


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


SCREAMING_SNAKE_CASE							    =							'src/transformers'


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




def  a   (lowerCAmelCase__   ):
   if _re_test_backend.search(lowerCAmelCase__   ) is None:
      return None
   __a					=  [b[0] for b in _re_backend.findall(lowerCAmelCase__   )]
   backends.sort()
   return "_and_".join(lowerCAmelCase__   )




def  a   (lowerCAmelCase__   ):
   with open(lowerCAmelCase__		,				"""r"""		,				encoding="""utf-8"""		,				newline="""\n"""   ) as f:
      __a					=  f.readlines()

   __a					=  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
   __a					=  []
   while not lines[line_index].startswith("""if TYPE_CHECKING"""   ) and find_backend(lines[line_index]   ) is None:
      __a					=  lines[line_index]
      # If we have everything on a single line, let's deal with it.
      if _re_one_line_import_struct.search(lowerCAmelCase__   ):
         __a					=  _re_one_line_import_struct.search(lowerCAmelCase__   ).groups()[0]
         __a					=  re.findall("""\[([^\]]+)\]"""		,				lowerCAmelCase__   )
         for imp in imports:
            objects.extend([obj[1:-1] for obj in imp.split(""", """   )]   )
         line_index += 1
         continue
      __a					=  _re_import_struct_key_value.search(lowerCAmelCase__   )
      if single_line_import_search is not None:
         __a					=  [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

   __a					=  {"""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.
      __a					=  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:
         __a					=  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

         __a					=  []
         # Until we unindent, add backend objects to the list
         while len(lines[line_index]   ) <= 1 or lines[line_index].startswith(""" """ * 4   ):
            __a					=  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:
               __a					=  _re_import_struct_add_many.search(lowerCAmelCase__   ).groups()[0].split(""", """   )
               __a					=  [obj[1:-1] for obj in imports if len(lowerCAmelCase__   ) > 0]
               objects.extend(lowerCAmelCase__   )
            elif _re_between_brackets.search(lowerCAmelCase__   ) is not None:
               __a					=  _re_between_brackets.search(lowerCAmelCase__   ).groups()[0].split(""", """   )
               __a					=  [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

         __a					=  objects
      else:
         line_index += 1

    # At this stage we are in the TYPE_CHECKING part, first grab the objects without a specific backend
   __a					=  []
   while (
       line_index < len(lowerCAmelCase__   )
       and find_backend(lines[line_index]   ) is None
       and not lines[line_index].startswith("""else"""   )
   ):
      __a					=  lines[line_index]
      __a					=  _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

   __a					=  {"""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.
      __a					=  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:
         __a					=  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

         __a					=  []
         # Until we unindent, add backend objects to the list
         while len(lines[line_index]   ) <= 1 or lines[line_index].startswith(""" """ * 8   ):
            __a					=  lines[line_index]
            __a					=  _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

         __a					=  objects
      else:
         line_index += 1

   return import_dict_objects, type_hint_objects




def  a   (lowerCAmelCase__		,				lowerCAmelCase__   ):

   def find_duplicates(lowerCAmelCase__   ):
      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!"]

   __a					=  []
   for key in import_dict_objects.keys():
      __a					=  find_duplicates(import_dict_objects[key]   )
      if duplicate_imports:
         errors.append(f'''Duplicate _import_structure definitions for: {duplicate_imports}'''   )
      __a					=  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]   )   ):
         __a					=  """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   ():
   __a					=  []
   for root, _, files in os.walk(lowerCAmelCase__   ):
      if "__init__.py" in files:
         __a					=  os.path.join(lowerCAmelCase__		,				"""__init__.py"""   )
         __a					=  parse_init(lowerCAmelCase__   )
         if objects is not None:
            __a					=  analyze_results(*lowerCAmelCase__   )
            if len(lowerCAmelCase__   ) > 0:
               __a					=  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  a   ():
   __a					=  []
   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
         __a					=  str((Path(lowerCAmelCase__   ) / folder).relative_to(lowerCAmelCase__   )   )
         __a					=  short_path.replace(os.path.sep		,				"""."""   )
         submodules.append(lowerCAmelCase__   )
      for fname in files:
         if fname == "__init__.py":
            continue
         __a					=  str((Path(lowerCAmelCase__   ) / fname).relative_to(lowerCAmelCase__   )   )
         __a					=  short_path.replace(""".py"""		,				""""""   ).replace(os.path.sep		,				"""."""   )
         if len(submodule.split("""."""   )   ) == 1:
            submodules.append(lowerCAmelCase__   )
   return submodules


SCREAMING_SNAKE_CASE							    =							[
    'convert_pytorch_checkpoint_to_tf2',
    'modeling_flax_pytorch_utils',
]




def  a   ():
   # This is to make sure the transformers module imported is the one in the repo.
   __a					=  importlib.util.spec_from_file_location(
       """transformers"""		,				os.path.join(lowerCAmelCase__		,				"""__init__.py"""   )		,				submodule_search_locations=[PATH_TO_TRANSFORMERS]		,				)
   __a					=  spec.loader.load_module()

   __a					=  [
       module
       for module in get_transformers_submodules()
       if module not in IGNORE_SUBMODULES and module not in transformers._import_structure.keys()
   ]
   if len(lowerCAmelCase__   ) > 0:
      __a					=  """\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






def A__       (	UpperCAmelCase_    ,    UpperCAmelCase_				):
						_UpperCamelCase							,     _UpperCamelCase   :						Dict												=  position
						_UpperCamelCase   :						Any												=  [
						    (y + 1, x + 2),
						    (y - 1, x + 2),
						    (y + 1, x - 2),
						    (y - 1, x - 2),
						    (y + 2, x + 1),
						    (y + 2, x - 1),
						    (y - 2, x + 1),
						    (y - 2, x - 1),
						]
						_UpperCamelCase   :						Optional[Any]												=  []

						for position in positions:
												_UpperCamelCase							,     _UpperCamelCase   :						Any												=  position
												if 0 <= y_test < n and 0 <= x_test < n:
																		permissible_positions.append(UpperCAmelCase_				)

						return permissible_positions






def A__       (	UpperCAmelCase_				):
						return not any(elem == 0 for row in board for elem in row				)






def A__       (	UpperCAmelCase_    ,    UpperCAmelCase_    ,    UpperCAmelCase_				):

						if is_complete(UpperCAmelCase_				):
												return True

						for position in get_valid_pos(UpperCAmelCase_    ,    len(UpperCAmelCase_				)				):
												_UpperCamelCase							,     _UpperCamelCase   :						Any												=  position

												if board[y][x] == 0:
																		_UpperCamelCase   :						int												=  curr + 1
																		if open_knight_tour_helper(UpperCAmelCase_    ,    UpperCAmelCase_    ,    curr + 1				):
																								return True
																		_UpperCamelCase   :						Union[str, Any]												=  0

						return False






def A__       (	UpperCAmelCase_				):
						_UpperCamelCase   :						Dict												=  [[0 for i in range(UpperCAmelCase_				)] for j in range(UpperCAmelCase_				)]

						for i in range(UpperCAmelCase_				):
												for j in range(UpperCAmelCase_				):
																		_UpperCamelCase   :						Tuple												=  1
																		if open_knight_tour_helper(UpperCAmelCase_    ,    (i, j)    ,    1				):
																								return board
																		_UpperCamelCase   :						Union[str, Any]												=  0

						_UpperCamelCase   :						int												=  f'Open Kight Tour cannot be performed on a board of size {n}'
						raise ValueError(UpperCAmelCase_				)


if __name__ == "__main__":
					import doctest

					doctest.testmod()


