text: from google.cloud import storage
  from . import utils
  
  
  def is_list(bucket: str):
      """ checking if it's a blob or a file """
      client = storage.Client()
      bucket = client.get_bucket(bucket)
      blobs = bucket.list_blobs()
  
      return isinstance(blobs, list)
  
  def is_blob(bucket: str, file:str):
      """ checking if it's a blob """
      client = storage.Client()
      blob = client.get_bucket(bucket).get_blob(file)
      return hasattr(blob, 'exists') and callable(getattr(blob, 'exists'))
  
  
  def get_blob(bucket: str, file:str):
      # Instantiates a client
      utils.create_tmp_folder()
      client = storage.Client()
      blob = client.get_bucket(bucket).get_blob(file)
      if blob.exists():
          destination_uri = '{}/{}'.format((utils.TMP_FOLDER), utils.get_img_name(blob.name)) 
          blob.download_to_filename(destination_uri)
          return destination_uri
      
      return None
  
  def upload_to_bucket(bucket:str, name:str, file:str):
      # Instantiates a client
      client = storage.Client()
      bucket = client.get_bucket(bucket)
      blob = bucket.blob(name)
      blob.upload_from_filename(filename=file)
      
      return blob.public_url
  