
"""simple docstring"""




from collections.abc import Sequence
from queue import Queue





class  snake_case     :

							def __init__(self       ,       SCREAMING_SNAKE_CASE_       ,       SCREAMING_SNAKE_CASE_       ,       SCREAMING_SNAKE_CASE_       ,       SCREAMING_SNAKE_CASE_=None       ,       SCREAMING_SNAKE_CASE_=None    ):

									"""simple docstring"""







									SCREAMING_SNAKE_CASE_						 = start
									SCREAMING_SNAKE_CASE_						 = end
									SCREAMING_SNAKE_CASE_						 = val
									SCREAMING_SNAKE_CASE_						 = (start + end) // 2
									SCREAMING_SNAKE_CASE_						 = left
									SCREAMING_SNAKE_CASE_						 = right







							def __repr__(self    ):

									"""simple docstring"""







									return f'SegmentTreeNode(start={self.start}, end={self.end}, val={self.val})'







class  snake_case     :

							def __init__(self       ,       SCREAMING_SNAKE_CASE_       ,       SCREAMING_SNAKE_CASE_    ):

									"""simple docstring"""







									SCREAMING_SNAKE_CASE_						 = collection
									SCREAMING_SNAKE_CASE_						 = function
									if self.collection:
											SCREAMING_SNAKE_CASE_						 = self._build_tree(0       ,       len(SCREAMING_SNAKE_CASE_    ) - 1    )

							def _lowercase					(self       ,       SCREAMING_SNAKE_CASE_       ,       SCREAMING_SNAKE_CASE_    ):

									"""simple docstring"""







									self._update_tree(self.root       ,       SCREAMING_SNAKE_CASE_       ,       SCREAMING_SNAKE_CASE_    )

							def _lowercase					(self       ,       SCREAMING_SNAKE_CASE_       ,       SCREAMING_SNAKE_CASE_    ):

									"""simple docstring"""







									return self._query_range(self.root       ,       SCREAMING_SNAKE_CASE_       ,       SCREAMING_SNAKE_CASE_    )

							def _lowercase					(self       ,       SCREAMING_SNAKE_CASE_       ,       SCREAMING_SNAKE_CASE_    ):

									"""simple docstring"""







									if start == end:
											return SegmentTreeNode(SCREAMING_SNAKE_CASE_       ,       SCREAMING_SNAKE_CASE_       ,       self.collection[start]    )
									SCREAMING_SNAKE_CASE_						 = (start + end) // 2
									SCREAMING_SNAKE_CASE_						 = self._build_tree(SCREAMING_SNAKE_CASE_       ,       SCREAMING_SNAKE_CASE_    )
									SCREAMING_SNAKE_CASE_						 = self._build_tree(mid + 1       ,       SCREAMING_SNAKE_CASE_    )
									return SegmentTreeNode(SCREAMING_SNAKE_CASE_       ,       SCREAMING_SNAKE_CASE_       ,       self.fn(left.val       ,       right.val    )       ,       SCREAMING_SNAKE_CASE_       ,       SCREAMING_SNAKE_CASE_    )

							def _lowercase					(self       ,       SCREAMING_SNAKE_CASE_       ,       SCREAMING_SNAKE_CASE_       ,       SCREAMING_SNAKE_CASE_    ):

									"""simple docstring"""







									if node.start == i and node.end == i:
											SCREAMING_SNAKE_CASE_						 = val
											return
									if i <= node.mid:
											self._update_tree(node.left       ,       SCREAMING_SNAKE_CASE_       ,       SCREAMING_SNAKE_CASE_    )
									else:
											self._update_tree(node.right       ,       SCREAMING_SNAKE_CASE_       ,       SCREAMING_SNAKE_CASE_    )
									SCREAMING_SNAKE_CASE_						 = self.fn(node.left.val       ,       node.right.val    )

							def _lowercase					(self       ,       SCREAMING_SNAKE_CASE_       ,       SCREAMING_SNAKE_CASE_       ,       SCREAMING_SNAKE_CASE_    ):

									"""simple docstring"""







									if node.start == i and node.end == j:
											return node.val

									if i <= node.mid:
											if j <= node.mid:
													# range in left child tree
													return self._query_range(node.left       ,       SCREAMING_SNAKE_CASE_       ,       SCREAMING_SNAKE_CASE_    )
											else:
													# range in left child tree and right child tree
													return self.fn(
													    self._query_range(node.left       ,       SCREAMING_SNAKE_CASE_       ,       node.mid    )       ,       self._query_range(node.right       ,       node.mid + 1       ,       SCREAMING_SNAKE_CASE_    )       ,       )
									else:
											# range in right child tree
											return self._query_range(node.right       ,       SCREAMING_SNAKE_CASE_       ,       SCREAMING_SNAKE_CASE_    )







							def _lowercase					(self    ):

