






'''simple docstring'''







import argparse
import inspect
import logging
from typing import Tuple

import numpy as np
import torch

from transformers import (
    AutoTokenizer,
    BloomForCausalLM,
    BloomTokenizerFast,
    CTRLLMHeadModel,
    CTRLTokenizer,
    GenerationMixin,
    GPTaLMHeadModel,
    GPTaTokenizer,
    GPTJForCausalLM,
    LlamaForCausalLM,
    LlamaTokenizer,
    OpenAIGPTLMHeadModel,
    OpenAIGPTTokenizer,
    OPTForCausalLM,
    TransfoXLLMHeadModel,
    TransfoXLTokenizer,
    XLMTokenizer,
    XLMWithLMHeadModel,
    XLNetLMHeadModel,
    XLNetTokenizer,
)
from transformers.modeling_outputs import CausalLMOutputWithPast


logging.basicConfig(
    format="%(asctime)s - %(levelname)s - %(name)s - %(message)s",
    datefmt="%m/%d/%Y %H:%M:%S",
    level=logging.INFO,
)
UpperCamelCase_					=				logging.getLogger(__name__)

UpperCamelCase_					=				int(10000)  # Hardcoded max length to avoid infinite loop

UpperCamelCase_					=				{
    "gpt2": (GPTaLMHeadModel, GPTaTokenizer),
    "ctrl": (CTRLLMHeadModel, CTRLTokenizer),
    "openai-gpt": (OpenAIGPTLMHeadModel, OpenAIGPTTokenizer),
    "xlnet": (XLNetLMHeadModel, XLNetTokenizer),
    "transfo-xl": (TransfoXLLMHeadModel, TransfoXLTokenizer),
    "xlm": (XLMWithLMHeadModel, XLMTokenizer),
    "gptj": (GPTJForCausalLM, AutoTokenizer),
    "bloom": (BloomForCausalLM, BloomTokenizerFast),
    "llama": (LlamaForCausalLM, LlamaTokenizer),
    "opt": (OPTForCausalLM, GPTaTokenizer),
}

# Padding text to help Transformer-XL and XLNet with short prompts as proposed by Aman Rusia
# in https://github.com/rusiaaman/XLNet-gen#methodology
# and https://medium.com/@amanrusia/xlnet-speaks-comparison-to-gpt-2-ea1a4e9ba39e
UpperCamelCase_					=				"In 1991, the remains of Russian Tsar Nicholas II and his family\n(except for Alexei and Maria) are discovered.\nThe voice of Nicholas's young son, Tsarevich Alexei Nikolaevich, narrates the\nremainder of the story. 1883 Western Siberia,\na young Grigori Rasputin is asked by his father and a group of men to perform magic.\nRasputin has a vision and denounces one of the men as a horse thief. Although his\nfather initially slaps him for making such an accusation, Rasputin watches as the\nman is chased outside and beaten. Twenty years later, Rasputin sees a vision of\nthe Virgin Mary, prompting him to become a priest. Rasputin quickly becomes famous,\nwith people, even a bishop, begging for his blessing. <eod> </s> <eos>"






def  lowerCAmelCase__		(					a_  :     Dict			)   -> Optional[Any]:
       np.random.seed(args.seed			)
       torch.manual_seed(args.seed			)
       if args.n_gpu > 0:
              torch.cuda.manual_seed_all(args.seed			)






def  lowerCAmelCase__		(					a_  :     Dict			,						a_  :     Optional[Any]			,						a_  :     int			,						a_  :     List[Any]			)   -> List[str]:
       if args.temperature > 0.7:
              logger.info('''CTRL typically works better with lower temperatures (and lower top_k).'''			)

       UpperCAmelCase__	:   Dict												=	tokenizer.encode(a_			,						add_special_tokens=a_			)
       if not any(encoded_prompt[0] == x for x in tokenizer.control_codes.values()			):
              logger.info('''WARNING! You are not starting your generation from a control code so you won\'t get good results'''			)
       return prompt_text






def  lowerCAmelCase__		(					a_  :     Tuple			,						a_  :     int			,						a_  :     Optional[Any]			,						a_  :     int			)   -> Optional[Any]:
       # kwargs = {"language": None, "mask_token_id": None}

