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把最近学的爬虫,图像操作都用上了。
import requests
from lxml import etree
import imageio
import re
import pyglet
import os
# 存储当天12张图
def ckdir():
if os.path.exists('wxyt_pic') == False:
os.mkdir('wxyt_pic')
# 获取图片url列表
def getpage(page):
try:
r = requests.get(page, headers=headers)
html = etree.HTML(r.text)
result = html.xpath('//script[@type="text/javascript"]/text()')[2]
urls = re.findall('/product.*.JPG', result)
return urls
except Exception as e:
print(e)
# 下载图片
def dlpic(urls):
filenames = []
for item in urls:
r = requests.get(base_url + item, headers)
filename = item.split('/')[-1]
filenames.append(filename)
with open('wxyt_pic\\' + filename, 'wb') as f:
f.write(r.content)
print('已下载:'+item)
return filenames
# 制作gif
def makegif(images):
frames = []
images.reverse()
for item in images:
frames.append(imageio.imread('wxyt_pic\\'+item))
imageio.mimsave('hecheng.gif', frames, 'GIF', duration=1)
# 播放gif
def playgif(seq=0):
if set == 0:
#播放12张合成好的gif
animation = pyglet.resource.animation('hecheng.gif')
else:
pyglet.resource.path = ['wxyt_pic']
la = os.listdir('wxyt_pic')
images = []
for n in la:
images.append(pyglet.resource.image(n))
#播放库存中的所有照片
animation = pyglet.image.Animation.from_image_sequence(images, period=0.5, loop=True)
#显示动画
sprite = pyglet.sprite.Sprite(animation)
windows = pyglet.window.Window(width=sprite.width, height=sprite.height)
@windows.event
def on_draw():
windows.clear()
sprite.draw()
pyglet.app.run()
# init
if __name__ == '__main__':
base_url = 'http://image.nmc.cn'
page = 'http://www.nmc.cn/publish/satellite/fy2.htm'
headers = {"user-agent": "firefox"}
ckdir()
urls = getpage(page)
images = dlpic(urls)
makegif(images)
# 0只播放今天12张,1播放库存里所有照片
playgif(1)
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