



"""simple docstring"""






import collections
import os
import re
from pathlib import Path


_lowercase			:			int										=						"src/transformers"


# Matches is_xxx_available()
_lowercase			:			str										=						re.compile(r"is\_([a-z_]*)_available()")
# Catches a one-line _import_struct = {xxx}
_lowercase			:			Dict										=						re.compile(r"^_import_structure\s+=\s+\{([^\}]+)\}")
# Catches a line with a key-values pattern: "bla": ["foo", "bar"]
_lowercase			:			List[str]										=						re.compile(r"\s+\"\S*\":\s+\[([^\]]*)\]")
# Catches a line if not is_foo_available
_lowercase			:			Optional[int]										=						re.compile(r"^\s*if\s+not\s+is\_[a-z_]*\_available\(\)")
# Catches a line _import_struct["bla"].append("foo")
_lowercase			:			Optional[Any]										=						re.compile(r"^\s*_import_structure\[\"\S*\"\]\.append\(\"(\S*)\"\)")
# Catches a line _import_struct["bla"].extend(["foo", "bar"]) or _import_struct["bla"] = ["foo", "bar"]
_lowercase			:			Optional[int]										=						re.compile(r"^\s*_import_structure\[\S*\](?:\.extend\(|\s*=\s+)\[([^\]]*)\]")
# Catches a line with an object between quotes and a comma:     "MyModel",
_lowercase			:			int										=						re.compile(r"^\s+\"([^\"]+)\",")
# Catches a line with objects between brackets only:    ["foo", "bar"],
_lowercase			:			List[Any]										=						re.compile(r"^\s+\[([^\]]+)\]")
# Catches a line with from foo import bar, bla, boo
_lowercase			:			List[str]										=						re.compile(r"\s+from\s+\S*\s+import\s+([^\(\s].*)\n")
# Catches a line with try:
_lowercase			:			str										=						re.compile(r"^\s*try:")
# Catches a line with else:
_lowercase			:			Tuple										=						re.compile(r"^\s*else:")






def 					snake_case__       (		__lowerCamelCase    :   str     ):
			"""simple docstring"""
			if _re_test_backend.search(__lowerCamelCase     ) is None:
						return None
			lowerCamelCase__		:		Optional[int]		     =[b[0] for b in _re_backend.findall(__lowerCamelCase     )]
			backends.sort()
			return "_and_".join(__lowerCamelCase     )






def 					snake_case__       (		__lowerCamelCase    :   Optional[Any]     ):
			"""simple docstring"""
			with open(__lowerCamelCase							,		'''r'''							,		encoding='''utf-8'''							,		newline='''\n'''     ) as f:
						lowerCamelCase__		:		str		     =f.readlines()

			lowerCamelCase__		:		Any		     =0
			while line_index < len(__lowerCamelCase     ) and not lines[line_index].startswith('''_import_structure = {'''     ):
						line_index += 1

			# If this is a traditional init, just return.
			if line_index >= len(__lowerCamelCase     ):
						return None

			# First grab the objects without a specific backend in _import_structure
			lowerCamelCase__		:		Optional[int]		     =[]
			while not lines[line_index].startswith('''if TYPE_CHECKING'''     ) and find_backend(lines[line_index]     ) is None:
						lowerCamelCase__		:		Union[str, Any]		     =lines[line_index]
						# If we have everything on a single line, let's deal with it.
						if _re_one_line_import_struct.search(__lowerCamelCase     ):
									lowerCamelCase__		:		int		     =_re_one_line_import_struct.search(__lowerCamelCase     ).groups()[0]
									lowerCamelCase__		:		int		     =re.findall(R'''\[([^\]]+)\]'''							,		__lowerCamelCase     )
									for imp in imports:
												objects.extend([obj[1:-1] for obj in imp.split(''', '''     )]     )
									line_index += 1
									continue
						lowerCamelCase__		:		List[Any]		     =_re_import_struct_key_value.search(__lowerCamelCase     )
						if single_line_import_search is not None:
									lowerCamelCase__		:		Tuple		     =[obj[1:-1] for obj in single_line_import_search.groups()[0].split(''', '''     ) if len(__lowerCamelCase     ) > 0]
									objects.extend(__lowerCamelCase     )
						elif line.startswith(''' ''' * 8 + '''"'''     ):
									objects.append(line[9:-3]     )
						line_index += 1

