






import tempfile
import unittest

from transformers import AutoModelForSeqaSeqLM, AutoTokenizer
from transformers.testing_utils import (
    is_torch_available,
    require_optimum,
    require_torch,
    slow,
)


if is_torch_available():
				import torch





@require_torch
@require_optimum
@slow
class     SCREAMING_SNAKE_CASE					(			unittest.TestCase       ):





							"""simple docstring"""

							def    __A			(	self: List[str] )     ->					Union[str, Any]:
												_A										=			'''hf-internal-testing/tiny-random-t5'''
												_A										=			AutoTokenizer.from_pretrained(lowercase_ )
												_A										=			AutoModelForSeqaSeqLM.from_pretrained(lowercase_ )

												_A										=			tokenizer('''This is me'''		,  return_tensors='''pt''' )

												_A										=			model.to_bettertransformer()

												self.assertTrue(any('''BetterTransformer''' in mod.__class__.__name__ for _, mod in model.named_modules() ) )

												_A										=			model.generate(**lowercase_ )

												_A										=			model.reverse_bettertransformer()

												self.assertFalse(any('''BetterTransformer''' in mod.__class__.__name__ for _, mod in model.named_modules() ) )

												with tempfile.TemporaryDirectory() as tmpdirname:
																	model.save_pretrained(lowercase_ )

																	_A										=			AutoModelForSeqaSeqLM.from_pretrained(lowercase_ )

																	self.assertFalse(
																	    any('''BetterTransformer''' in mod.__class__.__name__ for _, mod in model_reloaded.named_modules() ) )

																	_A										=			model_reloaded.generate(**lowercase_ )
																	self.assertTrue(torch.allclose(lowercase_		,  lowercase_ ) )



							def    __A			(	self: int )     ->					Any:
												_A										=			'''hf-internal-testing/tiny-random-t5'''
												_A										=			AutoModelForSeqaSeqLM.from_pretrained(lowercase_ )

												_A										=			model.to_bettertransformer()

												with tempfile.TemporaryDirectory() as tmpdirname:
																	with self.assertRaises(lowercase_ ):
																						model.save_pretrained(lowercase_ )

																	_A										=			model.reverse_bettertransformer()
																	model.save_pretrained(lowercase_ )






"""simple docstring"""





from collections import deque
from math import floor
from random import random
from time import time







class 							SCREAMING_SNAKE_CASE   :






					"""simple docstring"""



					def __init__(			self     :							Union[str, Any]						):
						lowerCAmelCase__      :		List[str]    							=      {}







					def 			__lowerCAmelCase					(			self     :							Optional[Any]  ,lowercase_     :							Optional[Any]  ,lowercase_     :							str  ,lowercase_     :							List[str]=1						):
						if self.graph.get(lowercase_						):
							if self.graph[u].count([w, v]						) == 0:
								self.graph[u].append([w, v]						)
						else:
							lowerCAmelCase__      :		Optional[int]    							=      [[w, v]]
						if not self.graph.get(lowercase_						):
							lowerCAmelCase__      :		Union[str, Any]    							=      []







					def 			__lowerCAmelCase					(			self     :							List[Any]						):
						return list(self.graph						)







					def 			__lowerCAmelCase					(			self     :							Dict  ,lowercase_     :							Tuple  ,lowercase_     :							Tuple						):
						if self.graph.get(lowercase_						):
							for _ in self.graph[u]:
								if _[1] == v:
									self.graph[u].remove(lowercase_						)







					def 			__lowerCAmelCase					(			self     :							int  ,lowercase_     :							Any=-2  ,lowercase_     :							List[Any]=-1						):
						if s == d:
							return []
						lowerCAmelCase__      :		int    							=      []
						lowerCAmelCase__      :		List[Any]    							=      []
						if s == -2:
							lowerCAmelCase__      :		int    							=      list(self.graph						)[0]
						stack.append(lowercase_						)
						visited.append(lowercase_						)
						lowerCAmelCase__      :		int    							=      s

						while True:
							# check if there is any non isolated nodes
							if len(self.graph[s]						) != 0:
								lowerCAmelCase__      :		List[Any]    							=      s
								for node in self.graph[s]:
									if visited.count(node[1]						) < 1:
										if node[1] == d:
											visited.append(lowercase_						)
											return visited
										else:
											stack.append(node[1]						)
											visited.append(node[1]						)
											lowerCAmelCase__      :		Optional[int]    							=      node[1]
											break

