styles.alignment【配置】モジュール

from openpyxl import Workbook
from openpyxl.styles import Alignment
from openpyxl.utils import get_column_letter

# ワークブック作成
WORKBOOK = 'sample.xlsx'
wb = Workbook()
ws = wb.active
ws.column_dimensions[get_column_letter(1)].width = 2

# 横位置
col = 2
horizontals = {
    'fill': '繰り返し',
    'left': '左詰め (インデント)',
    'distributed': '均等割り付け (インデント)',
    'general': '標準',
    'centerContinuous': '選択範囲内で中央',
    'justify': '両端揃え '*10,
    'center': '中央揃え',
    'right': '右詰め (インデント)',
}
ws.cell(2, col).value = '横位置'
ws.cell(3, col).value = 'horizontal'
ws.column_dimensions[get_column_letter(col)].width = 15
ws.column_dimensions[get_column_letter(col + 1)].width = 30
row = 5
for h, value in horizontals.items():
    cell = ws.cell(row, col, h)
    alignment = Alignment(
        vertical='center',
    )
    cell.alignment = alignment
    cell = ws.cell(row, col + 1, value)
    alignment = Alignment(
        horizontal=h,
        vertical='center',
    )
    cell.alignment = alignment
    if h == 'centerContinuous':
        cell = ws.cell(row, col + 2)
        cell.alignment = alignment
    row += 1

# 縦位置
col += 3
verticals = {
    'top': '上詰め',
    'center': '中央揃え',
    'bottom': '下詰め',
    'justify': '両端揃え' * 3,
    'distributed': '均等割り付け' * 2,
}
ws.cell(2, col).value = '縦位置'
ws.cell(3, col).value = 'vertical'
row = 5
for v, value in verticals.items():
    cell = ws.cell(row, col, v)
    alignment = Alignment(
        vertical='center',
    )
    cell.alignment = alignment
    cell = ws.cell(row, col + 1, value)
    alignment = Alignment(
        vertical=v,
    )
    cell.alignment = alignment
    row += 1

# 文字列の回転・縦書き
col += 3
rotations = [0, 30, 45, 60, 90, 120, 135, 150, 180, 255]
VALUE = '文字列'
ws.cell(2, col).value = '文字列の回転'
ws.cell(3, col).value = 'textRotation / text_rotation'
for i in range(len(rotations)):
    row = i + 5
    ws.row_dimensions[row].height = 50
    cell = ws.cell(row, col, rotations[i])
    alignment = Alignment(
        vertical='center',
    )
    cell.alignment = alignment
    cell = ws.cell(row, col + 1, VALUE)
    alignment = Alignment(
        horizontal='center',
        vertical='center',
        textRotation=rotations[i],
    )
    cell.alignment = alignment

# ワークブック保存
wb.save(WORKBOOK)