最近，公众号开发了一款电脑桌面壁纸，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：
http://nmsc.kma.go.kr/enhome/html/base/cmm/selectPage.do?page=static.gk2amicro.gk2aMicro
Geo-KOMPSAT-
效果图（白天：RGB True，晚上：增强红外）
以下为python脚本，欢迎各路大神指点和修改。
代码语言：javascript复制import os,time
from datetime import datetime, timedelta
import urllib.request
import logging
import 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
