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peps_download.py
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peps_download.py
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#! /usr/bin/env python
# -*- coding: iso-8859-1 -*-
import json
import time
import os, os.path, optparse,sys
from datetime import date
###########################################################################
class OptionParser (optparse.OptionParser):
def check_required (self, opt):
option = self.get_option(opt)
# Assumes the option's 'default' is set to None!
if getattr(self.values, option.dest) is None:
self.error("%s option not supplied" % option)
###########################################################################
def check_rename(tmpfile,options):
with open(tmpfile) as f_tmp:
try:
tmp_data=json.load(f_tmp)
print "Result is a text file (might come from a wrong password file)"
print tmp_data
sys.exit(-1)
except ValueError:
pass
os.rename("%s"%tmpfile,"%s/%s.zip"%(options.write_dir,prod))
print "product saved as : %s/%s.zip"%(options.write_dir,prod)
###########################################################################
def parse_catalog(search_json_file):
# Filter catalog result
with open(search_json_file) as data_file:
data = json.load(data_file)
if 'ErrorCode' in data :
print data['ErrorMessage']
sys.exit(-2)
#Sort data
download_dict={}
storage_dict={}
for i in range(len(data["features"])):
prod =data["features"][i]["properties"]["productIdentifier"]
print prod, data["features"][i]["properties"]["storage"]["mode"]
feature_id=data["features"][i]["id"]
try :
storage =data["features"][i]["properties"]["storage"]["mode"]
platform =data["features"][i]["properties"]["platform"]
#recup du numero d'orbite
orbitN=data["features"][i]["properties"]["orbitNumber"]
if platform=='S1A':
#calcul de l'orbite relative pour Sentinel 1A
relativeOrbit=((orbitN-73)%175)+1
elif platform=='S1B':
#calcul de l'orbite relative pour Sentinel 1B
relativeOrbit=((orbitN-27)%175)+1
#print data["features"][i]["properties"]["productIdentifier"],data["features"][i]["id"],data["features"][i]["properties"]["startDate"],storage
if options.orbit!=None:
if platform.startswith('S2'):
if prod.find("_R%03d"%options.orbit)>0:
download_dict[prod]=feature_id
storage_dict[prod]=storage
elif platform.startswith('S1'):
if relativeOrbit==options.orbit:
download_dict[prod]=feature_id
storage_dict[prod]=storage
else:
download_dict[prod]=feature_id
storage_dict[prod]=storage
except:
pass
return(prod,download_dict,storage_dict)
########################################################################### MAIN
#==================
#parse command line
#==================
if len(sys.argv) == 1:
prog = os.path.basename(sys.argv[0])
print ' '+sys.argv[0]+' [options]'
print " Aide : ", prog, " --help"
print " ou : ", prog, " -h"
print "example 1 : python %s -l 'Toulouse' -a peps.txt -d 2016-12-06 -f 2017-02-01 -c S2ST" %sys.argv[0]
print "example 2 : python %s --lon 1 --lat 44 -a peps.txt -d 2015-11-01 -f 2015-12-01 -c S2"%sys.argv[0]
print "example 3 : python %s --lonmin 1 --lonmax 2 --latmin 43 --latmax 44 -a peps.txt -d 2015-11-01 -f 2015-12-01 -c S2"%sys.argv[0]
print "example 4 : python %s -l 'Toulouse' -a peps.txt -c SpotWorldHeritage -p SPOT4 -d 2005-11-01 -f 2006-12-01"%sys.argv[0]
print "example 5 : python %s -c S1 -p GRD -l 'Toulouse' -a peps.txt -d 2015-11-01 -f 2015-12-01"%sys.argv[0]
sys.exit(-1)
else :
usage = "usage: %prog [options] "
parser = OptionParser(usage=usage)
parser.add_option("-l","--location", dest="location", action="store", type="string", \
help="town name (pick one which is not too frequent to avoid confusions)",default=None)
parser.add_option("-a","--auth", dest="auth", action="store", type="string", \
help="Peps account and password file")
parser.add_option("-w","--write_dir", dest="write_dir", action="store",type="string", \
help="Path where the products should be downloaded",default='.')
