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eriscripts2.py
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# This Python file uses the following encoding: utf-8
from multiprocessing import Pool
from threading import Thread
from ecmwfapi import ECMWFDataServer
from time import time
import datetime
import calendar
import os
#https://blog.csdn.net/seetheworld518/article/details/49639651
def downloadonefile(riqi):
ts = time()
print(riqi)
return
filename="/mnt/HD/HD_a2/Public/ERA-Interim/SURF/u10/u10."+riqi+".grb"
if(os.path.isfile(filename)): #如果存在文件名则返回
print("ok",filename)
else:
server = ECMWFDataServer()
server.retrieve({
"class": "ei",
"dataset": "interim",
"date": riqi,
"expver": "1",
"grid": "0.75/0.75",
"levtype": "sfc",
"param": "165.128", #u10
"step": "0",
"stream": "oper",
"time": "00:00:00/06:00:00/12:00:00/18:00:00",
"type": "an",
"target": filename,
})
filename="/mnt/HD/HD_a2/Public/ERA-Interim/SURF/v10/v10."+riqi+".grb"
if(os.path.isfile(filename)): #如果存在文件名则返回
print("ok",filename)
else:
server = ECMWFDataServer()
server.retrieve({
"class": "ei",
"dataset": "interim",
"date": riqi,
"expver": "1",
"grid": "0.75/0.75",
"levtype": "sfc",
"param": "166.128", #v10
"step": "0",
"stream": "oper",
"time": "00:00:00/06:00:00/12:00:00/18:00:00",
"type": "an",
"target": filename,
})
filename="/mnt/HD/HD_a2/Public/ERA-Interim/SURF/2t/2t."+riqi+".grb"
if(os.path.isfile(filename)): #如果存在文件名则返回
print("ok",filename)
else:
server = ECMWFDataServer()
server.retrieve({
"class": "ei",
"dataset": "interim",
"date": riqi,
"expver": "1",
"grid": "0.75/0.75",
"levelist": "1000/975/950/925/900/875/850/825/800/775/750/700/650/600/550/500/450/400/350/300/250/225/200/175/150/125/100/70",
"levtype": "sfc",
"param": "167.128", #2m气温
"step": "0",
"stream": "oper",
"time": "00:00:00/06:00:00/12:00:00/18:00:00",
"type": "an",
"target": filename,
})
filename="/mnt/HD/HD_a2/Public/ERA-Interim/SURF/sst/sst."+riqi+".grb"
if(os.path.isfile(filename)): #如果存在文件名则返回
print("ok",filename)
else:
server = ECMWFDataServer()
server.retrieve({
"class": "ei",
"dataset": "interim",
"date": riqi,
"expver": "1",
"grid": "0.75/0.75",
"levtype": "sfc",
"param": "34.128", #sst
"step": "0",
"stream": "oper",
"time": "00:00:00/06:00:00/12:00:00/18:00:00",
"type": "an",
"target": filename,
})
filename="/mnt/HD/HD_a2/Public/ERA-Interim/SURF/sp/sp."+riqi+".grb"
if(os.path.isfile(filename)): #如果存在文件名则返回
print("ok",filename)
else:
server = ECMWFDataServer()
server.retrieve({
"class": "ei",
"dataset": "interim",
"date": riqi,
"expver": "1",
"grid": "0.75/0.75",
"levelist": "1000/975/950/925/900/875/850/825/800/775/750/700/650/600/550/500/450/400/350/300/250/225/200/175/150/125/100/70",
"levtype": "sfc",
"param": "134.128", #Surface pressure
"step": "0",
"stream": "oper",
"time": "00:00:00/06:00:00/12:00:00/18:00:00",
"type": "an",
"target": filename,
})
filename="/mnt/HD/HD_a2/Public/ERA-Interim/SURF/mslp/mslp."+riqi+".grb"
if(os.path.isfile(filename)): #如果存在文件名则返回
print("ok",filename)
else:
server = ECMWFDataServer()
server.retrieve({
"class": "ei",
"dataset": "interim",
"date": riqi,
"expver": "1",
"grid": "0.75/0.75",
"levtype": "sfc",
"param": "151.128", #mslp
"step": "0",
"stream": "oper",
"time": "00:00:00/06:00:00/12:00:00/18:00:00",
"type": "an",
"target": filename,
})
filename="/mnt/HD/HD_a2/Public/ERA-Interim/SURF/tcw/tcw."+riqi+".grb"
if(os.path.isfile(filename)): #如果存在文件名则返回
print("ok",filename)
else:
server = ECMWFDataServer()
server.retrieve({
"class": "ei",
"dataset": "interim",
"date": riqi,
"expver": "1",
"grid": "0.75/0.75",
"levtype": "sfc",
"param": "136.128", #tcw
"step": "0",
"stream": "oper",
"time": "00:00:00/06:00:00/12:00:00/18:00:00",
"type": "an",
"target": filename,
})
filename="/mnt/HD/HD_a2/Public/ERA-Interim/SURF/tcwv/tcwv."+riqi+".grb"
if(os.path.isfile(filename)): #如果存在文件名则返回
print("ok",filename)
else:
server = ECMWFDataServer()
server.retrieve({
"class": "ei",
"dataset": "interim",
"date": riqi,
"expver": "1",
"grid": "0.75/0.75",
"levtype": "sfc",
"param": "137.128", #tcwv
"step": "0",
"stream": "oper",
"time": "00:00:00/06:00:00/12:00:00/18:00:00",
"type": "an",
"target": filename,
})
filename="/mnt/HD/HD_a2/Public/ERA-Interim/SURF/cape/cape."+riqi+".grb"
if(os.path.isfile(filename)): #如果存在文件名则返回
print("ok",filename)
else:
server = ECMWFDataServer()
server.retrieve({
"class": "ei",
"dataset": "interim",
"date": riqi,
"expver": "1",
"grid": "0.75/0.75",
"levtype": "sfc",
"param": "59.128", #cape
"step": "3/6/9/12",
"stream": "oper",
"time": "00:00:00/12:00:00",
"type": "fc",
"target": filename,
})
#主程序
def main():
#起始时间
ts = time()
nowyear=datetime.datetime.now().year
nowmonth=datetime.datetime.now().month
nowfirstdaymonth=datetime.date(nowyear,nowmonth,1) #本月1号
## print(nowfirstdaymonth)
pretime=nowfirstdaymonth-datetime.timedelta(days=70)#大约调到三个月前
preyear=pretime.year
premonth=pretime.month
## print (pretime)
premonthrange=calendar.monthrange(preyear,premonth)[1] #返回该月一共多少天
#起始日期
begin = datetime.date(preyear,premonth,1)
end = datetime.date(preyear,premonth,premonthrange)
d=begin
delta = datetime.timedelta(days=1)
#建立下载日期序列
links = []
while d <= end:
riqi=d.strftime("%Y%m%d")
links.append(str(riqi))
d += delta
pool = Pool(5) # 创建拥有5个进程数量的进程池
rl=pool.map(downloadonefile,links)
pool.close()#关闭进程池，不再接受新的进程
pool.join()#主进程阻塞等待子进程的退出
print('Took {}'.format(time() - ts))
if __name__ == '__main__':
main()