Move File from One GCP Bucket to Another using Python

# Import the packages
from dotenv import load_dotenv
import os
from google.oauth2 import service_account
from google.cloud import storage

def main() :

    # Loads environment variables from a .env file
    load_dotenv()

    # Use environment variables from .env file
    credentials_path = os.getenv("GOOGLE_APPLICATION_CREDENTIALS")
    project_name = os.getenv("project_id")

    # Get the service account credentials
    credentials = service_account.Credentials.from_service_account_file(credentials_path)

    # Create the Storage client
    client = storage.Client(credentials=credentials, project=project_name)

    # Define the bucket name and file details
    source_bucket_name = "source-bucket-via-python-sdk"

    # Create a bucket object
    source_bucket = client.bucket(source_bucket_name)

    # Get the source blob object
    source_blob = source_bucket.blob("Dummy.pdf")

    # Define the destination bucket name and blob name
    destination_bucket_name = "destination-bucket-via-python-sdk"
    destination_blob_name = "Dummy.pdf"
    destination_bucket = client.bucket(destination_bucket_name)


    # Copy the blob to the destination bucket
    # This creates a copy and keeps the original
    new_blob = source_bucket.copy_blob(source_blob, destination_bucket, destination_blob_name)

    # Now delete the original blob from the source bucket
    source_blob.delete()

    print(f"File {destination_blob_name} moved from {source_bucket_name} to {destination_bucket_name}.")

# Run the main function
if __name__ == "__main__":
    main()