Retry
The Retry object.
AsyncRetry
Bases: BaseRetry[ReturnT]
Asynchronous retry
Examples:
>>> async def ok() -> bool:
... return True
>>> retry = AsyncRetry[t.Awaitable[bool]](strategies=[StopAfterAttemptStrategy(20)])
>>> print(await retry(ok))
Source code in pyretries/retry.py
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|
__call__(func, *args, **kwargs)
async
Executes func
and applies strategies
Parameters:
Name | Type | Description | Default |
---|---|---|---|
func |
FuncT[ReturnT]
|
Address to function |
required |
args |
Any
|
|
()
|
kwargs |
Any
|
|
{}
|
Returns:
Type | Description |
---|---|
ReturnT | Exception | None
|
Either |
Source code in pyretries/retry.py
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BaseRetry
Bases: ABC
, Generic[ReturnT]
Base class for all retry implementations.
Requires __call__
implementation
Examples:
>>> Class RetryExample(BaseRetry[ReturnT]):
...
def __call__(
self,
func: FuncT[ReturnT],
*args: t.Tuple[t.Any],
**kwargs: t.Dict[t.Any, t.Any],
) -> ReturnT | Exception | None:
...
Source code in pyretries/retry.py
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__call__(func, *args, **kwargs)
abstractmethod
Executes func
and applies strategies
Parameters:
Name | Type | Description | Default |
---|---|---|---|
func |
FuncT[ReturnT]
|
Address to function |
required |
args |
Tuple[Any]
|
|
()
|
kwargs |
Dict[Any, Any]
|
|
{}
|
Source code in pyretries/retry.py
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__init__(strategies=[], on_exceptions=None, before_hooks=None, after_hooks=None, retry_exception_hook=None, should_log=True)
Parameters:
Name | Type | Description | Default |
---|---|---|---|
strategies |
Sequence[Strategy[ReturnT]]
|
Sequence of retry strategies |
[]
|
on_exceptions |
Sequence[type[Exception]] | None
|
Sequence of exceptions to apply a retry strategy. |
None
|
before_hooks |
Sequence[BeforeHookFuncT] | None
|
Hooks to run before running |
None
|
after_hooks |
Sequence[AfterHookFuncT[ReturnT]] | None
|
Hooks to run after running |
None
|
retry_exception_hook |
RetryExceptionCallHook | None
|
Hook to run when |
None
|
should_log |
bool
|
Specifies whether retry should log actions |
True
|
Source code in pyretries/retry.py
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|
Retry
Bases: BaseRetry[ReturnT]
Synchronous retry
Examples:
>>> def ok() -> bool:
... return True
>>> retry = Retry[bool](strategies=[StopAfterAttemptStrategy(20)])
>>> print(retry(ok))
Source code in pyretries/retry.py
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|
__call__(func, *args, **kwargs)
Executes func
and applies strategies
Parameters:
Name | Type | Description | Default |
---|---|---|---|
func |
FuncT[ReturnT]
|
Address to function |
required |
args |
Any
|
|
()
|
kwargs |
Any
|
|
{}
|
Returns:
Type | Description |
---|---|
ReturnT | Exception | None
|
Either |
Source code in pyretries/retry.py
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|
exec(state)
Executes func
from state
Parameters:
Name | Type | Description | Default |
---|---|---|---|
state |
RetryState[ReturnT]
|
Current retry state |
required |
Source code in pyretries/retry.py
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RetryState
dataclass
Bases: Generic[ReturnT]
Stores current retry state
Parameters:
Name | Type | Description | Default |
---|---|---|---|
func |
FuncT[ReturnT]
|
Function address to retry |
required |
args |
Sequence[Any] | None
|
|
None
|
kwargs |
Dict[str, Any] | None
|
|
None
|
start_time |
int
|
Timestamp when retry first started |
required |
end_time |
int
|
Timestamp when retry ended |
0
|
strategy_func |
Next strategy to run |
required | |
current_attempts |
int
|
Number of current retry attempts |
0
|
exception |
Exception | None
|
Exception raised by |
None
|
Source code in pyretries/retry.py
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raised: bool
property
Checks if func
raised an exception
clear()
Clears retry state
Source code in pyretries/retry.py
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retry(strategies=[], on_exceptions=None, before_hooks=None, after_hooks=None, retry_exception_hook=None, should_log=True)
Retry decorator. Works both for sync and async functions
Examples:
>>> @retry(strategies=[strategy.NoopStrategy(1)])
... def ok() -> bool:
... return True
>>> ok()
INFO:retries.retry:Calling 'ok'
True
Parameters:
Name | Type | Description | Default |
---|---|---|---|
strategies |
Sequence[Strategy]
|
Sequence of retry strategies |
[]
|
on_exceptions |
Sequence[type[Exception]] | None
|
Sequence of exceptions to apply a retry strategy. |
None
|
before_hooks |
Sequence[BeforeHookFuncT] | None
|
Hooks to run before running |
None
|
after_hooks |
Sequence[AfterHookFuncT[ReturnT]] | None
|
Hooks to run after running |
None
|
retry_exception_hook |
RetryExceptionCallHook | None
|
Hook to run when |
None
|
should_log |
bool
|
Specifies whether retry should log actions |
True
|
Returns:
Name | Type | Description |
---|---|---|
func |
FuncT[ReturnT]
|
Functions return value or exception |
Source code in pyretries/retry.py
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