            # check if all the children are visited
							if s == ss:
								stack.pop()
								if len(lowercase_						) != 0:
									lowerCAmelCase__      :		str    							=      stack[len(lowercase_						) - 1]
							else:
								lowerCAmelCase__      :		Union[str, Any]    							=      ss

							# check if se have reached the starting point
							if len(lowercase_						) == 0:
								return visited







					def 			__lowerCAmelCase					(			self     :							Dict  ,lowercase_     :							Optional[Any]=-1						):
						if c == -1:
							lowerCAmelCase__      :		Any    							=      floor(random() * 1_0_0_0_0						) + 1_0
						for i in range(lowercase_						):
							# every vertex has max 100 edges
							for _ in range(floor(random() * 1_0_2						) + 1						):
								lowerCAmelCase__      :		Any    							=      floor(random() * c						) + 1
								if n != i:
									self.add_pair(lowercase_  ,lowercase_  ,1						)







					def 			__lowerCAmelCase					(			self     :							Optional[Any]  ,lowercase_     :							Union[str, Any]=-2						):
						lowerCAmelCase__      :		Tuple    							=      deque()
						lowerCAmelCase__      :		Tuple    							=      []
						if s == -2:
							lowerCAmelCase__      :		Any    							=      list(self.graph						)[0]
						d.append(lowercase_						)
						visited.append(lowercase_						)
						while d:
							lowerCAmelCase__      :		Dict    							=      d.popleft()
							if len(self.graph[s]						) != 0:
								for node in self.graph[s]:
									if visited.count(node[1]						) < 1:
										d.append(node[1]						)
										visited.append(node[1]						)
						return visited







					def 			__lowerCAmelCase					(			self     :							Union[str, Any]  ,lowercase_     :							Optional[Any]						):
						lowerCAmelCase__      :		Optional[Any]    							=      0
						for x in self.graph:
							for y in self.graph[x]:
								if y[1] == u:
									count += 1
						return count







					def 			__lowerCAmelCase					(			self     :							str  ,lowercase_     :							Optional[int]						):
						return len(self.graph[u]						)







					def 			__lowerCAmelCase					(			self     :							List[str]  ,lowercase_     :							List[str]=-2						):
						lowerCAmelCase__      :		Union[str, Any]    							=      []
						lowerCAmelCase__      :		Any    							=      []
						if s == -2:
							lowerCAmelCase__      :		Any    							=      list(self.graph						)[0]
						stack.append(lowercase_						)
						visited.append(lowercase_						)
						lowerCAmelCase__      :		Tuple    							=      s
						lowerCAmelCase__      :		Optional[int]    							=      []

						while True:
							# check if there is any non isolated nodes
							if len(self.graph[s]						) != 0:
								lowerCAmelCase__      :		Optional[Any]    							=      s
								for node in self.graph[s]:
									if visited.count(node[1]						) < 1:
										stack.append(node[1]						)
										visited.append(node[1]						)
										lowerCAmelCase__      :		Dict    							=      node[1]
										break

            # check if all the children are visited
							if s == ss:
								sorted_nodes.append(stack.pop()						)
								if len(lowercase_						) != 0:
									lowerCAmelCase__      :		Union[str, Any]    							=      stack[len(lowercase_						) - 1]
							else:
								lowerCAmelCase__      :		int    							=      ss

							# check if se have reached the starting point
							if len(lowercase_						) == 0:
								return sorted_nodes







					def 			__lowerCAmelCase					(			self     :							List[Any]						):
						lowerCAmelCase__      :		str    							=      []
						lowerCAmelCase__      :		List[str]    							=      []
						lowerCAmelCase__      :		int    							=      list(self.graph						)[0]
						stack.append(lowercase_						)
						visited.append(lowercase_						)
						lowerCAmelCase__      :		List[Any]    							=      -2
						lowerCAmelCase__      :		str    							=      []
						lowerCAmelCase__      :		Optional[Any]    							=      s
						lowerCAmelCase__      :		Union[str, Any]    							=      False
						lowerCAmelCase__      :		Optional[int]    							=      set()

						while True:
							# check if there is any non isolated nodes
							if len(self.graph[s]						) != 0:
								lowerCAmelCase__      :		List[str]    							=      s
								for node in self.graph[s]:
									if (
									    visited.count(node[1]						) > 0
									    and node[1] != parent
									    and indirect_parents.count(node[1]						) > 0
									    and not on_the_way_back
									):
										lowerCAmelCase__      :		List[Any]    							=      len(lowercase_						) - 1
										while len_stack >= 0:
											if stack[len_stack] == node[1]:
												anticipating_nodes.add(node[1]						)
												break
											else:
												anticipating_nodes.add(stack[len_stack]						)
												len_stack -= 1
									if visited.count(node[1]						) < 1:
										stack.append(node[1]						)
										visited.append(node[1]						)
										lowerCAmelCase__      :		Optional[int]    							=      node[1]
										break

