
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       _snake_case   (	unittest.TestCase							):


 def      lowercase__     (					self):


   '''simple docstring'''




   lowercase__  :   Optional[Any]    		=      logging.get_logger()

   # the current default level is logging.WARNING
   lowercase__  :   Any    		=      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(SCREAMING_SNAKE_CASE_)


 def      lowercase__     (					self):


   '''simple docstring'''




   lowercase__  :   Union[str, Any]    		=      logging.get_verbosity()

   lowercase__  :   Optional[Any]    		=      logging.get_logger("""transformers.models.bart.tokenization_bart""")
   lowercase__  :   str    		=      """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(SCREAMING_SNAKE_CASE_) as cl:
       logger.warning(SCREAMING_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(SCREAMING_SNAKE_CASE_) as cl:
     logger.warning(SCREAMING_SNAKE_CASE_)
   self.assertEqual(cl.out					,  """""")

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

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


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


   '''simple docstring'''




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

   lowercase__  :   Optional[int]    		=      os.getenv("""TRANSFORMERS_VERBOSITY"""					,  SCREAMING_SNAKE_CASE_)
   lowercase__  :   Any    		=      logging.log_levels[env_level_str]

   lowercase__  :   Dict    		=      logging.get_verbosity()
   self.assertEqual(
       SCREAMING_SNAKE_CASE_					,  SCREAMING_SNAKE_CASE_					,  f'TRANSFORMERS_VERBOSITY={env_level_str}/{env_level}, but internal verbosity is {current_level}'					,  )

   # restore to the original level
   lowercase__  :   int    		=      """"""
   transformers.utils.logging._reset_library_root_logger()


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


   '''simple docstring'''




   transformers.utils.logging._reset_library_root_logger()
   lowercase__  :   str    		=      logging.logging.getLogger()
   with CaptureLogger(SCREAMING_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      lowercase__     (					self):


   '''simple docstring'''




   transformers.utils.logging._reset_library_root_logger()

   lowercase__  :   Optional[Any]    		=      logging.get_logger("""transformers.models.bart.tokenization_bart""")
   lowercase__  :   List[Any]    		=      """Testing 1, 2, 3"""

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

def 		UpperCamelCase	(      )		->	Any:


  '''simple docstring'''






  disable_progress_bar()
  assert are_progress_bars_disabled()

  enable_progress_bar()
  assert not are_progress_bars_disabled()






from __future__ import annotations

from collections.abc import Iterator
from typing import Any



class       _snake_case   :


 def __init__(					self					,  SCREAMING_SNAKE_CASE_):


   '''simple docstring'''




   lowercase__  :   Any    		=      data
   lowercase__  :   Node | None    		=      None



class       _snake_case   :


 def __init__(					self):


   '''simple docstring'''




   lowercase__  :   List[Any]    		=      None
   lowercase__  :   int    		=      None


 def __iter__(					self):


   '''simple docstring'''




   lowercase__  :   List[str]    		=      self.head
   while self.head:
     yield node.data
     lowercase__  :   str    		=      node.next
     if node == self.head:
       break


 def __len__(					self):


   '''simple docstring'''




   return sum(1 for _ in self)


 def __repr__(					self):


   '''simple docstring'''




   return "->".join(str(SCREAMING_SNAKE_CASE_) for item in iter(self))


 def      lowercase__     (					self					,  SCREAMING_SNAKE_CASE_):


   '''simple docstring'''




   self.insert_nth(len(self)					,  SCREAMING_SNAKE_CASE_)


 def      lowercase__     (					self					,  SCREAMING_SNAKE_CASE_):


   '''simple docstring'''




   self.insert_nth(0					,  SCREAMING_SNAKE_CASE_)


 def      lowercase__     (					self					,  SCREAMING_SNAKE_CASE_					,  SCREAMING_SNAKE_CASE_):