parser.add_option("-c","--collection", dest="collection", action="store", type="choice", \
help="Collection within theia collections",choices=['S1','S2','S2ST','S3'],default='S2')
parser.add_option("-p","--product_type", dest="product_type", action="store", type="string", \
help="GRD, SLC, OCN (for S1) | S2MSI1C S2MSI2Ap (for S2)",default="")
parser.add_option("-m","--sensor_mode", dest="sensor_mode", action="store", type="string", \
help="EW, IW , SM, WV (for S1) | INS-NOBS, INS-RAW (for S2)",default="")
parser.add_option("-n","--no_download", dest="no_download", action="store_true", \
help="Do not download products, just print curl command",default=False)
parser.add_option("-d", "--start_date", dest="start_date", action="store", type="string", \
help="start date, fmt('2015-12-22')",default=None)
parser.add_option("--lat", dest="lat", action="store", type="float", \
help="latitude in decimal degrees",default=None)
parser.add_option("--lon", dest="lon", action="store", type="float", \
help="longitude in decimal degrees",default=None)
parser.add_option("--latmin", dest="latmin", action="store", type="float", \
help="min latitude in decimal degrees",default=None)
parser.add_option("--latmax", dest="latmax", action="store", type="float", \
help="max latitude in decimal degrees",default=None)
parser.add_option("--lonmin", dest="lonmin", action="store", type="float", \
help="min longitude in decimal degrees",default=None)
parser.add_option("--lonmax", dest="lonmax", action="store", type="float", \
help="max longitude in decimal degrees",default=None)
parser.add_option("-o","--orbit", dest="orbit", action="store", type="int", \
help="Orbit Path number",default=None)
parser.add_option("-f","--end_date", dest="end_date", action="store", type="string", \
help="end date, fmt('2015-12-23')",default=None)
parser.add_option("--json", dest="search_json_file", action="store", type="string", \
help="Output search JSON filename", default=None)
(options, args) = parser.parse_args()
if options.search_json_file==None or options.search_json_file=="":
options.search_json_file='search.json'
if options.location==None:
if options.lat==None or options.lon==None:
if options.latmin==None or options.lonmin==None or options.latmax==None or options.lonmax==None:
print "provide at least a point or rectangle"
sys.exit(-1)
else:
geom='rectangle'
else:
if options.latmin==None and options.lonmin==None and options.latmax==None and options.lonmax==None:
geom='point'
else:
print "please choose between point and rectangle, but not both"
sys.exit(-1)
else :
if options.latmin==None and options.lonmin==None and options.latmax==None and options.lonmax==None and options.lat==None or options.lon==None:
geom='location'
else :
print "please choose location and coordinates, but not both"
sys.exit(-1)
# geometric parameters of catalog request
if geom=='point':
query_geom='lat=%f\&lon=%f'%(options.lat,options.lon)
elif geom=='rectangle':
query_geom='box={lonmin},{latmin},{lonmax},{latmax}'.format(latmin=options.latmin,latmax=options.latmax,lonmin=options.lonmin,lonmax=options.lonmax)
elif geom=='location':
query_geom="q=%s"%options.location
# date parameters of catalog request
if options.start_date!=None:
start_date=options.start_date
if options.end_date!=None:
end_date=options.end_date
else:
end_date=date.today().isoformat()
# special case for Sentinel-2
if options.collection=='S2':
if options.start_date>= '2016-12-05':
print "**** products after '2016-12-05' are stored in Tiled products collection"
print "**** please use option -c S2ST"
time.sleep(5)
elif options.end_date>= '2016-12-05':
print "**** products after '2016-12-05' are stored in Tiled products collection"
print "**** please use option -c S2ST to get the products after that date"
print "**** products before that date will be downloaded"
time.sleep(5)
if options.collection=='S2ST':
if options.end_date< '2016-12-05':
print "**** products before '2016-12-05' are stored in non-tiled products collection"
print "**** please use option -c S2"
time.sleep(5)
elif options.start_date< '2016-12-05':
print "**** products before '2016-12-05' are stored in non-tiled products collection"
print "**** please use option -c S2 to get the products before that date"
print "**** products after that date will be downloaded"
time.sleep(5)
#====================
# read authentification file
#====================
try:
f=file(options.auth)
(email,passwd)=f.readline().split(' ')
if passwd.endswith('\n'):
passwd=passwd[:-1]
f.close()
