Retry Decorator

A decorator to retry the function if it fails.

Example

Using the @retry_decorator.retry decorator:

import retry_decorator

@retry_decorator.retry(max_tries=3, sleep=1)
def hw(name="World"):
    print(f"Hello {name}")
    raise ValueError

hw()

>>> Hello World
>>> /Users/retry_decorator/retry_decorator/retry_decorator.py:25: UserWarning:
>>> ERROR WARNING: function call `hw` failed on try #1
>>> Traceback:
>>> Traceback (most recent call last):
>>>   File "/Users/retry_decorator/retry_decorator/retry_decorator.py", line 39, in wrapper
>>>     ret = func(*args, **kwargs)
>>>   File "/Users/retry_decorator/retry_decorator/example.py", line 11, in hw
>>>     raise ValueError
>>> ValueError
>>>
>>>   warnings.warn(warning_msg)
>>> Retrying `hw` in 1 seconds ...
>>> Hello World
>>> /Users/retry_decorator/retry_decorator/retry_decorator.py:25: UserWarning:
>>> ERROR WARNING: function call `hw` failed on try #2
>>> Traceback:
>>> Traceback (most recent call last):
>>>   File "/Users/retry_decorator/retry_decorator/retry_decorator.py", line 39, in wrapper
>>>     ret = func(*args, **kwargs)
>>>   File "/Users/retry_decorator/retry_decorator/example.py", line 11, in hw
>>>     raise ValueError
>>> ValueError
>>>
>>>   warnings.warn(warning_msg)
>>> Retrying `hw` in 1 seconds ...
>>> Hello World
>>> /Users/retry_decorator/retry_decorator/retry_decorator.py:25: UserWarning:
>>> ERROR WARNING: function call `hw` failed on try #3
>>> Traceback:
>>> Traceback (most recent call last):
>>>   File "/Users/retry_decorator/retry_decorator/retry_decorator.py", line 39, in wrapper
>>>     ret = func(*args, **kwargs)
>>>   File "/Users/retry_decorator/retry_decorator/example.py", line 11, in hw
>>>     raise ValueError
>>> ValueError
>>>
>>>   warnings.warn(warning_msg)