38 lines
966 B
Python
38 lines
966 B
Python
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from typing import Optional, Union, cast
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# TODO: Remove after DataTypes and ValidatorsAttr is removed
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def cast_xml_to_string(xml_value: Union[memoryview, bytes, bytearray, str]) -> str:
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"""Cast XML value to a string.
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Args:
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xml_value (Union[memoryview, bytes, bytearray, str]): The XML value to cast.
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Returns:
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str: The XML value as a string.
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"""
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return cast(str, xml_to_string(xml_value))
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def xml_to_string(
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xml: Optional[Union[memoryview, bytes, bytearray, str]],
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) -> Optional[str]:
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"""Convert XML value to a string.
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Args:
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xml_value (Union[memoryview, bytes, bytearray, str]): The XML value to cast.
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Returns:
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str: The XML value as a string.
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"""
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if xml is None:
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return None
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string = xml
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if isinstance(xml, memoryview):
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string = xml.tobytes().decode()
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elif isinstance(xml, (bytes, bytearray)):
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string = xml.decode()
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return cast(str, string)
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