






'''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


lowerCAmelCase__          =						4
lowerCAmelCase__          =						3







class       __lowercase					(__lowerCamelCase    ):
	pass







def       __UpperCAmelCase						(  lowerCamelCase_)							->     Optional[Any]:
		for shard in shards:
				for i in range(lowerCamelCase_):
						yield {"i": i, "shard": shard}







def       __UpperCAmelCase						(  )							->     Tuple:
		UpperCamelCase__				:					str					=					int(os.environ['RANK'])
		UpperCamelCase__				:					str					=					int(os.environ['WORLD_SIZE'])

		UpperCamelCase__				:					int					=					ArgumentParser()
		parser.add_argument('--streaming'     ,      type=lowerCamelCase_)
		parser.add_argument('--local_rank'     ,      type=lowerCamelCase_)
		parser.add_argument('--num_workers'     ,      type=lowerCamelCase_     ,      default=0)
		UpperCamelCase__				:					str					=					parser.parse_args()
		UpperCamelCase__				:					List[str]					=					args.streaming
		UpperCamelCase__				:					int					=					args.num_workers

		UpperCamelCase__				:					Tuple					=					{'shards': [f'shard_{shard_idx}' for shard_idx in range(lowerCamelCase_)]}
		UpperCamelCase__				:					int					=					IterableDataset.from_generator(lowerCamelCase_     ,      gen_kwargs=lowerCamelCase_)
		if not streaming:
				UpperCamelCase__				:					List[Any]					=					Dataset.from_list(list(lowerCamelCase_))

		UpperCamelCase__				:					Union[str, Any]					=					split_dataset_by_node(lowerCamelCase_     ,      rank=lowerCamelCase_     ,      world_size=lowerCamelCase_)
		UpperCamelCase__				:					List[str]					=					torch.utils.data.DataLoader(lowerCamelCase_     ,      num_workers=lowerCamelCase_)

		UpperCamelCase__				:					Any					=					NUM_SHARDS * NUM_ITEMS_PER_SHARD
		UpperCamelCase__				:					Any					=					full_size // world_size
		expected_local_size += int(rank < (full_size % world_size))

		UpperCamelCase__				:					Dict					=					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()












'''simple docstring'''




import json
import os
import shutil
import tempfile
import unittest

import numpy as np
import pytest

from transformers import CLIPTokenizer, CLIPTokenizerFast
from transformers.models.clip.tokenization_clip import VOCAB_FILES_NAMES
from transformers.testing_utils import require_vision
from transformers.utils import IMAGE_PROCESSOR_NAME, is_vision_available


if is_vision_available():
		from PIL import Image

		from transformers import CLIPImageProcessor, CLIPProcessor







@require_vision
class       __lowercase					(unittest.TestCase    ):

	def      __UpperCamelCase							(      self   :						List[Any]):
			UpperCamelCase__				:					int					=					tempfile.mkdtemp()

			# fmt: off
			UpperCamelCase__				:					Union[str, Any]					=					['l', 'o', 'w', 'e', 'r', 's', 't', 'i', 'd', 'n', 'lo', 'l</w>', 'w</w>', 'r</w>', 't</w>', 'low</w>', 'er</w>', 'lowest</w>', 'newer</w>', 'wider', '<unk>', '<|startoftext|>', '<|endoftext|>']
			# fmt: on
			UpperCamelCase__				:					Dict					=					dict(zip(UpperCAmelCase_  ,					range(len(UpperCAmelCase_))))
			UpperCamelCase__				:					Optional[Any]					=					['#version: 0.2', 'l o', 'lo w</w>', 'e r</w>', '']
			UpperCamelCase__				:					Union[str, Any]					=					{'unk_token': '<unk>'}

			UpperCamelCase__				:					Union[str, Any]					=					os.path.join(self.tmpdirname  ,					VOCAB_FILES_NAMES['vocab_file'])
			UpperCamelCase__				:					Optional[Any]					=					os.path.join(self.tmpdirname  ,					VOCAB_FILES_NAMES['merges_file'])
			with open(self.vocab_file  ,					'w'  ,					encoding='utf-8') as fp:
					fp.write(json.dumps(UpperCAmelCase_) + '\n')
			with open(self.merges_file  ,					'w'  ,					encoding='utf-8') as fp:
					fp.write('\n'.join(UpperCAmelCase_))

