def s3errors(path):
"""Translate S3 errors to FSErrors."""
try:
yield
except ClientError as error:
_error = error.response.get('Error', {})
error_code = _error.get('Code', None)
response_meta = error.response.get('ResponseMetadata', {})
http_status = response_meta.get('HTTPStatusCode', 200)
error_msg = _error.get('Message', None)
if error_code == 'NoSuchBucket':
raise errors.ResourceError(path, exc=error, msg=error_msg)
if http_status == 404:
raise errors.ResourceNotFound(path)
elif http_status == 403:
raise errors.PermissionDenied(path=path, msg=error_msg)
else:
raise errors.OperationFailed(path=path, exc=error)
except SSLError as error:
raise errors.OperationFailed(path, exc=error)
except EndpointConnectionError as error:
raise errors.RemoteConnectionError(
path,
exc=error,
msg="{}".format(error)
)
def openbin(self, path, mode="r", buffering=-1, **options):
_mode = Mode(mode)
_mode.validate_bin()
self.check()
_path = self.validatepath(path)
_key = self._path_to_key(_path)
if _mode.appending:
raise errors.ResourceError(path,
msg="append mode is not supported")
if _mode.create:
if self.strict:
try:
dir_path = dirname(_path)
if dir_path != "/":
_dir_key = self._path_to_dir_key(dir_path)
self._get_object(dir_path, _dir_key)
except errors.ResourceNotFound:
raise errors.ResourceNotFound(path)
try:
info = self._getinfo(path)
except errors.ResourceNotFound:
pass
else:
if _mode.exclusive:
raise errors.FileExists(path)
if self.strict and info.is_dir:
raise errors.FileExpected(path)
obj = self.s3.Object(self._bucket_name, _key)
return S3OutputFile(obj, upload_kwargs=self._get_upload_args(_key))
if self.strict:
info = self.getinfo(path)
if info.is_dir:
raise errors.FileExpected(path)
obj = self.s3.Object(self._bucket_name, _key)
return S3InputFile(obj)