def down(self, outdir):
"""下载"""
cloudC_dict = self.getCloudCover()
if cloudC_dict is not None:
for prod in cloudC_dict:
if float(cloudC_dict[prod]) > self.max_cloud_cover:
print("云量大于{} \n".format(self.max_cloud_cover))
return
else:
# download
if not os.path.isdir(outdir):
print("目标目录不存在，创建")
os.mkdir(outdir)
url_dict = self.getDownloadUrl()
url = url_dict[prod]
print(" download url: {} \n".format(url))
if Downloader_peps.username is None \
or Downloader_peps.password is None:
self.set_username_and_pass()
request = self.construct_request(url,
Downloader_peps.username,
Downloader_peps.password)
download_one_by_urllib_basic(
request, os.path.join(outdir, prod, prod + '.zip'))
def query_by_name(self):
""" 简单地根据产品名称查询哨兵2数据，查询结果以xml格式存储"""
queryfiles = []
peps_down_url_dict = self.getDownloadUrl()
if peps_down_url_dict is not None:
cc = 0
for prod in peps_down_url_dict:
query_url = (self.scihub_query_baseUrl +
"filename:{}*".format(prod))
# wget --no-check-certificate --user=scihub_user
# --password=scihub_pass
# --output-document=query_results.txt query_url
query_request = self.construct_request(query_url,
self.scihub_user,
self.scihub_pass)
out_xml = os.path.join(tempfile.gettempdir(),
'query' + str(cc) + '.xml')
cc += 1
download_one_by_urllib_basic(query_request, out_xml)
queryfiles.append(out_xml)
return queryfiles
else:
return None
def down(self, outDir):
"""Download"""
dlist = self.getDownloadUrls_code_de()
if dlist is not None:
for url in dlist:
print("download url: {} \n".format(url))
request = self.construct_request(url, self.code_de_user,
self.code_de_pass)
download_one_by_urllib_basic(
request, os.path.join(outDir,
url.split('/')[-1]))
def queryOneTile(tile, date, search_result_json):
"""查询数据（返回json结果）
"""
user_agent = ("Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/"
"537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari"
"/537.36")
headers = {"User-Agent": "{0}".format(user_agent)}
search_url = Downloader_peps.get_query_url_S2ST(tile, date)
print("query url: {}\n".format(search_url))
request = construct_request(search_url, headers=headers)
download_one_by_urllib_basic(request, search_result_json)
return search_result_json
