181 lines
5.3 KiB
Python
181 lines
5.3 KiB
Python
# -*- coding: utf-8 -*-
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# MinIO Python Library for Amazon S3 Compatible Cloud Storage,
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# (C) 2015-2019 MinIO, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# pylint: disable=too-many-lines
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"""
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minio.error
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~~~~~~~~~~~~~~~~~~~
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This module provides custom exception classes for MinIO library
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and API specific errors.
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:copyright: (c) 2015, 2016, 2017 by MinIO, Inc.
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:license: Apache 2.0, see LICENSE for more details.
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"""
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from __future__ import absolute_import, annotations
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from typing import Type, TypeVar
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from xml.etree import ElementTree as ET
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try:
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from urllib3.response import BaseHTTPResponse # type: ignore[attr-defined]
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except ImportError:
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from urllib3.response import HTTPResponse as BaseHTTPResponse
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from .xml import findtext
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class MinioException(Exception):
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"""Base Minio exception."""
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class InvalidResponseError(MinioException):
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"""Raised to indicate that non-xml response from server."""
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def __init__(self, code: int, content_type: str | None, body: str | None):
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self._code = code
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self._content_type = content_type
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self._body = body
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super().__init__(
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f"non-XML response from server; Response code: {code}, "
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f"Content-Type: {content_type}, Body: {body}"
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)
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def __reduce__(self):
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return type(self), (self._code, self._content_type, self._body)
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class ServerError(MinioException):
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"""Raised to indicate that S3 service returning HTTP server error."""
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def __init__(self, message: str, status_code: int):
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self._status_code = status_code
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super().__init__(message)
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@property
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def status_code(self) -> int:
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"""Get HTTP status code."""
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return self._status_code
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A = TypeVar("A", bound="S3Error")
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class S3Error(MinioException):
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"""
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Raised to indicate that error response is received
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when executing S3 operation.
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"""
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def __init__(
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self,
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code: str | None,
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message: str | None,
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resource: str | None,
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request_id: str | None,
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host_id: str | None,
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response: BaseHTTPResponse,
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bucket_name: str | None = None,
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object_name: str | None = None,
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):
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self._code = code
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self._message = message
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self._resource = resource
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self._request_id = request_id
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self._host_id = host_id
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self._response = response
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self._bucket_name = bucket_name
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self._object_name = object_name
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bucket_message = (
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(", bucket_name: " + self._bucket_name)
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if self._bucket_name else ""
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)
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object_message = (
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(", object_name: " + self._object_name)
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if self._object_name else ""
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)
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super().__init__(
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f"S3 operation failed; code: {code}, message: {message}, "
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f"resource: {resource}, request_id: {request_id}, "
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f"host_id: {host_id}{bucket_message}{object_message}"
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)
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def __reduce__(self):
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return type(self), (self._code, self._message, self._resource,
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self._request_id, self._host_id, self._response,
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self._bucket_name, self._object_name)
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@property
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def code(self) -> str | None:
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"""Get S3 error code."""
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return self._code
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@property
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def message(self) -> str | None:
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"""Get S3 error message."""
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return self._message
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@property
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def response(self) -> BaseHTTPResponse:
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"""Get HTTP response."""
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return self._response
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@classmethod
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def fromxml(cls: Type[A], response: BaseHTTPResponse) -> A:
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"""Create new object with values from XML element."""
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element = ET.fromstring(response.data.decode())
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return cls(
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findtext(element, "Code"),
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findtext(element, "Message"),
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findtext(element, "Resource"),
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findtext(element, "RequestId"),
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findtext(element, "HostId"),
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bucket_name=findtext(element, "BucketName"),
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object_name=findtext(element, "Key"),
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response=response,
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)
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def copy(self, code: str, message: str) -> S3Error:
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"""Make a copy with replace code and message."""
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return S3Error(
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code,
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message,
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self._resource,
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self._request_id,
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self._host_id,
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self._response,
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self._bucket_name,
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self._object_name,
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)
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class MinioAdminException(Exception):
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"""Raised to indicate admin API execution error."""
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def __init__(self, code: str, body: str):
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self._code = code
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self._body = body
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super().__init__(
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f"admin request failed; Status: {code}, Body: {body}",
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)
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def __reduce__(self):
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return type(self), (self._code, self._body)
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