
"""simple docstring"""


import argparse
import os
import re


SCREAMING_SNAKE_CASE      =     """src/transformers"""

# Pattern that looks at the indentation in a line.
SCREAMING_SNAKE_CASE      =     re.compile(R"""^(\s*)\S""")
# Pattern that matches `"key":" and puts `key` in group 0.
SCREAMING_SNAKE_CASE      =     re.compile(R"""^\s*\"([^\"]+)\":""")
# Pattern that matches `_import_structure["key"]` and puts `key` in group 0.
SCREAMING_SNAKE_CASE      =     re.compile(R"""^\s*_import_structure\[\"([^\"]+)\"\]""")
# Pattern that matches `"key",` and puts `key` in group 0.
SCREAMING_SNAKE_CASE      =     re.compile(R"""^\s*\"([^\"]+)\",\s*$""")
# Pattern that matches any `[stuff]` and puts `stuff` in group 0.
SCREAMING_SNAKE_CASE      =     re.compile(R"""\[([^\]]+)\]""")



def 	lowerCamelCase__			(							UpperCAmelCase_				)->							Tuple:







       """simple docstring"""
       UpperCamelCase					 =		_re_indent.search(UpperCAmelCase_				)
       return "" if search is None else search.groups()[0]



def 	lowerCamelCase__			(							UpperCAmelCase_		,      UpperCAmelCase_=""		,      UpperCAmelCase_=None		,      UpperCAmelCase_=None				)->							int:







       """simple docstring"""
       UpperCamelCase					 =		0
       UpperCamelCase					 =		code.split("\n"				)
       if start_prompt is not None:
              while not lines[index].startswith(UpperCAmelCase_				):
                     index += 1
              UpperCamelCase					 =		["\n".join(lines[:index]				)]
       else:
              UpperCamelCase					 =		[]

       # We split into blocks until we get to the `end_prompt` (or the end of the block).
       UpperCamelCase					 =		[lines[index]]
       index += 1
       while index < len(UpperCAmelCase_				) and (end_prompt is None or not lines[index].startswith(UpperCAmelCase_				)):
              if len(lines[index]				) > 0 and get_indent(lines[index]				) == indent_level:
                     if len(UpperCAmelCase_				) > 0 and get_indent(current_block[-1]				).startswith(indent_level + " "				):
                            current_block.append(lines[index]				)
                            blocks.append("\n".join(UpperCAmelCase_				)				)
                            if index < len(UpperCAmelCase_				) - 1:
                                   UpperCamelCase					 =		[lines[index + 1]]
                                   index += 1
                            else:
                                   UpperCamelCase					 =		[]
                     else:
                            blocks.append("\n".join(UpperCAmelCase_				)				)
                            UpperCamelCase					 =		[lines[index]]
              else:
                     current_block.append(lines[index]				)
              index += 1

       # Adds current block if it's nonempty.
       if len(UpperCAmelCase_				) > 0:
              blocks.append("\n".join(UpperCAmelCase_				)				)

       # Add final block after end_prompt if provided.
       if end_prompt is not None and index < len(UpperCAmelCase_				):
              blocks.append("\n".join(lines[index:]				)				)

       return blocks



def 	lowerCamelCase__			(							UpperCAmelCase_				)->							int:







       """simple docstring"""

       def _inner(UpperCAmelCase_				):
              return key(UpperCAmelCase_				).lower().replace("_"		,      ""				)

       return _inner



def 	lowerCamelCase__			(							UpperCAmelCase_		,      UpperCAmelCase_=None				)->							List[Any]:







       """simple docstring"""

       # If no key is provided, we use a noop.
       def noop(UpperCAmelCase_				):
              return x

       if key is None:
              UpperCamelCase					 =		noop
       # Constants are all uppercase, they go first.
       UpperCamelCase					 =		[obj for obj in objects if key(UpperCAmelCase_				).isupper()]
       # Classes are not all uppercase but start with a capital, they go second.
       UpperCamelCase					 =		[obj for obj in objects if key(UpperCAmelCase_				)[0].isupper() and not key(UpperCAmelCase_				).isupper()]
       # Functions begin with a lowercase, they go last.
       UpperCamelCase					 =		[obj for obj in objects if not key(UpperCAmelCase_				)[0].isupper()]

       UpperCamelCase					 =		ignore_underscore(UpperCAmelCase_				)
       return sorted(UpperCAmelCase_		,      key=UpperCAmelCase_				) + sorted(UpperCAmelCase_		,      key=UpperCAmelCase_				) + sorted(UpperCAmelCase_		,      key=UpperCAmelCase_				)



def 	lowerCamelCase__			(							UpperCAmelCase_				)->							int:







       """simple docstring"""

