
import collections
import os
import re
from pathlib import Path


UpperCAmelCase       =					'''src/transformers'''


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






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






def 				UpperCAmelCase_						(				__SCREAMING_SNAKE_CASE				):
	with open(__SCREAMING_SNAKE_CASE					,				'r'					,				encoding='utf-8'					,				newline='\n'				) as f:
		lowercase	    =       f.readlines()

	lowercase	    =       0
	while line_index < len(__SCREAMING_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(__SCREAMING_SNAKE_CASE				):
		return None

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

	lowercase	    =       {'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.
		lowercase	    =       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:
			lowercase	    =       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

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

			lowercase	    =       objects
		else:
			line_index += 1

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

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

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

			lowercase	    =       objects
		else:
			line_index += 1

	return import_dict_objects, type_hint_objects






def 				UpperCAmelCase_						(				__SCREAMING_SNAKE_CASE					,				__SCREAMING_SNAKE_CASE				):

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

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






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


UpperCAmelCase       =					[
    '''convert_pytorch_checkpoint_to_tf2''',
    '''modeling_flax_pytorch_utils''',
    '''models.esm.openfold_utils''',
]






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

	lowercase	    =       direct_transformers_import(__SCREAMING_SNAKE_CASE				)

	lowercase	    =       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(__SCREAMING_SNAKE_CASE					,				'__init__.py'				)					,				'r'				) as f:
		lowercase	    =       f.read()
	import_structure_keys.update(set(re.findall(r'import_structure\[\"([^\"]*)\"\]'					,				__SCREAMING_SNAKE_CASE				)				)				)

	lowercase	    =       [
	    module
	    for module in get_transformers_submodules()
	    if module not in IGNORE_SUBMODULES and module not in import_structure_keys
	]

	if len(__SCREAMING_SNAKE_CASE				) > 0:
		lowercase	    =       '\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()






from typing import Callable, Optional

from .. import Features
from ..packaged_modules.generator.generator import Generator
from .abc import AbstractDatasetInputStream



class        lowerCAmelCase__					(  _lowerCamelCase       ):


				def __init__(							self      :  int						, __UpperCamelCase      :  Callable						, __UpperCamelCase      :  Optional[Features] = None						, __UpperCamelCase      :  str = None						, __UpperCamelCase      :  bool = False						, __UpperCamelCase      :  bool = False						, __UpperCamelCase      :  Optional[dict] = None						, __UpperCamelCase      :  Optional[int] = None						, **__UpperCamelCase      :  str						, )		->     List[str]:
											super().__init__(
											    features=__UpperCamelCase						, cache_dir=__UpperCamelCase						, keep_in_memory=__UpperCamelCase						, streaming=__UpperCamelCase						, num_proc=__UpperCamelCase						, **__UpperCamelCase						, )
											A      						=    Generator(
											    cache_dir=__UpperCamelCase						, features=__UpperCamelCase						, generator=__UpperCamelCase						, gen_kwargs=__UpperCamelCase						, **__UpperCamelCase						, )


				def __UpperCamelCase						(							self      :  Union[str, Any]       )		->     Tuple:
											# Build iterable dataset
											if self.streaming:
																		A      						=    self.builder.as_streaming_dataset(split='train'       )
											# Build regular (map-style) dataset
											else:
																		A      						=    None
																		A      						=    None
																		A      						=    None
																		A      						=    None

																		self.builder.download_and_prepare(
																		    download_config=__UpperCamelCase						, download_mode=__UpperCamelCase						, verification_mode=__UpperCamelCase						, base_path=__UpperCamelCase						, num_proc=self.num_proc						, )
																		A      						=    self.builder.as_dataset(
																		    split='train'						, verification_mode=__UpperCamelCase						, in_memory=self.keep_in_memory       )
											return dataset