
from __future__ import annotations

from random import random
from typing import Generic, TypeVar

lowerCamelCase__    :		Optional[Any]          =   TypeVar("""KT""")
lowerCamelCase__    :		str          =   TypeVar("""VT""")



class       _snake_case   (	Generic[KT, VT]							):


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


   '''simple docstring'''




   lowercase__  :   Union[str, Any]    		=      key
   lowercase__  :   List[Any]    		=      value
   lowercase__  :   list[Node[KT, VT]]    		=      []


 def __repr__(					self):


   '''simple docstring'''




   return f'Node({self.key}: {self.value})'



 @property
 def      lowercase__     (					self):


   '''simple docstring'''




   return len(self.forward)



class       _snake_case   (	Generic[KT, VT]							):


 def __init__(					self					,  SCREAMING_SNAKE_CASE_ = 0.5					,  SCREAMING_SNAKE_CASE_ = 16):


   '''simple docstring'''




   lowercase__  :   Node[KT, VT]    		=      Node[KT, VT]()
   lowercase__  :   List[Any]    		=      0
   lowercase__  :   str    		=      p
   lowercase__  :   Dict    		=      max_level


 def __str__(					self):


   '''simple docstring'''




   lowercase__  :   Union[str, Any]    		=      list(self)

   if len(SCREAMING_SNAKE_CASE_) == 0:
     return f'SkipList(level={self.level})'

   lowercase__  :   Any    		=      max((len(str(SCREAMING_SNAKE_CASE_)) for item in items)					,  default=4)
   lowercase__  :   int    		=      max(SCREAMING_SNAKE_CASE_					,  4) + 4

   lowercase__  :   int    		=      self.head
   lowercase__  :   str    		=      []

   lowercase__  :   Union[str, Any]    		=      node.forward.copy()
   lines.append(f'[{node.key}]'.ljust(SCREAMING_SNAKE_CASE_					,  """-""") + """* """ * len(SCREAMING_SNAKE_CASE_))
   lines.append(""" """ * label_size + """| """ * len(SCREAMING_SNAKE_CASE_))

   while len(node.forward) != 0:
     lowercase__  :   Optional[int]    		=      node.forward[0]

     lines.append(
         f'[{node.key}]'.ljust(SCREAMING_SNAKE_CASE_					,  """-""")
         + """ """.join(str(n.key) if n.key == node.key else """|""" for n in forwards))
     lines.append(""" """ * label_size + """| """ * len(SCREAMING_SNAKE_CASE_))
     lowercase__  :   Optional[int]    		=      node.forward

   lines.append("""None""".ljust(SCREAMING_SNAKE_CASE_) + """* """ * len(SCREAMING_SNAKE_CASE_))
   return f'SkipList(level={self.level})\n' + "\n".join(SCREAMING_SNAKE_CASE_)


 def __iter__(					self):


   '''simple docstring'''




   lowercase__  :   Optional[int]    		=      self.head

   while len(node.forward) != 0:
     yield node.forward[0].key
     lowercase__  :   Union[str, Any]    		=      node.forward[0]


 def      lowercase__     (					self):


   '''simple docstring'''




   lowercase__  :   Union[str, Any]    		=      1
   while random() < self.p and level < self.max_level:
     level += 1

   return level


 def      lowercase__     (					self					,  SCREAMING_SNAKE_CASE_):


   '''simple docstring'''




   lowercase__  :   Union[str, Any]    		=      []

   lowercase__  :   Dict    		=      self.head

   for i in reversed(range(self.level)):
     # i < node.level - When node level is lesser than `i` decrement `i`.
     # node.forward[i].key < key - Jumping to node with key value higher
     #                             or equal to searched key would result
     #                             in skipping searched key.
     while i < node.level and node.forward[i].key < key:
       lowercase__  :   List[str]    		=      node.forward[i]
     # Each leftmost node (relative to searched node) will potentially have to
     # be updated.
     update_vector.append(SCREAMING_SNAKE_CASE_)

   update_vector.reverse()  # Note that we were inserting values in reverse order.

