove upstream Python test suites from the staged primary runtime. */
+
+import { readFileSync, readdirSync, rmSync, writeFileSync } from 'node:fs'
+import { join } from 'node:path'
+import Papa from 'papaparse'
+import lock from './lock.json' with { type: 'json' }
+
+function removeTestDirectories(root: string, directory: string): string[] {
+  const removed: string[] = []
+  for (const entry of readdirSync(join(root, directory), { withFileTypes: true })) {
+    if (!entry.isDirectory()) continue
+    const path = `${directory}/${entry.name}`
+    if (entry.name === 'tests') {
+      rmSync(join(root, path), { recursive: true })
+      removed.push(path)
+    } else {
+      removed.push(...removeTestDirectories(root, path))
+    }
+  }
+  return removed
+}
+
+/**
+ * Prune NumPy/pandas tests and their RECORD rows, preserving testing helpers and native extensions.
+ * @param sitePackages - Staged site-packages directory containing the locked wheels.
+ * @throws If a locked distribution's RECORD is missing or malformed.
+ */
+export function prunePrimaryRuntimePythonTests(sitePackages: string): void {
+  for (const name of ['numpy', 'pandas'] as const) {
+    const record = join(sitePackages, `${name}-${lock.pythonPackages[name]}.dist-info`, 'RECORD')
+    const { data, errors } = Papa.parse<string[]>(readFileSync(record, 'utf8'), { delimiter: ',', skipEmptyLines: true })
+    if (errors.length > 0 || data.length === 0
+      || !data.every((row): row is [string, string, string] => row.length === 3 && Boolean(row[0]))) {
+      throw new Error(`primary runtime: invalid wheel RECORD: ${record}`)
+    }
+    const removed = removeTestDirectories(sitePackages, name)
+    if (removed.length === 0) continue
+    const retained = data.filter(([path]) => !removed.some(directory => path.startsWith(`${directory}/`)))
+    writeFileSync(record, `${Papa.unparse(retained, { newline: '\n' })}\n`)
+  }
+}