Python3将jpg转为pdf文件的方法示例

yipeiwu_com5年前Python基础

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。

相关文章

python+ffmpeg批量去视频开头的方法

用来批量切割视频的开头部分,比如去掉一部电视剧的序幕,看着难受不说数量还很多,很菜鸟的一篇,毕竟我也是一个菜鸟,首先要有ffmpeg这个软件,安装什么的就不说了,网上一搜就出来了,直接给...

浅谈django model的get和filter方法的区别(必看篇)

django的get和filter方法是django model常用到的,搞清楚两者的区别非常重要。 为了说明它们两者的区别定义2个models class Student(mode...

详解Appium+Python之生成html测试报告

详解Appium+Python之生成html测试报告

思考:测试用例执行后,如何生成一个直观漂亮的测试报告呢? 分析: 1.unittest单元测试框架本身带有一个textTestRunner类,可以生成txt文本格式的测试报告,但是页面不...

使用python实现baidu hi自动登录的代码

复制代码 代码如下:# _*_ coding:utf-8 _*_# name login_baidu.pyimport urllib,urllib2,httplib,cookielibd...

python设计tcp数据包协议类的例子

python设计tcp数据包协议类的例子

一. 问题描述 在tcp编程中,最需要解决的就是粘包分包问题。所以,我们需要在每个数据包前面加上数据包的长度用以分割粘连的包。 二. 包结构的设计 包的组成:包长度+数据域 包长度:用4...