def download(self, scenes):
"""Download Function from Google Storage
Args:
SceneID {data_tye: List}
Retruns:
Tarred landsat data files
"""
self.google = landsat.settings.GOOGLE_STORAGE
# Check for the validity of SceneID
for scene in scenes:
# An empty list in accordance to landsat unique ID
scene_anatomy = {
'path': None,
'row': None,
'sat': None,
'scene': scene
}
if isinstance(scene, str) and len(scene) == 21:
scene_anatomy['path'] = scene[3:6]
scene_anatomy['row'] = scene[6:9]
scene_anatomy['sat'] = 'L' + scene[2:3]
else:
raise IncorrectSceneId('Bad List')
# Create a folder to download tarred landsat Scenes
path = check_create_folder(self.download_dir)
filename = scene + '.tar.bz'
print path
print scene_anatomy
# Builds the URL to a google storage file
url = url_builder([self.google,scene_anatomy['sat'], scene_anatomy['path'], scene_anatomy['row'],filename])
print url
# Downloads and save at the location defined under path
fetch(url,path)
return path
def test_check_create_folder(self):
new_path = utils.check_create_folder(self.temp_folder_test)
self.assertEqual(new_path, self.temp_folder_test)
def test_check_create_folder(self):
new_path = utils.check_create_folder(self.temp_folder_test)
self.assertEqual(new_path, self.temp_folder_test)