def download_object(self, dest, config=None, **kwargs):
"""
Downloads a file from S3 to a destination file.
Args:
dest (str): The destination path to download file to.
Notes:
- The destination directory will be created automatically if it doesn't exist.
- This method downloads to paths relative to the current
directory.
"""
result = {'source': self, 'dest': dest, 'success': True}
if utils.has_trailing_slash(self):
# Handle directory markers separately
utils.make_dest_dir(str(dest))
return result
dl_kwargs = {
'bucket': self.bucket,
'key': str(self.resource),
'filename': str(dest),
'config': config
}
utils.make_dest_dir(self.parts_class(dest).parent)
try:
self._make_s3_transfer('download_file', **dl_kwargs)
except exceptions.RemoteError as e:
result['success'] = False
result['error'] = e
return result
def test_make_dest_dir_w_oserror(self):
with utils.NamedTemporaryDirectory() as tmp_d:
test_file = os.path.join(tmp_d, 'test_file')
open(test_file, 'w').close()
with self.assertRaisesRegexp(OSError, 'File exists'):
utils.make_dest_dir(test_file)
self.assertFalse(os.path.isdir(test_file))
def test_make_dest_dir_w_enotdir_error(self):
with utils.NamedTemporaryDirectory() as tmp_d:
test_file = os.path.join(tmp_d, 'test_file')
open(test_file, 'w').close()
with self.assertRaisesRegexp(OSError,
'already exists as a file') as exc:
new_dir = os.path.join(test_file, 'test')
utils.make_dest_dir(new_dir)
self.assertEquals(exc.exception.errno, errno.ENOTDIR)
self.assertFalse(os.path.isdir(new_dir))
def test_make_dest_dir_existing(self):
with utils.NamedTemporaryDirectory() as tmp_d:
dest_dir = os.path.join(tmp_d, 'test')
os.mkdir(dest_dir)
utils.make_dest_dir(dest_dir)
self.assertTrue(os.path.isdir(dest_dir))