			lowerCamelCase__		:		List[str]		     ={'''none''': objects}
			# Let's continue with backend-specific objects in _import_structure
			while not lines[line_index].startswith('''if TYPE_CHECKING'''     ):
						# If the line is an if not is_backend_available, we grab all objects associated.
						lowerCamelCase__		:		Union[str, Any]		     =find_backend(lines[line_index]     )
						# Check if the backend declaration is inside a try block:
						if _re_try.search(lines[line_index - 1]     ) is None:
									lowerCamelCase__		:		Tuple		     =None

						if backend is not None:
									line_index += 1

									# Scroll until we hit the else block of try-except-else
									while _re_else.search(lines[line_index]     ) is None:
												line_index += 1

									line_index += 1

									lowerCamelCase__		:		List[str]		     =[]
									# Until we unindent, add backend objects to the list
									while len(lines[line_index]     ) <= 1 or lines[line_index].startswith(''' ''' * 4     ):
												lowerCamelCase__		:		Optional[int]		     =lines[line_index]
												if _re_import_struct_add_one.search(__lowerCamelCase     ) is not None:
															objects.append(_re_import_struct_add_one.search(__lowerCamelCase     ).groups()[0]     )
												elif _re_import_struct_add_many.search(__lowerCamelCase     ) is not None:
															lowerCamelCase__		:		int		     =_re_import_struct_add_many.search(__lowerCamelCase     ).groups()[0].split(''', '''     )
															lowerCamelCase__		:		List[Any]		     =[obj[1:-1] for obj in imports if len(__lowerCamelCase     ) > 0]
															objects.extend(__lowerCamelCase     )
												elif _re_between_brackets.search(__lowerCamelCase     ) is not None:
															lowerCamelCase__		:		str		     =_re_between_brackets.search(__lowerCamelCase     ).groups()[0].split(''', '''     )
															lowerCamelCase__		:		int		     =[obj[1:-1] for obj in imports if len(__lowerCamelCase     ) > 0]
															objects.extend(__lowerCamelCase     )
												elif _re_quote_object.search(__lowerCamelCase     ) is not None:
															objects.append(_re_quote_object.search(__lowerCamelCase     ).groups()[0]     )
												elif line.startswith(''' ''' * 8 + '''"'''     ):
															objects.append(line[9:-3]     )
												elif line.startswith(''' ''' * 12 + '''"'''     ):
															objects.append(line[13:-3]     )
												line_index += 1

									lowerCamelCase__		:		List[str]		     =objects
						else:
									line_index += 1

    # At this stage we are in the TYPE_CHECKING part, first grab the objects without a specific backend
			lowerCamelCase__		:		List[str]		     =[]
			while (
			    line_index < len(__lowerCamelCase     )
			    and find_backend(lines[line_index]     ) is None
			    and not lines[line_index].startswith('''else'''     )
			):
						lowerCamelCase__		:		Any		     =lines[line_index]
						lowerCamelCase__		:		List[Any]		     =_re_import.search(__lowerCamelCase     )
						if single_line_import_search is not None:
									objects.extend(single_line_import_search.groups()[0].split(''', '''     )     )
						elif line.startswith(''' ''' * 8     ):
									objects.append(line[8:-2]     )
						line_index += 1

			lowerCamelCase__		:		Optional[int]		     ={'''none''': objects}
			# Let's continue with backend-specific objects
			while line_index < len(__lowerCamelCase     ):
						# If the line is an if is_backend_available, we grab all objects associated.
						lowerCamelCase__		:		Dict		     =find_backend(lines[line_index]     )
						# Check if the backend declaration is inside a try block:
						if _re_try.search(lines[line_index - 1]     ) is None:
									lowerCamelCase__		:		List[str]		     =None

