将普通 Python 脚本转换为 REST API

Question

这里我有一个 excel 到 pdf 的转换脚本。如何修改它以充当 REST API？import osimport comtypes.clientSOURCE_DIR = 'D:/projects/python'TARGET_DIR = 'D:/projects/python'app = comtypes.client.CreateObject('Excel.Application')app.Visible = Falseinfile = os.path.join(os.path.abspath(SOURCE_DIR), 'ratesheet.xlsx')outfile = os.path.join(os.path.abspath(TARGET_DIR), 'ratesheet.pdf')doc = app.Workbooks.Open(infile)doc.ExportAsFixedFormat(0, outfile, 1, 0)doc.Close()app.Quit()