





'''simple docstring'''




import numpy as np
import torch
import tqdm

from ...models.unet_ad import UNetaDModel
from ...pipelines import DiffusionPipeline
from ...utils import randn_tensor
from ...utils.dummy_pt_objects import DDPMScheduler






class UpperCAmelCase							(		UpperCAmelCase__							):



    def __init__(  self     ,			__A     ,			__A     ,			__A     ,			__A     ,			):
     super().__init__()
     __UpperCAmelCase					=   value_function
     __UpperCAmelCase					=   unet
     __UpperCAmelCase					=   scheduler
     __UpperCAmelCase					=   env
     __UpperCAmelCase					=   env.get_dataset()
     __UpperCAmelCase					=   {}
     for key in self.data.keys():
      try:
       __UpperCAmelCase					=   self.data[key].mean()
      except:  # noqa: E722
       pass
     __UpperCAmelCase					=   {}
     for key in self.data.keys():
      try:
       __UpperCAmelCase					=   self.data[key].std()
      except:  # noqa: E722
       pass
     __UpperCAmelCase					=   env.observation_space.shape[0]
     __UpperCAmelCase					=   env.action_space.shape[0]



    def 					__lowerCamelCase						(  self     ,			__A     ,			__A					):
     return (x_in - self.means[key]) / self.stds[key]



    def 					__lowerCamelCase						(  self     ,			__A     ,			__A					):
     return x_in * self.stds[key] + self.means[key]



    def 					__lowerCamelCase						(  self     ,			__A					):







     if type(lowerCamelCase__					) is dict:
      return {k: self.to_torch(lowerCamelCase__					) for k, v in x_in.items()}
     elif torch.is_tensor(lowerCamelCase__					):
      return x_in.to(self.unet.device					)
     return torch.tensor(lowerCamelCase__     ,			device=self.unet.device					)



    def 					__lowerCamelCase						(  self     ,			__A     ,			__A     ,			__A					):







     for key, val in cond.items():
      __UpperCAmelCase					=   val.clone()
     return x_in



    def 					__lowerCamelCase						(  self     ,			__A     ,			__A     ,			__A     ,			__A					):
     __UpperCAmelCase					=   x.shape[0]
     __UpperCAmelCase					=   None
     for i in tqdm.tqdm(self.scheduler.timesteps					):
      # create batch of timesteps to pass into model
      __UpperCAmelCase					=   torch.full((batch_size,)     ,			lowerCamelCase__     ,			device=self.unet.device     ,			dtype=torch.long					)
      for _ in range(lowerCamelCase__					):
       with torch.enable_grad():
        x.requires_grad_()

        # permute to match dimension for pre-trained models
        __UpperCAmelCase					=   self.value_function(x.permute(0     ,			2     ,			1					)     ,			lowerCamelCase__					).sample
        __UpperCAmelCase					=   torch.autograd.grad([y.sum()]     ,			[x]					)[0]

        __UpperCAmelCase					=   self.scheduler._get_variance(lowerCamelCase__					)
        __UpperCAmelCase					=   torch.exp(0.5 * posterior_variance					)
        __UpperCAmelCase					=   model_std * grad

       __UpperCAmelCase					=   0
       __UpperCAmelCase					=   x.detach()
       __UpperCAmelCase					=   x + scale * grad
       __UpperCAmelCase					=   self.reset_xa(lowerCamelCase__     ,			lowerCamelCase__     ,			self.action_dim					)

      __UpperCAmelCase					=   self.unet(x.permute(0     ,			2     ,			1					)     ,			lowerCamelCase__					).sample.permute(0     ,			2     ,			1					)

      # TODO: verify deprecation of this kwarg
      __UpperCAmelCase					=   self.scheduler.step(lowerCamelCase__     ,			lowerCamelCase__     ,			lowerCamelCase__     ,			predict_epsilon=lowerCamelCase__					)["prev_sample"]

