python 将文件夹内的图片转换成PDF

标签：cap   pdf   ima   lis   success   amp   walk   lib   and   

import os
import string
from PIL import Image
from reportlab.lib.pagesizes import A4, landscape
from reportlab.pdfgen import canvas
import sys

def file_name(file_dir, suffix = ".jpg"):
L=[]
for root, dirs, files in os.walk(file_dir):
for file in files:
if os.path.splitext(file)[1] == suffix:
L.append(os.path.join(root, file))
return L

#f_pdf pdf file path ,include filename
#filedir pic file path
#suffix pic file suffix examples: .jpg
def conpdf(f_pdf , filedir, suffix):
(w, h) = landscape(A4)
c = canvas.Canvas(f_pdf, pagesize = landscape(A4))
fileList = file_name(filedir, suffix)

for f in fileList:
(xsize, ysize) = Image.open(f).size

ratx = xsize / w
raty = ysize / h
ratxy = xsize / (1.0 * ysize)
if ratx > 1:
ratx = 0.99
if raty > 1:
raty = 0.99

rat = ratx

if ratx < raty:
rat = raty
widthx = w * rat
widthy = h * rat
widthx = widthy * ratxy
posx = (w - widthx) / 2
if posx < 0:
posx = 0
posy = (h - widthy) / 2
if posy < 0:
pos = 0

c.drawImage(f, posx, posy, widthx, widthy)
c.showPage()
c.save()
print "Image to pdf success!"

if __name__ == ‘__main__‘:
if len(sys.argv)== 4:
conpdf(sys.argv[1], sys.argv[2], sys.argv[3])
elif len(sys.argv) == 3:
#default .jpg
conpdf(sys.argv[1], sys.argv[2])
else:
conpdf("C:\\Users\\pzf\\test.pdf", "c:\\magn", ".jpg")

python 将文件夹内的图片转换成PDF

标签：cap   pdf   ima   lis   success   amp   walk   lib   and   

原文地址：http://www.cnblogs.com/pzf9266/p/7814132.html