

import collections
import os
import re
from pathlib import Path


lowerCAmelCase_			      =      '''src/transformers'''


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


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


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

						snake_case_  =      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
						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(SCREAMING_SNAKE_CASE__			):
																		snake_case_  =      _re_one_line_import_struct.search(SCREAMING_SNAKE_CASE__			).groups()[0]
																		snake_case_  =      re.findall(R'''\[([^\]]+)\]'''    ,						SCREAMING_SNAKE_CASE__			)
																		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(SCREAMING_SNAKE_CASE__			)
												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(SCREAMING_SNAKE_CASE__			) > 0]
																		objects.extend(SCREAMING_SNAKE_CASE__			)
												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(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:
																														snake_case_  =      _re_import_struct_add_many.search(SCREAMING_SNAKE_CASE__			).groups()[0].split(''', '''			)
																														snake_case_  =      [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:
																														snake_case_  =      _re_between_brackets.search(SCREAMING_SNAKE_CASE__			).groups()[0].split(''', '''			)
																														snake_case_  =      [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

																		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(SCREAMING_SNAKE_CASE__			)
						    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(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

						snake_case_  =      {'''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.
												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(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

																		snake_case_  =      objects
												else:
																		line_index += 1

						return import_dict_objects, type_hint_objects


def     __SCREAMING_SNAKE_CASE   (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!"]

						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     __SCREAMING_SNAKE_CASE   ():
						snake_case_  =      []
						for root, _, files in os.walk(SCREAMING_SNAKE_CASE__			):
												if "__init__.py" in files:
																		snake_case_  =      os.path.join(SCREAMING_SNAKE_CASE__    ,						'''__init__.py'''			)
																		snake_case_  =      parse_init(SCREAMING_SNAKE_CASE__			)
																		if objects is not None:
																								snake_case_  =      analyze_results(*SCREAMING_SNAKE_CASE__			)
																								if len(SCREAMING_SNAKE_CASE__			) > 0:
																														snake_case_  =      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     __SCREAMING_SNAKE_CASE   ():
						snake_case_  =      []
						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
																		snake_case_  =      str((Path(SCREAMING_SNAKE_CASE__			) / folder).relative_to(SCREAMING_SNAKE_CASE__			)			)
																		snake_case_  =      short_path.replace(os.path.sep    ,						'''.'''			)
																		submodules.append(SCREAMING_SNAKE_CASE__			)
												for fname in files:
																		if fname == "__init__.py":
																								continue
																		snake_case_  =      str((Path(SCREAMING_SNAKE_CASE__			) / fname).relative_to(SCREAMING_SNAKE_CASE__			)			)
																		snake_case_  =      short_path.replace('''.py'''    ,						''''''			).replace(os.path.sep    ,						'''.'''			)
																		if len(submodule.split('''.'''			)			) == 1:
																								submodules.append(SCREAMING_SNAKE_CASE__			)
						return submodules


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


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

						snake_case_  =      direct_transformers_import(SCREAMING_SNAKE_CASE__			)

						snake_case_  =      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:
												snake_case_  =      f.read()
						import_structure_keys.update(set(re.findall(R'''import_structure\[\"([^\"]*)\"\]'''    ,						SCREAMING_SNAKE_CASE__			)			)			)

						snake_case_  =      [
						    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:
												snake_case_  =      '''\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()
"""simple docstring"""



import argparse
import shutil
from pathlib import Path

from tqdm import tqdm

from transformers import AutoTokenizer

def  _A(		lowerCAmelCase			,  lowerCAmelCase			,  lowerCAmelCase			,  lowerCAmelCase=1024							):
							A__				,							A__       :     Any								=			[], []

							A__       :     List[Any]								=			list(zip(lowerCAmelCase			,  lowerCAmelCase							)							)
							A__				,							A__       :     Optional[int]								=			sorted_examples[0]

							def is_too_big(lowerCAmelCase							):
														return tok(lowerCAmelCase			,  return_tensors="""pt"""							).input_ids.shape[1] > max_tokens

							for src, tgt in tqdm(sorted_examples[1:]							):
														A__       :     List[Any]								=			new_src + """ """ + src
														A__       :     List[str]								=			new_tgt + """ """ + tgt
														if is_too_big(lowerCAmelCase							) or is_too_big(lowerCAmelCase							):  # cant fit, finalize example
																					finished_src.append(lowerCAmelCase							)
																					finished_tgt.append(lowerCAmelCase							)
																					A__				,							A__       :     str								=			src, tgt
														else:  # can fit, keep adding
																					A__				,							A__       :     Union[str, Any]								=			cand_src, cand_tgt

    # cleanup
							if new_src:
														assert new_tgt
														finished_src.append(lowerCAmelCase							)
														finished_tgt.append(lowerCAmelCase							)
							return finished_src, finished_tgt

def  _A(		lowerCAmelCase			,  lowerCAmelCase			,  lowerCAmelCase			,  lowerCAmelCase							):
							A__       :     Optional[int]								=			Path(lowerCAmelCase							)
							save_path.mkdir(exist_ok=lowerCAmelCase							)
							for split in ["train"]:
														A__				,							A__       :     List[Any]								=			data_dir / F'''{split}.source''', data_dir / F'''{split}.target'''
														A__       :     Tuple								=			[x.rstrip() for x in Path(lowerCAmelCase							).open().readlines()]
														A__       :     Union[str, Any]								=			[x.rstrip() for x in Path(lowerCAmelCase							).open().readlines()]
														A__				,							A__       :     Tuple								=			pack_examples(lowerCAmelCase			,  lowerCAmelCase			,  lowerCAmelCase			,  lowerCAmelCase							)
														print(F'''packed {split} split from {len(lowerCAmelCase							)} examples -> {len(lowerCAmelCase							)}.'''							)
														Path(save_path / F'''{split}.source'''							).open("""w"""							).write("""\n""".join(lowerCAmelCase							)							)
														Path(save_path / F'''{split}.target'''							).open("""w"""							).write("""\n""".join(lowerCAmelCase							)							)
							for split in ["val", "test"]:
														A__				,							A__       :     Dict								=			data_dir / F'''{split}.source''', data_dir / F'''{split}.target'''
														shutil.copyfile(lowerCAmelCase			,  save_path / F'''{split}.source'''							)
														shutil.copyfile(lowerCAmelCase			,  save_path / F'''{split}.target'''							)

def  _A(		):
							A__       :     str								=			argparse.ArgumentParser()
							parser.add_argument("""--tok_name"""			,  type=lowerCAmelCase			,  help="""like facebook/bart-large-cnn,t5-base, etc."""							)
							parser.add_argument("""--max_seq_len"""			,  type=lowerCAmelCase			,  default=128							)
							parser.add_argument("""--data_dir"""			,  type=lowerCAmelCase							)
							parser.add_argument("""--save_path"""			,  type=lowerCAmelCase							)
							A__       :     str								=			parser.parse_args()
							A__       :     Optional[Any]								=			AutoTokenizer.from_pretrained(args.tok_name							)
							return pack_data_dir(lowerCAmelCase			,  Path(args.data_dir							)			,  args.max_seq_len			,  args.save_path							)


if __name__ == "__main__":
				packer_cli()