   # len(node.forward) != 0 - If current node doesn't contain any further
   #                          references then searched key is not present.
   # node.forward[0].key == key - Next node key should be equal to search key
   #                              if key is present.
   if len(node.forward) != 0 and node.forward[0].key == key:
     return node.forward[0], update_vector
   else:
     return None, update_vector


 def      lowercase__     (					self					,  SCREAMING_SNAKE_CASE_):


   '''simple docstring'''




   lowercase__		,    lowercase__  :   Optional[int]    		=      self._locate_node(SCREAMING_SNAKE_CASE_)

   if node is not None:
     for i, update_node in enumerate(SCREAMING_SNAKE_CASE_):
       # Remove or replace all references to removed node.
       if update_node.level > i and update_node.forward[i].key == key:
         if node.level > i:
           lowercase__  :   int    		=      node.forward[i]
         else:
           lowercase__  :   List[Any]    		=      update_node.forward[:i]


 def      lowercase__     (					self					,  SCREAMING_SNAKE_CASE_					,  SCREAMING_SNAKE_CASE_):


   '''simple docstring'''




   lowercase__		,    lowercase__  :   Union[str, Any]    		=      self._locate_node(SCREAMING_SNAKE_CASE_)
   if node is not None:
     lowercase__  :   str    		=      value
   else:
     lowercase__  :   Union[str, Any]    		=      self.random_level()

     if level > self.level:
       # After level increase we have to add additional nodes to head.
       for _ in range(self.level - 1					,  SCREAMING_SNAKE_CASE_):
         update_vector.append(self.head)
       lowercase__  :   int    		=      level

     lowercase__  :   Optional[int]    		=      Node(SCREAMING_SNAKE_CASE_					,  SCREAMING_SNAKE_CASE_)

     for i, update_node in enumerate(update_vector[:level]):
       # Change references to pass through new node.
       if update_node.level > i:
         new_node.forward.append(update_node.forward[i])

       if update_node.level < i + 1:
         update_node.forward.append(SCREAMING_SNAKE_CASE_)
       else:
         lowercase__  :   int    		=      new_node



 def      lowercase__     (					self					,  SCREAMING_SNAKE_CASE_):


   '''simple docstring'''




   lowercase__		,    lowercase__  :   str    		=      self._locate_node(SCREAMING_SNAKE_CASE_)

   if node is not None:
     return node.value

   return None

def 		UpperCamelCase	(      )		->	List[str]:


  '''simple docstring'''






  lowercase__  :   int    		=      SkipList()
  skip_list.insert("""Key1""" , 3   )
  skip_list.insert("""Key2""" , 12   )
  skip_list.insert("""Key3""" , 41   )
  skip_list.insert("""Key4""" , -19   )

  lowercase__  :   List[str]    		=      skip_list.head
  lowercase__  :   Union[str, Any]    		=      {}
  while node.level != 0:
    lowercase__  :   Optional[int]    		=      node.forward[0]
    lowercase__  :   Union[str, Any]    		=      node.value

  assert len(lowercase_   ) == 4
  assert all_values["Key1"] == 3
  assert all_values["Key2"] == 12
  assert all_values["Key3"] == 41
  assert all_values["Key4"] == -19

def 		UpperCamelCase	(      )		->	Optional[Any]:


  '''simple docstring'''






  lowercase__  :   Dict    		=      SkipList()
  skip_list.insert("""Key1""" , 10   )
  skip_list.insert("""Key1""" , 12   )

  skip_list.insert("""Key5""" , 7   )
  skip_list.insert("""Key7""" , 10   )
  skip_list.insert("""Key10""" , 5   )

  skip_list.insert("""Key7""" , 7   )
  skip_list.insert("""Key5""" , 5   )
  skip_list.insert("""Key10""" , 10   )

  lowercase__  :   Optional[int]    		=      skip_list.head
  lowercase__  :   Optional[int]    		=      {}
  while node.level != 0:
    lowercase__  :   int    		=      node.forward[0]
    lowercase__  :   str    		=      node.value

  if len(lowercase_   ) != 4:
    print()
  assert len(lowercase_   ) == 4
  assert all_values["Key1"] == 12
  assert all_values["Key7"] == 7
  assert all_values["Key5"] == 5
  assert all_values["Key10"] == 10

def 		UpperCamelCase	(      )		->	Optional[int]:


  '''simple docstring'''






  lowercase__  :   Optional[Any]    		=      SkipList()
  assert skip_list.find("""Some key"""   ) is None

def 		UpperCamelCase	(      )		->	int:


  '''simple docstring'''






  lowercase__  :   List[Any]    		=      SkipList()

  skip_list.insert("""Key2""" , 20   )
  assert skip_list.find("""Key2"""   ) == 20

  skip_list.insert("""Some Key""" , 10   )
  skip_list.insert("""Key2""" , 8   )
  skip_list.insert("""V""" , 13   )

  assert skip_list.find("""Y"""   ) is None
  assert skip_list.find("""Key2"""   ) == 8
  assert skip_list.find("""Some Key"""   ) == 10
  assert skip_list.find("""V"""   ) == 13

def 		UpperCamelCase	(      )		->	str:


  '''simple docstring'''






  lowercase__  :   int    		=      SkipList()
  skip_list.delete("""Some key"""   )

  assert len(skip_list.head.forward   ) == 0

def 		UpperCamelCase	(      )		->	List[str]:


  '''simple docstring'''






  lowercase__  :   Any    		=      SkipList()

  skip_list.insert("""Key1""" , 12   )
  skip_list.insert("""V""" , 13   )
  skip_list.insert("""X""" , 14   )
  skip_list.insert("""Key2""" , 15   )

  skip_list.delete("""V"""   )
  skip_list.delete("""Key2"""   )

  assert skip_list.find("""V"""   ) is None
  assert skip_list.find("""Key2"""   ) is None

def 		UpperCamelCase	(      )		->	Optional[int]:


  '''simple docstring'''






  lowercase__  :   Optional[Any]    		=      SkipList()

  skip_list.insert("""Key1""" , 12   )
  skip_list.insert("""V""" , 13   )
  skip_list.insert("""X""" , 14   )
  skip_list.insert("""Key2""" , 15   )

  skip_list.delete("""V"""   )
  assert skip_list.find("""V"""   ) is None
  assert skip_list.find("""X"""   ) == 14
  assert skip_list.find("""Key1"""   ) == 12
  assert skip_list.find("""Key2"""   ) == 15

  skip_list.delete("""X"""   )
  assert skip_list.find("""V"""   ) is None
  assert skip_list.find("""X"""   ) is None
  assert skip_list.find("""Key1"""   ) == 12
  assert skip_list.find("""Key2"""   ) == 15

  skip_list.delete("""Key1"""   )
  assert skip_list.find("""V"""   ) is None
  assert skip_list.find("""X"""   ) is None
  assert skip_list.find("""Key1"""   ) is None
  assert skip_list.find("""Key2"""   ) == 15

  skip_list.delete("""Key2"""   )
  assert skip_list.find("""V"""   ) is None
  assert skip_list.find("""X"""   ) is None
  assert skip_list.find("""Key1"""   ) is None
  assert skip_list.find("""Key2"""   ) is None

def 		UpperCamelCase	(      )		->	Dict:


  '''simple docstring'''






  lowercase__  :   Dict    		=      SkipList()

  skip_list.insert("""Key1""" , 12   )
  skip_list.insert("""V""" , 13   )
  skip_list.insert("""X""" , 1_42   )
  skip_list.insert("""Key2""" , 15   )

  skip_list.delete("""X"""   )

  def traverse_keys(lowercase_   ):
    yield node.key
    for forward_node in node.forward:
      yield from traverse_keys(lowercase_   )

  assert len(set(traverse_keys(skip_list.head   )   )   ) == 4

def 		UpperCamelCase	(      )		->	Union[str, Any]:


  '''simple docstring'''






  def is_sorted(lowercase_   ):
    return all(next_item >= item for item, next_item in zip(lowercase_ , lst[1:]   )   )

  lowercase__  :   List[str]    		=      SkipList()
  for i in range(10   ):
    skip_list.insert(lowercase_ , lowercase_   )
  assert is_sorted(list(lowercase_   )   )
  skip_list.delete(5   )
  skip_list.delete(8   )
  skip_list.delete(2   )
  assert is_sorted(list(lowercase_   )   )
  skip_list.insert(-12 , -12   )
  skip_list.insert(77 , 77   )
  assert is_sorted(list(lowercase_   )   )

def 		UpperCamelCase	(      )		->	List[str]:


  '''simple docstring'''






  for _ in range(1_00   ):
    # Repeat test 100 times due to the probabilistic nature of skip list
    # random values == random bugs
    test_insert()
    test_insert_overrides_existing_value()

    test_searching_empty_list_returns_none()
    test_search()

    test_deleting_item_from_empty_list_do_nothing()
    test_deleted_items_are_not_founded_by_find_method()
    test_delete_removes_only_given_key()
    test_delete_doesnt_leave_dead_nodes()

    test_iter_always_yields_sorted_values()

def 		UpperCamelCase	(      )		->	Tuple:


  '''simple docstring'''






  lowercase__  :   Optional[Any]    		=      SkipList()
  skip_list.insert(2 , """2"""   )
  skip_list.insert(4 , """4"""   )
  skip_list.insert(6 , """4"""   )
  skip_list.insert(4 , """5"""   )
  skip_list.insert(8 , """4"""   )
  skip_list.insert(9 , """4"""   )

  skip_list.delete(4   )

  print(lowercase_   )


if __name__ == "__main__":
     import doctest

     doctest.testmod()
     main()








import argparse
import os
import re


lowerCamelCase__    :		List[Any]          =   """src/transformers"""

# Pattern that looks at the indentation in a line.
lowerCamelCase__    :		Union[str, Any]          =   re.compile(R"""^(\s*)\S""")
# Pattern that matches `"key":" and puts `key` in group 0.
lowerCamelCase__    :		Any          =   re.compile(R"""^\s*\"([^\"]+)\":""")
# Pattern that matches `_import_structure["key"]` and puts `key` in group 0.
lowerCamelCase__    :		int          =   re.compile(R"""^\s*_import_structure\[\"([^\"]+)\"\]""")
# Pattern that matches `"key",` and puts `key` in group 0.
lowerCamelCase__    :		List[Any]          =   re.compile(R"""^\s*\"([^\"]+)\",\s*$""")
# Pattern that matches any `[stuff]` and puts `stuff` in group 0.
lowerCamelCase__    :		str          =   re.compile(R"""\[([^\]]+)\]""")

def 		UpperCamelCase	(      lowercase_   )		->	Union[str, Any]:


  '''simple docstring'''






  lowercase__  :   Optional[Any]    		=      _re_indent.search(lowercase_   )
  return "" if search is None else search.groups()[0]

def 		UpperCamelCase	(      lowercase_ , lowercase_="" , lowercase_=None , lowercase_=None   )		->	Dict:


  '''simple docstring'''






  lowercase__  :   List[str]    		=      0
  lowercase__  :   List[Any]    		=      code.split("""\n"""   )
  if start_prompt is not None:
    while not lines[index].startswith(lowercase_   ):
      index += 1
    lowercase__  :   List[str]    		=      ["""\n""".join(lines[:index]   )]
  else:
    lowercase__  :   Optional[Any]    		=      []

  # We split into blocks until we get to the `end_prompt` (or the end of the block).
  lowercase__  :   List[Any]    		=      [lines[index]]
  index += 1
  while index < len(lowercase_   ) and (end_prompt is None or not lines[index].startswith(lowercase_   )):
    if len(lines[index]   ) > 0 and get_indent(lines[index]   ) == indent_level:
      if len(lowercase_   ) > 0 and get_indent(current_block[-1]   ).startswith(indent_level + """ """   ):
        current_block.append(lines[index]   )
        blocks.append("""\n""".join(lowercase_   )   )
        if index < len(lowercase_   ) - 1:
          lowercase__  :   str    		=      [lines[index + 1]]
          index += 1
        else:
          lowercase__  :   Union[str, Any]    		=      []
      else:
        blocks.append("""\n""".join(lowercase_   )   )
        lowercase__  :   Tuple    		=      [lines[index]]
    else:
      current_block.append(lines[index]   )
    index += 1

  # Adds current block if it's nonempty.
  if len(lowercase_   ) > 0:
    blocks.append("""\n""".join(lowercase_   )   )

  # Add final block after end_prompt if provided.
  if end_prompt is not None and index < len(lowercase_   ):
    blocks.append("""\n""".join(lines[index:]   )   )

  return blocks

def 		UpperCamelCase	(      lowercase_   )		->	List[Any]:


  '''simple docstring'''






  def _inner(lowercase_   ):
    return key(lowercase_   ).lower().replace("""_""" , """"""   )

  return _inner

def 		UpperCamelCase	(      lowercase_ , lowercase_=None   )		->	Optional[Any]:


  '''simple docstring'''






  def noop(lowercase_   ):
    return x

  if key is None:
    lowercase__  :   Dict    		=      noop
  # Constants are all uppercase, they go first.
  lowercase__  :   Dict    		=      [obj for obj in objects if key(lowercase_   ).isupper()]
  # Classes are not all uppercase but start with a capital, they go second.
  lowercase__  :   Any    		=      [obj for obj in objects if key(lowercase_   )[0].isupper() and not key(lowercase_   ).isupper()]
  # Functions begin with a lowercase, they go last.
  lowercase__  :   Optional[int]    		=      [obj for obj in objects if not key(lowercase_   )[0].isupper()]

  lowercase__  :   Tuple    		=      ignore_underscore(lowercase_   )
  return sorted(lowercase_ , key=lowercase_   ) + sorted(lowercase_ , key=lowercase_   ) + sorted(lowercase_ , key=lowercase_   )

def 		UpperCamelCase	(      lowercase_   )		->	Tuple:


  '''simple docstring'''






  def _replace(lowercase_   ):
    lowercase__  :   int    		=      match.groups()[0]
    if "," not in imports:
      return F'[{imports}]'
    lowercase__  :   Union[str, Any]    		=      [part.strip().replace("""\"""" , """"""   ) for part in imports.split(""","""   )]
    # We will have a final empty element if the line finished with a comma.
    if len(keys[-1]   ) == 0:
      lowercase__  :   int    		=      keys[:-1]
    return "[" + ", ".join([F'"{k}"' for k in sort_objects(lowercase_   )]   ) + "]"

  lowercase__  :   Any    		=      import_statement.split("""\n"""   )
  if len(lowercase_   ) > 3:
    # Here we have to sort internal imports that are on several lines (one per name):
    # key: [
    #     "object1",
    #     "object2",
    #     ...
    # ]

    # We may have to ignore one or two lines on each side.
    lowercase__  :   Tuple    		=      2 if lines[1].strip() == """[""" else 1
    lowercase__  :   Optional[int]    		=      [(i, _re_strip_line.search(lowercase_   ).groups()[0]) for i, line in enumerate(lines[idx:-idx]   )]
    lowercase__  :   Optional[Any]    		=      sort_objects(lowercase_ , key=lambda lowercase_   : x[1]   )
    lowercase__  :   Union[str, Any]    		=      [lines[x[0] + idx] for x in sorted_indices]
    return "\n".join(lines[:idx] + sorted_lines + lines[-idx:]   )
  elif len(lowercase_   ) == 3:
    # Here we have to sort internal imports that are on one separate line:
    # key: [
    #     "object1", "object2", ...
    # ]
    if _re_bracket_content.search(lines[1]   ) is not None:
      lowercase__  :   List[str]    		=      _re_bracket_content.sub(_replace , lines[1]   )
    else:
      lowercase__  :   Optional[int]    		=      [part.strip().replace("""\"""" , """"""   ) for part in lines[1].split(""","""   )]
      # We will have a final empty element if the line finished with a comma.
      if len(keys[-1]   ) == 0:
        lowercase__  :   Optional[int]    		=      keys[:-1]
      lowercase__  :   int    		=      get_indent(lines[1]   ) + """, """.join([F'"{k}"' for k in sort_objects(lowercase_   )]   )
    return "\n".join(lowercase_   )
  else:
    # Finally we have to deal with imports fitting on one line
    lowercase__  :   Any    		=      _re_bracket_content.sub(_replace , lowercase_   )
    return import_statement

def 		UpperCamelCase	(      lowercase_ , lowercase_=True   )		->	Optional[int]:


