Python使用reportlab将目录下所有的文本文件打印成pdf的方法

# -*- coding: utf8 -*- 
#~ #---------------------------------------------------------------------- 
import wlab #pip install wlab 
import reportlab.pdfbase.ttfonts 
#reportlab.pdfbase.pdfmetrics.registerFont(reportlab.pdfbase.ttfonts.TTFont('song', '/usr/share/fonts/cn/msjh.ttf')) 
#import reportlab.lib.fonts 
# 
from reportlab.pdfgen import canvas 
from reportlab.lib.units import inch 
# 
def file2pdf(FileName): 
 fpi=FileName.find('.') 
 if (fpi>0): 
 outputfn=FileName[0:fpi]+'.pdf' 
 else: 
 outputfn=FileName+'.pdf' 
 c = canvas.Canvas(outputfn) 
 #c.setFont('song',10) 
 textobject = c.beginText() 
 textobject.setTextOrigin(inch,11*inch) 
 file=open(FileName) 
 n=0 
 for line in file: 
 n=n+1 
 if(n<10): 
 nstr='0'+str(n) 
 else: 
 nstr=str(n) 
 line=nstr+': '+line.replace(' ',' ') 
 textobject.textLine(line.rstrip()) 
 c.drawText(textobject) 
 c.showPage() 
 c.save() 
# 
FileList=wlab.GetFileList('.',FlagStr=['.txt']) 
# 
for FileName in FileList: 
 file2pdf(FileName)