						if backend is not None:
									line_index += 1

									# Scroll until we hit the else block of try-except-else
									while _re_else.search(lines[line_index]     ) is None:
												line_index += 1

									line_index += 1

									lowerCamelCase__		:		Optional[Any]		     =[]
									# Until we unindent, add backend objects to the list
									while len(lines[line_index]     ) <= 1 or lines[line_index].startswith(''' ''' * 8     ):
												lowerCamelCase__		:		Optional[int]		     =lines[line_index]
												lowerCamelCase__		:		List[str]		     =_re_import.search(__lowerCamelCase     )
												if single_line_import_search is not None:
															objects.extend(single_line_import_search.groups()[0].split(''', '''     )     )
												elif line.startswith(''' ''' * 12     ):
															objects.append(line[12:-2]     )
												line_index += 1

									lowerCamelCase__		:		Tuple		     =objects
						else:
									line_index += 1

			return import_dict_objects, type_hint_objects






def 					snake_case__       (		__lowerCamelCase    :   int							,		__lowerCamelCase    :   Optional[int]     ):
			"""simple docstring"""

			def find_duplicates(__lowerCamelCase    :   str     ):
						return [k for k, v in collections.Counter(__lowerCamelCase     ).items() if v > 1]

			if list(import_dict_objects.keys()     ) != list(type_hint_objects.keys()     ):
						return ["Both sides of the init do not have the same backends!"]

			lowerCamelCase__		:		Union[str, Any]		     =[]
			for key in import_dict_objects.keys():
						lowerCamelCase__		:		List[Any]		     =find_duplicates(import_dict_objects[key]     )
						if duplicate_imports:
									errors.append(f'''Duplicate _import_structure definitions for: {duplicate_imports}'''     )
						lowerCamelCase__		:		str		     =find_duplicates(type_hint_objects[key]     )
						if duplicate_type_hints:
									errors.append(f'''Duplicate TYPE_CHECKING objects for: {duplicate_type_hints}'''     )

						if sorted(set(import_dict_objects[key]     )     ) != sorted(set(type_hint_objects[key]     )     ):
									lowerCamelCase__		:		str		     ='''base imports''' if key == '''none''' else f'''{key} backend'''
									errors.append(f'''Differences for {name}:'''     )
									for a in type_hint_objects[key]:
												if a not in import_dict_objects[key]:
															errors.append(f'''  {a} in TYPE_HINT but not in _import_structure.'''     )
									for a in import_dict_objects[key]:
												if a not in type_hint_objects[key]:
															errors.append(f'''  {a} in _import_structure but not in TYPE_HINT.'''     )
			return errors






def 					snake_case__       (		):
			"""simple docstring"""
			lowerCamelCase__		:		Any		     =[]
			for root, _, files in os.walk(__lowerCamelCase     ):
						if "__init__.py" in files:
									lowerCamelCase__		:		Dict		     =os.path.join(__lowerCamelCase							,		'''__init__.py'''     )
									lowerCamelCase__		:		Optional[Any]		     =parse_init(__lowerCamelCase     )
									if objects is not None:
												lowerCamelCase__		:		Any		     =analyze_results(*__lowerCamelCase     )
												if len(__lowerCamelCase     ) > 0:
															lowerCamelCase__		:		Tuple		     =f'''Problem in {fname}, both halves do not define the same objects.\n{errors[0]}'''
															failures.append('''\n'''.join(__lowerCamelCase     )     )
			if len(__lowerCamelCase     ) > 0:
						raise ValueError('''\n\n'''.join(__lowerCamelCase     )     )