			UpperCamelCase__				:					Dict					=					{
			    'do_resize': True,
			    'size': 20,
			    'do_center_crop': True,
			    'crop_size': 18,
			    'do_normalize': True,
			    'image_mean': [0.48_14_54_66, 0.4_57_82_75, 0.40_82_10_73],
			    'image_std': [0.26_86_29_54, 0.26_13_02_58, 0.27_57_77_11],
			}
			UpperCamelCase__				:					Any					=					os.path.join(self.tmpdirname  ,					UpperCAmelCase_)
			with open(self.image_processor_file  ,					'w'  ,					encoding='utf-8') as fp:
					json.dump(UpperCAmelCase_  ,					UpperCAmelCase_)

	def      __UpperCamelCase							(      self   :						Dict  ,					**UpperCAmelCase_   :						Union[str, Any]):
			return CLIPTokenizer.from_pretrained(self.tmpdirname  ,					**UpperCAmelCase_)

	def      __UpperCamelCase							(      self   :						Optional[int]  ,					**UpperCAmelCase_   :						str):
			return CLIPTokenizerFast.from_pretrained(self.tmpdirname  ,					**UpperCAmelCase_)

	def      __UpperCamelCase							(      self   :						Optional[Any]  ,					**UpperCAmelCase_   :						Union[str, Any]):
			return CLIPImageProcessor.from_pretrained(self.tmpdirname  ,					**UpperCAmelCase_)

	def      __UpperCamelCase							(      self   :						str):
			shutil.rmtree(self.tmpdirname)

	def      __UpperCamelCase							(      self   :						Tuple):
			UpperCamelCase__				:					List[str]					=					[np.random.randint(255  ,					size=(3, 30, 400)  ,					dtype=np.uinta)]

			UpperCamelCase__				:					List[str]					=					[Image.fromarray(np.moveaxis(UpperCAmelCase_  ,					0  ,					-1)) for x in image_inputs]

			return image_inputs

	def      __UpperCamelCase							(      self   :						Dict):
			UpperCamelCase__				:					Union[str, Any]					=					self.get_tokenizer()
			UpperCamelCase__				:					Optional[Any]					=					self.get_rust_tokenizer()
			UpperCamelCase__				:					Any					=					self.get_image_processor()

			UpperCamelCase__				:					str					=					CLIPProcessor(tokenizer=UpperCAmelCase_  ,					image_processor=UpperCAmelCase_)
			processor_slow.save_pretrained(self.tmpdirname)
			UpperCamelCase__				:					Any					=					CLIPProcessor.from_pretrained(self.tmpdirname  ,					use_fast=UpperCAmelCase_)

			UpperCamelCase__				:					str					=					CLIPProcessor(tokenizer=UpperCAmelCase_  ,					image_processor=UpperCAmelCase_)
			processor_fast.save_pretrained(self.tmpdirname)
			UpperCamelCase__				:					Optional[int]					=					CLIPProcessor.from_pretrained(self.tmpdirname)

			self.assertEqual(processor_slow.tokenizer.get_vocab()  ,					tokenizer_slow.get_vocab())
			self.assertEqual(processor_fast.tokenizer.get_vocab()  ,					tokenizer_fast.get_vocab())
			self.assertEqual(tokenizer_slow.get_vocab()  ,					tokenizer_fast.get_vocab())
			self.assertIsInstance(processor_slow.tokenizer  ,					UpperCAmelCase_)
			self.assertIsInstance(processor_fast.tokenizer  ,					UpperCAmelCase_)

			self.assertEqual(processor_slow.image_processor.to_json_string()  ,					image_processor.to_json_string())
			self.assertEqual(processor_fast.image_processor.to_json_string()  ,					image_processor.to_json_string())
			self.assertIsInstance(processor_slow.image_processor  ,					UpperCAmelCase_)
			self.assertIsInstance(processor_fast.image_processor  ,					UpperCAmelCase_)

	def      __UpperCamelCase							(      self   :						List[str]):
			UpperCamelCase__				:					Union[str, Any]					=					CLIPProcessor(tokenizer=self.get_tokenizer()  ,					image_processor=self.get_image_processor())
			processor.save_pretrained(self.tmpdirname)

			UpperCamelCase__				:					List[str]					=					self.get_tokenizer(bos_token='(BOS)'  ,					eos_token='(EOS)')
			UpperCamelCase__				:					Tuple					=					self.get_image_processor(do_normalize=UpperCAmelCase_  ,					padding_value=1.0)

