图片切割
# coding:utf-8
import os
from PIL import Image
def splitimage(src, rownum, colnum, dstpath):
img = Image.open(src)
w, h = img.size
if rownum <= h and colnum <= w:
print('Original image info: %sx%s, %s, %s' % (w, h, img.format, img.mode))
print('开始处理图片切割, 请稍候...')
s = os.path.split(src)
if dstpath == '':
dstpath = s[0]
fn = s[1].split('.')
basename = fn[0]
ext = fn[-1]
num = 0
rowheight = h // rownum
colwidth = w // colnum
for r in range(rownum):
for c in range(colnum):
box = (c * colwidth, r * rowheight, (c + 1) * colwidth, (r + 1) * rowheight)
img.crop(box).save(os.path.join(dstpath, basename + '_' + str(num) + '.' + ext), ext)
num += 1
print('图片切割完毕,共生成 %s 张小图片。' % num)
else:
print('不合法的行列切割参数!')
src = input('请输入图片文件路径:')
if os.path.isfile(src):
dstpath = input('请输入图片输出目录(不输入路径则表示使用源图片所在目录):')
if (dstpath == '') or os.path.exists(dstpath):
row = int(input('请输入切割行数:'))
col = int(input('请输入切割列数:'))
if row > 0 and col > 0:
splitimage(src, row, col, dstpath)
else:
print('无效的行列切割参数!')
else:
print('图片输出目录 %s 不存在!' % dstpath)
else:
print('图片文件 %s 不存在!' % src)
eg:输入"e://pictures//1.jpg" 1 4
########## 图片切割 ################# 图片切割
########## 图片下载 ################# 图片下载
# coding:utf-8
import re
import os
import glob
import requests
import sys
reload(sys)
sys.setdefaultencoding('utf8')
def downpicture(html, keyword):
pic_url = re.findall('"objURL":"(.*?)",', html, re.S)
i = 0
print('找到关键词:'+keyword+'的图片,现在开始下载图片...')
for each in pic_url:
print('正在下载第'+str(i+1)+'张图片,图片地址:'+str(each))
try:
pic = requests.get(each, timeout=10)
except Exception as e:
print('【错误】当前图片无法下载')
continue
string = 'e:\\pictures\\'+keyword+'_'+str(i)+'.jpg'
fp = open(string.encode('cp936'), 'wb') # 图片名称,不编码将会乱码
fp.write(pic.content)
fp.close()
i += 1
def deletepicture():
for infile in glob.glob(r'e:\\pictures\\*.jpg'):
os.remove(infile)
if __name__ == '__main__':
# word = raw_input('input key word:\n')
# url = 'http://image.baidu.com/search/flip?tn=baiduimage&ie=utf-8&word='+word+'&ct=201326592&v=flip'
# result = requests.get(url)
# downpicture(result.text, word)
deletepicture()
########## 图片下载 ################# 图片删除