Function readFile

packages/python-analysis/src/wasm/host-utils.ts:37–50

(path: string)

export function createHostUtils() {
  return {
    readFile(path: string): string {
      const ctx = readFileStorage.getStore();
      if (ctx?.readFile) {
        const relative = stripWorkingDir(path, ctx.workingDir);
        if (relative != null) {
          const result = ctx.readFile(relative);
          if (result != null) return result;
        }
      }
      // No readFile callback or it returned null -- do not fall through to
      // readFileSync because the WASM module could request arbitrary host
      // paths (e.g. via `-r /etc/passwd` in requirements.txt).
      throw new WitResultError(`File not found: ${path}`);
    },
    domainToAscii(domain: string): string {
      try {
        // Use the WHATWG URL parser for IDNA2008 conversion.