from PIL import Image
import sys
def processImage(infile):
    try:
        im = Image.open(infile)
    except IOError:
        print ("Cant load", infile)
        sys.exit(1)
    i = 0
    mypalette = im.getpalette()
    try:
        while 1:
            im.putpalette(mypalette)
            new_im = Image.new("RGBA", im.size)
            new_im.paste(im)
            new_im.save(\'image\\a\'+str(i)+\'.png\')
            i += 1
            im.seek(im.tell() + 1)
    except EOFError:
        pass # end of sequence
processImage(\'source.gif\')

import matplotlib.pyplot as plt
import imageio,os
images = []
filenames=sorted((fn for fn in os.listdir(\'.\') if fn.endswith(\'.png\')))
for filename in filenames:
    images.append(imageio.imread(filename))
imageio.mimsave(\'gif.gif\', images,duration=1)

imageio.help(\'gif\')

from PIL import Image
im=Image.open("a0.png")
images=[]
images.append(Image.open(\'a1.png\'))
images.append(Image.open(\'a2.png\'))
im.save(\'gif.gif\', save_all=True, append_images=images,loop=1,duration=1,comment=b"aaabb")

from pyquery import PyQuery as pq
d = pq(\'http://products.weather.com.cn/product/radar/index/procode/JC_RADAR_AZ9210_JB\')
DomTree = d(\'#slideform #slide option\')

images.append(Image.open(\'http://pi.weather.com.cn/i/product/pic/l/sevp_aoc_rdcp_sldas_ebref_az9210_l88_pi_20170621014800000.png\'))

Traceback (most recent call last):
  File "E:/project/test2/my.py", line 29, in <module>
    images.append(Image.open(\'http://pi.weather.com.cn/i/product/pic/l/sevp_aoc_rdcp_sldas_ebref_az9210_l88_pi_20170621014800000.png\'))
  File "C:\Python36\lib\site-packages\PIL\Image.py", line 2410, in open
    fp = builtins.open(filename, "rb")
OSError: [Errno 22] Invalid argument: \'http://pi.weather.com.cn/i/product/pic/l/sevp_aoc_rdcp_sldas_ebref_az9210_l88_pi_20170621014800000.png\'

import imageio
import visvis as vv
im = imageio.imread(\'http://upload.wikimedia.org/wikipedia/commons/d/de/Wikipedia_Logo_1.0.png\')
vv.imshow(im)

import requests
r = requests.get(\'http://pi.weather.com.cn/i/product/pic/l/sevp_aoc_rdcp_sldas_ebref_az9210_l88_pi_20170621014800000.png\', timeout=3)
file = open(\'b1.png\', \'wb\')
size = file.write(r.content)
file.close()

# -*- coding: UTF8 -*-
import requests
from pyquery import PyQuery as pq
import os, sys
import imageio
from PIL import Image
\'\'\'
天气预报.gif 生成class
\'\'\'
 
 
class weatherForecast():
    def __init__(self, weatherSite, path, endpng, savemodel):
        self.savemodel = savemodel
        if not os.path.exists(path):
            os.makedirs(path)
    def getPic(self):
        \'\'\'
        获取资源
        \'\'\'
        print(\'获取pic\')
        d = pq(weatherSite)
        DomTree = d(\'#slideform #slide option\')  # 获取DOM节点option 标签
        num = 100
        for bigpic in DomTree.items():
            pic = bigpic.attr(\'bigpic\')  # 获取bigpic 属性指
            num += 1
            self.download(pic, \'a\' + str(num) + \'.png\')  # 下载pic
        print(\'pic下载成功，共下载\' + str(num - 100) + \'个png\')
        self.download(endpng, \'a1200.png\')  # 下载end.png
        self.download(endpng, \'a1201.png\')
        self.download(endpng, \'a1202.png\')
        self.download(endpng, \'a1203.png\')
    def download(self, url, fname):
        \'\'\'
        下载pic
        :return images size
        \'\'\'
        size = 0
        try:
            r = requests.get(url, timeout=3)
            file = open(path + fname, \'wb\')
            size = file.write(r.content)
            file.close()
        except:
            pass
        return size
    def getGIF(self):
        \'\'\'
        生成gif
        \'\'\'
        images = []
        print(\'执行开始\')
        self.getPic()  # 获取图片资源
        filenames = sorted(fn for fn in os.listdir(path) if fn.endswith(\'.png\'))
        if self.savemodel == 1:  # imageio方法
            for filename in filenames:
                images.append(imageio.imread(path + filename))
            print(\'执行conversion操作\')
            imageio.mimsave(\'weather.gif\', images, duration=0.5, loop=1)  # duration 每帧间隔时间，loop 循环次数
            print(\'完成……\')
        elif self.savemodel == 2:  # PIL 方法
            imN = 1
            for filename in filenames:
                if imN == 1:  # 执行一次 im的open操作，PIL在保存gif之前，必须先打开一个生成的帧，默认第一个frame的大小、调色
                    im = Image.open(path + filename)
                    imN = 2
                images.append(Image.open(path + filename))
            print(\'执行conversion操作\')
            im.save(\'weather.gif\', save_all=True, append_images=images, loop=1, duration=500,
                    comment=b"this is my weather.gif")
            print(\'完成……\')
\'\'\'
注：loop循环次数在浏览器有效果，用看图软件不起作用
\'\'\'
if __name__ == "__main__":
    weatherSite = "http://products.weather.com.cn/product/radar/index/procode/JC_RADAR_AZ9210_JB"  # 上海南汇
    path = \'images/\'  # png 图片存储位置
    endpng = \'http://images.cnblogs.com/likecs_com/dcb3688/982266/o_end.png\'  # 因gif是循环播放，end png 区分新loop
    savemodel = 1  # 1：imageio保存图片， 2：PIL保存图片
    weatherForecast = weatherForecast(weatherSite, path, endpng, savemodel)
    weatherForecast.getGIF()
    sys.exit()

    def download(self, url, fname):
        \'\'\'
        下载pic
        :return images size
        \'\'\'
        size = 0
        try:
            r = requests.get(url, timeout=3)
            file = open(path + fname, \'wb\')
            size = file.write(r.content)
            file.close()
            # 修改图片大小，原：x=640*y=480  = 320*240
            ima = Image.open(path + fname)
            (x, y) = ima.size  # read image size
            x_s = 320
            y_s = int((y * x_s) / x)  # #calc height based on standard width
            out = ima.resize((x_s, y_s), Image.ANTIALIAS)  # resize image with high-quality
            out.save(path + fname)
        except:
            pass
        return size

*/5 * * * * python /home/wwwroot/www/web/static/weather/weather_forecast.py                  #每5分钟执行天气查询脚本

imageio.mimsave(\'/home/wwwroot/www/web/static/weather/weather.gif\', images, duration=0.5, loop=1)  # duration 每帧间隔时间，loop 循环次数