       # Set the language
       UpperCAmelCase__	:   Union[str, Any]												=	hasattr(model.config			,						'''use_lang_emb'''			) and model.config.use_lang_emb
       if hasattr(model.config			,						'''lang2id'''			) and use_lang_emb:
              UpperCAmelCase__	:   Optional[Any]												=	model.config.langaid.keys()
              if args.xlm_language in available_languages:
                     UpperCAmelCase__	:   Optional[Any]												=	args.xlm_language
              else:
                     UpperCAmelCase__	:   Optional[Any]												=	None
                     while language not in available_languages:
                            UpperCAmelCase__	:   Union[str, Any]												=	input('''Using XLM. Select language in ''' + str(list(a_			)			) + ''' >>> '''			)

              UpperCAmelCase__	:   Optional[int]												=	model.config.langaid[language]
              # kwargs["language"] = tokenizer.lang2id[language]

       # TODO fix mask_token_id setup when configurations will be synchronized between models and tokenizers
       # XLM masked-language modeling (MLM) models need masked token
       # is_xlm_mlm = "mlm" in args.model_name_or_path
       # if is_xlm_mlm:
       #     kwargs["mask_token_id"] = tokenizer.mask_token_id

       return prompt_text






def  lowerCAmelCase__		(					a_  :     str			,						a_  :     int			,						a_  :     List[Any]			,						a_  :     int			)   -> List[Any]:
       UpperCAmelCase__	:   List[Any]												=	args.prefix if args.prefix else args.padding_text if args.padding_text else PREFIX
       UpperCAmelCase__	:   Any												=	prefix + prompt_text
       return prompt_text






def  lowerCAmelCase__		(					a_  :     List[Any]			,						a_  :     List[Any]			,						a_  :     List[Any]			,						a_  :     List[str]			)   -> List[str]:
       UpperCAmelCase__	:   List[str]												=	args.prefix if args.prefix else args.padding_text if args.padding_text else PREFIX
       UpperCAmelCase__	:   Union[str, Any]												=	prefix + prompt_text
       return prompt_text


UpperCamelCase_					=				{
    "ctrl": prepare_ctrl_input,
    "xlm": prepare_xlm_input,
    "xlnet": prepare_xlnet_input,
    "transfo-xl": prepare_transfoxl_input,
}






def  lowerCAmelCase__		(					a_  :     Union[str, Any]			,						a_  :     str			)   -> List[Any]:
       if length < 0 and max_sequence_length > 0:
              UpperCAmelCase__	:   Tuple												=	max_sequence_length
       elif 0 < max_sequence_length < length:
              UpperCAmelCase__	:   Any												=	max_sequence_length  # No generation bigger than model size
       elif length < 0:
              UpperCAmelCase__	:   Union[str, Any]												=	MAX_LENGTH  # avoid infinite loop
       return length






def  lowerCAmelCase__		(					a_  :     List[Any]			)   -> Union[str, Any]:
       UpperCAmelCase__	:   List[str]												=	None
       if hasattr(a_			,						'''hidden_size'''			):
              UpperCAmelCase__	:   Any												=	model_config.hidden_size
       elif hasattr(a_			,						'''n_embed'''			):
              UpperCAmelCase__	:   Optional[Any]												=	model_config.n_embed
       elif hasattr(a_			,						'''n_embd'''			):
              UpperCAmelCase__	:   List[Any]												=	model_config.n_embd

       UpperCAmelCase__	:   List[str]												=	None
       if hasattr(a_			,						'''num_attention_heads'''			):
              UpperCAmelCase__	:   Union[str, Any]												=	model_config.num_attention_heads
       elif hasattr(a_			,						'''n_head'''			):
              UpperCAmelCase__	:   Optional[Any]												=	model_config.n_head

       if embedding_size is None or num_head is None or num_head == 0:
              raise ValueError('''Check the model config'''			)