      # apply conditions to the trajectory (set the initial state)
      __UpperCAmelCase					=   self.reset_xa(lowerCamelCase__     ,			lowerCamelCase__     ,			self.action_dim					)
      __UpperCAmelCase					=   self.to_torch(lowerCamelCase__					)
     return x, y




    def __call__(  self     ,			__A     ,			__A=64     ,			__A=32     ,			__A=2     ,			__A=0.1					):
     __UpperCAmelCase					=   self.normalize(lowerCamelCase__     ,			'observations'					)
     __UpperCAmelCase					=   obs[None].repeat(lowerCamelCase__     ,			axis=0					)

     __UpperCAmelCase					=   {0: self.to_torch(lowerCamelCase__					)}
     __UpperCAmelCase					=   (batch_size, planning_horizon, self.state_dim + self.action_dim)

     # generate initial noise and apply our conditions (to make the trajectories start at current state)
     __UpperCAmelCase					=   randn_tensor(lowerCamelCase__     ,			device=self.unet.device					)
     __UpperCAmelCase					=   self.reset_xa(lowerCamelCase__     ,			lowerCamelCase__     ,			self.action_dim					)
     __UpperCAmelCase					=   self.to_torch(lowerCamelCase__					)

     # run the diffusion process
     __UpperCAmelCase					=   self.run_diffusion(lowerCamelCase__     ,			lowerCamelCase__     ,			lowerCamelCase__     ,			lowerCamelCase__					)

     # sort output trajectories by value
     __UpperCAmelCase					=   y.argsort(0     ,			descending=lowerCamelCase__					).squeeze()
     __UpperCAmelCase					=   x[sorted_idx]
     __UpperCAmelCase					=   sorted_values[:, :, : self.action_dim]
     __UpperCAmelCase					=   actions.detach().cpu().numpy()
     __UpperCAmelCase					=   self.de_normalize(lowerCamelCase__     ,			key='actions'					)

     # select the action with the highest value
     if y is not None:
      __UpperCAmelCase					=   0
     else:
      # if we didn't run value guiding, select a random action
      __UpperCAmelCase					=   np.random.randint(0     ,			lowerCamelCase__					)

     __UpperCAmelCase					=   denorm_actions[selected_index, 0]
     return denorm_actions












'''simple docstring'''




import math
import os
import unittest

from transformers import MegatronBertConfig, is_torch_available
from transformers.models.auto import get_values
from transformers.testing_utils import require_sentencepiece, require_tokenizers, require_torch, slow, torch_device

from ...test_configuration_common import ConfigTester
from ...test_modeling_common import ModelTesterMixin, ids_tensor, random_attention_mask
from ...test_pipeline_mixin import PipelineTesterMixin


if is_torch_available():
    import torch

    from transformers import (
        MODEL_FOR_PRETRAINING_MAPPING,
        MegatronBertForCausalLM,
        MegatronBertForMaskedLM,
        MegatronBertForMultipleChoice,
        MegatronBertForNextSentencePrediction,
        MegatronBertForPreTraining,
        MegatronBertForQuestionAnswering,
        MegatronBertForSequenceClassification,
        MegatronBertForTokenClassification,
        MegatronBertModel,
    )






class UpperCAmelCase							:



