python裁剪pdf中的图片

import os
import fitz
import requests

#剪切pdf为图片
def CutPdf(pdfPath,savePath):
    try:
        doc = fitz.open(pdfPath) #pdf路径
        for pg in range(doc.pageCount):
            if pg >= 1:
                break;
            page = doc[pg]
            rotate = int(0)
            # 每个尺寸的缩放系数为2，这将为我们生成分辨率提高四倍的图像。
            zoom_x = 2.0
            zoom_y = 2.0
            trans = fitz.Matrix(zoom_x, zoom_y).preRotate(rotate)
            pm = page.getPixmap(matrix=trans, alpha=False)
            pm.writePNG(savePath+'%s.png'% str(pg+1) ) #最终存储路径
    except Exception as e:
        print('CutPdf出现异常:'+str(e))


def main():
    pdfUrl = "cards"
    fileList = os.listdir(pdfUrl)
    index=1
    for item in  fileList:
        url= pdfUrl + "/" + item
        url2= "images/" + item.split('.')[0]
        CutPdf(url,url2)
        print("完成裁剪："+str(index))
        index+=1

if __name__ == "__main__":
    main()