            # check if all the children are visited
							if s == ss:
								stack.pop()
								lowerCAmelCase__      :		str    							=      True
								if len(lowercase_						) != 0:
									lowerCAmelCase__      :		Tuple    							=      stack[len(lowercase_						) - 1]
							else:
								lowerCAmelCase__      :		int    							=      False
								indirect_parents.append(lowercase_						)
								lowerCAmelCase__      :		str    							=      s
								lowerCAmelCase__      :		Tuple    							=      ss

							# check if se have reached the starting point
							if len(lowercase_						) == 0:
								return list(lowercase_						)







					def 			__lowerCAmelCase					(			self     :							int						):
						lowerCAmelCase__      :		Tuple    							=      []
						lowerCAmelCase__      :		Tuple    							=      []
						lowerCAmelCase__      :		Any    							=      list(self.graph						)[0]
						stack.append(lowercase_						)
						visited.append(lowercase_						)
						lowerCAmelCase__      :		List[str]    							=      -2
						lowerCAmelCase__      :		int    							=      []
						lowerCAmelCase__      :		int    							=      s
						lowerCAmelCase__      :		List[Any]    							=      False
						lowerCAmelCase__      :		List[str]    							=      set()

						while True:
							# check if there is any non isolated nodes
							if len(self.graph[s]						) != 0:
								lowerCAmelCase__      :		Optional[int]    							=      s
								for node in self.graph[s]:
									if (
									    visited.count(node[1]						) > 0
									    and node[1] != parent
									    and indirect_parents.count(node[1]						) > 0
									    and not on_the_way_back
									):
										lowerCAmelCase__      :		List[Any]    							=      len(lowercase_						) - 1
										while len_stack_minus_one >= 0:
											if stack[len_stack_minus_one] == node[1]:
												anticipating_nodes.add(node[1]						)
												break
											else:
												return True
									if visited.count(node[1]						) < 1:
										stack.append(node[1]						)
										visited.append(node[1]						)
										lowerCAmelCase__      :		Optional[Any]    							=      node[1]
										break

            # check if all the children are visited
							if s == ss:
								stack.pop()
								lowerCAmelCase__      :		List[str]    							=      True
								if len(lowercase_						) != 0:
									lowerCAmelCase__      :		Dict    							=      stack[len(lowercase_						) - 1]
							else:
								lowerCAmelCase__      :		Union[str, Any]    							=      False
								indirect_parents.append(lowercase_						)
								lowerCAmelCase__      :		Tuple    							=      s
								lowerCAmelCase__      :		Union[str, Any]    							=      ss

							# check if se have reached the starting point
							if len(lowercase_						) == 0:
								return False







					def 			__lowerCAmelCase					(			self     :							Any  ,lowercase_     :							List[Any]=-2  ,lowercase_     :							Union[str, Any]=-1						):
						lowerCAmelCase__      :		Optional[int]    							=      time()
						self.dfs(lowercase_  ,lowercase_						)
						lowerCAmelCase__      :		Any    							=      time()
						return end - begin







					def 			__lowerCAmelCase					(			self     :							Any  ,lowercase_     :							Dict=-2						):
						lowerCAmelCase__      :		List[str]    							=      time()
						self.bfs(lowercase_						)
						lowerCAmelCase__      :		List[Any]    							=      time()
						return end - begin







class 							SCREAMING_SNAKE_CASE   :






