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+# --------------------------------------------------------------------------
+#
+# Copyright (c) Microsoft Corporation. All rights reserved.
+#
+# The MIT License (MIT)
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the ""Software""), to
+# deal in the Software without restriction, including without limitation the
+# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+# sell copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED *AS IS*, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+# IN THE SOFTWARE.
+#
+# --------------------------------------------------------------------------
+from __future__ import annotations
+import json
+import logging
+import sys
+
+from types import TracebackType
+from typing import (
+ Callable,
+ Any,
+ Optional,
+ Union,
+ Type,
+ List,
+ Mapping,
+ TypeVar,
+ Generic,
+ Dict,
+ NoReturn,
+ TYPE_CHECKING,
+)
+from typing_extensions import Protocol, runtime_checkable
+
+_LOGGER = logging.getLogger(__name__)
+
+if TYPE_CHECKING:
+ from azure.core.pipeline.policies import RequestHistory
+
+HTTPResponseType = TypeVar("HTTPResponseType")
+HTTPRequestType = TypeVar("HTTPRequestType")
+KeyType = TypeVar("KeyType")
+ValueType = TypeVar("ValueType")
+# To replace when typing.Self is available in our baseline
+SelfODataV4Format = TypeVar("SelfODataV4Format", bound="ODataV4Format")
+
+
+__all__ = [
+ "AzureError",
+ "ServiceRequestError",
+ "ServiceResponseError",
+ "HttpResponseError",
+ "DecodeError",
+ "ResourceExistsError",
+ "ResourceNotFoundError",
+ "ClientAuthenticationError",
+ "ResourceModifiedError",
+ "ResourceNotModifiedError",
+ "TooManyRedirectsError",
+ "ODataV4Format",
+ "ODataV4Error",
+ "StreamConsumedError",
+ "StreamClosedError",
+ "ResponseNotReadError",
+ "SerializationError",
+ "DeserializationError",
+]
+
+
+def raise_with_traceback(exception: Callable, *args: Any, message: str = "", **kwargs: Any) -> NoReturn:
+ """Raise exception with a specified traceback.
+ This MUST be called inside a "except" clause.
+
+ .. note:: This method is deprecated since we don't support Python 2 anymore. Use raise/from instead.
+
+ :param Exception exception: Error type to be raised.
+ :param any args: Any additional args to be included with exception.
+ :keyword str message: Message to be associated with the exception. If omitted, defaults to an empty string.
+ """
+ exc_type, exc_value, exc_traceback = sys.exc_info()
+ # If not called inside an "except", exc_type will be None. Assume it will not happen
+ if exc_type is None:
+ raise ValueError("raise_with_traceback can only be used in except clauses")
+ exc_msg = "{}, {}: {}".format(message, exc_type.__name__, exc_value)
+ error = exception(exc_msg, *args, **kwargs)
+ try:
+ raise error.with_traceback(exc_traceback)
+ except AttributeError: # Python 2
+ error.__traceback__ = exc_traceback
+ raise error # pylint: disable=raise-missing-from
+
+
+@runtime_checkable
+class _HttpResponseCommonAPI(Protocol):
+ """Protocol used by exceptions for HTTP response.
+
+ As HttpResponseError uses very few properties of HttpResponse, a protocol
+ is faster and simpler than import all the possible types (at least 6).
+ """
+
+ @property
+ def reason(self) -> Optional[str]: ...
+
+ @property
+ def status_code(self) -> Optional[int]: ...
+
+ def text(self) -> str: ...
+
+ @property
+ def request(self) -> object: # object as type, since all we need is str() on it
+ ...
+
+
+class ErrorMap(Generic[KeyType, ValueType]):
+ """Error Map class. To be used in map_error method, behaves like a dictionary.
+ It returns the error type if it is found in custom_error_map. Or return default_error
+
+ :param dict custom_error_map: User-defined error map, it is used to map status codes to error types.