			UpperCamelCase__				:					Dict					=					CLIPProcessor.from_pretrained(
			    self.tmpdirname  ,					bos_token='(BOS)'  ,					eos_token='(EOS)'  ,					do_normalize=UpperCAmelCase_  ,					padding_value=1.0)

			self.assertEqual(processor.tokenizer.get_vocab()  ,					tokenizer_add_kwargs.get_vocab())
			self.assertIsInstance(processor.tokenizer  ,					UpperCAmelCase_)

			self.assertEqual(processor.image_processor.to_json_string()  ,					image_processor_add_kwargs.to_json_string())
			self.assertIsInstance(processor.image_processor  ,					UpperCAmelCase_)

	def      __UpperCamelCase							(      self   :						Dict):
			UpperCamelCase__				:					Optional[Any]					=					self.get_image_processor()
			UpperCamelCase__				:					int					=					self.get_tokenizer()

			UpperCamelCase__				:					List[Any]					=					CLIPProcessor(tokenizer=UpperCAmelCase_  ,					image_processor=UpperCAmelCase_)

			UpperCamelCase__				:					int					=					self.prepare_image_inputs()

			UpperCamelCase__				:					int					=					image_processor(UpperCAmelCase_  ,					return_tensors='np')
			UpperCamelCase__				:					Optional[int]					=					processor(images=UpperCAmelCase_  ,					return_tensors='np')

			for key in input_image_proc.keys():
					self.assertAlmostEqual(input_image_proc[key].sum()  ,					input_processor[key].sum()  ,					delta=1e-2)

	def      __UpperCamelCase							(      self   :						Dict):
			UpperCamelCase__				:					Optional[Any]					=					self.get_image_processor()
			UpperCamelCase__				:					Dict					=					self.get_tokenizer()

			UpperCamelCase__				:					List[Any]					=					CLIPProcessor(tokenizer=UpperCAmelCase_  ,					image_processor=UpperCAmelCase_)

			UpperCamelCase__				:					Any					=					'lower newer'

			UpperCamelCase__				:					Union[str, Any]					=					processor(text=UpperCAmelCase_)

			UpperCamelCase__				:					Optional[Any]					=					tokenizer(UpperCAmelCase_)

			for key in encoded_tok.keys():
					self.assertListEqual(encoded_tok[key]  ,					encoded_processor[key])

	def      __UpperCamelCase							(      self   :						int):
			UpperCamelCase__				:					Optional[int]					=					self.get_image_processor()
			UpperCamelCase__				:					List[str]					=					self.get_tokenizer()

			UpperCamelCase__				:					List[Any]					=					CLIPProcessor(tokenizer=UpperCAmelCase_  ,					image_processor=UpperCAmelCase_)

			UpperCamelCase__				:					Optional[Any]					=					'lower newer'
			UpperCamelCase__				:					List[Any]					=					self.prepare_image_inputs()

			UpperCamelCase__				:					str					=					processor(text=UpperCAmelCase_  ,					images=UpperCAmelCase_)

			self.assertListEqual(list(inputs.keys())  ,					['input_ids', 'attention_mask', 'pixel_values'])

			# test if it raises when no input is passed
			with pytest.raises(UpperCAmelCase_):
					processor()

	def      __UpperCamelCase							(      self   :						Dict):
			UpperCamelCase__				:					Any					=					self.get_image_processor()
			UpperCamelCase__				:					Dict					=					self.get_tokenizer()

			UpperCamelCase__				:					Optional[Any]					=					CLIPProcessor(tokenizer=UpperCAmelCase_  ,					image_processor=UpperCAmelCase_)

			UpperCamelCase__				:					Optional[Any]					=					[[1, 4, 5, 8, 1, 0, 8], [3, 4, 3, 1, 1, 8, 9]]

			UpperCamelCase__				:					List[Any]					=					processor.batch_decode(UpperCAmelCase_)
			UpperCamelCase__				:					Optional[int]					=					tokenizer.batch_decode(UpperCAmelCase_)

			self.assertListEqual(UpperCAmelCase_  ,					UpperCAmelCase_)





	def      __UpperCamelCase							(      self   :						str):
			UpperCamelCase__				:					Union[str, Any]					=					self.get_image_processor()
			UpperCamelCase__				:					List[str]					=					self.get_tokenizer()

			UpperCamelCase__				:					Optional[Any]					=					CLIPProcessor(tokenizer=UpperCAmelCase_  ,					image_processor=UpperCAmelCase_)

			UpperCamelCase__				:					List[Any]					=					'lower newer'
			UpperCamelCase__				:					Optional[int]					=					self.prepare_image_inputs()

			UpperCamelCase__				:					List[str]					=					processor(text=UpperCAmelCase_  ,					images=UpperCAmelCase_)

			self.assertListEqual(list(inputs.keys())  ,					processor.model_input_names)




