text: import os
  import sys
  
  from qiniu import Auth
  
  QINIU_SECRET_KEY = os.environ.get("QINIU_SECRET_KEY")
  QINIU_ACCESS_KEY = os.environ.get("QINIU_ACCESS_KEY")
  BUCKET_NAME = os.environ.get("BUCKET_NAME")
  
  
  def get_upload_token() -> str:
      try:
          q = Auth(QINIU_ACCESS_KEY, QINIU_SECRET_KEY)
          token = q.upload_token(BUCKET_NAME)
          return token
      except Exception as e:
          sys.stderr.write(e)
          return ""
  