    def __init__(  self     ,			__A     ,			__A=13     ,			__A=7     ,			__A=True     ,			__A=True     ,			__A=True     ,			__A=True     ,			__A=99     ,			__A=64     ,			__A=32     ,			__A=5     ,			__A=4     ,			__A=37     ,			__A="gelu"     ,			__A=0.1     ,			__A=0.1     ,			__A=512     ,			__A=16     ,			__A=2     ,			__A=0.0_2     ,			__A=3     ,			__A=4     ,			__A=None     ,			):
     __UpperCAmelCase					=   parent
     __UpperCAmelCase					=   batch_size
     __UpperCAmelCase					=   seq_length
     __UpperCAmelCase					=   is_training
     __UpperCAmelCase					=   use_input_mask
     __UpperCAmelCase					=   use_token_type_ids
     __UpperCAmelCase					=   use_labels
     __UpperCAmelCase					=   vocab_size
     __UpperCAmelCase					=   hidden_size
     __UpperCAmelCase					=   embedding_size
     __UpperCAmelCase					=   num_hidden_layers
     __UpperCAmelCase					=   num_attention_heads
     __UpperCAmelCase					=   intermediate_size
     __UpperCAmelCase					=   hidden_act
     __UpperCAmelCase					=   hidden_dropout_prob
     __UpperCAmelCase					=   attention_probs_dropout_prob
     __UpperCAmelCase					=   max_position_embeddings
     __UpperCAmelCase					=   type_vocab_size
     __UpperCAmelCase					=   type_sequence_label_size
     __UpperCAmelCase					=   initializer_range
     __UpperCAmelCase					=   num_labels
     __UpperCAmelCase					=   num_choices
     __UpperCAmelCase					=   scope



    def 					__lowerCamelCase						(  self					):
     __UpperCAmelCase					=   ids_tensor([self.batch_size, self.seq_length]     ,			self.vocab_size					)

     __UpperCAmelCase					=   None
     if self.use_input_mask:
      __UpperCAmelCase					=   random_attention_mask([self.batch_size, self.seq_length]					)

     __UpperCAmelCase					=   None
     if self.use_token_type_ids:
      __UpperCAmelCase					=   ids_tensor([self.batch_size, self.seq_length]     ,			self.type_vocab_size					)

     __UpperCAmelCase					=   None
     __UpperCAmelCase					=   None
     __UpperCAmelCase					=   None
     if self.use_labels:
      __UpperCAmelCase					=   ids_tensor([self.batch_size]     ,			self.type_sequence_label_size					)
      __UpperCAmelCase					=   ids_tensor([self.batch_size, self.seq_length]     ,			self.num_labels					)
      __UpperCAmelCase					=   ids_tensor([self.batch_size]     ,			self.num_choices					)

     __UpperCAmelCase					=   self.get_config()

     return config, input_ids, token_type_ids, input_mask, sequence_labels, token_labels, choice_labels



    def 					__lowerCamelCase						(  self					):
     return MegatronBertConfig(
         vocab_size=self.vocab_size     ,			hidden_size=self.hidden_size     ,			num_hidden_layers=self.num_hidden_layers     ,			num_attention_heads=self.num_attention_heads     ,			intermediate_size=self.intermediate_size     ,			embedding_size=self.embedding_size     ,			hidden_act=self.hidden_act     ,			hidden_dropout_prob=self.hidden_dropout_prob     ,			attention_probs_dropout_prob=self.attention_probs_dropout_prob     ,			max_position_embeddings=self.max_position_embeddings     ,			type_vocab_size=self.type_vocab_size     ,			is_decoder=__A     ,			initializer_range=self.initializer_range     ,			)



    def 					__lowerCamelCase						(  self     ,			__A     ,			__A     ,			__A     ,			__A     ,			__A     ,			__A     ,			__A					):
     __UpperCAmelCase					=   MegatronBertModel(config=__A					)
     model.to(__A					)
     model.eval()
     __UpperCAmelCase					=   model(__A     ,			attention_mask=__A     ,			token_type_ids=__A					)
     __UpperCAmelCase					=   model(__A     ,			token_type_ids=__A					)
     __UpperCAmelCase					=   model(__A					)

     self.parent.assertEqual(result.last_hidden_state.shape     ,			(self.batch_size, self.seq_length, self.hidden_size)					)
     self.parent.assertEqual(result.pooler_output.shape     ,			(self.batch_size, self.hidden_size)					)



