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Uploader

generate_download_signed_url_v4(bucket, blob_name, timeout=15)

Generates a v4 signed URL for downloading a blob.

Note that this method requires a service account key file. You cannot use this if you are using Application Default Credentials from Google Compute Engine or from the Google Cloud SDK.

Source code in pygsuite/images/uploader.py 
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def generate_download_signed_url_v4(bucket, blob_name: str, timeout: int = 15):
    """Generates a v4 signed URL for downloading a blob.

    Note that this method requires a service account key file. You cannot use
    this if you are using Application Default Credentials from Google Compute
    Engine or from the Google Cloud SDK.
    """

    blob = bucket.blob(blob_name)

    url = blob.generate_signed_url(
        version="v4",
        # This URL is valid for 15 minutes
        expiration=datetime.timedelta(minutes=timeout),
        # Allow GET requests using this URL.
        method="GET",
    )
    return url