



import argparse
import os
import re


__lowerCamelCase         =			'''src/transformers'''

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







def    _snake_case (       __snake_case    )     ->     List[Any]:






      '''simple docstring'''







      UpperCAmelCase_  :	List[Any]				      =		_re_indent.search(__snake_case    )
      return "" if search is None else search.groups()[0]







def    _snake_case (       __snake_case					,  __snake_case=""					,  __snake_case=None					,  __snake_case=None    )     ->     Union[str, Any]:






      '''simple docstring'''







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

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

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

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

      return blocks







def    _snake_case (       __snake_case    )     ->     Any:






      '''simple docstring'''







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

      return _inner







def    _snake_case (       __snake_case					,  __snake_case=None    )     ->     Dict:






      '''simple docstring'''







      def noop(__snake_case    ):
            return x

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

      UpperCAmelCase_  :	List[Any]				      =		ignore_underscore(__snake_case    )
      return sorted(__snake_case					,  key=__snake_case    ) + sorted(__snake_case					,  key=__snake_case    ) + sorted(__snake_case					,  key=__snake_case    )







def    _snake_case (       __snake_case    )     ->     Optional[int]:






      '''simple docstring'''







      def _replace(__snake_case    ):
            UpperCAmelCase_  :	str				      =		match.groups()[0]
            if "," not in imports:
                  return F"""[{imports}]"""
            UpperCAmelCase_  :	List[str]				      =		[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:
                  UpperCAmelCase_  :	Tuple				      =		keys[:-1]
            return "[" + ", ".join([F"""\"{k}\"""" for k in sort_objects(__snake_case    )]    ) + "]"

      UpperCAmelCase_  :	List[Any]				      =		import_statement.split("\n"    )
      if len(__snake_case    ) > 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.
            UpperCAmelCase_  :	int				      =		2 if lines[1].strip() == '''[''' else 1
            UpperCAmelCase_  :	Optional[Any]				      =		[(i, _re_strip_line.search(__snake_case    ).groups()[0]) for i, line in enumerate(lines[idx:-idx]    )]
            UpperCAmelCase_  :	str				      =		sort_objects(__snake_case					,  key=lambda __snake_case    : x[1]    )
            UpperCAmelCase_  :	Tuple				      =		[lines[x[0] + idx] for x in sorted_indices]
            return "\n".join(lines[:idx] + sorted_lines + lines[-idx:]    )
      elif len(__snake_case    ) == 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:
                  UpperCAmelCase_  :	Tuple				      =		_re_bracket_content.sub(_replace					,  lines[1]    )
            else:
                  UpperCAmelCase_  :	str				      =		[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:
                        UpperCAmelCase_  :	int				      =		keys[:-1]
                  UpperCAmelCase_  :	Optional[int]				      =		get_indent(lines[1]    ) + ''', '''.join([F"""\"{k}\"""" for k in sort_objects(__snake_case    )]    )
            return "\n".join(__snake_case    )
      else:
            # Finally we have to deal with imports fitting on one line
            UpperCAmelCase_  :	List[Any]				      =		_re_bracket_content.sub(_replace					,  __snake_case    )
            return import_statement







def    _snake_case (       __snake_case					,  __snake_case=True    )     ->     int:






      '''simple docstring'''







      with open(__snake_case					,  encoding="utf-8"    ) as f:
            UpperCAmelCase_  :	List[str]				      =		f.read()

      if "_import_structure" not in code:
            return

      # Blocks of indent level 0
      UpperCAmelCase_  :	int				      =		split_code_in_indented_blocks(
          __snake_case					,  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(__snake_case    ) - 1    ):
            # Check if the block contains some `_import_structure`s thingy to sort.
            UpperCAmelCase_  :	str				      =		main_blocks[block_idx]
            UpperCAmelCase_  :	Tuple				      =		block.split("\n"    )