    def 					__lowerCamelCase						(  self     ,			__A     ,			__A     ,			__A     ,			__A     ,			__A     ,			__A     ,			__A					):
     __UpperCAmelCase					=   MegatronBertForMaskedLM(config=__A					)
     model.to(__A					)
     model.eval()
     __UpperCAmelCase					=   model(__A     ,			attention_mask=__A     ,			token_type_ids=__A     ,			labels=__A					)
     self.parent.assertEqual(result.logits.shape     ,			(self.batch_size, self.seq_length, self.vocab_size)					)



    def 					__lowerCamelCase						(  self     ,			__A     ,			__A     ,			__A     ,			__A     ,			__A     ,			__A     ,			__A					):
     __UpperCAmelCase					=   MegatronBertForCausalLM(config=__A					)
     model.to(__A					)
     model.eval()
     __UpperCAmelCase					=   model(__A     ,			attention_mask=__A     ,			token_type_ids=__A     ,			labels=__A					)
     self.parent.assertEqual(result.logits.shape     ,			(self.batch_size, self.seq_length, self.vocab_size)					)



    def 					__lowerCamelCase						(  self     ,			__A     ,			__A     ,			__A     ,			__A     ,			__A     ,			__A     ,			__A					):
     __UpperCAmelCase					=   MegatronBertForNextSentencePrediction(config=__A					)
     model.to(__A					)
     model.eval()
     __UpperCAmelCase					=   model(
         __A     ,			attention_mask=__A     ,			token_type_ids=__A     ,			labels=__A     ,			)
     self.parent.assertEqual(result.logits.shape     ,			(self.batch_size, 2)					)



    def 					__lowerCamelCase						(  self     ,			__A     ,			__A     ,			__A     ,			__A     ,			__A     ,			__A     ,			__A					):
     __UpperCAmelCase					=   MegatronBertForPreTraining(config=__A					)
     model.to(__A					)
     model.eval()
     __UpperCAmelCase					=   model(
         __A     ,			attention_mask=__A     ,			token_type_ids=__A     ,			labels=__A     ,			next_sentence_label=__A     ,			)
     self.parent.assertEqual(result.prediction_logits.shape     ,			(self.batch_size, self.seq_length, self.vocab_size)					)
     self.parent.assertEqual(result.seq_relationship_logits.shape     ,			(self.batch_size, 2)					)



    def 					__lowerCamelCase						(  self     ,			__A     ,			__A     ,			__A     ,			__A     ,			__A     ,			__A     ,			__A					):
     __UpperCAmelCase					=   MegatronBertForQuestionAnswering(config=__A					)
     model.to(__A					)
     model.eval()
     __UpperCAmelCase					=   model(
         __A     ,			attention_mask=__A     ,			token_type_ids=__A     ,			start_positions=__A     ,			end_positions=__A     ,			)
     self.parent.assertEqual(result.start_logits.shape     ,			(self.batch_size, self.seq_length)					)
     self.parent.assertEqual(result.end_logits.shape     ,			(self.batch_size, self.seq_length)					)



    def 					__lowerCamelCase						(  self     ,			__A     ,			__A     ,			__A     ,			__A     ,			__A     ,			__A     ,			__A					):
     __UpperCAmelCase					=   self.num_labels
     __UpperCAmelCase					=   MegatronBertForSequenceClassification(__A					)
     model.to(__A					)
     model.eval()
     __UpperCAmelCase					=   model(__A     ,			attention_mask=__A     ,			token_type_ids=__A     ,			labels=__A					)
     self.parent.assertEqual(result.logits.shape     ,			(self.batch_size, self.num_labels)					)



    def 					__lowerCamelCase						(  self     ,			__A     ,			__A     ,			__A     ,			__A     ,			__A     ,			__A     ,			__A					):
     __UpperCAmelCase					=   self.num_labels
     __UpperCAmelCase					=   MegatronBertForTokenClassification(config=__A					)
     model.to(__A					)
     model.eval()
     __UpperCAmelCase					=   model(__A     ,			attention_mask=__A     ,			token_type_ids=__A     ,			labels=__A					)
     self.parent.assertEqual(result.logits.shape     ,			(self.batch_size, self.seq_length, self.num_labels)					)



