text: import sys
  from typing import Sequence
  
  import click
  import notarizer.image_verifier as image_verifier
  import notarizer.image_signer as image_signer
  import notarizer.exceptions
  
  
  @click.group()
  def main():
      """
      Simple CLI for Verifying and Signing Images
      """
  
  
  @main.command()
  @click.option("--image", "-i", required=True, multiple=True)
  @click.option("--public-key", "-p", required=True)
  @click.option("--signature-label", "-s", required=False, default="signature")
  def verify(image, public_key, signature_label):
      for img in image:
          image_verifier.verify(img, public_key, signature_label)
          print("{img} Verification OK".format(img=img))
  
  
  @main.command()
  @click.option("--image", "-i", required=True, multiple=True)
  @click.option("--private-key", "-p", required=True)
  @click.option("--signature-label", "-s", required=False, default="signature")
  def sign(image: Sequence[str], private_key: str, signature_label: str):
      for img in image:
          image_signer.sign(img, private_key, signature_label)
          print("{img} Signature OK".format(img=img))
  
  
  if __name__ == "__main__":
      try:
          main()
      except notarizer.exceptions.NotarizerException as nte:
          print(str(nte), file=sys.stderr)
          sys.exit(nte.error_code)
  