


'''simple docstring'''






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


__A					:  str											=      "src/transformers"


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







def 				UpperCamelCase_			(    A__					:   Optional[int]					):
  '''simple docstring'''





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







def 				UpperCamelCase_			(    A__					:   List[Any]					):
  '''simple docstring'''





  with open(A__							,    """r"""							,    encoding="""utf-8"""							,    newline="""\n"""					) as f:
    lowerCAmelCase_			:      Any			=   f.readlines()

  lowerCAmelCase_			:      Optional[int]			=   0
  while line_index < len(A__					) and not lines[line_index].startswith("""_import_structure = {"""					):
    line_index += 1

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

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

  lowerCAmelCase_			:      Union[str, Any]			=   {"""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_			:      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_			:      int			=   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(""" """ * 4					):
        lowerCAmelCase_			:      List[str]			=   lines[line_index]
        if _re_import_struct_add_one.search(A__					) is not None:
          objects.append(_re_import_struct_add_one.search(A__					).groups()[0]					)
        elif _re_import_struct_add_many.search(A__					) is not None:
          lowerCAmelCase_			:      str			=   _re_import_struct_add_many.search(A__					).groups()[0].split(""", """					)
          lowerCAmelCase_			:      Optional[Any]			=   [obj[1:-1] for obj in imports if len(A__					) > 0]
          objects.extend(A__					)
        elif _re_between_brackets.search(A__					) is not None:
          lowerCAmelCase_			:      List[str]			=   _re_between_brackets.search(A__					).groups()[0].split(""", """					)
          lowerCAmelCase_			:      List[Any]			=   [obj[1:-1] for obj in imports if len(A__					) > 0]
          objects.extend(A__					)
        elif _re_quote_object.search(A__					) is not None:
          objects.append(_re_quote_object.search(A__					).groups()[0]					)
        elif line.startswith(""" """ * 8 + """\""""					):
          objects.append(line[9:-3]					)
        elif line.startswith(""" """ * 12 + """\""""					):
          objects.append(line[13:-3]					)
        line_index += 1

      lowerCAmelCase_			:      Union[str, 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_			:      Optional[Any]			=   []
  while (
      line_index < len(A__					)
      and find_backend(lines[line_index]					) is None
      and not lines[line_index].startswith("""else"""					)
  ):
    lowerCAmelCase_			:      int			=   lines[line_index]
    lowerCAmelCase_			:      Tuple			=   _re_import.search(A__					)
    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_			:      List[str]			=   {"""none""": objects}
  # Let's continue with backend-specific objects
  while line_index < len(A__					):
    # 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_			:      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_			:      Tuple			=   lines[line_index]
        lowerCAmelCase_			:      List[Any]			=   _re_import.search(A__					)
        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_			:      Any			=   objects
    else:
      line_index += 1

  return import_dict_objects, type_hint_objects







def 				UpperCamelCase_			(    A__					:   Union[str, Any]							,    A__					:   Tuple					):
  '''simple docstring'''





  def find_duplicates(A__					:   str					):
    return [k for k, v in collections.Counter(A__					).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[Any]			=   []
  for key in import_dict_objects.keys():
    lowerCAmelCase_			:      Tuple			=   find_duplicates(import_dict_objects[key]					)
    if duplicate_imports:
      errors.append(f'Duplicate _import_structure definitions for: {duplicate_imports}'					)
    lowerCAmelCase_			:      List[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_			:      Union[str, 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 				UpperCamelCase_			(    ):
  '''simple docstring'''





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







def 				UpperCamelCase_			(    ):
  '''simple docstring'''





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


__A					:  Any											=      [
    "convert_pytorch_checkpoint_to_tf2",
    "modeling_flax_pytorch_utils",
]







def 				UpperCamelCase_			(    ):
  '''simple docstring'''





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

  lowerCAmelCase_			:      str			=   [
      module
      for module in get_transformers_submodules()
      if module not in IGNORE_SUBMODULES and module not in transformers._import_structure.keys()
  ]
  if len(A__					) > 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'''






def 				UpperCamelCase_			(    A__					:   str							,    A__					:   list[str]					):
  '''simple docstring'''





  lowerCAmelCase_			:      Dict			=   """"""
  for word_or_phrase in separated:
    if not isinstance(A__							,    A__					):
      raise Exception("""join() accepts only strings to be joined"""					)
    joined += word_or_phrase + separator
  return joined.strip(A__					)


if __name__ == "__main__":
  from doctest import testmod

  testmod()



