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# -------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for
# license information.
# --------------------------------------------------------------------------
import logging
from typing import ( # pylint: disable=unused-import
TYPE_CHECKING
)
from xml.etree.ElementTree import Element
from azure.core.pipeline.policies import ContentDecodePolicy
from azure.core.exceptions import HttpResponseError, DecodeError, ResourceModifiedError, ClientAuthenticationError, \
ResourceNotFoundError, ResourceExistsError
from ._models import FileProperties, DirectoryProperties, LeaseProperties, DeletedPathProperties, StaticWebsite, \
RetentionPolicy, Metrics, AnalyticsLogging, PathProperties # pylint: disable=protected-access
from ._shared.models import StorageErrorCode
if TYPE_CHECKING:
pass
_LOGGER = logging.getLogger(__name__)
def deserialize_dir_properties(response, obj, headers):
metadata = deserialize_metadata(response, obj, headers)
dir_properties = DirectoryProperties(
metadata=metadata,
**headers
)
return dir_properties
def deserialize_file_properties(response, obj, headers):
metadata = deserialize_metadata(response, obj, headers)
file_properties = FileProperties(
metadata=metadata,
**headers
)
if 'Content-Range' in headers:
if 'x-ms-blob-content-md5' in headers:
file_properties.content_settings.content_md5 = headers['x-ms-blob-content-md5']
else:
file_properties.content_settings.content_md5 = None
return file_properties
def deserialize_path_properties(path_list):
return [PathProperties._from_generated(path) for path in path_list] # pylint: disable=protected-access
def return_headers_and_deserialized_path_list(response, deserialized, response_headers): # pylint: disable=unused-argument
return deserialized.paths if deserialized.paths else {}, normalize_headers(response_headers)
def get_deleted_path_properties_from_generated_code(generated):
deleted_path = DeletedPathProperties()
deleted_path.name = generated.name
deleted_path.deleted_time = generated.properties.deleted_time
deleted_path.remaining_retention_days = generated.properties.remaining_retention_days
deleted_path.deletion_id = generated.deletion_id
return deleted_path
def is_file_path(_, __, headers):
if headers['x-ms-resource-type'] == "file":
return True
return False
def get_datalake_service_properties(datalake_properties):
datalake_properties["analytics_logging"] = AnalyticsLogging._from_generated( # pylint: disable=protected-access
datalake_properties["analytics_logging"])
datalake_properties["hour_metrics"] = Metrics._from_generated(datalake_properties["hour_metrics"]) # pylint: disable=protected-access
datalake_properties["minute_metrics"] = Metrics._from_generated( # pylint: disable=protected-access
datalake_properties["minute_metrics"])
datalake_properties["delete_retention_policy"] = RetentionPolicy._from_generated( # pylint: disable=protected-access
datalake_properties["delete_retention_policy"])
datalake_properties["static_website"] = StaticWebsite._from_generated( # pylint: disable=protected-access
datalake_properties["static_website"])
return datalake_properties
def from_blob_properties(blob_properties):
file_props = FileProperties()
file_props.name = blob_properties.name
file_props.etag = blob_properties.etag
file_props.deleted = blob_properties.deleted
file_props.metadata = blob_properties.metadata
file_props.lease = blob_properties.lease
file_props.lease.__class__ = LeaseProperties
file_props.last_modified = blob_properties.last_modified
file_props.creation_time = blob_properties.creation_time
file_props.size = blob_properties.size
file_props.deleted_time = blob_properties.deleted_time
file_props.remaining_retention_days = blob_properties.remaining_retention_days
file_props.content_settings = blob_properties.content_settings
return file_props
def normalize_headers(headers):
normalized = {}
for key, value in headers.items():
if key.startswith('x-ms-'):
key = key[5:]
normalized[key.lower().replace('-', '_')] = value
return normalized
def deserialize_metadata(response, obj, headers): # pylint: disable=unused-argument
try:
raw_metadata = {k: v for k, v in response.http_response.headers.items() if k.startswith("x-ms-meta-")}
except AttributeError:
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 process_storage_error(storage_error): # pylint:disable=too-many-statements
raise_error = HttpResponseError
serialized = False
if not storage_error.response:
raise storage_error
# If it is one of those three then it has been serialized prior by the generated layer.
if isinstance(storage_error, (ResourceNotFoundError, ClientAuthenticationError, ResourceExistsError)):
serialized = True
error_code = storage_error.response.headers.get('x-ms-error-code')
error_message = storage_error.message
additional_data = {}
error_dict = {}
try:
error_body = ContentDecodePolicy.deserialize_from_http_generics(storage_error.response)
# If it is an XML response
if isinstance(error_body, Element):
error_dict = {
child.tag.lower(): child.text
for child in error_body
}
# If it is a JSON response
elif isinstance(error_body, dict):
error_dict = error_body.get('error', {})
elif not error_code:
_LOGGER.warning(
'Unexpected return type % from ContentDecodePolicy.deserialize_from_http_generics.', type(error_body))
error_dict = {'message': str(error_body)}
# If we extracted from a Json or XML response
if error_dict:
error_code = error_dict.get('code')
error_message = error_dict.get('message')
additional_data = {k: v for k, v in error_dict.items() if k not in {'code', 'message'}}
except DecodeError:
pass
try:
# This check would be unnecessary if we have already serialized the error.
if error_code and not serialized:
error_code = StorageErrorCode(error_code)
if error_code in [StorageErrorCode.condition_not_met]:
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.invalid_property_name,
StorageErrorCode.invalid_source_uri,
StorageErrorCode.source_path_not_found,
StorageErrorCode.lease_name_mismatch,
StorageErrorCode.file_system_not_found,
StorageErrorCode.path_not_found,
StorageErrorCode.parent_not_found,
StorageErrorCode.invalid_destination_path,
StorageErrorCode.invalid_rename_source_path,
StorageErrorCode.lease_is_already_broken,
StorageErrorCode.invalid_source_or_destination_resource_type,
StorageErrorCode.rename_destination_parent_path_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.source_path_is_being_deleted,
StorageErrorCode.path_already_exists,
StorageErrorCode.destination_path_is_being_deleted,
StorageErrorCode.file_system_already_exists,
StorageErrorCode.file_system_being_deleted,
StorageErrorCode.path_conflict]:
raise_error = ResourceExistsError
except ValueError:
# Got an unknown error code
pass
# Error message should include all the error properties
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)
# No need to create an instance if it has already been serialized by the generated layer
if serialized:
storage_error.message = error_message
error = storage_error
else:
error = raise_error(message=error_message, response=storage_error.response)
# Ensure these properties are stored in the error instance as well (not just the error message)
error.error_code = error_code
error.additional_info = additional_data
# error.args is what's surfaced on the traceback - show error message in all cases
error.args = (error.message,)
try:
# `from None` prevents us from double printing the exception (suppresses generated layer error context)
exec("raise error from None") # pylint: disable=exec-used # nosec
except SyntaxError:
raise error
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