       UpperCAmelCase__	:   Optional[Any]												=	int(embedding_size / num_head			)
       if hasattr(a_			,						'''n_layer'''			):
              UpperCAmelCase__	:   List[str]												=	model_config.n_layer
       elif hasattr(a_			,						'''num_hidden_layers'''			):
              UpperCAmelCase__	:   Union[str, Any]												=	model_config.num_hidden_layers
       else:
              raise ValueError('''Number of hidden layers couldn\'t be determined from the model config'''			)

       return num_layer, num_head, num_embedding_size_per_head






def  lowerCAmelCase__		(					a_  :     Any			,						a_  :     Any			,						a_  :     Union[str, Any]			)   -> int:
       UpperCAmelCase__							,							UpperCAmelCase__							,							UpperCAmelCase__	:   Any												=	sparse_model_config(model.config			)
       if model.config.model_type == "bloom":
              UpperCAmelCase__	:   List[Any]												=	tuple(
                  (
                      torch.empty(int(num_attention_heads * batch_size			)			,						a_			,						a_			)
                      .to(model.dtype			)
                      .to(model.device			),
                      torch.empty(int(num_attention_heads * batch_size			)			,						a_			,						a_			)
                      .to(model.dtype			)
                      .to(model.device			),
                  )
                  for _ in range(a_			)			)
       else:
              UpperCAmelCase__	:   Tuple												=	tuple(
                  (
                      torch.empty(a_			,						a_			,						a_			,						a_			)
                      .to(model.dtype			)
                      .to(model.device			),
                      torch.empty(a_			,						a_			,						a_			,						a_			)
                      .to(model.dtype			)
                      .to(model.device			),
                  )
                  for _ in range(a_			)			)
       return past_key_values






def  lowerCAmelCase__		(					a_  :     Union[str, Any]			,						a_  :     Tuple			,						a_  :     str			)   -> Optional[int]:
       UpperCAmelCase__	:   Optional[Any]												=	len(a_			)
       UpperCAmelCase__	:   Any												=	tokenizer.batch_encode_plus(a_			,						return_tensors='''pt'''			)
       UpperCAmelCase__	:   Union[str, Any]												=	dummy_input.to(model.device			)
       if model.config.use_cache:
              UpperCAmelCase__	:   Any												=	generate_past_key_values(a_			,						a_			,						1			)
       UpperCAmelCase__	:   Union[str, Any]												=	torch.cat(
           [
               torch.zeros(dummy_input['''attention_mask'''].shape[0]			,						1			)
               .to(dummy_input['''attention_mask'''].dtype			)
               .to(model.device			),
               dummy_input['''attention_mask'''],
           ]			,						-1			,						)
       return dummy_input




class 					__UpperCAmelCase (		UpperCamelCase__	):

      '''simple docstring'''





      SCREAMING_SNAKE_CASE				:    List[str]				       =					("_optimized", "_default")




      def __init__(					self  ,		_UpperCAmelCase  ,		_UpperCAmelCase						):
             UpperCAmelCase__	:   Any												=	optimized
             UpperCAmelCase__	:   Optional[Any]												=	default




      def __call__(					self  ,		*_UpperCAmelCase  ,		**_UpperCAmelCase						):
             if kwargs["past_key_values"] is None and self._default.config.use_cache:
                    UpperCAmelCase__	:   Union[str, Any]												=	generate_past_key_values(self._default  ,		kwargs['''input_ids'''].shape[0]  ,		0						)
             kwargs.pop('''position_ids'''  ,		_UpperCAmelCase						)
             for k in list(kwargs.keys()						):
                    if kwargs[k] is None or isinstance(kwargs[k]  ,		_UpperCAmelCase						):
                           kwargs.pop(_UpperCAmelCase						)
             UpperCAmelCase__	:   Optional[int]												=	self._optimized(**_UpperCAmelCase						)
             UpperCAmelCase__	:   Any												=	outputs[0]
             UpperCAmelCase__	:   List[Any]												=	outputs[1]
             UpperCAmelCase__	:   Union[str, Any]												=	CausalLMOutputWithPast(
                 loss=_UpperCAmelCase  ,		logits=_UpperCAmelCase  ,		past_key_values=_UpperCAmelCase  ,		hidden_states=_UpperCAmelCase  ,		attentions=_UpperCAmelCase  ,		)
             return fixed_output




      def __getattr__(					self  ,		_UpperCAmelCase						):
             return getattr(self._default  ,		_UpperCAmelCase						)




      def 							lowerCamelCase     (					self  ,		_UpperCAmelCase  ,		_UpperCAmelCase=None  ,		_UpperCAmelCase=None  ,		_UpperCAmelCase=None  ,		**_UpperCAmelCase						):
             return self._default.prepare_inputs_for_generation(
                 _UpperCAmelCase  ,		past_key_values=_UpperCAmelCase  ,		inputs_embeds=_UpperCAmelCase  ,		use_cache=_UpperCAmelCase  ,		**_UpperCAmelCase						)




