replace text in docx (Microsoft Word) file with changing color red and dump to terminal.

replacex.py

#!/usr/bin/env python3
""" docxファイルの文字列置換を行うモジュール
usage:
    $ python replacex.py OLDWORD NEWWORD [FILENAMES...]
"""
import sys
from docx import Document
# from docx.shared import Pt
from docx.shared import RGBColor

CRED = '\033[91m'
CEND = '\033[0m'


def replace_text(paragraph, before, after):
    """paragraph内の文字列beforeをafterへ置換する"""
    replaced_text = paragraph.text.replace(before, after)
    if paragraph.text != replaced_text:
        paragraph.text = replaced_text
        # Print out result
        colored = paragraph.text.replace(after, CRED + after + CEND)
        print(colored)
        # Modify docx sentence
        # paragraph.runs[0].font.size = Pt(10.5)
        paragraph.runs[0].font.color.rgb = RGBColor(235, 0, 0)


def replace_texts(readfile, writefile, *words):
    """
    readfile内の本文とテーブルの文字列を
    wordsに従って置換して
    writefileへ保存する。
    """
    document = Document(readfile)
    for word in words:
        # 本文書き換え
        for paragraph in document.paragraphs:
            replace_text(paragraph, word[0], word[1])
        # テーブル書き換え
        paragraphs = (paragraph for table in document.tables
                      for row in table.rows for cell in row.cells
                      for paragraph in cell.paragraphs)
        for paragraph in paragraphs:
            replace_text(paragraph, word[0], word[1])
    document.save(writefile)


def main(old, new, *filenames):
    """引数に対してreplace_textを実行する"""
    for filename in filenames:
        document = Document(filename)
        print("==filename:", filename, "==")
        # 本文書き換え
        for paragraph in document.paragraphs:
            replace_text(paragraph, old, new)
        # テーブル書き換え
        paragraphs = (paragraph for table in document.tables
                      for row in table.rows for cell in row.cells
                      for paragraph in cell.paragraphs)
        for paragraph in paragraphs:
            replace_text(paragraph, old, new)
        document.save(filename)


if __name__ == '__main__':
    if '-h' in sys.argv or '--help' in sys.argv:
        print(__doc__)
        sys.exit(0)
    main(sys.argv[1], sys.argv[2], *sys.argv[3:])