    def 					__lowerCamelCase						(  self     ,			__A     ,			__A     ,			__A     ,			__A     ,			__A     ,			__A     ,			__A					):
     __UpperCAmelCase					=   self.num_choices
     __UpperCAmelCase					=   MegatronBertForMultipleChoice(config=__A					)
     model.to(__A					)
     model.eval()
     __UpperCAmelCase					=   input_ids.unsqueeze(1					).expand(-1     ,			self.num_choices     ,			-1					).contiguous()
     __UpperCAmelCase					=   token_type_ids.unsqueeze(1					).expand(-1     ,			self.num_choices     ,			-1					).contiguous()
     __UpperCAmelCase					=   input_mask.unsqueeze(1					).expand(-1     ,			self.num_choices     ,			-1					).contiguous()
     __UpperCAmelCase					=   model(
         __A     ,			attention_mask=__A     ,			token_type_ids=__A     ,			labels=__A     ,			)
     self.parent.assertEqual(result.logits.shape     ,			(self.batch_size, self.num_choices)					)




    def 					__lowerCamelCase						(  self					):
     __UpperCAmelCase					=   self.prepare_config_and_inputs()
     (
         (
         __UpperCAmelCase
     )					,    (
         __UpperCAmelCase
     )					,    (
         __UpperCAmelCase
     )					,    (
         __UpperCAmelCase
     )					,    (
         __UpperCAmelCase
     )					,    (
         __UpperCAmelCase
     )					,    (
         __UpperCAmelCase
     )					,    
     )					=   config_and_inputs
     __UpperCAmelCase					=   {'input_ids': input_ids, 'token_type_ids': token_type_ids, 'attention_mask': input_mask}
     return config, inputs_dict






@require_torch
class UpperCAmelCase							(		UpperCAmelCase_					,			UpperCAmelCase_					,			unittest.TestCase							):
    _A :			str						   =       (
        (
            MegatronBertModel,
            MegatronBertForMaskedLM,
            MegatronBertForCausalLM,
            MegatronBertForMultipleChoice,
            MegatronBertForNextSentencePrediction,
            MegatronBertForPreTraining,
            MegatronBertForQuestionAnswering,
            MegatronBertForSequenceClassification,
            MegatronBertForTokenClassification,
        )
        if is_torch_available()
        else ()
    )
    _A :			Dict						   =       (
        {
            """feature-extraction""": MegatronBertModel,
            """fill-mask""": MegatronBertForMaskedLM,
            """question-answering""": MegatronBertForQuestionAnswering,
            """text-classification""": MegatronBertForSequenceClassification,
            """text-generation""": MegatronBertForCausalLM,
            """token-classification""": MegatronBertForTokenClassification,
            """zero-shot""": MegatronBertForSequenceClassification,
        }
        if is_torch_available()
        else {}
    )
    _A :			List[str]						   =       True
    # test_resize_embeddings = False
    _A :			Tuple						   =       False



    def 					__lowerCamelCase						(  self     ,			__A     ,			__A     ,			__A=False					):
     __UpperCAmelCase					=   super()._prepare_for_class(__A     ,			__A     ,			return_labels=__A					)

     if return_labels:
      if model_class in get_values(__A					):
       __UpperCAmelCase					=   torch.zeros(
           (self.model_tester.batch_size, self.model_tester.seq_length)     ,			dtype=torch.long     ,			device=__A					)
       __UpperCAmelCase					=   torch.zeros(
           self.model_tester.batch_size     ,			dtype=torch.long     ,			device=__A					)
     return inputs_dict



    def 					__lowerCamelCase						(  self					):
     __UpperCAmelCase					=   MegatronBertModelTester(self					)
     __UpperCAmelCase					=   ConfigTester(self     ,			config_class=__A     ,			hidden_size=37					)



