Source code for azure.storage.blob._shared.response_handlers

# -------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for
# license information.
# --------------------------------------------------------------------------

from typing import (  # pylint: disable=unused-import
    Union, Optional, Any, Iterable, Dict, List, Type, Tuple,
    TYPE_CHECKING
)
import logging

from azure.core.pipeline.policies import ContentDecodePolicy
from azure.core.exceptions import (
    HttpResponseError,
    ResourceNotFoundError,
    ResourceModifiedError,
    ResourceExistsError,
    ClientAuthenticationError,
    DecodeError)

from .parser import _to_utc_datetime
from .models import StorageErrorCode, UserDelegationKey, get_enum_value


if TYPE_CHECKING:
    from datetime import datetime
    from azure.core.exceptions import AzureError


_LOGGER = logging.getLogger(__name__)


[docs]class PartialBatchErrorException(HttpResponseError): """There is a partial failure in batch operations. :param str message: The message of the exception. :param response: Server response to be deserialized. :param list parts: A list of the parts in multipart response. """ def __init__(self, message, response, parts): self.parts = parts super(PartialBatchErrorException, self).__init__(message=message, response=response)
def parse_length_from_content_range(content_range): ''' Parses the blob length from the content range header: bytes 1-3/65537 ''' if content_range is None: return None # First, split in space and take the second half: '1-3/65537' # Next, split on slash and take the second half: '65537' # Finally, convert to an int: 65537 return int(content_range.split(' ', 1)[1].split('/', 1)[1]) def normalize_headers(headers): normalized = {} for key, value in headers.items(): if key.startswith('x-ms-'): key = key[5:] normalized[key.lower().replace('-', '_')] = get_enum_value(value) return normalized def deserialize_metadata(response, obj, headers): # pylint: disable=unused-argument raw_metadata = {k: v for k, v in response.headers.items() if k.startswith("x-ms-meta-")} return {k[10:]: v for k, v in raw_metadata.items()} def return_response_headers(response, deserialized, response_headers): # pylint: disable=unused-argument return normalize_headers(response_headers) def return_headers_and_deserialized(response, deserialized, response_headers): # pylint: disable=unused-argument return normalize_headers(response_headers), deserialized def return_context_and_deserialized(response, deserialized, response_headers): # pylint: disable=unused-argument return response.location_mode, deserialized def process_storage_error(storage_error): raise_error = HttpResponseError error_code = storage_error.response.headers.get('x-ms-error-code') error_message = storage_error.message additional_data = {} try: error_body = ContentDecodePolicy.deserialize_from_http_generics(storage_error.response) if error_body: for info in error_body.iter(): if info.tag.lower() == 'code': error_code = info.text elif info.tag.lower() == 'message': error_message = info.text else: additional_data[info.tag] = info.text except DecodeError: pass try: if error_code: error_code = StorageErrorCode(error_code) if error_code in [StorageErrorCode.condition_not_met, StorageErrorCode.blob_overwritten]: raise_error = ResourceModifiedError if error_code in [StorageErrorCode.invalid_authentication_info, StorageErrorCode.authentication_failed]: raise_error = ClientAuthenticationError if error_code in [StorageErrorCode.resource_not_found, StorageErrorCode.cannot_verify_copy_source, StorageErrorCode.blob_not_found, StorageErrorCode.queue_not_found, StorageErrorCode.container_not_found, StorageErrorCode.parent_not_found, StorageErrorCode.share_not_found]: raise_error = ResourceNotFoundError if error_code in [StorageErrorCode.account_already_exists, StorageErrorCode.account_being_created, StorageErrorCode.resource_already_exists, StorageErrorCode.resource_type_mismatch, StorageErrorCode.blob_already_exists, StorageErrorCode.queue_already_exists, StorageErrorCode.container_already_exists, StorageErrorCode.container_being_deleted, StorageErrorCode.queue_being_deleted, StorageErrorCode.share_already_exists, StorageErrorCode.share_being_deleted]: raise_error = ResourceExistsError except ValueError: # Got an unknown error code pass try: error_message += "\nErrorCode:{}".format(error_code.value) except AttributeError: error_message += "\nErrorCode:{}".format(error_code) for name, info in additional_data.items(): error_message += "\n{}:{}".format(name, info) error = raise_error(message=error_message, response=storage_error.response) error.error_code = error_code error.additional_info = additional_data raise error def parse_to_internal_user_delegation_key(service_user_delegation_key): internal_user_delegation_key = UserDelegationKey() internal_user_delegation_key.signed_oid = service_user_delegation_key.signed_oid internal_user_delegation_key.signed_tid = service_user_delegation_key.signed_tid internal_user_delegation_key.signed_start = _to_utc_datetime(service_user_delegation_key.signed_start) internal_user_delegation_key.signed_expiry = _to_utc_datetime(service_user_delegation_key.signed_expiry) internal_user_delegation_key.signed_service = service_user_delegation_key.signed_service internal_user_delegation_key.signed_version = service_user_delegation_key.signed_version internal_user_delegation_key.value = service_user_delegation_key.value return internal_user_delegation_key