# -*- coding: utf-8 -*-

"""

linux platform word to pdf

"""

import subprocess

import os

try:

    from comtypes import client

except ImportError:

    client = None

try:

    from win32com.client import constants, gencache

except ImportError:

    constants = None

    gencache = None

def doc2pdf_linux(docPath, pdfPath):

    """

    convert a doc/docx document to pdf format (linux only, requires libreoffice)

    :param doc: path to document

    """

    cmd = 'libreoffice6.3 --headless --convert-to pdf'.split() + [docPath] + ['--outdir'] + [pdfPath]

    p = subprocess.Popen(cmd, stderr=subprocess.PIPE, stdout=subprocess.PIPE)

    p.wait(timeout=30)

    stdout, stderr = p.communicate()

    if stderr:

        raise subprocess.SubprocessError(stderr)

def doc2pdf(docPath, pdfPath):

    """

        convert a doc/docx document to pdf format

        :param doc: path to document

        """

    docPathTrue = os.path.abspath(docPath)  # bugfix - searching files in windows/system32

    if client is None:#判断环境，linux环境这里肯定为None

        return doc2pdf_linux(docPathTrue, pdfPath)

    word = gencache.EnsureDispatch('Word.Application')

    doc = word.Documents.Open(docPathTrue, ReadOnly=1)

    doc.ExportAsFixedFormat(pdfPath,

                            constants.wdExportFormatPDF,

                            Item=constants.wdExportDocumentWithMarkup,

                            CreateBookmarks=constants.wdExportCreateHeadingBookmarks)

    word.Quit(constants.wdDoNotSaveChanges)

if __name__ == '__main__':

    wordpath='/var/db/Report_20191206105753.docx'

    pdfpath='/var/db'

    doc2pdf(wordpath,pdfpath)