



import argparse
import os
import re


__A       =						'''src/transformers'''

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



def 	__a					(   lowerCAmelCase_       : Optional[Any]    )				->			str:






						'''simple docstring'''



						UpperCAmelCase_=       _re_indent.search(lowerCAmelCase_    )
						return "" if search is None else search.groups()[0]



def 	__a					(   lowerCAmelCase_       : Dict      ,lowerCAmelCase_       : Optional[Any]=""      ,lowerCAmelCase_       : Union[str, Any]=None      ,lowerCAmelCase_       : Optional[int]=None    )				->			Dict:






						'''simple docstring'''



						UpperCAmelCase_=       0
						UpperCAmelCase_=       code.split("""\n"""    )
						if start_prompt is not None:
												while not lines[index].startswith(lowerCAmelCase_    ):
																		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(lowerCAmelCase_    ) and (end_prompt is None or not lines[index].startswith(lowerCAmelCase_    )):
												if len(lines[index]    ) > 0 and get_indent(lines[index]    ) == indent_level:
																		if len(lowerCAmelCase_    ) > 0 and get_indent(current_block[-1]    ).startswith(indent_level + """ """    ):
																								current_block.append(lines[index]    )
																								blocks.append("""\n""".join(lowerCAmelCase_    )    )
																								if index < len(lowerCAmelCase_    ) - 1:
																														UpperCAmelCase_=       [lines[index + 1]]
																														index += 1
																								else:
																														UpperCAmelCase_=       []
																		else:
																								blocks.append("""\n""".join(lowerCAmelCase_    )    )
																								UpperCAmelCase_=       [lines[index]]
												else:
																		current_block.append(lines[index]    )
												index += 1

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

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

						return blocks



def 	__a					(   lowerCAmelCase_       : Optional[int]    )				->			Dict:






						'''simple docstring'''



						def _inner(lowerCAmelCase_       : Optional[Any]    ):
												return key(lowerCAmelCase_    ).lower().replace("""_"""      ,""""""    )

						return _inner



def 	__a					(   lowerCAmelCase_       : Tuple      ,lowerCAmelCase_       : Any=None    )				->			str:






						'''simple docstring'''



						def noop(lowerCAmelCase_       : Union[str, Any]    ):
												return x

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

						UpperCAmelCase_=       ignore_underscore(lowerCAmelCase_    )
						return sorted(lowerCAmelCase_      ,key=lowerCAmelCase_    ) + sorted(lowerCAmelCase_      ,key=lowerCAmelCase_    ) + sorted(lowerCAmelCase_      ,key=lowerCAmelCase_    )



def 	__a					(   lowerCAmelCase_       : Tuple    )				->			str:






						'''simple docstring'''



						def _replace(lowerCAmelCase_       : Any    ):
												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(lowerCAmelCase_    )]    ) + "]"

						UpperCAmelCase_=       import_statement.split("""\n"""    )
						if len(lowerCAmelCase_    ) > 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(lowerCAmelCase_    ).groups()[0]) for i, line in enumerate(lines[idx:-idx]    )]
												UpperCAmelCase_=       sort_objects(lowerCAmelCase_      ,key=lambda lowerCAmelCase_    : x[1]    )
												UpperCAmelCase_=       [lines[x[0] + idx] for x in sorted_indices]
												return "\n".join(lines[:idx] + sorted_lines + lines[-idx:]    )
						elif len(lowerCAmelCase_    ) == 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(lowerCAmelCase_    )]    )
												return "\n".join(lowerCAmelCase_    )
						else:
												# Finally we have to deal with imports fitting on one line
												UpperCAmelCase_=       _re_bracket_content.sub(_replace      ,lowerCAmelCase_    )
												return import_statement



def 	__a					(   lowerCAmelCase_       : Dict      ,lowerCAmelCase_       : Optional[int]=True    )				->			Optional[Any]:






