Function readAndConvertMarimoFile

packages/convert/src/marimo-to-deepnote.ts:451–482

(
  inputFilePath: string,
  options: ReadAndConvertMarimoFileOptions
)

 * @returns A DeepnoteFile object
 */
export async function readAndConvertMarimoFile(
  inputFilePath: string,
  options: ReadAndConvertMarimoFileOptions
): Promise<DeepnoteFile> {
  let app: MarimoAppWithOutputs

  try {
    const content = await fs.readFile(inputFilePath, 'utf-8')
    const parsedApp = parseMarimoFormat(content)

    // Try to load outputs from Marimo session cache
    const outputs = await getMarimoOutputsFromCache(inputFilePath)

    app = {
      filename: basename(inputFilePath),
      app: parsedApp,
      outputs: outputs ?? undefined,
    }
  } catch (err) {
    const errorMessage = err instanceof Error ? err.message : String(err)
    const errorStack = err instanceof Error ? err.stack : undefined
    throw new FileReadError(`Failed to read or parse file ${basename(inputFilePath)}: ${errorMessage}`, {
      cause: errorStack ? { originalError: err, stack: errorStack } : err,
      filePath: inputFilePath,
    })
  }

  return convertMarimoAppToDeepnoteFile(app, {
    projectName: options.projectName,
    projectId: options.projectId,
  })
}

/**
 * Converts a single Marimo (.py) file into a single Deepnote project file.