+ :keyword error default_error: Default error type. It is returned if the status code is not found in custom_error_map
+ """
+
+ def __init__(
+ self, # pylint: disable=unused-argument
+ custom_error_map: Optional[Mapping[KeyType, ValueType]] = None,
+ *,
+ default_error: Optional[ValueType] = None,
+ **kwargs: Any,
+ ) -> None:
+ self._custom_error_map = custom_error_map or {}
+ self._default_error = default_error
+
+ def get(self, key: KeyType) -> Optional[ValueType]:
+ ret = self._custom_error_map.get(key)
+ if ret:
+ return ret
+ return self._default_error
+
+
+def map_error(
+ status_code: int,
+ response: _HttpResponseCommonAPI,
+ error_map: Mapping[int, Type[HttpResponseError]],
+) -> None:
+ if not error_map:
+ return
+ error_type = error_map.get(status_code)
+ if not error_type:
+ return
+ error = error_type(response=response)
+ raise error
+
+
+class ODataV4Format:
+ """Class to describe OData V4 error format.
+
+ http://docs.oasis-open.org/odata/odata-json-format/v4.0/os/odata-json-format-v4.0-os.html#_Toc372793091
+
+ Example of JSON:
+
+ .. code-block:: json
+
+ {
+ "error": {
+ "code": "ValidationError",
+ "message": "One or more fields contain incorrect values: ",
+ "details": [
+ {
+ "code": "ValidationError",
+ "target": "representation",
+ "message": "Parsing error(s): String '' does not match regex pattern '^[^{}/ :]+(?: :\\\\d+)?$'.
+ Path 'host', line 1, position 297."
+ },
+ {
+ "code": "ValidationError",
+ "target": "representation",
+ "message": "Parsing error(s): The input OpenAPI file is not valid for the OpenAPI specificate
+ https: //github.com/OAI/OpenAPI-Specification/blob/master/versions/2.0.md
+ (schema https://github.com/OAI/OpenAPI-Specification/blob/master/schemas/v2.0/schema.json)."
+ }
+ ]
+ }
+ }
+
+ :param dict json_object: A Python dict representing a ODataV4 JSON
+ :ivar str ~.code: Its value is a service-defined error code.
+ This code serves as a sub-status for the HTTP error code specified in the response.
+ :ivar str message: Human-readable, language-dependent representation of the error.
+ :ivar str target: The target of the particular error (for example, the name of the property in error).
+ This field is optional and may be None.
+ :ivar list[ODataV4Format] details: Array of ODataV4Format instances that MUST contain name/value pairs
+ for code and message, and MAY contain a name/value pair for target, as described above.
+ :ivar dict innererror: An object. The contents of this object are service-defined.
+ Usually this object contains information that will help debug the service.
+ """
+
+ CODE_LABEL = "code"
+ MESSAGE_LABEL = "message"
+ TARGET_LABEL = "target"
+ DETAILS_LABEL = "details"
+ INNERERROR_LABEL = "innererror"
+
+ def __init__(self, json_object: Mapping[str, Any]) -> None:
+ if "error" in json_object:
+ json_object = json_object["error"]
+ cls: Type[ODataV4Format] = self.__class__
+
+ # Required fields, but assume they could be missing still to be robust
+ self.code: Optional[str] = json_object.get(cls.CODE_LABEL)
+ self.message: Optional[str] = json_object.get(cls.MESSAGE_LABEL)
+
+ if not (self.code or self.message):
+ raise ValueError("Impossible to extract code/message from received JSON:\n" + json.dumps(json_object))
+
+ # Optional fields
+ self.target: Optional[str] = json_object.get(cls.TARGET_LABEL)
+
+ # details is recursive of this very format
+ self.details: List[ODataV4Format] = []
+ for detail_node in json_object.get(cls.DETAILS_LABEL) or []:
+ try:
+ self.details.append(self.__class__(detail_node))
+ except Exception: # pylint: disable=broad-except
+ pass
+
+ self.innererror: Mapping[str, Any] = json_object.get(cls.INNERERROR_LABEL, {})
+
+ @property
+ def error(self: SelfODataV4Format) -> SelfODataV4Format:
+ import warnings
+
+ warnings.warn(
+ "error.error from azure exceptions is deprecated, just simply use 'error' once",
+ DeprecationWarning,
+ )
+ return self
+
+ def __str__(self) -> str:
+ return "({}) {}\n{}".format(self.code, self.message, self.message_details())
+
+ def message_details(self) -> str:
+ """Return a detailed string of the error.
+
+ :return: A string with the details of the error.
