optimize memory usage for OleStream #171
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OleStream used list to store the reading block and convert it to bytes by join, this method cause more memory useage and may more memory pool usage. This patch optimizes it by directly writing data to super BytesIO's buffer.
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OleStream used list to store the reading block and convert it to bytes by join, this method cause more memory useage and may more memory pool usage.
This patch optimizes it by directly writing data to super BytesIO's buffer.