    def 					__lowerCamelCase						(  self					):
     self.config_tester.run_common_tests()



    def 					__lowerCamelCase						(  self					):
     __UpperCAmelCase					=   self.model_tester.prepare_config_and_inputs()
     self.model_tester.create_and_check_megatron_bert_model(*__A					)



    def 					__lowerCamelCase						(  self					):
     __UpperCAmelCase					=   self.model_tester.prepare_config_and_inputs()
     self.model_tester.create_and_check_megatron_bert_for_masked_lm(*__A					)



    def 					__lowerCamelCase						(  self					):
     __UpperCAmelCase					=   self.model_tester.prepare_config_and_inputs()
     self.model_tester.create_and_check_megatron_bert_for_multiple_choice(*__A					)



    def 					__lowerCamelCase						(  self					):
     __UpperCAmelCase					=   self.model_tester.prepare_config_and_inputs()
     self.model_tester.create_and_check_megatron_bert_for_next_sequence_prediction(*__A					)



    def 					__lowerCamelCase						(  self					):
     __UpperCAmelCase					=   self.model_tester.prepare_config_and_inputs()
     self.model_tester.create_and_check_megatron_bert_for_pretraining(*__A					)



    def 					__lowerCamelCase						(  self					):
     __UpperCAmelCase					=   self.model_tester.prepare_config_and_inputs()
     self.model_tester.create_and_check_megatron_bert_for_question_answering(*__A					)



    def 					__lowerCamelCase						(  self					):
     __UpperCAmelCase					=   self.model_tester.prepare_config_and_inputs()
     self.model_tester.create_and_check_megatron_bert_for_sequence_classification(*__A					)




    def 					__lowerCamelCase						(  self					):
     __UpperCAmelCase					=   self.model_tester.prepare_config_and_inputs()
     self.model_tester.create_and_check_megatron_bert_for_token_classification(*__A					)







def _lowerCAmelCase     (      _lowerCAmelCase    )->     Dict:
 return torch.tensor(
     _lowerCAmelCase       ,    dtype=torch.long       ,    device=_lowerCAmelCase       ,    )


_A:					Any							=				1E-4






@require_torch
@require_sentencepiece
@require_tokenizers
class UpperCAmelCase							(		unittest.TestCase							):



    @slow
    @unittest.skip('Model is not available.'					)
    def 					__lowerCamelCase						(  self					):
     __UpperCAmelCase					=   'nvidia/megatron-bert-uncased-345m'
     if "MYDIR" in os.environ:
      __UpperCAmelCase					=   os.path.join(os.environ['MYDIR']     ,			__A					)
     __UpperCAmelCase					=   MegatronBertModel.from_pretrained(__A					)
     model.to(__A					)
     model.half()
     __UpperCAmelCase					=   _long_tensor([[101, 7_110, 1_005, 1_056, 2_023, 11_333, 17_413, 1_029, 102]]					)
     with torch.no_grad():
      __UpperCAmelCase					=   model(__A					)[0]
     __UpperCAmelCase					=   torch.Size((1, 9, 1_024)					)
     self.assertEqual(output.shape     ,			__A					)

     __UpperCAmelCase					=   [-0.6_0_4_0, -0.2_5_1_7, -0.1_0_2_5, 0.3_4_2_0, -0.6_7_5_8, -0.0_0_1_7, -0.1_0_8_9, -0.1_9_9_0, 0.5_7_2_8]
     for ii in range(3					):
      for jj in range(3					):
       __UpperCAmelCase					=   output[0, ii, jj]
       __UpperCAmelCase					=   expected[3 * ii + jj]
       __UpperCAmelCase					=   'ii={} jj={} a={} b={}'.format(__A     ,			__A     ,			__A     ,			__A					)
       self.assertTrue(math.isclose(__A     ,			__A     ,			rel_tol=__A     ,			abs_tol=__A					)     ,			msg=__A					)





