




import argparse
import os
import re


SCREAMING_SNAKE_CASE__       :      Any  =   'src/transformers'

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

def      A      (      _SCREAMING_SNAKE_CASE    )	-> Optional[int]:
       lowerCamelCase   :      List[str]			 =					_re_indent.search(_SCREAMING_SNAKE_CASE    )
       return "" if search is None else search.groups()[0]

def      A      (      _SCREAMING_SNAKE_CASE ,_SCREAMING_SNAKE_CASE="" ,_SCREAMING_SNAKE_CASE=None ,_SCREAMING_SNAKE_CASE=None    )	-> Tuple:
       lowerCamelCase   :      Optional[Any]			 =					0
       lowerCamelCase   :      Any			 =					code.split("\n"    )
       if start_prompt is not None:
              while not lines[index].startswith(_SCREAMING_SNAKE_CASE    ):
                     index += 1
              lowerCamelCase   :      List[Any]			 =					["\n".join(lines[:index]    )]
       else:
              lowerCamelCase   :      str			 =					[]

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

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

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

       return blocks

def      A      (      _SCREAMING_SNAKE_CASE    )	-> Optional[Any]:

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

       return _inner

def      A      (      _SCREAMING_SNAKE_CASE ,_SCREAMING_SNAKE_CASE=None    )	-> Union[str, Any]:

       # If no key is provided, we use a noop.
       def noop(_SCREAMING_SNAKE_CASE    ):
              return x

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

       lowerCamelCase   :      Union[str, Any]			 =					ignore_underscore(_SCREAMING_SNAKE_CASE    )
       return sorted(_SCREAMING_SNAKE_CASE ,key=_SCREAMING_SNAKE_CASE    ) + sorted(_SCREAMING_SNAKE_CASE ,key=_SCREAMING_SNAKE_CASE    ) + sorted(_SCREAMING_SNAKE_CASE ,key=_SCREAMING_SNAKE_CASE    )

def      A      (      _SCREAMING_SNAKE_CASE    )	-> List[Any]:

       # This inner function sort imports between [ ].
       def _replace(_SCREAMING_SNAKE_CASE    ):
              lowerCamelCase   :      Optional[Any]			 =					match.groups()[0]
              if "," not in imports:
                     return f'''[{imports}]'''
              lowerCamelCase   :      int			 =					[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:
                     lowerCamelCase   :      Optional[int]			 =					keys[:-1]
              return "[" + ", ".join([f'''"{k}"''' for k in sort_objects(_SCREAMING_SNAKE_CASE    )]    ) + "]"

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

def      A      (      _SCREAMING_SNAKE_CASE ,_SCREAMING_SNAKE_CASE=True    )	-> Optional[Any]:
       with open(_SCREAMING_SNAKE_CASE ,encoding="utf-8"    ) as f:
              lowerCamelCase   :      Union[str, Any]			 =					f.read()

       if "_import_structure" not in code:
              return

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

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

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

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

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

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

def      A      (      _SCREAMING_SNAKE_CASE=True    )	-> Any:
       lowerCamelCase   :      Optional[Any]			 =					[]
       for root, _, files in os.walk(_SCREAMING_SNAKE_CASE    ):
              if "__init__.py" in files:
                     lowerCamelCase   :      Any			 =					sort_imports(os.path.join(_SCREAMING_SNAKE_CASE ,"__init__.py"    ) ,check_only=_SCREAMING_SNAKE_CASE    )
                     if result:
                            lowerCamelCase   :      Optional[Any]			 =					[os.path.join(_SCREAMING_SNAKE_CASE ,"__init__.py"    )]
       if len(_SCREAMING_SNAKE_CASE    ) > 0:
              raise ValueError(f'''Would overwrite {len(_SCREAMING_SNAKE_CASE    )} files, run `make style`.'''    )


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

       sort_imports_in_all_inits(check_only=args.check_only)











'''simple docstring'''

__lowerCAmelCase									=   {
    '''A''': ['''B''', '''C''', '''E'''],
    '''B''': ['''A''', '''D''', '''E'''],
    '''C''': ['''A''', '''F''', '''G'''],
    '''D''': ['''B'''],
    '''E''': ['''A''', '''B''', '''D'''],
    '''F''': ['''C'''],
    '''G''': ['''C'''],
}



def      __lowerCamelCase     (      lowerCAmelCase_						,			lowerCAmelCase_						,			lowerCAmelCase_  )			->      list[str]:
		_a     :      List[Any]        =							set()
		# keep track of all the paths to be checked
		_a     :      Any        =							[[start]]

		# return path if start is goal
		if start == goal:
				return [start]

		# keeps looping until all possible paths have been checked
		while queue:
				# pop the first path from the queue
				_a     :      Tuple        =							queue.pop(0  )
				# get the last node from the path
				_a     :      Tuple        =							path[-1]
				if node not in explored:
						_a     :      Optional[Any]        =							graph[node]
						# go through all neighbour nodes, construct a new path and
						# push it into the queue
						for neighbour in neighbours:
								_a     :      Any        =							list(lowerCAmelCase_  )
								new_path.append(lowerCAmelCase_  )
								queue.append(lowerCAmelCase_  )
								# return path if neighbour is goal
								if neighbour == goal:
										return new_path

            # mark node as explored
						explored.add(lowerCAmelCase_  )

    # in case there's no path between the 2 nodes
		return []



def      __lowerCamelCase     (      lowerCAmelCase_						,			lowerCAmelCase_						,			lowerCAmelCase_  )			->      int:
		if not graph or start not in graph or target not in graph:
				return -1
		if start == target:
				return 0
		_a     :      Optional[int]        =							[start]
		_a     :      Dict        =							set(lowerCAmelCase_  )
		# Keep tab on distances from `start` node.
		_a     :      Dict        =							{start: 0, target: -1}
		while queue:
				_a     :      List[str]        =							queue.pop(0  )
				if node == target:
						_a     :      Any        =							(
						    dist[node] if dist[target] == -1 else min(dist[target]						,			dist[node]  )
						)
				for adjacent in graph[node]:
						if adjacent not in visited:
								visited.add(lowerCAmelCase_  )
								queue.append(lowerCAmelCase_  )
								_a     :      Any        =							dist[node] + 1
		return dist[target]


if __name__ == "__main__":
							print(bfs_shortest_path(demo_graph, '''G''', '''D'''))  # returns ['G', 'C', 'A', 'B', 'D']
							print(bfs_shortest_path_distance(demo_graph, '''G''', '''D'''))  # returns 4