						'''simple docstring'''



						with open(lowerCAmelCase_      ,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(
						    lowerCAmelCase_      ,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(lowerCAmelCase_    ) - 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(lowerCAmelCase_    ) and "_import_structure" not in block_lines[line_idx]:
																		# Skip dummy import blocks
																		if "import dummy" in block_lines[line_idx]:
																								UpperCAmelCase_=       len(lowerCAmelCase_    )
																		else:
																								line_idx += 1
												if line_idx >= len(lowerCAmelCase_    ):
																		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(lowerCAmelCase_      ,indent_level=lowerCAmelCase_    )
												# 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(lowerCAmelCase_    ).groups()[0] if pattern.search(lowerCAmelCase_    ) 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(lowerCAmelCase_    ) if key is not None]
												UpperCAmelCase_=       [x[0] for x in sorted(lowerCAmelCase_      ,key=lambda lowerCAmelCase_    : 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(lowerCAmelCase_    )    ):
																		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(lowerCAmelCase_    )
																								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(lowerCAmelCase_    ):
												if check_only:
																		return True
												else:
																		print(F"""Overwriting {file}."""    )
																		with open(lowerCAmelCase_      ,"""w"""      ,encoding="""utf-8"""    ) as f:
																								f.write("""\n""".join(lowerCAmelCase_    )    )



def 	__a					(   lowerCAmelCase_       : str=True    )				->			Tuple:






						'''simple docstring'''



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


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

	sort_imports_in_all_inits(check_only=args.check_only)









def 	__a					(   lowerCAmelCase_       : Dict    )				->			Dict:






						'''simple docstring'''



						return [
						    {
						        0: [1, 2],
						        1: [0, 2],
						        2: [0, 1, 3, 5],
						        3: [2, 4],
						        4: [3],
						        5: [2, 6, 8],
						        6: [5, 7],
						        7: [6, 8],
						        8: [5, 7],
						    },
						    {
						        0: [6],
						        1: [9],
						        2: [4, 5],
						        3: [4],
						        4: [2, 3],
						        5: [2],
						        6: [0, 7],
						        7: [6],
						        8: [],
						        9: [1],
						    },
						    {
						        0: [4],
						        1: [6],
						        2: [],
						        3: [5, 6, 7],
						        4: [0, 6],
						        5: [3, 8, 9],
						        6: [1, 3, 4, 7],
						        7: [3, 6, 8, 9],
						        8: [5, 7],
						        9: [5, 7],
						    },
						    {
						        0: [1, 3],
						        1: [0, 2, 4],
						        2: [1, 3, 4],
						        3: [0, 2, 4],
						        4: [1, 2, 3],
						    },
						][index]



def 	__a					(   lowerCAmelCase_       : dict[int, list[int]]    )				->			list[tuple[int, int]]:






						'''simple docstring'''



						UpperCAmelCase_=       0
						UpperCAmelCase_=       len(lowerCAmelCase_    )  # No of vertices in graph
						UpperCAmelCase_=       [0] * n
						UpperCAmelCase_=       [False] * n

						def dfs(lowerCAmelCase_       : Optional[int]      ,lowerCAmelCase_       : Dict      ,lowerCAmelCase_       : Any      ,lowerCAmelCase_       : int    ):
												UpperCAmelCase_=       True
												UpperCAmelCase_=       id_
												id_ += 1
												for to in graph[at]:
																		if to == parent:
																								pass
																		elif not visited[to]:
																								dfs(lowerCAmelCase_      ,lowerCAmelCase_      ,lowerCAmelCase_      ,id_    )
																								UpperCAmelCase_=       min(low[at]      ,low[to]    )
																								if id_ <= low[to]:
																														bridges.append((at, to) if at < to else (to, at)    )
																		else:
																								# This edge is a back edge and cannot be a bridge
																								UpperCAmelCase_=       min(low[at]      ,low[to]    )

						UpperCAmelCase_=       []
						for i in range(lowerCAmelCase_    ):
												if not visited[i]:
																		dfs(lowerCAmelCase_      ,-1      ,lowerCAmelCase_      ,id_    )
						return bridges


if __name__ == "__main__":
	import doctest

	doctest.testmod()