      def 							lowerCamelCase     (					self  ,		_UpperCAmelCase  ,		_UpperCAmelCase						):
             return self._default._reorder_cache(_UpperCAmelCase  ,		_UpperCAmelCase						)






def  lowerCAmelCase__		(					)   -> Dict:
       UpperCAmelCase__	:   int												=	argparse.ArgumentParser()
       parser.add_argument(
           '''--model_type'''			,						default=a_			,						type=a_			,						required=a_			,						help='''Model type selected in the list: ''' + ''', '''.join(MODEL_CLASSES.keys()			)			,						)
       parser.add_argument(
           '''--model_name_or_path'''			,						default=a_			,						type=a_			,						required=a_			,						help='''Path to pre-trained model or shortcut name selected in the list: ''' + ''', '''.join(MODEL_CLASSES.keys()			)			,						)

       parser.add_argument('''--prompt'''			,						type=a_			,						default=''''''			)
       parser.add_argument('''--length'''			,						type=a_			,						default=2_0			)
       parser.add_argument('''--stop_token'''			,						type=a_			,						default=a_			,						help='''Token at which text generation is stopped'''			)

       parser.add_argument(
           '''--temperature'''			,						type=a_			,						default=1.0			,						help='''temperature of 1.0 has no effect, lower tend toward greedy sampling'''			,						)
       parser.add_argument(
           '''--repetition_penalty'''			,						type=a_			,						default=1.0			,						help='''primarily useful for CTRL model; in that case, use 1.2'''			)
       parser.add_argument('''--k'''			,						type=a_			,						default=0			)
       parser.add_argument('''--p'''			,						type=a_			,						default=0.9			)

       parser.add_argument('''--prefix'''			,						type=a_			,						default=''''''			,						help='''Text added prior to input.'''			)
       parser.add_argument('''--padding_text'''			,						type=a_			,						default=''''''			,						help='''Deprecated, the use of `--prefix` is preferred.'''			)
       parser.add_argument('''--xlm_language'''			,						type=a_			,						default=''''''			,						help='''Optional language when used with the XLM model.'''			)

       parser.add_argument('''--seed'''			,						type=a_			,						default=4_2			,						help='''random seed for initialization'''			)
       parser.add_argument('''--no_cuda'''			,						action='''store_true'''			,						help='''Avoid using CUDA when available'''			)
       parser.add_argument('''--num_return_sequences'''			,						type=a_			,						default=1			,						help='''The number of samples to generate.'''			)
       parser.add_argument(
           '''--fp16'''			,						action='''store_true'''			,						help='''Whether to use 16-bit (mixed) precision (through NVIDIA apex) instead of 32-bit'''			,						)
       parser.add_argument('''--jit'''			,						action='''store_true'''			,						help='''Whether or not to use jit trace to accelerate inference'''			)
       UpperCAmelCase__	:   List[Any]												=	parser.parse_args()

       UpperCAmelCase__	:   int												=	torch.device('''cuda''' if torch.cuda.is_available() and not args.no_cuda else '''cpu'''			)
       UpperCAmelCase__	:   int												=	0 if args.no_cuda else torch.cuda.device_count()

       logger.warning(f"""device: {args.device}, n_gpu: {args.n_gpu}, 16-bits training: {args.fpaa}"""			)

       set_seed(a_			)

       # Initialize the model and tokenizer
       try:
              UpperCAmelCase__	:   Optional[Any]												=	args.model_type.lower()
              UpperCAmelCase__							,							UpperCAmelCase__	:   Union[str, Any]												=	MODEL_CLASSES[args.model_type]
       except KeyError:
              raise KeyError('''the model {} you specified is not supported. You are welcome to add it and open a PR :)'''			)

       UpperCAmelCase__	:   Optional[Any]												=	tokenizer_class.from_pretrained(args.model_name_or_path			)
       if tokenizer.pad_token is None:
              UpperCAmelCase__	:   Union[str, Any]												=	tokenizer.eos_token
       UpperCAmelCase__	:   Optional[int]												=	model_class.from_pretrained(args.model_name_or_path			)
       model.to(args.device			)

       if args.fpaa:
              model.half()
       UpperCAmelCase__	:   Tuple												=	getattr(model.config			,						'''max_position_embeddings'''			,						0			)
       UpperCAmelCase__	:   List[str]												=	adjust_length_to_model(args.length			,						max_sequence_length=a_			)
       logger.info(a_			)

