def get_field_size(field):
    try:
        field.seek(0, 2)  # Seek to the end of the file
        size = field.tell()  # Get the position of EOF
        field.seek(0)  # Reset the file position to the beginning
        return size
    except:
        return 0
generate a stack from a portion of the tree
dataset/ETHPy150Open gregorynicholas/flask-gae_blobstore/flask_gae_blobstore.py/get_field_size--crossover with--dataset/ETHPy150Open NervanaSystems/neon/neon/backends/float_ew.py/_post_order