


import argparse
import os
import re


__UpperCamelCase    		=       'src/transformers'

# Pattern that looks at the indentation in a line.
__UpperCamelCase    		=       re.compile(R'^(\s*)\S')
# Pattern that matches `"key":" and puts `key` in group 0.
__UpperCamelCase    		=       re.compile(R'^\s*"([^"]+)":')
# Pattern that matches `_import_structure["key"]` and puts `key` in group 0.
__UpperCamelCase    		=       re.compile(R'^\s*_import_structure\["([^"]+)"\]')
# Pattern that matches `"key",` and puts `key` in group 0.
__UpperCamelCase    		=       re.compile(R'^\s*"([^"]+)",\s*$')
# Pattern that matches any `[stuff]` and puts `stuff` in group 0.
__UpperCamelCase    		=       re.compile(R'\[([^\]]+)\]')
def        UpperCamelCase_(				_A   :str  )->		Any:
			UpperCamelCase__					=       _re_indent.search(_A  )
			return "" if search is None else search.groups()[0]
def        UpperCamelCase_(				_A   :Union[str, Any]				,     _A   :List[Any]=""				,     _A   :Optional[Any]=None				,     _A   :Optional[Any]=None  )->		List[Any]:
			UpperCamelCase__					=       0
			UpperCamelCase__					=       code.split("\n"  )
			if start_prompt is not None:
						while not lines[index].startswith(_A  ):
									index += 1
						UpperCamelCase__					=       ["\n".join(lines[:index]  )]
			else:
						UpperCamelCase__					=       []

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

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

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

			return blocks
def        UpperCamelCase_(				_A   :Optional[int]  )->		Optional[int]:

			def _inner(_A   :Union[str, Any]  ):
						return key(_A  ).lower().replace("_"				,     ""  )

			return _inner
def        UpperCamelCase_(				_A   :int				,     _A   :Any=None  )->		Any:

			# If no key is provided, we use a noop.
			def noop(_A   :Optional[int]  ):
						return x

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

			UpperCamelCase__					=       ignore_underscore(_A  )
			return sorted(_A				,     key=_A  ) + sorted(_A				,     key=_A  ) + sorted(_A				,     key=_A  )
def        UpperCamelCase_(				_A   :Optional[Any]  )->		str:

			# This inner function sort imports between [ ].
			def _replace(_A   :str  ):
						UpperCamelCase__					=       match.groups()[0]
						if "," not in imports:
									return F'''[{imports}]'''
						UpperCamelCase__					=       [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__					=       keys[:-1]
						return "[" + ", ".join([F'''"{k}"''' for k in sort_objects(_A  )]  ) + "]"

			UpperCamelCase__					=       import_statement.split("\n"  )
			if len(_A  ) > 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__					=       2 if lines[1].strip() == "[" else 1
						UpperCamelCase__					=       [(i, _re_strip_line.search(_A  ).groups()[0]) for i, line in enumerate(lines[idx:-idx]  )]
						UpperCamelCase__					=       sort_objects(_A				,     key=lambda _A  : x[1]  )
						UpperCamelCase__					=       [lines[x[0] + idx] for x in sorted_indices]
						return "\n".join(lines[:idx] + sorted_lines + lines[-idx:]  )
			elif len(_A  ) == 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__					=       _re_bracket_content.sub(_replace				,     lines[1]  )
						else:
									UpperCamelCase__					=       [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__					=       keys[:-1]
									UpperCamelCase__					=       get_indent(lines[1]  ) + ", ".join([F'''"{k}"''' for k in sort_objects(_A  )]  )
						return "\n".join(_A  )
			else:
						# Finally we have to deal with imports fitting on one line
						UpperCamelCase__					=       _re_bracket_content.sub(_replace				,     _A  )
						return import_statement
def        UpperCamelCase_(				_A   :List[Any]				,     _A   :Union[str, Any]=True  )->		Any:
			with open(_A				,     encoding="utf-8"  ) as f:
						UpperCamelCase__					=       f.read()

			if "_import_structure" not in code:
						return

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

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

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

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

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

			if code != "\n".join(_A  ):
						if check_only:
									return True
						else:
									print(F'''Overwriting {file}.'''  )
									with open(_A				,     "w"				,     encoding="utf-8"  ) as f:
												f.write("\n".join(_A  )  )
def        UpperCamelCase_(				_A   :Optional[Any]=True  )->		Dict:
			UpperCamelCase__					=       []
			for root, _, files in os.walk(_A  ):
						if "__init__.py" in files:
									UpperCamelCase__					=       sort_imports(os.path.join(_A				,     "__init__.py"  )				,     check_only=_A  )
									if result:
												UpperCamelCase__					=       [os.path.join(_A				,     "__init__.py"  )]
			if len(_A  ) > 0:
						raise ValueError(F'''Would overwrite {len(_A  )} files, run `make style`.'''  )


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

						sort_imports_in_all_inits(check_only=args.check_only)






from collections import deque
def        UpperCamelCase_(				_A   :Union[str, Any]  )->		List[Any]:
			UpperCamelCase__					=       len(_A  )
			UpperCamelCase__					=       deque()
			UpperCamelCase__					=       [False for _ in range(_A  )]
			UpperCamelCase__					=       [-1 for _ in range(_A  )]
			UpperCamelCase__					=       index_of[:]

			def strong_connect(_A   :Optional[int]				,     _A   :Optional[int]				,     _A   :List[Any]  ):
						UpperCamelCase__					=       index  # the number when this node is seen
						UpperCamelCase__					=       index  # lowest rank node reachable from here
						index += 1
						stack.append(_A  )
						UpperCamelCase__					=       True

						for w in g[v]:
									if index_of[w] == -1:
												UpperCamelCase__					=       strong_connect(_A				,     _A				,     _A  )
												UpperCamelCase__					=       (
												    lowlink_of[w] if lowlink_of[w] < lowlink_of[v] else lowlink_of[v]
												)
									elif on_stack[w]:
												UpperCamelCase__					=       (
												    lowlink_of[w] if lowlink_of[w] < lowlink_of[v] else lowlink_of[v]
												)

						if lowlink_of[v] == index_of[v]:
									UpperCamelCase__					=       []
									UpperCamelCase__					=       stack.pop()
									UpperCamelCase__					=       False
									component.append(_A  )
									while w != v:
												UpperCamelCase__					=       stack.pop()
												UpperCamelCase__					=       False
												component.append(_A  )
									components.append(_A  )
						return index

			UpperCamelCase__					=       []
			for v in range(_A  ):
						if index_of[v] == -1:
									strong_connect(_A				,     0				,     _A  )

			return components
def        UpperCamelCase_(				_A   :Optional[Any]				,     _A   :Any  )->		Union[str, Any]:
			UpperCamelCase__					=       [[] for _ in range(_A  )]
			for u, v in edges:
						g[u].append(_A  )
			return g


if __name__ == "__main__":
						# Test
						__UpperCamelCase    		=       7
						__UpperCamelCase    		=       [0, 0, 1, 2, 3, 3, 4, 4, 6]
						__UpperCamelCase    		=       [1, 3, 2, 0, 1, 4, 5, 6, 5]
						__UpperCamelCase    		=       [(u, v) for u, v in zip(source, target)]
						__UpperCamelCase    		=       create_graph(n_vertices, edges)

						assert [[5], [6], [4], [3, 2, 1, 0]] == tarjan(g)


