def from_row_column(cls, row, column):
"""
Returns a new RackPosition instance from the row name
and column number.
Invokes :func:`from_indices`.
:Note: Try not to use this method if you can avoid it as it takes
as it takes a lot of time if you try to fetch a larger number
of rack positions one by one. Use the rack position cache in the
:mod:`semiconstants` module instead, if possible.
:param row: a set of characters from a-z (or A-Z) which signifies a row
:type row: :class:`string`
:param column: a number signifying the row
:type column: :class:`int`
:return: The wanted rack position.
:rtype: :class:`RackPosition`
"""
row_index = number_from_label(row) - 1
column_index = column - 1
return cls.from_indices(row_index, column_index)
def from_row_column(cls, row, column):
"""
Returns a new RackPosition instance from the row name
and column number.
Invokes :func:`from_indices`.
:Note: Try not to use this method if you can avoid it as it takes
as it takes a lot of time if you try to fetch a larger number
of rack positions one by one. Use the rack position cache in the
:mod:`semiconstants` module instead, if possible.
:param row: a set of characters from a-z (or A-Z) which signifies a row
:type row: :class:`string`
:param column: a number signifying the row
:type column: :class:`int`
:return: The wanted rack position.
:rtype: :class:`RackPosition`
"""
row_index = number_from_label(row) - 1
column_index = column - 1
return cls.from_indices(row_index, column_index)
def test_basic(self):
assert number_from_label('ag') == 33
def test_basic(self):
assert number_from_label('ag') == 33