+ :rtype: str
+ """
+ error_str = "Code: {}".format(self.code)
+ error_str += "\nMessage: {}".format(self.message)
+ if self.target:
+ error_str += "\nTarget: {}".format(self.target)
+
+ if self.details:
+ error_str += "\nException Details:"
+ for error_obj in self.details:
+ # Indent for visibility
+ error_str += "\n".join("\t" + s for s in str(error_obj).splitlines())
+
+ if self.innererror:
+ error_str += "\nInner error: {}".format(json.dumps(self.innererror, indent=4))
+ return error_str
+
+
+class AzureError(Exception):
+ """Base exception for all errors.
+
+ :param object message: The message object stringified as 'message' attribute
+ :keyword error: The original exception if any
+ :paramtype error: Exception
+
+ :ivar inner_exception: The exception passed with the 'error' kwarg
+ :vartype inner_exception: Exception
+ :ivar exc_type: The exc_type from sys.exc_info()
+ :ivar exc_value: The exc_value from sys.exc_info()
+ :ivar exc_traceback: The exc_traceback from sys.exc_info()
+ :ivar exc_msg: A string formatting of message parameter, exc_type and exc_value
+ :ivar str message: A stringified version of the message parameter
+ :ivar str continuation_token: A token reference to continue an incomplete operation. This value is optional
+ and will be `None` where continuation is either unavailable or not applicable.
+ """
+
+ def __init__(self, message: Optional[object], *args: Any, **kwargs: Any) -> None:
+ self.inner_exception: Optional[BaseException] = kwargs.get("error")
+
+ exc_info = sys.exc_info()
+ self.exc_type: Optional[Type[Any]] = exc_info[0]
+ self.exc_value: Optional[BaseException] = exc_info[1]
+ self.exc_traceback: Optional[TracebackType] = exc_info[2]
+
+ self.exc_type = self.exc_type if self.exc_type else type(self.inner_exception)
+ self.exc_msg: str = "{}, {}: {}".format(message, self.exc_type.__name__, self.exc_value)
+ self.message: str = str(message)
+ self.continuation_token: Optional[str] = kwargs.get("continuation_token")
+ super(AzureError, self).__init__(self.message, *args)
+
+ def raise_with_traceback(self) -> None:
+ """Raise the exception with the existing traceback.
+
+ .. deprecated:: 1.22.0
+ This method is deprecated as we don't support Python 2 anymore. Use raise/from instead.
+ """
+ try:
+ raise super(AzureError, self).with_traceback(self.exc_traceback)
+ except AttributeError:
+ self.__traceback__: Optional[TracebackType] = self.exc_traceback
+ raise self # pylint: disable=raise-missing-from
+
+
+class ServiceRequestError(AzureError):
+ """An error occurred while attempt to make a request to the service.
+ No request was sent.
+ """
+
+
+class ServiceResponseError(AzureError):
+ """The request was sent, but the client failed to understand the response.
+ The connection may have timed out. These errors can be retried for idempotent or
+ safe operations"""
+
+
+class ServiceRequestTimeoutError(ServiceRequestError):
+ """Error raised when timeout happens"""
+
+
+class ServiceResponseTimeoutError(ServiceResponseError):
+ """Error raised when timeout happens"""
+
+
+class HttpResponseError(AzureError):
+ """A request was made, and a non-success status code was received from the service.
+
+ :param object message: The message object stringified as 'message' attribute
+ :param response: The response that triggered the exception.
+ :type response: ~azure.core.pipeline.transport.HttpResponse or ~azure.core.pipeline.transport.AsyncHttpResponse
+
+ :ivar reason: The HTTP response reason
+ :vartype reason: str
+ :ivar status_code: HttpResponse's status code
+ :vartype status_code: int
+ :ivar response: The response that triggered the exception.
+ :vartype response: ~azure.core.pipeline.transport.HttpResponse or ~azure.core.pipeline.transport.AsyncHttpResponse
+ :ivar model: The request body/response body model
+ :vartype model: ~msrest.serialization.Model
+ :ivar error: The formatted error
+ :vartype error: ODataV4Format
+ """
+
+ def __init__(
+ self,
+ message: Optional[object] = None,
+ response: Optional[_HttpResponseCommonAPI] = None,
+ **kwargs: Any,
+ ) -> None:
+ # Don't want to document this one yet.
