实时卫星云图-重磅发布：一款基于GK-2A卫星云图的实时更新的桌面壁纸，欢迎试用

最近实时卫星云图，公众号开发了一款电脑桌面壁纸实时卫星云图，基于韩国的静止卫星Geo-KOMPSAT-2A，实时更新。

在后台回复关键词 “GK-2A”，即可获得 GK-2A云图壁纸-第一版。

GK-2A官方主页：

Geo-KOMPSAT-

效果图（白天：RGBTrue，晚上：增强红外）

实时卫星云图_台风卫星实时云图_中央气象台卫星实时云图

台风卫星实时云图_中央气象台卫星实时云图_实时卫星云图

以下为python脚本，欢迎各路大神指点和修改。

import os,timefrom datetime import datetime, timedeltaimport urllib.requestimport loggingimport win32api,win32con,win32gui
root_path = f'{os.path.dirname(os.path.realpath(__file__))}'
def set_log(logfile= os.path.join(root_path,'log.txt')):    logger = logging.getLogger()    logger.setLevel(logging.INFO)    fh = logging.FileHandler(logfile, mode='a')
    formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')    fh.setFormatter(formatter)    logger.addHandler(fh)    return logger
def ceil_dt(dt, delta):    return dt + (datetime.min - dt) % delta
class gk2awalls(object):    """    rule of basic images:
    full disk:        RGB TRUE:            https://nmsc.kma.go.kr/IMG/GK2A/AMI/PRIMARY/L1B/COMPLETE/FD/202010/30/06/gk2a_ami_le1b_rgb-true_fd010ge_202010300610.srv.png        enhanced IR 10.5um:            https://nmsc.kma.go.kr/IMG/GK2A/AMI/PRIMARY/L1B/COMPLETE/FD/202010/30/06/gk2a_ami_le1b_enhc-color-ir105_fd020ge_202010300640.srv.png
    East Asia:        RGB TRUE:        RGB NATURAL        RGB DAYNIGHT:            https://nmsc.kma.go.kr/IMG/GK2A/AMI/PRIMARY/L1B/COMPLETE/EA/202011/02/07/gk2a_ami_le1b_rgb-daynight_ea020lc_202011020740.srv.png    """    def __init__(self, time_utc, gk2a_type):        self.time_utc = time_utc        self.type     = gk2a_type # 'enhc-color-ir105_fd020ge'        self.status   = False        self.remote_path = 'https://nmsc.kma.go.kr/IMG/GK2A/AMI/PRIMARY/L1B/COMPLETE/EA/' +             self.time_utc.strftime('%Y%m') + '/' + self.time_utc.strftime('%d') +'/'+ self.time_utc.strftime('%H') + '/' +             'gk2a_ami_le1b_{}_{}.srv.png'.format(self.type, self.time_utc.strftime('%Y%m%d%H%M'))        self.local_path  = os.path.join(root_path,'images',            self.time_utc.strftime('%Y%m'), self.time_utc.strftime('%d'), self.time_utc.strftime('%H'),            'gk2a_ami_le1b_{}_{}.srv.png'.format(self.type, self.time_utc.strftime('%Y%m%d%H%M')))
        self._check_is_get()        if os.path.exists(self.local_path) and os.path.getsize(self.local_path) > 10000:            self.status = True            self._set_wallpaper()
    def _check_is_get(self):        with urllib.request.urlopen(self.remote_path) as res:            info = res.info()            if info.get('Content-Type') == 'image/png':                 logger.info(f'remote found {self.remote_path}')                if os.path.exists(self.local_path):                    if float(info.get("Content-length")) == os.path.getsize(self.local_path):                        logger.info(f'Already downloaded of {self.local_path}')                    else:                        self._get_png(res.read(), self.local_path)                else:                    self._get_png(res.read(), self.local_path)            else:                logger.warning(f'not found {self.remote_path}') 
    @staticmethod    def _get_png(data, local_path):        if not os.path.exists(os.path.dirname(local_path)): os.makedirs(os.path.dirname(local_path))        with open(local_path, 'wb') as f:            f.write(data)            logger.info(f'Download Success of {local_path}')        return
    def _set_wallpaper(self, loc=6):        key = win32api.RegOpenKeyEx(win32con.HKEY_CURRENT_USER,"Control Panel\Desktop",0,win32con.KEY_SET_VALUE)        win32api.RegSetValueEx(key, "WallpaperStyle", 6, win32con.REG_SZ, "6")         win32api.RegSetValueEx(key, "TileWallpaper", 0, win32con.REG_SZ, "0")        win32gui.SystemParametersInfo(win32con.SPI_SETDESKWALLPAPER, self.local_path, win32con.SPIF_SENDWININICHANGE)        logger.info(f'Set {self.local_path}')        return
if __name__ == "__main__":    '''    This code set GK2A satellite basic image as wallpaper    '''    logger = set_log()
    # enhance IR 10.5    gk2a_type = 'rgb-daynight_ea020lc'    while True:        time_now = datetime.utcnow()        time_now = ceil_dt(time_now, timedelta(minutes=10))        # check 1hour ago        for imn in range(0,60,10):            time_r = time_now - timedelta(minutes=imn)            if float(time_r.strftime('%H')) >= 0 and  float(time_r.strftime('%H')) <= 7:                gk2a_type = 'rgb-true_ea010lc'            else:                gk2a_type = 'enhc-color-ir105_ea020lc'            gk2a_d = gk2awalls(time_r, gk2a_type)            if gk2a_d.status: break
        time.sleep(60*5) # sleep 5 minutes