except :
print "error with password file"
sys.exit(-2)
if os.path.exists(options.search_json_file):
os.remove(options.search_json_file)
#====================
# search in catalog
#====================
if (options.product_type=="") and (options.sensor_mode=="") :
search_catalog='curl -k -o %s https://peps.cnes.fr/resto/api/collections/%s/search.json?%s\&startDate=%s\&completionDate=%s\&maxRecords=500'%(options.search_json_file,options.collection,query_geom,start_date,end_date)
else :
search_catalog='curl -k -o %s https://peps.cnes.fr/resto/api/collections/%s/search.json?%s\&startDate=%s\&completionDate=%s\&maxRecords=500\&productType=%s\&sensorMode=%s'%(options.search_json_file,options.collection,query_geom,start_date,end_date,options.product_type,options.sensor_mode)
print search_catalog
os.system(search_catalog)
time.sleep(5)
prod,download_dict,storage_dict=parse_catalog(options.search_json_file)
#====================
# Download
#====================
if len(download_dict)==0:
print "No product matches the criteria"
else:
# first try for the products on tape
if options.write_dir==None :
options.write_dir=os.getcwd()
for prod in download_dict.keys():
file_exists= os.path.exists(("%s/%s.SAFE")%(options.write_dir,prod)) or os.path.exists(("%s/%s.zip")%(options.write_dir,prod))
if (not(options.no_download) and not(file_exists)):
if storage_dict[prod]=="tape":
tmticks=time.time()
tmpfile=("%s/tmp_%s.tmp")%(options.write_dir,tmticks)
print "\nStage tape product: %s"%prod
get_product='curl -o %s -k -u %s:%s https://peps.cnes.fr/resto/collections/%s/%s/download/?issuerId=peps &>/dev/null'%(tmpfile,email,passwd,options.collection,download_dict[prod])
os.system(get_product)
NbProdsToDownload=len(download_dict.keys())
print "##########################"
print "%d products to download"% NbProdsToDownload
print "##########################"
while (NbProdsToDownload >0):
# redo catalog search to update disk/tape status
if (options.product_type=="") and (options.sensor_mode=="") :
search_catalog='curl -k -o %s https://peps.cnes.fr/resto/api/collections/%s/search.json?%s\&startDate=%s\&completionDate=%s\&maxRecords=500'%(options.search_json_file,options.collection,query_geom,start_date,end_date)
else :
search_catalog='curl -k -o %s https://peps.cnes.fr/resto/api/collections/%s/search.json?%s\&startDate=%s\&completionDate=%s\&maxRecords=500\&productType=%s\&sensorMode=%s'%(options.search_json_file,options.collection,query_geom,start_date,end_date,options.product_type,options.sensor_mode)
os.system(search_catalog)
time.sleep(2)
prod,download_dict,storage_dict=parse_catalog(options.search_json_file)
NbProdsToDownload=0
#download all products on disk
for prod in download_dict.keys():
file_exists= os.path.exists(("%s/%s.SAFE")%(options.write_dir,prod)) or os.path.exists(("%s/%s.zip")%(options.write_dir,prod))
if (not(options.no_download) and not(file_exists)):
if storage_dict[prod]=="disk":
tmticks=time.time()
tmpfile=("%s/tmp_%s.tmp")%(options.write_dir,tmticks)
print "\nDownload of product : %s"%prod
get_product='curl -o %s -k -u %s:%s https://peps.cnes.fr/resto/collections/%s/%s/download/?issuerId=peps'%(tmpfile,email,passwd,options.collection,download_dict[prod])
print get_product
os.system(get_product)
#check binary product, rename tmp file
if not os.path.exists(("%s/tmp_%s.tmp")%(options.write_dir,tmticks)):
NbProdsToDownload+=1
else:
check_rename(tmpfile,options)
elif file_exists:
print "%s already exists"%prod
# download all products on tape
for prod in download_dict.keys():
file_exists= os.path.exists(("%s/%s.SAFE")%(options.write_dir,prod)) or os.path.exists(("%s/%s.zip")%(options.write_dir,prod))
if (not(options.no_download) and not(file_exists)):
if storage_dict[prod]=="tape":
tmticks=time.time()
tmpfile=("%s/tmp_%s.tmp")%(options.write_dir,tmticks)
print "\nDownload of product : %s"%prod
get_product='curl -o %s -k -u %s:%s https://peps.cnes.fr/resto/collections/%s/%s/download/?issuerId=peps'%(tmpfile,email,passwd,options.collection,download_dict[prod])
print get_product
os.system(get_product)
if not os.path.exists(("%s/tmp_%s.tmp")%(options.write_dir,tmticks)):
NbProdsToDownload+=1
else:
check_rename(tmpfile,options)
if NbProdsToDownload>0:
print "##############################################################################"
print "%d remaining products are on tape, lets's wait 2 minutes before trying again"% NbProdsToDownload
print "##############################################################################"
time.sleep(120)