+ error_format = kwargs.get("error_format", ODataV4Format)
+
+ self.reason: Optional[str] = None
+ self.status_code: Optional[int] = None
+ self.response: Optional[_HttpResponseCommonAPI] = response
+ if response:
+ self.reason = response.reason
+ self.status_code = response.status_code
+
+ # old autorest are setting "error" before calling __init__, so it might be there already
+ # transferring into self.model
+ model: Optional[Any] = kwargs.pop("model", None)
+ self.model: Optional[Any]
+ if model is not None: # autorest v5
+ self.model = model
+ else: # autorest azure-core, for KV 1.0, Storage 12.0, etc.
+ self.model = getattr(self, "error", None)
+ self.error: Optional[ODataV4Format] = self._parse_odata_body(error_format, response)
+
+ # By priority, message is:
+ # - odatav4 message, OR
+ # - parameter "message", OR
+ # - generic meassage using "reason"
+ if self.error:
+ message = str(self.error)
+ else:
+ message = message or "Operation returned an invalid status '{}'".format(self.reason)
+
+ super(HttpResponseError, self).__init__(message=message, **kwargs)
+
+ @staticmethod
+ def _parse_odata_body(
+ error_format: Type[ODataV4Format], response: Optional[_HttpResponseCommonAPI]
+ ) -> Optional[ODataV4Format]:
+ try:
+ # https://github.com/python/mypy/issues/14743#issuecomment-1664725053
+ odata_json = json.loads(response.text()) # type: ignore
+ return error_format(odata_json)
+ except Exception: # pylint: disable=broad-except
+ # If the body is not JSON valid, just stop now
+ pass
+ return None
+
+ def __str__(self) -> str:
+ retval = super(HttpResponseError, self).__str__()
+ try:
+ # https://github.com/python/mypy/issues/14743#issuecomment-1664725053
+ body = self.response.text() # type: ignore
+ if body and not self.error:
+ return "{}\nContent: {}".format(retval, body)[:2048]
+ except Exception: # pylint: disable=broad-except
+ pass
+ return retval
+
+
+class DecodeError(HttpResponseError):
+ """Error raised during response deserialization."""
+
+
+class IncompleteReadError(DecodeError):
+ """Error raised if peer closes the connection before we have received the complete message body."""
+
+
+class ResourceExistsError(HttpResponseError):
+ """An error response with status code 4xx.
+ This will not be raised directly by the Azure core pipeline."""
+
+
+class ResourceNotFoundError(HttpResponseError):
+ """An error response, typically triggered by a 412 response (for update) or 404 (for get/post)"""
+
+
+class ClientAuthenticationError(HttpResponseError):
+ """An error response with status code 4xx.
+ This will not be raised directly by the Azure core pipeline."""
+
+
+class ResourceModifiedError(HttpResponseError):
+ """An error response with status code 4xx, typically 412 Conflict.
+ This will not be raised directly by the Azure core pipeline."""
+
+
+class ResourceNotModifiedError(HttpResponseError):
+ """An error response with status code 304.
+ This will not be raised directly by the Azure core pipeline."""
+
+
+class TooManyRedirectsError(HttpResponseError, Generic[HTTPRequestType, HTTPResponseType]):
+ """Reached the maximum number of redirect attempts.
+
+ :param history: The history of requests made while trying to fulfill the request.
+ :type history: list[~azure.core.pipeline.policies.RequestHistory]
+ """
+
+ def __init__(
+ self,
+ history: "List[RequestHistory[HTTPRequestType, HTTPResponseType]]",
+ *args: Any,
+ **kwargs: Any,
+ ) -> None:
+ self.history = history
+ message = "Reached maximum redirect attempts."
+ super(TooManyRedirectsError, self).__init__(message, *args, **kwargs)
+
+
+class ODataV4Error(HttpResponseError):
+ """An HTTP response error where the JSON is decoded as OData V4 error format.
+
+ http://docs.oasis-open.org/odata/odata-json-format/v4.0/os/odata-json-format-v4.0-os.html#_Toc372793091
+
+ :param ~azure.core.rest.HttpResponse response: The response object.
+ :ivar dict odata_json: The parsed JSON body as attribute for convenience.
+ :ivar str ~.code: Its value is a service-defined error code.
+ This code serves as a sub-status for the HTTP error code specified in the response.
+ :ivar str message: Human-readable, language-dependent representation of the error.
+ :ivar str target: The target of the particular error (for example, the name of the property in error).
+ This field is optional and may be None.
