


"""simple docstring"""
import collections
import importlib.util
import os
import re
from pathlib import Path


__SCREAMING_SNAKE_CASE							:			str						=			"""src/transformers"""


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







def   _a (					_SCREAMING_SNAKE_CASE )			-> Dict:
							if _re_test_backend.search(_lowercase ) is None:
														return None
							snake_case_							=						[b[0] for b in _re_backend.findall(_lowercase )]
							backends.sort()
							return "_and_".join(_lowercase )







def   _a (					_SCREAMING_SNAKE_CASE )			-> str:
							with open(_lowercase ,       """r""" ,       encoding="""utf-8""" ,       newline="""\n""" ) as f:
														snake_case_							=						f.readlines()

							snake_case_							=						0
							while line_index < len(_lowercase ) and not lines[line_index].startswith("""_import_structure = {""" ):
														line_index += 1

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

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

							snake_case_							=						{"""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.
														snake_case_							=						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:
																					snake_case_							=						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

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

																					snake_case_							=						objects
														else:
																					line_index += 1

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

							snake_case_							=						{"""none""": objects}
							# Let's continue with backend-specific objects
							while line_index < len(_lowercase ):
														# If the line is an if is_backend_available, we grab all objects associated.
														snake_case_							=						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:
																					snake_case_							=						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

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

																					snake_case_							=						objects
														else:
																					line_index += 1

							return import_dict_objects, type_hint_objects







def   _a (					_SCREAMING_SNAKE_CASE ,       _SCREAMING_SNAKE_CASE )			-> Union[str, Any]:

							def find_duplicates(_SCREAMING_SNAKE_CASE ):
														return [k for k, v in collections.Counter(_lowercase ).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!"]

							snake_case_							=						[]
							for key in import_dict_objects.keys():
														snake_case_							=						find_duplicates(import_dict_objects[key] )
														if duplicate_imports:
																					errors.append(f"""Duplicate _import_structure definitions for: {duplicate_imports}""" )
														snake_case_							=						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] ) ):
																					snake_case_							=						"""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 (					)			-> Optional[int]:
							snake_case_							=						[]
							for root, _, files in os.walk(_lowercase ):
														if "__init__.py" in files:
																					snake_case_							=						os.path.join(_lowercase ,       """__init__.py""" )
																					snake_case_							=						parse_init(_lowercase )
																					if objects is not None:
																												snake_case_							=						analyze_results(*_lowercase )
																												if len(_lowercase ) > 0:
																																			snake_case_							=						f"""Problem in {fname}, both halves do not define the same objects.\n{errors[0]}"""
																																			failures.append("""\n""".join(_lowercase ) )
							if len(_lowercase ) > 0:
														raise ValueError("""\n\n""".join(_lowercase ) )







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


__SCREAMING_SNAKE_CASE							:			Tuple						=			[
    """convert_pytorch_checkpoint_to_tf2""",
    """modeling_flax_pytorch_utils""",
]







def   _a (					)			-> List[str]:
							# This is to make sure the transformers module imported is the one in the repo.
							snake_case_							=						importlib.util.spec_from_file_location(
							    """transformers""" ,       os.path.join(_lowercase ,       """__init__.py""" ) ,       submodule_search_locations=[PATH_TO_TRANSFORMERS] ,       )
							snake_case_							=						spec.loader.load_module()

							snake_case_							=						[
							    module
							    for module in get_transformers_submodules()
							    if module not in IGNORE_SUBMODULES and module not in transformers._import_structure.keys()
							]
							if len(_lowercase ) > 0:
														snake_case_							=						"""\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       __lowerCamelCase  (					_lowercase	,				_lowercase		)      ->			int:
							if b == 0:
														return 1
							if (b % 2) == 0:
														return actual_power(_lowercase	,				int(b / 2		)		) * actual_power(_lowercase	,				int(b / 2		)		)
							else:
														return a * actual_power(_lowercase	,				int(b / 2		)		) * actual_power(_lowercase	,				int(b / 2		)		)



def       __lowerCamelCase  (					_lowercase	,				_lowercase		)      ->			float:
							if b < 0:
														return 1 / actual_power(_lowercase	,				_lowercase		)
							return actual_power(_lowercase	,				_lowercase		)


if __name__ == "__main__":
							print(power(-2, -3))