									"""simple docstring"""







									if self.root is not None:
											SCREAMING_SNAKE_CASE_						 = Queue()
											queue.put(self.root    )
											while not queue.empty():
													SCREAMING_SNAKE_CASE_						 = queue.get()
													yield node

													if node.left is not None:
															queue.put(node.left    )

													if node.right is not None:
															queue.put(node.right    )


if __name__ == "__main__":
						import operator

						for fn in [operator.add, max, min]:
												print('*' * 50)
												lowerCAmelCase__							=				SegmentTree([2, 1, 5, 3, 4], fn)
												for node in arr.traverse():
																		print(node)
												print()

												arr.update(1, 5)
												for node in arr.traverse():
																		print(node)
												print()

												print(arr.query_range(3, 4))  # 7
												print(arr.query_range(2, 2))  # 5
												print(arr.query_range(1, 3))  # 13
												print()

"""simple docstring"""




import os
import socket
from contextlib import contextmanager

import torch

from ..commands.config.default import write_basic_config  # noqa: F401
from ..state import PartialState
from .dataclasses import DistributedType
from .imports import is_deepspeed_available, is_tpu_available
from .transformer_engine import convert_model
from .versions import is_torch_version


if is_deepspeed_available():
						from deepspeed import DeepSpeedEngine

if is_tpu_available(check_device=False):
						import torch_xla.core.xla_model as xm



def        _lowerCamelCase ( __a    ):
		if is_torch_version('''<''',							'''2.0.0'''    ) or not hasattr(__a,							'''_dynamo'''    ):
				return False
		return isinstance(__a,							torch._dynamo.eval_frame.OptimizedModule    )



def        _lowerCamelCase ( __a,							__a = True    ):
		SCREAMING_SNAKE_CASE_						 = (torch.nn.parallel.DistributedDataParallel, torch.nn.DataParallel)

		SCREAMING_SNAKE_CASE_						 = is_compiled_module(__a    )
		if is_compiled:
				SCREAMING_SNAKE_CASE_						 = model
				SCREAMING_SNAKE_CASE_						 = model._orig_mod

		if is_deepspeed_available():
				options += (DeepSpeedEngine,)

		while isinstance(__a,							__a    ):
				SCREAMING_SNAKE_CASE_						 = model.module

		if not keep_fpaa_wrapper:
				SCREAMING_SNAKE_CASE_						 = getattr(__a,							'''forward'''    )
				SCREAMING_SNAKE_CASE_						 = model.__dict__.pop('''_original_forward''',							__a    )
				if original_forward is not None:
						while hasattr(__a,							'''__wrapped__'''    ):
								SCREAMING_SNAKE_CASE_						 = forward.__wrapped__
								if forward == original_forward:
										break
						SCREAMING_SNAKE_CASE_						 = forward
				if getattr(__a,							'''_converted_to_transformer_engine''',							__a    ):
						convert_model(__a,							to_transformer_engine=__a    )

		if is_compiled:
				SCREAMING_SNAKE_CASE_						 = model
				SCREAMING_SNAKE_CASE_						 = compiled_model

		return model



def        _lowerCamelCase ( ):
		PartialState().wait_for_everyone()



def        _lowerCamelCase ( __a,							__a    ):
		if PartialState().distributed_type == DistributedType.TPU:
				xm.save(__a,							__a    )
		elif PartialState().local_process_index == 0:
				torch.save(__a,							__a    )



@contextmanager
def        _lowerCamelCase ( **__a    ):
		for key, value in kwargs.items():
				SCREAMING_SNAKE_CASE_						 = str(__a    )

		yield

		for key in kwargs:
				if key.upper() in os.environ:
						del os.environ[key.upper()]



def        _lowerCamelCase ( __a    ):
		if not hasattr(__a,							'''__qualname__'''    ) and not hasattr(__a,							'''__name__'''    ):
				SCREAMING_SNAKE_CASE_						 = getattr(__a,							'''__class__''',							__a    )
		if hasattr(__a,							'''__qualname__'''    ):
				return obj.__qualname__
		if hasattr(__a,							'''__name__'''    ):
				return obj.__name__
		return str(__a    )



def        _lowerCamelCase ( __a,							__a    ):
		for key, value in source.items():
				if isinstance(__a,							__a    ):
						SCREAMING_SNAKE_CASE_						 = destination.setdefault(__a,							{}    )
						merge_dicts(__a,							__a    )
				else:
						SCREAMING_SNAKE_CASE_						 = value

		return destination



def        _lowerCamelCase ( __a = None    ):
		if port is None:
				SCREAMING_SNAKE_CASE_						 = 29_500
		with socket.socket(socket.AF_INET,							socket.SOCK_STREAM    ) as s:
				return s.connect_ex(('''localhost''', port)    ) == 0