       # This inner function sort imports between [ ].
       def _replace(UpperCAmelCase_				):
              UpperCamelCase					 =		match.groups()[0]
              if "," not in imports:
                     return F"[{imports}]"
              UpperCamelCase					 =		[part.strip().replace("\""		,      ""				) for part in imports.split(","				)]
              # We will have a final empty element if the line finished with a comma.
              if len(keys[-1]				) == 0:
                     UpperCamelCase					 =		keys[:-1]
              return "[" + ", ".join([F"\"{k}\"" for k in sort_objects(UpperCAmelCase_				)]				) + "]"

       UpperCamelCase					 =		import_statement.split("\n"				)
       if len(UpperCAmelCase_				) > 3:
              # Here we have to sort internal imports that are on several lines (one per name):
              # key: [
              #     "object1",
              #     "object2",
              #     ...
              # ]

              # We may have to ignore one or two lines on each side.
              UpperCamelCase					 =		2 if lines[1].strip() == "[" else 1
              UpperCamelCase					 =		[(i, _re_strip_line.search(UpperCAmelCase_				).groups()[0]) for i, line in enumerate(lines[idx:-idx]				)]
              UpperCamelCase					 =		sort_objects(UpperCAmelCase_		,      key=lambda UpperCAmelCase_				: x[1]				)
              UpperCamelCase					 =		[lines[x[0] + idx] for x in sorted_indices]
              return "\n".join(lines[:idx] + sorted_lines + lines[-idx:]				)
       elif len(UpperCAmelCase_				) == 3:
              # Here we have to sort internal imports that are on one separate line:
              # key: [
              #     "object1", "object2", ...
              # ]
              if _re_bracket_content.search(lines[1]				) is not None:
                     UpperCamelCase					 =		_re_bracket_content.sub(_replace		,      lines[1]				)
              else:
                     UpperCamelCase					 =		[part.strip().replace("\""		,      ""				) for part in lines[1].split(","				)]
                     # We will have a final empty element if the line finished with a comma.
                     if len(keys[-1]				) == 0:
                            UpperCamelCase					 =		keys[:-1]
                     UpperCamelCase					 =		get_indent(lines[1]				) + ", ".join([F"\"{k}\"" for k in sort_objects(UpperCAmelCase_				)]				)
              return "\n".join(UpperCAmelCase_				)
       else:
              # Finally we have to deal with imports fitting on one line
              UpperCamelCase					 =		_re_bracket_content.sub(_replace		,      UpperCAmelCase_				)
              return import_statement



def 	lowerCamelCase__			(							UpperCAmelCase_		,      UpperCAmelCase_=True				)->							List[Any]:







       """simple docstring"""
       with open(UpperCAmelCase_		,      encoding="utf-8"				) as f:
              UpperCamelCase					 =		f.read()

       if "_import_structure" not in code:
              return

       # Blocks of indent level 0
       UpperCamelCase					 =		split_code_in_indented_blocks(
           UpperCAmelCase_		,      start_prompt="_import_structure = {"		,      end_prompt="if TYPE_CHECKING:"				)

       # We ignore block 0 (everything untils start_prompt) and the last block (everything after end_prompt).
       for block_idx in range(1		,      len(UpperCAmelCase_				) - 1				):
              # Check if the block contains some `_import_structure`s thingy to sort.
              UpperCamelCase					 =		main_blocks[block_idx]
              UpperCamelCase					 =		block.split("\n"				)

              # Get to the start of the imports.
              UpperCamelCase					 =		0
              while line_idx < len(UpperCAmelCase_				) and "_import_structure" not in block_lines[line_idx]:
                     # Skip dummy import blocks
                     if "import dummy" in block_lines[line_idx]:
                            UpperCamelCase					 =		len(UpperCAmelCase_				)
                     else:
                            line_idx += 1
              if line_idx >= len(UpperCAmelCase_				):
                     continue

              # Ignore beginning and last line: they don't contain anything.
              UpperCamelCase					 =		"\n".join(block_lines[line_idx:-1]				)
              UpperCamelCase					 =		get_indent(block_lines[1]				)
              # Slit the internal block into blocks of indent level 1.
              UpperCamelCase					 =		split_code_in_indented_blocks(UpperCAmelCase_		,      indent_level=UpperCAmelCase_				)
              # We have two categories of import key: list or _import_structure[key].append/extend
              UpperCamelCase					 =		_re_direct_key if "_import_structure = {" in block_lines[0] else _re_indirect_key
              # Grab the keys, but there is a trap: some lines are empty or just comments.
              UpperCamelCase					 =		[(pattern.search(UpperCAmelCase_				).groups()[0] if pattern.search(UpperCAmelCase_				) is not None else None) for b in internal_blocks]
              # We only sort the lines with a key.
              UpperCamelCase					 =		[(i, key) for i, key in enumerate(UpperCAmelCase_				) if key is not None]
              UpperCamelCase					 =		[x[0] for x in sorted(UpperCAmelCase_		,      key=lambda UpperCAmelCase_				: x[1]				)]

