deadline = 60, on_error = None
def retry_target(target, predicate, sleep_generator, deadline, on_error=None):
"""Call a function and retry if it fails.
This is the lowest-level retry helper. Generally, you'll use the
higher-level retry helper :class:`Retry`.
Args:
target(Callable): The function to call and retry. This must be a
nullary function - apply arguments with `functools.partial`.
predicate (Callable[Exception]): A callable used to determine if an
exception raised by the target should be considered retryable.
It should return True to retry or False otherwise.
sleep_generator (Iterable[float]): An infinite iterator that determines
how long to sleep between retries.
deadline (float): How long to keep retrying the target. The last sleep
period is shortened as necessary, so that the last retry runs at
``deadline`` (and not considerably beyond it).
on_error (Callable[Exception]): A function to call while processing a
retryable exception. Any error raised by this function will *not*
be caught.
Returns:
Any: the return value of the target function.
Raises:
google.api_core.RetryError: If the deadline is exceeded while retrying.
ValueError: If the sleep generator stops yielding values.
Exception: If the target raises a method that isn't retryable.
"""
if deadline is not None:
deadline_datetime = datetime_helpers.utcnow() + datetime.timedelta(
seconds=deadline
)
else:
deadline_datetime = None
last_exc = None
for sleep in sleep_generator:
try:
return target()
.nox/system-3-8/lib/python3.8/site-packages/google/api_core/retry.py:190:
self = <google.api_core.operation.Operation object at 0x7f92945716d0>
retry = <google.api_core.retry.Retry object at 0x7f929716a340>
def _done_or_raise(self, retry=DEFAULT_RETRY):
"""Check if the future is done and raise if it's not."""
kwargs = {} if retry is DEFAULT_RETRY else {"retry": retry}
if not self.done(**kwargs):
raise _OperationNotComplete()
E google.api_core.future.polling._OperationNotComplete
.nox/system-3-8/lib/python3.8/site-packages/google/api_core/future/polling.py:89: _OperationNotComplete
The above exception was the direct cause of the following exception:
self = <google.api_core.operation.Operation object at 0x7f92945716d0>
timeout = 60, retry = <google.api_core.retry.Retry object at 0x7f929716a340>
def _blocking_poll(self, timeout=None, retry=DEFAULT_RETRY):
"""Poll and wait for the Future to be resolved.
Args:
timeout (int):
How long (in seconds) to wait for the operation to complete.
If None, wait indefinitely.
"""
if self._result_set:
return
retry_ = self._retry.with_deadline(timeout)
try:
kwargs = {} if retry is DEFAULT_RETRY else {"retry": retry}
retry_(self._done_or_raise)(**kwargs)
.nox/system-3-8/lib/python3.8/site-packages/google/api_core/future/polling.py:110:
args = (), kwargs = {}
target = functools.partial(<bound method PollingFuture._done_or_raise of <google.api_core.operation.Operation object at 0x7f92945716d0>>)
sleep_generator = <generator object exponential_sleep_generator at 0x7f9295602e40>
@functools.wraps(func)
def retry_wrapped_func(*args, **kwargs):
"""A wrapper that calls target function with retry."""
target = functools.partial(func, *args, **kwargs)
sleep_generator = exponential_sleep_generator(
self._initial, self._maximum, multiplier=self._multiplier
)
return retry_target(
target,
self._predicate,
sleep_generator,
self._deadline,
on_error=on_error,
)
.nox/system-3-8/lib/python3.8/site-packages/google/api_core/retry.py:283:
target = functools.partial(<bound method PollingFuture._done_or_raise of <google.api_core.operation.Operation object at 0x7f92945716d0>>)
predicate = <function if_exception_type..if_exception_type_predicate at 0x7f92971659d0>
sleep_generator = <generator object exponential_sleep_generator at 0x7f9295602e40>
deadline = 60, on_error = None
def retry_target(target, predicate, sleep_generator, deadline, on_error=None):
"""Call a function and retry if it fails.
This is the lowest-level retry helper. Generally, you'll use the
higher-level retry helper :class:`Retry`.
