def _get_well_list_horizontal(rows, columns):
"""Helper to get wells in 'horizontal' order."""
wells = []
for row in rows:
for column in columns:
wells.append(get_well_name(row, column))
return wells
def get_384_parent_well(child_quadrant, child_position):
"""
Get the 384-format position corresponding to a 96-format child position.
Uses the child's quadrant (A1, A2, B1, or B2) and the child's position
to calculate this.
"""
if child_quadrant[0] == 'A':
odd_row = True
else:
odd_row = False
if child_quadrant[1] == '1':
odd_column = True
else:
odd_column = False
child_row = child_position[0]
child_row_index = ROWS_96.index(child_row)
parent_row_index = child_row_index * 2
if not odd_row:
parent_row_index += 1
parent_row = ROWS_384[parent_row_index]
child_column = int(child_position[1:])
parent_column = child_column * 2
if odd_column:
parent_column -= 1
return get_well_name(parent_row, parent_column)
def _index_to_well(index):
"""Convert 0-indexed snake order (see module docstring) to well."""
row = ROWS_96[index / NUM_COLS_96]
index_in_row = index % NUM_COLS_96
if row in BACKWARDS_ROWS:
position_from_left = NUM_COLS_96 - 1 - index_in_row
else:
position_from_left = index_in_row
column = position_from_left + 1
return get_well_name(row, column)
def _index_to_well(index):
"""Convert 0-indexed snake order (see module docstring) to well."""
row = ROWS_96[index / NUM_COLS_96]
index_in_row = index % NUM_COLS_96
if row in BACKWARDS_ROWS:
position_from_left = NUM_COLS_96 - 1 - index_in_row
else:
position_from_left = index_in_row
column = position_from_left + 1
return get_well_name(row, column)
def get_symmetric_well(well, is_384=False):
"""
Get the well that is symmetric to the provided well.
Well A is symmetric to well B if the two would swap positions if the
plate were flipped 180 degrees.
"""
if not is_proper_well_name(well):
raise ValueError('{} is an improper well name'.format(well))
rows, cols = get_rows_and_cols(is_384)
row_idx = (len(rows) - 1) - rows.index(well[0])
row = rows[row_idx]
col = (len(cols) + 1) - int(well[1:])
return get_well_name(row, col)
def get_well_grid(is_384=False):
"""
Get a 2D list representing the wells in one plate.
is_384 param determines if the well list should be for 384-format
plates, or 96-format plates. Defaults to 96-format.
"""
rows, cols = get_rows_and_cols(is_384)
plate = []
for row in rows:
this_row = []
for column in cols:
well = get_well_name(row, column)
this_row.append(well)
plate.append(this_row)
return plate
def get_random_well(is_384=False):
"""Get a random well."""
rows, cols = get_rows_and_cols(is_384)
row = random.choice(rows)
col = random.choice(cols)
return get_well_name(row, col)
