def download(self,
key,
overwrite=False,
filename_template=FILENAME_TEMPLATE,
requester_pays=False,
headers={}):
""" Download this key (e.g., a band, or metadata file) from the scene """
asset = self.asset(key)
if asset is None:
return None
ext = os.path.splitext(asset['href'])[1]
filename = self.get_path(filename_template) + '_' + key + ext
if not os.path.exists(filename) or overwrite:
try:
utils.download_file(asset['href'],
filename=filename,
requester_pays=requester_pays,
headers=headers)
except Exception as e:
filename = None
logger.error('Unable to download %s: %s' %
(asset['href'], str(e)))
logger.debug(traceback.format_exc())
return filename
def download(self,
key,
overwrite=False,
path='',
filename='${id}',
requestor_pays=False):
""" Download this key (e.g., a band, or metadata file) from the scene """
asset = self.asset(key)
if asset is None:
return None
_path = self.substitute(path)
utils.mkdirp(_path)
_filename = None
try:
fname = self.substitute(filename)
ext = os.path.splitext(asset['href'])[1]
fout = os.path.join(_path, fname + '_' + key + ext)
if not os.path.exists(fout) or overwrite:
_filename = utils.download_file(asset['href'],
filename=fout,
requestor_pays=requestor_pays)
else:
_filename = fout
except Exception as e:
_filename = None
logger.error('Unable to download %s: %s' % (asset['href'], str(e)))
logger.debug(traceback.format_exc())
return _filename
def test_download_nosuchfile(self):
with self.assertRaises(Exception):
utils.download_file('http://nosuchfile')