python word转pdf不依赖office_python 实现将office文件 (word, ppt, excel等) 转为pdf

import os

from win32com.client import Dispatch, constants, gencache, DispatchEx

class PDFConverter:

def __init__(self, pathname, export='.'):

self._handle_postfix = ['doc', 'docx', 'ppt', 'pptx', 'xls', 'xlsx']

self._filename_list = list()

self._export_folder = os.path.join(os.path.abspath('.'), 'pdfconver')

if not os.path.exists(self._export_folder):

os.mkdir(self._export_folder)

self._enumerate_filename(pathname)

def _enumerate_filename(self, pathname):

'''

读取所有文件名

'''

full_pathname = os.path.abspath(pathname)

if os.path.isfile(full_pathname):

if self._is_legal_postfix(full_pathname):

self._filename_list.append(full_pathname)

else:

raise TypeError('文件 {} 后缀名不合法!仅支持如下文件类型:{}。'.format(pathname, '、'.join(self._handle_postfix)))

elif os.path.isdir(full_pathname):

for relpath, _, files in os.walk(full_pathname):

for name in files:

filename = os.path.join(full_pathname, relpath, name)

if self._is_legal_postfix(filename):

self._filename_list.append(os.path.join(filename))

else:

raise TypeError('文件/文件夹 {} 不存在或不合法!'.format(pathname))

def _is_legal_postfix(self, filename):

return filename.split('.')[-1].lower() in self._handle_postfix and not os.path.basename(filename).startswith('~')

def run_conver(self):

'''

进行批量处理,根据后缀名调用函数执行转换

'''

print('需要转换的文件数:', len(self._filename_list))

for filename in self._filename_list:

postfix = filename.split('.')[-1].lower()

funcCall = getattr(self, postfix)

print('原文件:', filename)

funcCall(filename)

print('转换完成!')

def doc(self, filename):

'''

doc 和 docx 文件转换

'''

name = os.path.basename(filename).split('.')[0] + '.pdf'

exportfile = os.path.join(self._export_folder, name)

print('保存 PDF 文件:', exportfile)

gencache.EnsureModule('{00020905-0000-0000-C000-000000000046}', 0, 8, 4)

w = Dispatch("Word.Application")

doc = w.Documents.Open(filename)

doc.ExportAsFixedFormat(exportfile, constants.wdExportFormatPDF,

Item=constants.wdExportDocumentWithMarkup,

CreateBookmarks=constants.wdExportCreateHeadingBookmarks)

w.Quit(constants.wdDoNotSaveChanges)

def docx(self, filename):

self.doc(filename)

def xls(self, filename):

'''

xls 和 xlsx 文件转换

'''

name = os.path.basename(filename).split('.')[0] + '.pdf'

exportfile = os.path.join(self._export_folder, name)

xlApp = DispatchEx("Excel.Application")

xlApp.Visible = False

xlApp.DisplayAlerts = 0

books = xlApp.Workbooks.Open(filename,False)

books.ExportAsFixedFormat(0, exportfile)

books.Close(False)

print('保存 PDF 文件:', exportfile)

xlApp.Quit()

def xlsx(self, filename):

self.xls(filename)

def ppt(self, filename):

'''

ppt 和 pptx 文件转换

'''

name = os.path.basename(filename).split('.')[0] + '.pdf'

exportfile = os.path.join(self._export_folder, name)

gencache.EnsureModule('{00020905-0000-0000-C000-000000000046}', 0, 8, 4)

p = Dispatch("PowerPoint.Application")

ppt = p.Presentations.Open(filename, False, False, False)

ppt.ExportAsFixedFormat(exportfile, 2, PrintRange=None)

print('保存 PDF 文件:', exportfile)

p.Quit()

def pptx(self, filename):

self.ppt(filename)

if __name__ == "__main__":

# 支持文件夹批量导入

folder = 'tmp'

pathname = os.path.join(os.path.abspath('.'), folder)

# 也支持单个文件的转换

# pathname = 'test.doc'

pdfConverter = PDFConverter(pathname)

pdfConverter.run_conver()

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