


"""simple docstring"""






import os
import time

import pytest

from datasets.utils.filelock import FileLock, Timeout





def 				A_       ( snake_case__		)					->  List[str]:
			_UpperCamelCase					:List[Any]					     =	FileLock(str(tmpdir / '''foo.lock'''		)		)
			_UpperCamelCase					:Any					     =	FileLock(str(tmpdir / '''foo.lock'''		)		)
			_UpperCamelCase					:Optional[int]					     =	0.01
			with locka.acquire():
						with pytest.raises(snake_case__		):
									_UpperCamelCase					:Dict					     =	time.time()
									locka.acquire(snake_case__		)
									assert time.time() - _start > timeout





def 				A_       ( snake_case__		)					->  Optional[Any]:
			_UpperCamelCase					:Optional[int]					     =	'''a''' * 10_00 + '''.lock'''
			_UpperCamelCase					:Union[str, Any]					     =	FileLock(str(tmpdir / filename		)		)
			assert locka._lock_file.endswith('''.lock'''		)
			assert not locka._lock_file.endswith(snake_case__		)
			assert len(os.path.basename(locka._lock_file		)		) <= 2_55
			_UpperCamelCase					:List[str]					     =	FileLock(tmpdir / filename		)
			with locka.acquire():
						with pytest.raises(snake_case__		):
									locka.acquire(0		)





"""simple docstring"""






from collections.abc import Callable

import numpy as np





def 				A_       ( snake_case__       ,					snake_case__       ,					snake_case__       ,					snake_case__       ,					snake_case__		)					->  np.ndarray:
			_UpperCamelCase					:str					     =	int(np.ceil((x_end - xa) / step_size		)		)
			_UpperCamelCase					:Union[str, Any]					     =	np.zeros((n + 1,)		)
			_UpperCamelCase					:List[str]					     =	ya
			_UpperCamelCase					:Any					     =	xa

			for k in range(snake_case__		):
						_UpperCamelCase					:Union[str, Any]					     =	y[k] + step_size * ode_func(snake_case__       ,					y[k]		)
						x += step_size

			return y


if __name__ == "__main__":
					import doctest

					doctest.testmod()

