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class BaseRetryBackoff:
def delay_amount(self, context):
"""Calculate how long we should delay before retrying.
:type context: RetryContext
"""
raise NotImplementedError("delay_amount")
class BaseRetryableChecker:
"""Base class for determining if a retry should happen.
This base class checks for specific retryable conditions.
A single retryable checker doesn't necessarily indicate a retry
will happen. It's up to the ``RetryPolicy`` to use its
``BaseRetryableCheckers`` to make the final decision on whether a retry
should happen.
"""
def is_retryable(self, context):
"""Returns True if retryable, False if not.
:type context: RetryContext
"""
raise NotImplementedError("is_retryable")
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