   '''simple docstring'''




   if index < 0 or index > len(self):
     raise IndexError("""list index out of range.""")
   lowercase__  :   Optional[int]    		=      Node(SCREAMING_SNAKE_CASE_)
   if self.head is None:
     lowercase__  :   Union[str, Any]    		=      new_node  # first node points itself
     lowercase__  :   Dict    		=      new_node
   elif index == 0:  # insert at head
     lowercase__  :   int    		=      self.head
     lowercase__  :   int    		=      new_node
   else:
     lowercase__  :   List[str]    		=      self.head
     for _ in range(index - 1):
       lowercase__  :   Union[str, Any]    		=      temp.next
     lowercase__  :   int    		=      temp.next
     lowercase__  :   Optional[Any]    		=      new_node
     if index == len(self) - 1:  # insert at tail
       lowercase__  :   Union[str, Any]    		=      new_node


 def      lowercase__     (					self):


   '''simple docstring'''




   return self.delete_nth(0)


 def      lowercase__     (					self):


   '''simple docstring'''




   return self.delete_nth(len(self) - 1)


 def      lowercase__     (					self					,  SCREAMING_SNAKE_CASE_ = 0):


   '''simple docstring'''




   if not 0 <= index < len(self):
     raise IndexError("""list index out of range.""")
   lowercase__  :   str    		=      self.head
   if self.head == self.tail:  # just one node
     lowercase__  :   List[Any]    		=      None
   elif index == 0:  # delete head node
     lowercase__  :   str    		=      self.tail.next.next
     lowercase__  :   List[Any]    		=      self.head.next
   else:
     lowercase__  :   Optional[int]    		=      self.head
     for _ in range(index - 1):
       lowercase__  :   List[Any]    		=      temp.next
     lowercase__  :   Optional[Any]    		=      temp.next
     lowercase__  :   Dict    		=      temp.next.next
     if index == len(self) - 1:  # delete at tail
       lowercase__  :   Tuple    		=      temp
   return delete_node.data



 def      lowercase__     (					self):


   '''simple docstring'''




   return len(self) == 0

def 		UpperCamelCase	(      )		->	None:


  '''simple docstring'''






  lowercase__  :   int    		=      CircularLinkedList()
  assert len(lowercase_   ) == 0
  assert circular_linked_list.is_empty() is True
  assert str(lowercase_   ) == ""

  try:
    circular_linked_list.delete_front()
    raise AssertionError  # This should not happen
  except IndexError:
    assert True  # This should happen

  try:
    circular_linked_list.delete_tail()
    raise AssertionError  # This should not happen
  except IndexError:
    assert True  # This should happen

  try:
    circular_linked_list.delete_nth(-1   )
    raise AssertionError
  except IndexError:
    assert True

  try:
    circular_linked_list.delete_nth(0   )
    raise AssertionError
  except IndexError:
    assert True

  assert circular_linked_list.is_empty() is True
  for i in range(5   ):
    assert len(lowercase_   ) == i
    circular_linked_list.insert_nth(lowercase_ , i + 1   )
  assert str(lowercase_   ) == "->".join(str(lowercase_   ) for i in range(1 , 6   )   )

  circular_linked_list.insert_tail(6   )
  assert str(lowercase_   ) == "->".join(str(lowercase_   ) for i in range(1 , 7   )   )
  circular_linked_list.insert_head(0   )
  assert str(lowercase_   ) == "->".join(str(lowercase_   ) for i in range(0 , 7   )   )

  assert circular_linked_list.delete_front() == 0
  assert circular_linked_list.delete_tail() == 6
  assert str(lowercase_   ) == "->".join(str(lowercase_   ) for i in range(1 , 6   )   )
  assert circular_linked_list.delete_nth(2   ) == 3

  circular_linked_list.insert_nth(2 , 3   )
  assert str(lowercase_   ) == "->".join(str(lowercase_   ) for i in range(1 , 6   )   )

  assert circular_linked_list.is_empty() is False


if __name__ == "__main__":
     import doctest

     doctest.testmod()