  '''simple docstring'''






  with open(lowercase_ , encoding="""utf-8"""   ) as f:
    lowercase__  :   str    		=      f.read()

  if "_import_structure" not in code:
    return

  # Blocks of indent level 0
  lowercase__  :   Any    		=      split_code_in_indented_blocks(
      lowercase_ , start_prompt="""_import_structure = {""" , end_prompt="""if TYPE_CHECKING:"""   )

  # We ignore block 0 (everything untils start_prompt) and the last block (everything after end_prompt).
  for block_idx in range(1 , len(lowercase_   ) - 1   ):
    # Check if the block contains some `_import_structure`s thingy to sort.
    lowercase__  :   List[str]    		=      main_blocks[block_idx]
    lowercase__  :   str    		=      block.split("""\n"""   )

    # Get to the start of the imports.
    lowercase__  :   Optional[Any]    		=      0
    while line_idx < len(lowercase_   ) and "_import_structure" not in block_lines[line_idx]:
      # Skip dummy import blocks
      if "import dummy" in block_lines[line_idx]:
        lowercase__  :   int    		=      len(lowercase_   )
      else:
        line_idx += 1
    if line_idx >= len(lowercase_   ):
      continue

    # Ignore beginning and last line: they don't contain anything.
    lowercase__  :   List[str]    		=      """\n""".join(block_lines[line_idx:-1]   )
    lowercase__  :   Dict    		=      get_indent(block_lines[1]   )
    # Slit the internal block into blocks of indent level 1.
    lowercase__  :   List[str]    		=      split_code_in_indented_blocks(lowercase_ , indent_level=lowercase_   )
    # We have two categories of import key: list or _import_structure[key].append/extend
    lowercase__  :   Optional[int]    		=      _re_direct_key if """_import_structure = {""" in block_lines[0] else _re_indirect_key
    # Grab the keys, but there is a trap: some lines are empty or just comments.
    lowercase__  :   Optional[Any]    		=      [(pattern.search(lowercase_   ).groups()[0] if pattern.search(lowercase_   ) is not None else None) for b in internal_blocks]
    # We only sort the lines with a key.
    lowercase__  :   List[Any]    		=      [(i, key) for i, key in enumerate(lowercase_   ) if key is not None]
    lowercase__  :   Optional[int]    		=      [x[0] for x in sorted(lowercase_ , key=lambda lowercase_   : x[1]   )]

    # We reorder the blocks by leaving empty lines/comments as they were and reorder the rest.
    lowercase__  :   Any    		=      0
    lowercase__  :   Optional[Any]    		=      []
    for i in range(len(lowercase_   )   ):
      if keys[i] is None:
        reorderded_blocks.append(internal_blocks[i]   )
      else:
        lowercase__  :   Optional[Any]    		=      sort_objects_in_import(internal_blocks[sorted_indices[count]]   )
        reorderded_blocks.append(lowercase_   )
        count += 1

        # And we put our main block back together with its first and last line.
    lowercase__  :   Union[str, Any]    		=      """\n""".join(block_lines[:line_idx] + reorderded_blocks + [block_lines[-1]]   )

  if code != "\n".join(lowercase_   ):
    if check_only:
      return True
    else:
      print(F'Overwriting {file}.'   )
      with open(lowercase_ , """w""" , encoding="""utf-8"""   ) as f:
        f.write("""\n""".join(lowercase_   )   )

def 		UpperCamelCase	(      lowercase_=True   )		->	Optional[int]:


  '''simple docstring'''






  lowercase__  :   int    		=      []
  for root, _, files in os.walk(lowercase_   ):
    if "__init__.py" in files:
      lowercase__  :   Dict    		=      sort_imports(os.path.join(lowercase_ , """__init__.py"""   ) , check_only=lowercase_   )
      if result:
        lowercase__  :   List[str]    		=      [os.path.join(lowercase_ , """__init__.py"""   )]
  if len(lowercase_   ) > 0:
    raise ValueError(F'Would overwrite {len(lowercase_   )} files, run `make style`.'   )


if __name__ == "__main__":
     lowerCamelCase__    :		int          =   argparse.ArgumentParser()
     parser.add_argument("""--check_only""", action="""store_true""", help="""Whether to only check or fix style.""")
     lowerCamelCase__    :		List[Any]          =   parser.parse_args()

     sort_imports_in_all_inits(check_only=args.check_only)






