class_docstr: Helper utils for Workflow Archiver tool.
  This class lists out all the methods such as validations for workflow archiving.
docstr: Function to generate manifest as a json string from the inputs provided by the user in the command line
  :param args:
  :return:s
docstr_tok: ["Function","to","generate","manifest","as","a","json","string","from","the","inputs","provided","by","the","user","in","the","command","line",":","param","args",":",":","return",":","s"]
code: def generate_manifest_json(args):
      """
      Function to generate manifest as a json string from the inputs provided by the user in the command line
      :param args:
      :return:s
      """
  
      workflow = WorkflowExportUtils.generate_workflow(args)
  
      manifest = Manifest(workflow=workflow)
  
      return str(manifest)
  
imports: import logging
  import os
  import re
  import zipfile
  import shutil
  import tempfile
  from .workflow_archiver_error import WorkflowArchiverError
  from .manifest_components.manifest import Manifest
  from .manifest_components.workflow import Workflow
label_desc: Use image node_id 4 for calling the WorkflowExportUtils obj's underlying member method code with example usage: obj.generate_manifest_json(args) and returns: str