
'''simple docstring'''






import collections
import importlib.util
import os
import re
from pathlib import Path


UpperCAmelCase_       :   List[str]   =       'src/transformers'


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







def 		A_       (	_lowerCAmelCase   :    Union[str, Any]							):



      """simple docstring"""




      if _re_test_backend.search(snake_case_							) is None:
            return None
      _lowerCamelCase				:   Optional[Any]								=   [b[0] for b in _re_backend.findall(snake_case_							)]
      backends.sort()
      return "_and_".join(snake_case_							)







def 		A_       (	_lowerCAmelCase   :    Optional[int]							):



      """simple docstring"""




      with open(snake_case_				,	"r"				,	encoding="utf-8"				,	newline="\n"							) as f:
            _lowerCamelCase				:   str								=   f.readlines()

      _lowerCamelCase				:   Union[str, Any]								=   0
      while line_index < len(snake_case_							) and not lines[line_index].startswith("_import_structure = {"							):
            line_index += 1

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

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

      _lowerCamelCase				:   Dict								=   {'''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				:   Optional[int]								=   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[Any]								=   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				:   int								=   lines[line_index]
                        if _re_import_struct_add_one.search(snake_case_							) is not None:
                              objects.append(_re_import_struct_add_one.search(snake_case_							).groups()[0]							)
                        elif _re_import_struct_add_many.search(snake_case_							) is not None:
                              _lowerCamelCase				:   Tuple								=   _re_import_struct_add_many.search(snake_case_							).groups()[0].split(", "							)
                              _lowerCamelCase				:   List[str]								=   [obj[1:-1] for obj in imports if len(snake_case_							) > 0]
                              objects.extend(snake_case_							)
                        elif _re_between_brackets.search(snake_case_							) is not None:
                              _lowerCamelCase				:   List[Any]								=   _re_between_brackets.search(snake_case_							).groups()[0].split(", "							)
                              _lowerCamelCase				:   int								=   [obj[1:-1] for obj in imports if len(snake_case_							) > 0]
                              objects.extend(snake_case_							)
                        elif _re_quote_object.search(snake_case_							) is not None:
                              objects.append(_re_quote_object.search(snake_case_							).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[Any]								=   objects
            else:
                  line_index += 1

                   # At this stage we are in the TYPE_CHECKING part, first grab the objects without a specific backend
      _lowerCamelCase				:   Dict								=   []
      while (
          line_index < len(snake_case_							)
          and find_backend(lines[line_index]							) is None
          and not lines[line_index].startswith("else"							)
      ):
            _lowerCamelCase				:   Tuple								=   lines[line_index]
            _lowerCamelCase				:   Any								=   _re_import.search(snake_case_							)
            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				:   str								=   {'''none''': objects}
      # Let's continue with backend-specific objects
      while line_index < len(snake_case_							):
            # If the line is an if is_backend_available, we grab all objects associated.
            _lowerCamelCase				:   int								=   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[Any]								=   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				:   Union[str, Any]								=   []
                  # Until we unindent, add backend objects to the list
                  while len(lines[line_index]							) <= 1 or lines[line_index].startswith(" " * 8							):
                        _lowerCamelCase				:   Dict								=   lines[line_index]
                        _lowerCamelCase				:   Optional[int]								=   _re_import.search(snake_case_							)
                        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				:   List[Any]								=   objects
            else:
                  line_index += 1

      return import_dict_objects, type_hint_objects







def 		A_       (	_lowerCAmelCase   :    Tuple				,	_lowerCAmelCase   :    Any							):



      """simple docstring"""




      def find_duplicates(_lowerCAmelCase   :    List[str]							):
            return [k for k, v in collections.Counter(snake_case_							).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				:   Optional[int]								=   []
      for key in import_dict_objects.keys():
            _lowerCamelCase				:   List[str]								=   find_duplicates(import_dict_objects[key]							)
            if duplicate_imports:
                  errors.append(F'Duplicate _import_structure definitions for: {duplicate_imports}'							)
            _lowerCamelCase				:   Union[str, Any]								=   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				:   Any								=   '''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 		A_       (	):



      """simple docstring"""




      _lowerCamelCase				:   Dict								=   []
      for root, _, files in os.walk(snake_case_							):
            if "__init__.py" in files:
                  _lowerCamelCase				:   List[Any]								=   os.path.join(snake_case_				,	"__init__.py"							)
                  _lowerCamelCase				:   List[Any]								=   parse_init(snake_case_							)
                  if objects is not None:
                        _lowerCamelCase				:   int								=   analyze_results(*snake_case_							)
                        if len(snake_case_							) > 0:
                              _lowerCamelCase				:   Dict								=   F'Problem in {fname}, both halves do not define the same objects.\n{errors[0]}'
                              failures.append("\n".join(snake_case_							)							)
      if len(snake_case_							) > 0:
            raise ValueError("\n\n".join(snake_case_							)							)







def 		A_       (	):



      """simple docstring"""




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


UpperCAmelCase_       :   Optional[Any]   =       [
    'convert_pytorch_checkpoint_to_tf2',
    'modeling_flax_pytorch_utils',
]







def 		A_       (	):



      """simple docstring"""




      _lowerCamelCase				:   Optional[Any]								=   importlib.util.spec_from_file_location(
          "transformers"				,	os.path.join(snake_case_				,	"__init__.py"							)				,	submodule_search_locations=[PATH_TO_TRANSFORMERS]				,	)
      _lowerCamelCase				:   str								=   spec.loader.load_module()

      _lowerCamelCase				:   Dict								=   [
          module
          for module in get_transformers_submodules()
          if module not in IGNORE_SUBMODULES and module not in transformers._import_structure.keys()
      ]
      if len(snake_case_							) > 0:
            _lowerCamelCase				:   Optional[Any]								=   '''\n'''.join(F'- {module}' for module in module_not_registered							)
            raise ValueError(
                "The following submodules are not properly registered 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'''






from __future__ import annotations

from collections.abc import Iterable, Iterator
from dataclasses import dataclass

UpperCAmelCase_       :   str   =       (3, 9, -11, 0, 7, 5, 1, -1)
UpperCAmelCase_       :   int   =       (4, 6, 2, 0, 8, 10, 3, -2)

@dataclass
class  UpperCAmelCase__						:
    lowerCAmelCase_				    =		42
    lowerCAmelCase_				    =		42


class  UpperCAmelCase__						:



    def __init__(	self      :       Optional[int],__A      :       Iterable[int]     ):
          _lowerCamelCase				:   Node | None								=   None
          for i in sorted(__A,reverse=__A     ):
                _lowerCamelCase				:   Dict								=   Node(__A,self.head     )



    def __iter__(	self      :       str     ):
          _lowerCamelCase				:   Dict								=   self.head
          while node:
                yield node.data
                _lowerCamelCase				:   Optional[Any]								=   node.next_node



    def __len__(	self      :       str     ):
          return sum(1 for _ in self     )



    def __str__(	self      :       str     ):
          return " -> ".join([str(__A     ) for node in self]     )







def 		A_       (	_lowerCAmelCase   :    SortedLinkedList				,	_lowerCAmelCase   :    SortedLinkedList							):



      """simple docstring"""




      return SortedLinkedList(list(_lowerCAmelCase							) + list(_lowerCAmelCase							)							)


if __name__ == "__main__":
 import doctest

 doctest.testmod()
 UpperCAmelCase_       :   List[str]   =       SortedLinkedList
 print(merge_lists(SSL(test_data_odd), SSL(test_data_even)))