- html转pdf文件
抓取aming的linux教程，抓取每个网页。
1 import re 2 import requests 3 4 reg = re.compile(r"目录列表
\s+
- \s+([\s\S]*?
http://www.apelearn.com/study_v2/chapter1.htmlhttp://www.apelearn.com/study_v2/chapter2.htmlhttp://www.apelearn.com/study_v2/chapter3.htmlhttp://www.apelearn.com/study_v2/chapter4.htmlhttp://www.apelearn.com/study_v2/chapter5.htmlhttp://www.apelearn.com/study_v2/chapter6.htmlhttp://www.apelearn.com/study_v2/chapter7.htmlhttp://www.apelearn.com/study_v2/chapter8.htmlhttp://www.apelearn.com/study_v2/chapter9.htmlhttp://www.apelearn.com/study_v2/chapter10.htmlhttp://www.apelearn.com/study_v2/chapter11.htmlhttp://www.apelearn.com/study_v2/chapter12.htmlhttp://www.apelearn.com/study_v2/chapter13.htmlhttp://www.apelearn.com/study_v2/chapter14.htmlhttp://www.apelearn.com/study_v2/chapter15.htmlhttp://www.apelearn.com/study_v2/chapter16.htmlhttp://www.apelearn.com/study_v2/chapter17.htmlhttp://www.apelearn.com/study_v2/chapter18.htmlhttp://www.apelearn.com/study_v2/chapter19.htmlhttp://www.apelearn.com/study_v2/chapter20.htmlhttp://www.apelearn.com/study_v2/chapter21.htmlhttp://www.apelearn.com/study_v2/chapter22.htmlhttp://www.apelearn.com/study_v2/chapter23.htmlhttp://www.apelearn.com/study_v2/chapter24.htmlhttp://www.apelearn.com/study_v2/chapter25.htmlhttp://www.apelearn.com/study_v2/chapter26.html
生成一个空白的PDF
1 import codecs 2 import PyPDF2 3 import os 4 5 files = list() 6 for fileName in os.listdir("aming"): 7 if fileName.endswith(".pdf"): 8 files.append(fileName) 9 10 newFiles = sorted(files, key=lambda d: int(d.split(".pdf")[0]))11 print(newFiles)12 13 14 os.chdir("aming")15 pdfWriter = PyPDF2.PdfFileWriter()#生成一个空白的pdf16 for item in newFiles:17 pdfReader = PyPDF2.PdfFileReader(open(item, "rb"))18 for page in range(pdfReader.numPages):19 pdfWriter.addPage(pdfReader.getPage(page))20 21 with codecs.open("aminglinux.pdf", "wb") as f:22 pdfWriter.write(f) []
- python3使用模块PIL来处理图片
from PIL import Imageimage = Image.open("test.jpg")print(image.format, image.size, image.mode)image.show()cutjpg = image.crop((320, 65, 460, 220))cutjpg.show()position = (320, 65, 460, 220)cutjpg = image.crop(position).transpose(Image.ROTATE_180)image.paste(cutjpg, position)image.show()(x, y) = image.sizenewx = 30newy = int(y*newx/x)newimage = image.resize((newx, newy))newimage.show()#image的方法#image.show()#image.open(file)#image.save(outputfile)#image.crop(left, upper, right, lower)#抠图# Image的几何处理：# out = im.resize((128, 128)) #调整图片大小# out = im.rotate(45) #逆时针旋转 45 度角。# out = im.transpose(Image.FLIP_LEFT_RIGHT) #左右对换。# out = im.transpose(Image.FLIP_TOP_BOTTOM) #上下对换。# out = im.transpose(Image.ROTATE_90) #旋转 90 度角。# out = im.transpose(Image.ROTATE_180) #旋转 180 度角。# out = im.transpose(Image.ROTATE_270) #旋转 270 度角。
1 import random 2 import string 3 4 from PIL import Image, ImageFont, ImageDraw, ImageFilter 5 6 font_path = "msyh.ttf" 7 number = 4 8 size = (100, 30) 9 bgcolor = (255, 255, 255)10 fontcolor = (0, 0, 255)11 linecolor = (255, 0, 0)12 draw_line = True13 # 加入干扰线条数的上下限14 line_number = 3015 16 17 #生成一个随机字符串18 19 def getNumber():20 source = list(string.ascii_letters) + list(string.digits)21 return "".join(random.sample(source, number))22 23 #绘制干扰线24 def getLine(draw, width, height):25 begin = random.randint(0, width), random.randint(0, height)26 end = random.randint(0, width), random.randint(0, height)27 draw.line([begin, end], fill=linecolor)28 29 def getCode():30 width, height = size31 image = Image.new("RGBA", size, bgcolor)32 font = ImageFont.truetype(font_path, 25)33 draw = ImageDraw.Draw(image)34 text = getNumber()35 font_width, font_height = font.getsize(text)36 draw.text(((width - font_width) / 2, (height - font_height) / 2), text, font=font, fill=fontcolor) # 填充字符串37 if draw_line:38 for i in range(line_number):39 getLine(draw, width, height)40 41 # image = image.transform((width + 20, height + 10), Image.AFFINE, (1, -0.3, 0, -0.1, 1, 0), Image.BILINEAR) # 创建扭曲42 image = image.filter(ImageFilter.EDGE_ENHANCE_MORE) # 滤镜，边界加强43 image.save('idencode.png') # 保存验证码图片44 # image.show()45 if __name__ == '__main__':46 getCode()