					"""simple docstring"""



					def __init__(			self     :							Union[str, Any]						):
						lowerCAmelCase__      :		Tuple    							=      {}







					def 			__lowerCAmelCase					(			self     :							List[Any]  ,lowercase_     :							Optional[int]  ,lowercase_     :							Dict  ,lowercase_     :							Any=1						):
						# check if the u exists
						if self.graph.get(lowercase_						):
							# if there already is a edge
							if self.graph[u].count([w, v]						) == 0:
								self.graph[u].append([w, v]						)
						else:
							# if u does not exist
							lowerCAmelCase__      :		List[Any]    							=      [[w, v]]
						# add the other way
						if self.graph.get(lowercase_						):
							# if there already is a edge
							if self.graph[v].count([w, u]						) == 0:
								self.graph[v].append([w, u]						)
						else:
							# if u does not exist
							lowerCAmelCase__      :		int    							=      [[w, u]]







					def 			__lowerCAmelCase					(			self     :							Dict  ,lowercase_     :							Union[str, Any]  ,lowercase_     :							Dict						):
						if self.graph.get(lowercase_						):
							for _ in self.graph[u]:
								if _[1] == v:
									self.graph[u].remove(lowercase_						)
        # the other way round
						if self.graph.get(lowercase_						):
							for _ in self.graph[v]:
								if _[1] == u:
									self.graph[v].remove(lowercase_						)







					def 			__lowerCAmelCase					(			self     :							int  ,lowercase_     :							Optional[int]=-2  ,lowercase_     :							str=-1						):
						if s == d:
							return []
						lowerCAmelCase__      :		Optional[Any]    							=      []
						lowerCAmelCase__      :		Any    							=      []
						if s == -2:
							lowerCAmelCase__      :		Tuple    							=      list(self.graph						)[0]
						stack.append(lowercase_						)
						visited.append(lowercase_						)
						lowerCAmelCase__      :		int    							=      s

						while True:
							# check if there is any non isolated nodes
							if len(self.graph[s]						) != 0:
								lowerCAmelCase__      :		Optional[int]    							=      s
								for node in self.graph[s]:
									if visited.count(node[1]						) < 1:
										if node[1] == d:
											visited.append(lowercase_						)
											return visited
										else:
											stack.append(node[1]						)
											visited.append(node[1]						)
											lowerCAmelCase__      :		List[str]    							=      node[1]
											break

            # check if all the children are visited
							if s == ss:
								stack.pop()
								if len(lowercase_						) != 0:
									lowerCAmelCase__      :		str    							=      stack[len(lowercase_						) - 1]
							else:
								lowerCAmelCase__      :		Dict    							=      ss

							# check if se have reached the starting point
							if len(lowercase_						) == 0:
								return visited







					def 			__lowerCAmelCase					(			self     :							Union[str, Any]  ,lowercase_     :							List[Any]=-1						):
						if c == -1:
							lowerCAmelCase__      :		str    							=      floor(random() * 1_0_0_0_0						) + 1_0
						for i in range(lowercase_						):
							# every vertex has max 100 edges
							for _ in range(floor(random() * 1_0_2						) + 1						):
								lowerCAmelCase__      :		List[str]    							=      floor(random() * c						) + 1
								if n != i:
									self.add_pair(lowercase_  ,lowercase_  ,1						)







					def 			__lowerCAmelCase					(			self     :							Optional[Any]  ,lowercase_     :							List[Any]=-2						):
						lowerCAmelCase__      :		Tuple    							=      deque()
						lowerCAmelCase__      :		List[Any]    							=      []
						if s == -2:
							lowerCAmelCase__      :		Tuple    							=      list(self.graph						)[0]
						d.append(lowercase_						)
						visited.append(lowercase_						)
						while d:
							lowerCAmelCase__      :		Any    							=      d.popleft()
							if len(self.graph[s]						) != 0:
								for node in self.graph[s]:
									if visited.count(node[1]						) < 1:
										d.append(node[1]						)
										visited.append(node[1]						)
						return visited







					def 			__lowerCAmelCase					(			self     :							Any  ,lowercase_     :							Any						):
						return len(self.graph[u]						)







					def 			__lowerCAmelCase					(			self     :							Any						):
						lowerCAmelCase__      :		List[Any]    							=      []
						lowerCAmelCase__      :		int    							=      []
						lowerCAmelCase__      :		List[Any]    							=      list(self.graph						)[0]
						stack.append(lowercase_						)
						visited.append(lowercase_						)
						lowerCAmelCase__      :		Optional[int]    							=      -2
						lowerCAmelCase__      :		List[str]    							=      []
						lowerCAmelCase__      :		Tuple    							=      s
						lowerCAmelCase__      :		Tuple    							=      False
						lowerCAmelCase__      :		Union[str, Any]    							=      set()

