import re, shutil, os from datetime import datetime, timezone regex = r"\#define NUKI_HUB_DATE \"(.*)\"" content_new = "" with open ('src/Config.h', 'r' ) as readfile: file_content = readfile.read() content_new = re.sub(regex, "#define NUKI_HUB_DATE \"" + datetime.now(timezone.utc).strftime("%Y-%m-%d %H:%M:%S") + "\"", file_content, flags = re.M) with open('src/Config.h', 'w') as writefile: writefile.write(content_new)