              # We reorder the blocks by leaving empty lines/comments as they were and reorder the rest.
              UpperCamelCase					 =		0
              UpperCamelCase					 =		[]
              for i in range(len(UpperCAmelCase_				)				):
                     if keys[i] is None:
                            reorderded_blocks.append(internal_blocks[i]				)
                     else:
                            UpperCamelCase					 =		sort_objects_in_import(internal_blocks[sorted_indices[count]]				)
                            reorderded_blocks.append(UpperCAmelCase_				)
                            count += 1

        # And we put our main block back together with its first and last line.
              UpperCamelCase					 =		"\n".join(block_lines[:line_idx] + reorderded_blocks + [block_lines[-1]]				)

       if code != "\n".join(UpperCAmelCase_				):
              if check_only:
                     return True
              else:
                     print(F"Overwriting {file}."				)
                     with open(UpperCAmelCase_		,      "w"		,      encoding="utf-8"				) as f:
                            f.write("\n".join(UpperCAmelCase_				)				)



def 	lowerCamelCase__			(							UpperCAmelCase_=True				)->							Dict:







       """simple docstring"""
       UpperCamelCase					 =		[]
       for root, _, files in os.walk(UpperCAmelCase_				):
              if "__init__.py" in files:
                     UpperCamelCase					 =		sort_imports(os.path.join(UpperCAmelCase_		,      "__init__.py"				)		,      check_only=UpperCAmelCase_				)
                     if result:
                            UpperCamelCase					 =		[os.path.join(UpperCAmelCase_		,      "__init__.py"				)]
       if len(UpperCAmelCase_				) > 0:
              raise ValueError(F"Would overwrite {len(UpperCAmelCase_				)} files, run `make style`."				)


if __name__ == "__main__":
      SCREAMING_SNAKE_CASE      =     argparse.ArgumentParser()
      parser.add_argument("""--check_only""", action="""store_true""", help="""Whether to only check or fix style.""")
      SCREAMING_SNAKE_CASE      =     parser.parse_args()

      sort_imports_in_all_inits(check_only=args.check_only)







"""simple docstring"""


import os
from argparse import ArgumentParser
from typing import List

import torch.utils.data

from datasets import Dataset, IterableDataset
from datasets.distributed import split_dataset_by_node


SCREAMING_SNAKE_CASE      =     4
SCREAMING_SNAKE_CASE      =     3



class   __a  (      _lowerCAmelCase	):
       pass





def 	lowerCamelCase__			(							UpperCAmelCase_				)->							List[str]:







       """simple docstring"""
       for shard in shards:
              for i in range(UpperCAmelCase_				):
                     yield {"i": i, "shard": shard}



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







       """simple docstring"""
       UpperCamelCase					 =		int(os.environ["RANK"]				)
       UpperCamelCase					 =		int(os.environ["WORLD_SIZE"]				)

       UpperCamelCase					 =		ArgumentParser()
       parser.add_argument("--streaming"		,      type=UpperCAmelCase_				)
       parser.add_argument("--local_rank"		,      type=UpperCAmelCase_				)
       parser.add_argument("--num_workers"		,      type=UpperCAmelCase_		,      default=0				)
       UpperCamelCase					 =		parser.parse_args()
       UpperCamelCase					 =		args.streaming
       UpperCamelCase					 =		args.num_workers

       UpperCamelCase					 =		{"shards": [F"shard_{shard_idx}" for shard_idx in range(UpperCAmelCase_				)]}
       UpperCamelCase					 =		IterableDataset.from_generator(UpperCAmelCase_		,      gen_kwargs=UpperCAmelCase_				)
       if not streaming:
              UpperCamelCase					 =		Dataset.from_list(list(UpperCAmelCase_				)				)

       UpperCamelCase					 =		split_dataset_by_node(UpperCAmelCase_		,      rank=UpperCAmelCase_		,      world_size=UpperCAmelCase_				)
       UpperCamelCase					 =		torch.utils.data.DataLoader(UpperCAmelCase_		,      num_workers=UpperCAmelCase_				)

       UpperCamelCase					 =		NUM_SHARDS * NUM_ITEMS_PER_SHARD
       UpperCamelCase					 =		full_size // world_size
       expected_local_size += int(rank < (full_size % world_size)				)

       UpperCamelCase					 =		sum(1 for _ in dataloader				)
       if local_size != expected_local_size:
              raise FailedTestError(F"local_size {local_size} != expected_local_size {expected_local_size}"				)


if __name__ == "__main__":
      main()





