本文实例讲述了Python3将jpg转为pdf文件的方法。分享给大家供大家参考，具体如下：
#coding=utf-8
#!/usr/bin/env python
"""
convert image to pdf file
"""
#Author: mrbeann
import os
import sys
import glob
import platform
from reportlab.lib.pagesizes import letter, A4, landscape
from reportlab.platypus import SimpleDocTemplate, Image
from reportlab.lib.units import inch
from reportlab.pdfgen import canvas
from reportlab import rl_settings
from PIL import Image
import importlib,sys
#importlib.reload(sys)
#sys.setdefaultencoding("utf-8")
def topdf(path,recursion=None,pictureType=None,sizeMode=None,width=None,height=None,fit=None,save=None):
"""
Parameters
----------
path : string
path of the pictures
recursion : boolean
None or False for no recursion
True for recursion to children folder
wether to recursion or not
pictureType : list
type of pictures,for example :jpg,png...
sizeMode : int
None or 0 for pdf"s pagesize is the biggest of all the pictures
1 for pdf"s pagesize is the min of all the pictures
2 for pdf"s pagesize is the given value of width and height
to choose how to determine the size of pdf
width : int
width of the pdf page
height : int
height of the pdf page
fit : boolean
None or False for fit the picture size to pagesize
True for keep the size of the pictures
wether to keep the picture size or not
save : string
path to save the pdf
"""
if platform.system() == "Windows":
path = path.replace("\","/")
if path[-1] != "/":
path = (path + "/")
if recursion == True:
for i in os.listdir(path):
if os.path.isdir(os.path.abspath(os.path.join(path, i))):
topdf(path+i,recursion,pictureType,sizeMode,width,height,fit,save)
filelist = []
if pictureType == None:
filelist = glob.glob(os.path.join(path, "*.jpg"))
else:
for i in pictureType:
filelist.extend(glob.glob(os.path.join(path, "*."+i)))
maxw = 0
maxh = 0
if sizeMode == None or sizeMode == 0:
for i in filelist:
im = Image.open(i)
if maxw < im.size[0]:
maxw = im.size[0]
if maxh < im.size[1]:
maxh = im.size[1]
elif sizeMode == 1:
maxw = 999999
maxh = 999999
for i in filelist:
im = Image.open(i)
if maxw > im.size[0]:
maxw = im.size[0]
if maxh > im.size[1]:
maxh = im.size[1]
else:
if width == None or height == None:
raise Exception("no width or height provid")
maxw = width
maxh = height
maxsize = (maxw,maxh)
if save == None:
filename_pdf = path + path.split("/")[-2]
else:
filename_pdf = save + path.split("/")[-2]
filename_pdf = filename_pdf + ".pdf"
c = canvas.Canvas(filename_pdf, pagesize=maxsize )
l = len(filelist)
for i in range(l):
(w, h) =maxsize
width, height = letter
if fit == True:
c.drawImage(filelist[i] , 0,0)
else:
c.drawImage(filelist[i] , 0,0,maxw,maxh)
c.showPage()
c.save()
def main():
topdf(u"F:/gitplace/jpg2pdf/test",pictureType=["png","jpg"],save="F:/gitplace/jpg2pdf/test/新建文件夹")
if __name__ == "__main__":
main()
GitHub地址：/mrbeann/jpg2pdf
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希望本文所述对大家Python程序设计有所帮助。