						while True:
							# check if there is any non isolated nodes
							if len(self.graph[s]						) != 0:
								lowerCAmelCase__      :		Union[str, Any]    							=      s
								for node in self.graph[s]:
									if (
									    visited.count(node[1]						) > 0
									    and node[1] != parent
									    and indirect_parents.count(node[1]						) > 0
									    and not on_the_way_back
									):
										lowerCAmelCase__      :		Tuple    							=      len(lowercase_						) - 1
										while len_stack >= 0:
											if stack[len_stack] == node[1]:
												anticipating_nodes.add(node[1]						)
												break
											else:
												anticipating_nodes.add(stack[len_stack]						)
												len_stack -= 1
									if visited.count(node[1]						) < 1:
										stack.append(node[1]						)
										visited.append(node[1]						)
										lowerCAmelCase__      :		Optional[int]    							=      node[1]
										break

            # check if all the children are visited
							if s == ss:
								stack.pop()
								lowerCAmelCase__      :		Optional[int]    							=      True
								if len(lowercase_						) != 0:
									lowerCAmelCase__      :		str    							=      stack[len(lowercase_						) - 1]
							else:
								lowerCAmelCase__      :		Tuple    							=      False
								indirect_parents.append(lowercase_						)
								lowerCAmelCase__      :		Optional[int]    							=      s
								lowerCAmelCase__      :		Optional[int]    							=      ss

							# check if se have reached the starting point
							if len(lowercase_						) == 0:
								return list(lowercase_						)







					def 			__lowerCAmelCase					(			self     :							Optional[Any]						):
						lowerCAmelCase__      :		Optional[Any]    							=      []
						lowerCAmelCase__      :		Union[str, Any]    							=      []
						lowerCAmelCase__      :		Tuple    							=      list(self.graph						)[0]
						stack.append(lowercase_						)
						visited.append(lowercase_						)
						lowerCAmelCase__      :		Dict    							=      -2
						lowerCAmelCase__      :		Union[str, Any]    							=      []
						lowerCAmelCase__      :		Optional[Any]    							=      s
						lowerCAmelCase__      :		Any    							=      False
						lowerCAmelCase__      :		Optional[int]    							=      set()

						while True:
							# check if there is any non isolated nodes
							if len(self.graph[s]						) != 0:
								lowerCAmelCase__      :		str    							=      s
								for node in self.graph[s]:
									if (
									    visited.count(node[1]						) > 0
									    and node[1] != parent
									    and indirect_parents.count(node[1]						) > 0
									    and not on_the_way_back
									):
										lowerCAmelCase__      :		str    							=      len(lowercase_						) - 1
										while len_stack_minus_one >= 0:
											if stack[len_stack_minus_one] == node[1]:
												anticipating_nodes.add(node[1]						)
												break
											else:
												return True
									if visited.count(node[1]						) < 1:
										stack.append(node[1]						)
										visited.append(node[1]						)
										lowerCAmelCase__      :		List[str]    							=      node[1]
										break

            # check if all the children are visited
							if s == ss:
								stack.pop()
								lowerCAmelCase__      :		List[Any]    							=      True
								if len(lowercase_						) != 0:
									lowerCAmelCase__      :		List[str]    							=      stack[len(lowercase_						) - 1]
							else:
								lowerCAmelCase__      :		List[str]    							=      False
								indirect_parents.append(lowercase_						)
								lowerCAmelCase__      :		Optional[int]    							=      s
								lowerCAmelCase__      :		List[Any]    							=      ss

							# check if se have reached the starting point
							if len(lowercase_						) == 0:
								return False







					def 			__lowerCAmelCase					(			self     :							str						):
						return list(self.graph						)







					def 			__lowerCAmelCase					(			self     :							Any  ,lowercase_     :							Optional[int]=-2  ,lowercase_     :							Any=-1						):
						lowerCAmelCase__      :		Dict    							=      time()
						self.dfs(lowercase_  ,lowercase_						)
						lowerCAmelCase__      :		List[str]    							=      time()
						return end - begin







					def 			__lowerCAmelCase					(			self     :							Union[str, Any]  ,lowercase_     :							int=-2						):
						lowerCAmelCase__      :		Dict    							=      time()
						self.bfs(lowercase_						)
						lowerCAmelCase__      :		Any    							=      time()
						return end - begin




