Method _from_sequence

pandas/tests/extension/date/array.py:182–193

(cls, scalars, *, dtype: Dtype | None = None, copy=False)

    @classmethod
    def _from_sequence(cls, scalars, *, dtype: Dtype | None = None, copy=False):
        if isinstance(scalars, dt.date):
            raise TypeError
        elif isinstance(scalars, DateArray):
            if dtype is not None:
                return scalars.astype(dtype, copy=copy)
            if copy:
                return scalars.copy()
            return scalars[:]
        elif isinstance(scalars, np.ndarray):
            scalars = scalars.astype("U10")  # 10 chars for yyyy-mm-dd
            return DateArray(scalars)