Args:
target(Callable): The function to call and retry. This must be a
nullary function - apply arguments with `functools.partial`.
predicate (Callable[Exception]): A callable used to determine if an
exception raised by the target should be considered retryable.
It should return True to retry or False otherwise.
sleep_generator (Iterable[float]): An infinite iterator that determines
how long to sleep between retries.
deadline (float): How long to keep retrying the target. The last sleep
period is shortened as necessary, so that the last retry runs at
``deadline`` (and not considerably beyond it).
on_error (Callable[Exception]): A function to call while processing a
retryable exception. Any error raised by this function will *not*
be caught.
Returns:
Any: the return value of the target function.
Raises:
google.api_core.RetryError: If the deadline is exceeded while retrying.
ValueError: If the sleep generator stops yielding values.
Exception: If the target raises a method that isn't retryable.
"""
if deadline is not None:
deadline_datetime = datetime_helpers.utcnow() + datetime.timedelta(
seconds=deadline
)
else:
deadline_datetime = None
last_exc = None
for sleep in sleep_generator:
try:
return target()
# pylint: disable=broad-except
# This function explicitly must deal with broad exceptions.
except Exception as exc:
if not predicate(exc):
raise
last_exc = exc
if on_error is not None:
on_error(exc)
now = datetime_helpers.utcnow()
if deadline_datetime is not None:
if deadline_datetime <= now:
raise exceptions.RetryError(
"Deadline of {:.1f}s exceeded while calling target function".format(
deadline
),
last_exc,
) from last_exc
E google.api_core.exceptions.RetryError: Deadline of 60.0s exceeded while calling target function, last exception:
.nox/system-3-8/lib/python3.8/site-packages/google/api_core/retry.py:205: RetryError
During handling of the above exception, another exception occurred:
admin_client = <google.cloud.bigtable.client.Client object at 0x7f9296eb1d60>
unique_suffix = '-1661370419528', location_id = 'us-central1-c'
instance_labels = {'python-system': '2022-08-24t19-46-59'}
instances_to_delete = [<google.cloud.bigtable.instance.Instance object at 0x7f9294571640>]
skip_on_emulator = None
def test_instance_create_prod(
admin_client,
unique_suffix,
location_id,
instance_labels,
instances_to_delete,
skip_on_emulator,
):
from google.cloud.bigtable import enums
alt_instance_id = f"ndef{unique_suffix}"
instance = admin_client.instance(alt_instance_id, labels=instance_labels)
alt_cluster_id = f"{alt_instance_id}-cluster"
serve_nodes = 1
cluster = instance.cluster(
alt_cluster_id,
location_id=location_id,
serve_nodes=serve_nodes,
)
operation = instance.create(clusters=[cluster])
instances_to_delete.append(instance)
operation.result(timeout=60) # Ensure the operation completes.
tests/system/test_instance_admin.py:166:
.nox/system-3-8/lib/python3.8/site-packages/google/api_core/future/polling.py:132: in result
self._blocking_poll(timeout=timeout, **kwargs)
self = <google.api_core.operation.Operation object at 0x7f92945716d0>
timeout = 60, retry = <google.api_core.retry.Retry object at 0x7f929716a340>
def _blocking_poll(self, timeout=None, retry=DEFAULT_RETRY):
"""Poll and wait for the Future to be resolved.
Args:
timeout (int):
How long (in seconds) to wait for the operation to complete.
If None, wait indefinitely.
"""
if self._result_set:
return
retry_ = self._retry.with_deadline(timeout)
try:
kwargs = {} if retry is DEFAULT_RETRY else {"retry": retry}
retry_(self._done_or_raise)(**kwargs)
except exceptions.RetryError:
raise concurrent.futures.TimeoutError(
"Operation did not complete within the designated " "timeout."
)
E concurrent.futures._base.TimeoutError: Operation did not complete within the designated timeout.
.nox/system-3-8/lib/python3.8/site-packages/google/api_core/future/polling.py:112: TimeoutError
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