def _safe_filename()

in optional-kubernetes-engine/bookshelf/storage.py [0:0]

• 5 lines of code
• 1 McCabe index (conditional complexity)

def _safe_filename(filename):
    """
    Generates a safe filename that is unlikely to collide with existing objects
    in Google Cloud Storage.

    ``filename.ext`` is transformed into ``filename-YYYY-MM-DD-HHMMSS.ext``
    """
    filename = secure_filename(filename)
    date = datetime.datetime.utcnow().strftime("%Y-%m-%d-%H%M%S")
    basename, extension = filename.rsplit('.', 1)
    return "{0}-{1}.{2}".format(basename, date, extension)