+ :ivar list[ODataV4Format] details: Array of ODataV4Format instances that MUST contain name/value pairs
+ for code and message, and MAY contain a name/value pair for target, as described above.
+ :ivar dict innererror: An object. The contents of this object are service-defined.
+ Usually this object contains information that will help debug the service.
+ """
+
+ _ERROR_FORMAT = ODataV4Format
+
+ def __init__(self, response: _HttpResponseCommonAPI, **kwargs: Any) -> None:
+ # Ensure field are declared, whatever can happen afterwards
+ self.odata_json: Optional[Dict[str, Any]] = None
+ try:
+ self.odata_json = json.loads(response.text())
+ odata_message = self.odata_json.setdefault("error", {}).get("message")
+ except Exception: # pylint: disable=broad-except
+ # If the body is not JSON valid, just stop now
+ odata_message = None
+
+ self.code: Optional[str] = None
+ message: Optional[str] = kwargs.get("message", odata_message)
+ self.target: Optional[str] = None
+ self.details: Optional[List[Any]] = []
+ self.innererror: Optional[Mapping[str, Any]] = {}
+
+ if message and "message" not in kwargs:
+ kwargs["message"] = message
+
+ super(ODataV4Error, self).__init__(response=response, **kwargs)
+
+ self._error_format: Optional[Union[str, ODataV4Format]] = None
+ if self.odata_json:
+ try:
+ error_node = self.odata_json["error"]
+ self._error_format = self._ERROR_FORMAT(error_node)
+ self.__dict__.update({k: v for k, v in self._error_format.__dict__.items() if v is not None})
+ except Exception: # pylint: disable=broad-except
+ _LOGGER.info("Received error message was not valid OdataV4 format.")
+ self._error_format = "JSON was invalid for format " + str(self._ERROR_FORMAT)
+
+ def __str__(self) -> str:
+ if self._error_format:
+ return str(self._error_format)
+ return super(ODataV4Error, self).__str__()
+
+
+class StreamConsumedError(AzureError):
+ """Error thrown if you try to access the stream of a response once consumed.
+
+ It is thrown if you try to read / stream an ~azure.core.rest.HttpResponse or
+ ~azure.core.rest.AsyncHttpResponse once the response's stream has been consumed.
+
+ :param response: The response that triggered the exception.
+ :type response: ~azure.core.rest.HttpResponse or ~azure.core.rest.AsyncHttpResponse
+ """
+
+ def __init__(self, response: _HttpResponseCommonAPI) -> None:
+ message = (
+ "You are attempting to read or stream the content from request {}. "
+ "You have likely already consumed this stream, so it can not be accessed anymore.".format(response.request)
+ )
+ super(StreamConsumedError, self).__init__(message)
+
+
+class StreamClosedError(AzureError):
+ """Error thrown if you try to access the stream of a response once closed.
+
+ It is thrown if you try to read / stream an ~azure.core.rest.HttpResponse or
+ ~azure.core.rest.AsyncHttpResponse once the response's stream has been closed.
+
+ :param response: The response that triggered the exception.
+ :type response: ~azure.core.rest.HttpResponse or ~azure.core.rest.AsyncHttpResponse
+ """
+
+ def __init__(self, response: _HttpResponseCommonAPI) -> None:
+ message = (
+ "The content for response from request {} can no longer be read or streamed, since the "
+ "response has already been closed.".format(response.request)
+ )
+ super(StreamClosedError, self).__init__(message)
+
+
+class ResponseNotReadError(AzureError):
+ """Error thrown if you try to access a response's content without reading first.
+
+ It is thrown if you try to access an ~azure.core.rest.HttpResponse or
+ ~azure.core.rest.AsyncHttpResponse's content without first reading the response's bytes in first.
+
+ :param response: The response that triggered the exception.
+ :type response: ~azure.core.rest.HttpResponse or ~azure.core.rest.AsyncHttpResponse
+ """
+
+ def __init__(self, response: _HttpResponseCommonAPI) -> None:
+ message = (
+ "You have not read in the bytes for the response from request {}. "
+ "Call .read() on the response first.".format(response.request)
+ )
+ super(ResponseNotReadError, self).__init__(message)
+
+
+class SerializationError(ValueError):
+ """Raised if an error is encountered during serialization."""
+
+
+class DeserializationError(ValueError):
+ """Raised if an error is encountered during deserialization."""