AzureError is the base exception for all errors.
class AzureError(Exception):
def __init__(self, message, *args, **kwargs):
self.inner_exception = kwargs.get("error")
self.exc_type, self.exc_value, self.exc_traceback = sys.exc_info()
self.exc_type = self.exc_type.__name__ if self.exc_type else type(self.inner_exception)
self.exc_msg = "{}, {}: {}".format(message, self.exc_type, self.exc_value) # type: ignore
self.message = str(message)
self.continuation_token = kwargs.get("continuation_token")
super(AzureError, self).__init__(self.message, *args)
message is any message (str) to be associated with the exception.
args are any additional args to be included with exception.
kwargs are keyword arguments to include with the exception. Use the keyword error to pass in an internal exception and continuation_token for a token reference to continue an incomplete operation.
The following exceptions inherit from AzureError:
ServiceRequestErrorïAn error occurred while attempt to make a request to the service. No request was sent.
ServiceResponseErrorïThe 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.
HttpResponseErrorïA request was made, and a non-success status code was received from the service.
class HttpResponseError(AzureError):
def __init__(self, message=None, response=None, **kwargs):
self.reason = None
self.response = response
if response:
self.reason = response.reason
self.status_code = response.status_code
self.error = self._parse_odata_body(ODataV4Format, response) # type: Optional[ODataV4Format]
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)
message is the HTTP response error message (optional)
response is the HTTP response (optional).
kwargs are keyword arguments to include with the exception.
The following exceptions inherit from HttpResponseError:
DecodeErrorïAn error raised during response de-serialization.
IncompleteReadErrorïAn error raised if peer closes the connection before we have received the complete message body.
ResourceExistsErrorïAn error response with status code 4xx. This will not be raised directly by the Azure core pipeline.
ResourceNotFoundErrorïAn error response, typically triggered by a 412 response (for update) or 404 (for get/post).
ResourceModifiedErrorïAn error response with status code 4xx, typically 412 Conflict. This will not be raised directly by the Azure core pipeline.
ResourceNotModifiedErrorïAn error response with status code 304. This will not be raised directly by the Azure core pipeline.
ClientAuthenticationErrorïAn error response with status code 4xx. This will not be raised directly by the Azure core pipeline.
TooManyRedirectsErrorïAn error raised when the maximum number of redirect attempts is reached. The maximum amount of redirects can be configured in the RedirectPolicy.
class TooManyRedirectsError(HttpResponseError):
def __init__(self, history, *args, **kwargs):
self.history = history
message = "Reached maximum redirect attempts."
super(TooManyRedirectsError, self).__init__(message, *args, **kwargs)
history is used to document the requests/responses that resulted in redirected requests.
args are any additional args to be included with exception.
kwargs are keyword arguments to include with the exception.
StreamConsumedErrorïAn error thrown if you try to access the stream of azure.core.rest.HttpResponse or azure.core.rest.AsyncHttpResponse once the response stream has been consumed.
An error thrown if you try to access the stream of the azure.core.rest.HttpResponse or azure.core.rest.AsyncHttpResponse once the response stream has been closed.
An error thrown if you try to access the content of azure.core.rest.HttpResponse or azure.core.rest.AsyncHttpResponse before reading in the responseâs bytes first.
When calling the methods, some properties can be configured by passing in as kwargs arguments.
Parameters
Description
headers
The HTTP Request headers.
request_id
The request id to be added into header.
user_agent
If specified, this will be added in front of the user agent string.
logging_enable
Use to enable per operation. Defaults to False.
logger
If specified, it will be used to log information.
response_encoding
The encoding to use if known for this service (will disable auto-detection).
raw_request_hook
Callback function. Will be invoked on request.
raw_response_hook
Callback function. Will be invoked on response.
network_span_namer
A callable to customize the span name.
tracing_attributes
Attributes to set on all created spans.
permit_redirects
Whether the client allows redirects. Defaults to True.
redirect_max
The maximum allowed redirects. Defaults to 30.
retry_total
Total number of retries to allow. Takes precedence over other counts. Default value is 10.
retry_connect
How many connection-related errors to retry on. These are errors raised before the request is sent to the remote server, which we assume has not triggered the server to process the request. Default value is 3.
retry_read
How many times to retry on read errors. These errors are raised after the request was sent to the server, so the request may have side-effects. Default value is 3.
retry_status
How many times to retry on bad status codes. Default value is 3.
retry_backoff_factor
A backoff factor to apply between attempts after the second try (most errors are resolved immediately by a second try without a delay). Retry policy will sleep for: {backoff factor} * (2 ** ({number of total retries} - 1)) seconds. If the backoff_factor is 0.1, then the retry will sleep for [0.0s, 0.2s, 0.4s, â¦] between retries. The default value is 0.8.
retry_backoff_max
The maximum back off time. Default value is 120 seconds (2 minutes).
retry_mode
Fixed or exponential delay between attempts, default is Exponential.
timeout
Timeout setting for the operation in seconds, default is 604800s (7 days).
connection_timeout
A single float in seconds for the connection timeout. Defaults to 300 seconds.
read_timeout
A single float in seconds for the read timeout. Defaults to 300 seconds.
connection_verify
SSL certificate verification. Enabled by default. Set to False to disable, alternatively can be set to the path to a CA_BUNDLE file or directory with certificates of trusted CAs.
connection_cert
Client-side certificates. You can specify a local cert to use as client side certificate, as a single file (containing the private key and the certificate) or as a tuple of both filesâ paths.
proxies
Dictionary mapping protocol or protocol and hostname to the URL of the proxy.
cookies
Dict or CookieJar object to send with the Request.
connection_data_block_size
The block size of data sent over the connection. Defaults to 4096 bytes.
The async transport is designed to be opt-in. AioHttp is one of the supported implementations of async transport. It is not installed by default. You need to install it separately.
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