def 					snake_case__       (		):
			"""simple docstring"""
			lowerCamelCase__		:		List[Any]		     =[]
			for path, directories, files in os.walk(__lowerCamelCase     ):
						for folder in directories:
									# Ignore private modules
									if folder.startswith('''_'''     ):
												directories.remove(__lowerCamelCase     )
												continue
									# Ignore leftovers from branches (empty folders apart from pycache)
									if len(list((Path(__lowerCamelCase     ) / folder).glob('''*.py'''     )     )     ) == 0:
												continue
									lowerCamelCase__		:		str		     =str((Path(__lowerCamelCase     ) / folder).relative_to(__lowerCamelCase     )     )
									lowerCamelCase__		:		Dict		     =short_path.replace(os.path.sep							,		'''.'''     )
									submodules.append(__lowerCamelCase     )
						for fname in files:
									if fname == "__init__.py":
												continue
									lowerCamelCase__		:		List[str]		     =str((Path(__lowerCamelCase     ) / fname).relative_to(__lowerCamelCase     )     )
									lowerCamelCase__		:		str		     =short_path.replace('''.py'''							,		''''''     ).replace(os.path.sep							,		'''.'''     )
									if len(submodule.split('''.'''     )     ) == 1:
												submodules.append(__lowerCamelCase     )
			return submodules


_lowercase			:			Optional[Any]										=						[
    "convert_pytorch_checkpoint_to_tf2",
    "modeling_flax_pytorch_utils",
    "models.esm.openfold_utils",
]






def 					snake_case__       (		):
			"""simple docstring"""
			# This is to make sure the transformers module imported is the one in the repo.
			from transformers.utils import direct_transformers_import

			lowerCamelCase__		:		Optional[Any]		     =direct_transformers_import(__lowerCamelCase     )

			lowerCamelCase__		:		Optional[Any]		     =set(transformers._import_structure.keys()     )
			# This contains all the base keys of the _import_structure object defined in the init, but if the user is missing
			# some optional dependencies, they may not have all of them. Thus we read the init to read all additions and
			# (potentiall re-) add them.
			with open(os.path.join(__lowerCamelCase							,		'''__init__.py'''     )							,		'''r'''     ) as f:
						lowerCamelCase__		:		str		     =f.read()
			import_structure_keys.update(set(re.findall(R'''import_structure\[\"([^\"]*)\"\]'''							,		__lowerCamelCase     )     )     )

			lowerCamelCase__		:		Union[str, Any]		     =[
			    module
			    for module in get_transformers_submodules()
			    if module not in IGNORE_SUBMODULES and module not in import_structure_keys
			]

			if len(__lowerCamelCase     ) > 0:
						lowerCamelCase__		:		str		     ='''\n'''.join(f'''- {module}''' for module in module_not_registered     )
						raise ValueError(
						    '''The following submodules are not properly registed in the main init of Transformers:\n'''
						    f'''{list_of_modules}\n'''
						    '''Make sure they appear somewhere in the keys of `_import_structure` with an empty list as value.'''     )


if __name__ == "__main__":
		check_all_inits()
		check_submodules()









"""simple docstring"""






def 					snake_case__       (		__lowerCamelCase    :   int     ):
			"""simple docstring"""
			lowerCamelCase__		:		List[Any]		     =[0] * len(__lowerCamelCase     )
			lowerCamelCase__		:		List[Any]		     =[]
			lowerCamelCase__		:		List[Any]		     =[1] * len(__lowerCamelCase     )

			for values in graph.values():
						for i in values:
									indegree[i] += 1

			for i in range(len(__lowerCamelCase     )     ):
						if indegree[i] == 0:
									queue.append(__lowerCamelCase     )

			while queue:
						lowerCamelCase__		:		Tuple		     =queue.pop(0     )
						for x in graph[vertex]:
									indegree[x] -= 1

									if long_dist[vertex] + 1 > long_dist[x]:
												lowerCamelCase__		:		Optional[Any]		     =long_dist[vertex] + 1

									if indegree[x] == 0:
												queue.append(__lowerCamelCase     )

			print(max(__lowerCamelCase     )     )


# Adjacency list of Graph
_lowercase			:			Optional[Any]										=						{0: [2, 3, 4], 1: [2, 7], 2: [5], 3: [5, 7], 4: [7], 5: [6], 6: [7], 7: []}

longest_distance(graph)




