


import os
import unittest

from huggingface_hub.utils import are_progress_bars_disabled

import transformers.models.bart.tokenization_bart
from transformers import logging
from transformers.testing_utils import CaptureLogger, mockenv, mockenv_context
from transformers.utils.logging import disable_progress_bar, enable_progress_bar







class        lowerCamelCase__	(							unittest.TestCase      ):






			"""simple docstring"""






			def 				snake_case__				(							self     ):

						'''simple docstring'''


						UpperCamelCase__					=       logging.get_logger()

						# the current default level is logging.WARNING
						UpperCamelCase__					=       logging.get_verbosity()

						logging.set_verbosity_error()
						self.assertEqual(logger.getEffectiveLevel()      ,						logging.get_verbosity()     )

						logging.set_verbosity_warning()
						self.assertEqual(logger.getEffectiveLevel()      ,						logging.get_verbosity()     )

						logging.set_verbosity_info()
						self.assertEqual(logger.getEffectiveLevel()      ,						logging.get_verbosity()     )

						logging.set_verbosity_debug()
						self.assertEqual(logger.getEffectiveLevel()      ,						logging.get_verbosity()     )

						# restore to the original level
						logging.set_verbosity(snake_case     )




			def 				snake_case__				(							self     ):

						'''simple docstring'''


						UpperCamelCase__					=       logging.get_verbosity()

						UpperCamelCase__					=       logging.get_logger("transformers.models.bart.tokenization_bart"     )
						UpperCamelCase__					=       "Testing 1, 2, 3"

						# should be able to log warnings (if default settings weren't overridden by `pytest --log-level-all`)
						if level_origin <= logging.WARNING:
									with CaptureLogger(snake_case     ) as cl:
												logger.warning(snake_case     )
									self.assertEqual(cl.out      ,						msg + "\n"     )

						# this is setting the level for all of `transformers.*` loggers
						logging.set_verbosity_error()

						# should not be able to log warnings
						with CaptureLogger(snake_case     ) as cl:
									logger.warning(snake_case     )
						self.assertEqual(cl.out      ,						""     )

						# should be able to log warnings again
						logging.set_verbosity_warning()
						with CaptureLogger(snake_case     ) as cl:
									logger.warning(snake_case     )
						self.assertEqual(cl.out      ,						msg + "\n"     )

						# restore to the original level
						logging.set_verbosity(snake_case     )




			@mockenv(TRANSFORMERS_VERBOSITY="error"     )
			def 				snake_case__				(							self     ):

						'''simple docstring'''


						transformers.utils.logging._reset_library_root_logger()
						# this action activates the env var
						UpperCamelCase__					=       logging.get_logger("transformers.models.bart.tokenization_bart"     )

						UpperCamelCase__					=       os.getenv("TRANSFORMERS_VERBOSITY"      ,						snake_case     )
						UpperCamelCase__					=       logging.log_levels[env_level_str]

						UpperCamelCase__					=       logging.get_verbosity()
						self.assertEqual(
						    snake_case      ,						snake_case      ,						F'''TRANSFORMERS_VERBOSITY={env_level_str}/{env_level}, but internal verbosity is {current_level}'''      ,						)

						# restore to the original level
						UpperCamelCase__					=       ""
						transformers.utils.logging._reset_library_root_logger()




			@mockenv(TRANSFORMERS_VERBOSITY="super-error"     )
			def 				snake_case__				(							self     ):

						'''simple docstring'''


						transformers.utils.logging._reset_library_root_logger()
						UpperCamelCase__					=       logging.logging.getLogger()
						with CaptureLogger(snake_case     ) as cl:
									# this action activates the env var
									logging.get_logger("transformers.models.bart.tokenization_bart"     )
						self.assertIn("Unknown option TRANSFORMERS_VERBOSITY=super-error"      ,						cl.out     )

						# no need to restore as nothing was changed







			def 				snake_case__				(							self     ):

						'''simple docstring'''


						transformers.utils.logging._reset_library_root_logger()

						UpperCamelCase__					=       logging.get_logger("transformers.models.bart.tokenization_bart"     )
						UpperCamelCase__					=       "Testing 1, 2, 3"

						with mockenv_context(TRANSFORMERS_NO_ADVISORY_WARNINGS="1"     ):
									# nothing should be logged as env var disables this method
									with CaptureLogger(snake_case     ) as cl:
												logger.warning_advice(snake_case     )
									self.assertEqual(cl.out      ,						""     )

						with mockenv_context(TRANSFORMERS_NO_ADVISORY_WARNINGS=""     ):
									# should log normally as TRANSFORMERS_NO_ADVISORY_WARNINGS is unset
									with CaptureLogger(snake_case     ) as cl:
												logger.warning_advice(snake_case     )
									self.assertEqual(cl.out      ,						msg + "\n"     )



def        UpperCamelCase_(				)->		List[Any]:
			disable_progress_bar()
			assert are_progress_bars_disabled()

			enable_progress_bar()
			assert not are_progress_bars_disabled()






from typing import Any







class        lowerCamelCase__	:






			"""simple docstring"""






			def __init__(							self      ,						snake_case     ):

						'''simple docstring'''


						UpperCamelCase__					=       data
						UpperCamelCase__					=       None







class        lowerCamelCase__	:






			"""simple docstring"""






			def __init__(							self     ):

						'''simple docstring'''


						UpperCamelCase__					=       None




			def 				snake_case__				(							self     ):

						'''simple docstring'''


						UpperCamelCase__					=       self.head
						while temp is not None:
									print(temp.data      ,						end=" "     )
									UpperCamelCase__					=       temp.next
						print()




			def 				snake_case__				(							self      ,						snake_case     ):

						'''simple docstring'''


						UpperCamelCase__					=       Node(snake_case     )
						UpperCamelCase__					=       self.head
						UpperCamelCase__					=       new_node







			def 				snake_case__				(							self      ,						snake_case      ,						snake_case     ):

						'''simple docstring'''


						if node_data_a == node_data_a:
									return
						else:
									UpperCamelCase__					=       self.head
									while node_a is not None and node_a.data != node_data_a:
												UpperCamelCase__					=       node_a.next

									UpperCamelCase__					=       self.head
									while node_a is not None and node_a.data != node_data_a:
												UpperCamelCase__					=       node_a.next

									if node_a is None or node_a is None:
												return

									UpperCamelCase__,      UpperCamelCase__					=       node_a.data, node_a.data


if __name__ == "__main__":
						__UpperCamelCase    		=       LinkedList()
						for i in range(5, 0, -1):
												ll.push(i)

						ll.print_list()

						ll.swap_nodes(1, 4)
						print('After swapping')
						ll.print_list()


