31 lines
864 B
Python
31 lines
864 B
Python
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import dna
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class Reader:
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"""
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A utility class used for reading DNA files
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"""
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@staticmethod
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def create_stream_reader(dna_path: str) -> dna.BinaryStreamReader:
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"""
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Creates a stream reader needed for reading values from the DNA file.
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@type dna_path: str
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@param dna_path: The path of the DNA file
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@rtype: dna.BinaryStreamReader
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@returns: The stream reader needed for reading values from the DNA file
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"""
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stream = dna.FileStream(
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dna_path, dna.FileStream.AccessMode_Read, dna.FileStream.OpenMode_Binary
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)
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reader = dna.BinaryStreamReader(stream, dna.DataLayer_All)
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reader.read()
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if not dna.Status.isOk():
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status = dna.Status.get()
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raise RuntimeError(f"Error loading DNA: {status.message}")
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return reader
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