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

            # Ignore beginning and last line: they don't contain anything.
            UpperCAmelCase_  :	Any				      =		'''\n'''.join(block_lines[line_idx:-1]    )
            UpperCAmelCase_  :	str				      =		get_indent(block_lines[1]    )
            # Slit the internal block into blocks of indent level 1.
            UpperCAmelCase_  :	List[str]				      =		split_code_in_indented_blocks(__snake_case					,  indent_level=__snake_case    )
            # We have two categories of import key: list or _import_structure[key].append/extend
            UpperCAmelCase_  :	Optional[Any]				      =		_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.
            UpperCAmelCase_  :	List[str]				      =		[(pattern.search(__snake_case    ).groups()[0] if pattern.search(__snake_case    ) is not None else None) for b in internal_blocks]
            # We only sort the lines with a key.
            UpperCAmelCase_  :	Optional[Any]				      =		[(i, key) for i, key in enumerate(__snake_case    ) if key is not None]
            UpperCAmelCase_  :	Optional[Any]				      =		[x[0] for x in sorted(__snake_case					,  key=lambda __snake_case    : x[1]    )]

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

        # And we put our main block back together with its first and last line.
            UpperCAmelCase_  :	Tuple				      =		'''\n'''.join(block_lines[:line_idx] + reorderded_blocks + [block_lines[-1]]    )

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







def    _snake_case (       __snake_case=True    )     ->     int:






      '''simple docstring'''







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


if __name__ == "__main__":
   __lowerCamelCase         =			argparse.ArgumentParser()
   parser.add_argument('''--check_only''', action='''store_true''', help='''Whether to only check or fix style.''')
   __lowerCamelCase         =			parser.parse_args()

   sort_imports_in_all_inits(check_only=args.check_only)






from __future__ import annotations

from collections import deque
from collections.abc import Iterator
from dataclasses import dataclass


@dataclass
class   snake_case_ :




       """simple docstring"""






       _lowerCamelCase			    =				42
       _lowerCamelCase			    =				42


class   snake_case_ :




       """simple docstring"""






       def __init__(     self     ,lowercase):

             """simple docstring"""





             UpperCAmelCase_  :	list[list[Edge]]				      =		[[] for _ in range(lowercase)]
             UpperCAmelCase_  :	str				      =		size



       def __getitem__(     self     ,lowercase):

             """simple docstring"""





             return iter(self._graph[vertex])



       @property
       def  A_   (     self):

             """simple docstring"""





             return self._size



       def  A_   (     self     ,lowercase     ,lowercase     ,lowercase):

             """simple docstring"""





             if weight not in (0, 1):
                   raise ValueError("Edge weight must be either 0 or 1.")

             if to_vertex < 0 or to_vertex >= self.size:
                   raise ValueError("Vertex indexes must be in [0; size).")

             self._graph[from_vertex].append(Edge(lowercase     ,lowercase))



       def  A_   (     self     ,lowercase     ,lowercase):

             """simple docstring"""





             UpperCAmelCase_  :	int				      =		deque([start_vertex])
             UpperCAmelCase_  :	list[int | None]				      =		[None] * self.size
             UpperCAmelCase_  :	Dict				      =		0

             while queue:
                   UpperCAmelCase_  :	List[Any]				      =		queue.popleft()
                   UpperCAmelCase_  :	Any				      =		distances[current_vertex]
                   if current_distance is None:
                         continue

                   for edge in self[current_vertex]:
                         UpperCAmelCase_  :	Tuple				      =		current_distance + edge.weight
                         UpperCAmelCase_  :	Optional[Any]				      =		distances[edge.destination_vertex]
                         if (
                             isinstance(lowercase     ,lowercase)
                             and new_distance >= dest_vertex_distance
                         ):
                               continue
                         UpperCAmelCase_  :	Tuple				      =		new_distance
                         if edge.weight == 0:
                               queue.appendleft(edge.destination_vertex)
                         else:
                               queue.append(edge.destination_vertex)

             if distances[finish_vertex] is None:
                   raise ValueError("No path from start_vertex to finish_vertex.")

             return distances[finish_vertex]


if __name__ == "__main__":
   import doctest

   doctest.testmod()
