Python3将jpg转为pdf文件的方法示例
作者:nudt_qxx
这篇文章主要介绍了Python3将jpg转为pdf文件的方法,结合完整实例形式分析了Python3针对jpg转pdf格式的文件读写、编码装换等相关操作技巧,需要的朋友可以参考下
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:https://github.com/mrbeann/jpg2pdf
更多Python相关内容感兴趣的读者可查看本站专题:《Python文件与目录操作技巧汇总》、《Python编码操作技巧总结》、《Python数据结构与算法教程》、《Python函数使用技巧总结》、《Python字符串操作技巧汇总》及《Python入门与进阶经典教程》
希望本文所述对大家Python程序设计有所帮助。