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"""
.. codeauthor:: Tsuyoshi Hombashi <tsuyoshi.hombashi@gmail.com>
"""
from collections.abc import Sequence
from typing import Any
from .error import DataError
Row = tuple[int, Any]
def to_value_matrix(headers: Sequence[str], value_matrix: Sequence[Any]) -> list[Row]:
if not value_matrix:
return []
return [_to_row(headers, values, row_idx)[1] for row_idx, values in enumerate(value_matrix)]
def _to_row(headers: Sequence[str], values: Any, row_idx: int) -> Row:
if headers:
try:
values = values._asdict()
except AttributeError:
pass
try:
return (row_idx, [values.get(header) for header in headers])
except (TypeError, AttributeError):
pass
if not isinstance(values, (tuple, list)):
raise DataError(f"row must be a list or tuple: actual={type(values)}")
return (row_idx, values)
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