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feat(lib): implement the retry functionality
Add a proper implementation of the retry functionality making the client more resilient when faced with IO Errors.
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Original file line number | Diff line number | Diff line change |
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from .exceptions import RetryError | ||
from .retry import Retry, if_exception_type_factory, if_idr_exception | ||
from .setting_initializers import RetryInitializer | ||
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__all__ = [ | ||
"Retry", | ||
"RetryError", | ||
"RetryInitializer", | ||
"if_idr_exception", | ||
"if_exception_type_factory", | ||
] |
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Original file line number | Diff line number | Diff line change |
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from typing import Final | ||
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from .types import RetryConfig | ||
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RETRY_CONFIG_KEY: Final[str] = "RETRY" | ||
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DEFAULT_DEADLINE: Final[float] = 60.0 * 5 # In seconds | ||
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DEFAULT_INITIAL_DELAY: Final[float] = 1.0 # In seconds | ||
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DEFAULT_MAXIMUM_DELAY: Final[float] = 60.0 # In seconds | ||
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DEFAULT_MULTIPLICATIVE_FACTOR: Final[float] = 2.0 | ||
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DEFAULT_RETRY_CONFIG: Final[RetryConfig] = { | ||
"default_deadline": DEFAULT_DEADLINE, | ||
"default_initial_delay": DEFAULT_INITIAL_DELAY, | ||
"default_maximum_delay": DEFAULT_MAXIMUM_DELAY, | ||
"default_multiplicative_factor": DEFAULT_MULTIPLICATIVE_FACTOR, | ||
"enable_retries": True, | ||
} |
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Original file line number | Diff line number | Diff line change |
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from app.core import IDRClientException | ||
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class RetryError(IDRClientException): | ||
"""An exception used to indicate that a retry failed.""" | ||
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def __init__(self, exp: BaseException, message="Deadline exceeded."): | ||
self._exp: BaseException = exp | ||
super().__init__(message, self._exp) |
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