       UpperCAmelCase__	:   List[Any]												=	args.prompt if args.prompt else input('''Model prompt >>> '''			)

       # Different models need different input formatting and/or extra arguments
       UpperCAmelCase__	:   Optional[int]												=	args.model_type in PREPROCESSING_FUNCTIONS.keys()
       if requires_preprocessing:
              UpperCAmelCase__	:   int												=	PREPROCESSING_FUNCTIONS.get(args.model_type			)
              UpperCAmelCase__	:   Union[str, Any]												=	prepare_input(a_			,						a_			,						a_			,						a_			)

              if model.__class__.__name__ in ["TransfoXLLMHeadModel"]:
                     UpperCAmelCase__	:   List[Any]												=	{'''add_space_before_punct_symbol''': True}
              else:
                     UpperCAmelCase__	:   int												=	{}

              UpperCAmelCase__	:   str												=	tokenizer.encode(
                  a_			,						add_special_tokens=a_			,						return_tensors='''pt'''			,						**a_			)
       else:
              UpperCAmelCase__	:   Dict												=	args.prefix if args.prefix else args.padding_text
              UpperCAmelCase__	:   Dict												=	tokenizer.encode(prefix + prompt_text			,						add_special_tokens=a_			,						return_tensors='''pt'''			)
       UpperCAmelCase__	:   int												=	encoded_prompt.to(args.device			)

       if encoded_prompt.size()[-1] == 0:
              UpperCAmelCase__	:   Tuple												=	None
       else:
              UpperCAmelCase__	:   List[str]												=	encoded_prompt

       if args.jit:
              UpperCAmelCase__	:   List[str]												=	['''enable jit''']
              UpperCAmelCase__	:   List[str]												=	prepare_jit_inputs(a_			,						a_			,						a_			)
              torch._C._jit_set_texpr_fuser_enabled(a_			)
              UpperCAmelCase__	:   int												=	False
              if hasattr(a_			,						'''forward'''			):
                     UpperCAmelCase__	:   int												=	inspect.signature(model.forward			)
              else:
                     UpperCAmelCase__	:   Optional[int]												=	inspect.signature(model.__call__			)
              UpperCAmelCase__	:   Union[str, Any]												=	tuple(jit_inputs[key] for key in sig.parameters if jit_inputs.get(a_			,						a_			) is not None			)
              UpperCAmelCase__	:   Union[str, Any]												=	torch.jit.trace(a_			,						a_			,						strict=a_			)
              UpperCAmelCase__	:   int												=	torch.jit.freeze(traced_model.eval()			)
              traced_model(*a_			)
              traced_model(*a_			)

              UpperCAmelCase__	:   Tuple												=	_ModelFallbackWrapper(a_			,						a_			)

       UpperCAmelCase__	:   str												=	model.generate(
           input_ids=a_			,						max_length=args.length + len(encoded_prompt[0]			)			,						temperature=args.temperature			,						top_k=args.k			,						top_p=args.p			,						repetition_penalty=args.repetition_penalty			,						do_sample=a_			,						num_return_sequences=args.num_return_sequences			,						)

       # Remove the batch dimension when returning multiple sequences
       if len(output_sequences.shape			) > 2:
              output_sequences.squeeze_()

       UpperCAmelCase__	:   Optional[Any]												=	[]

       for generated_sequence_idx, generated_sequence in enumerate(a_			):
              print(f"""=== GENERATED SEQUENCE {generated_sequence_idx + 1} ==="""			)
              UpperCAmelCase__	:   Optional[Any]												=	generated_sequence.tolist()

              # Decode text
              UpperCAmelCase__	:   Optional[Any]												=	tokenizer.decode(a_			,						clean_up_tokenization_spaces=a_			)

              # Remove all text after the stop token
              UpperCAmelCase__	:   str												=	text[: text.find(args.stop_token			) if args.stop_token else None]

              # Add the prompt at the beginning of the sequence. Remove the excess text that was used for pre-processing
              UpperCAmelCase__	:   Optional[Any]												=	(
                  prompt_text + text[len(tokenizer.decode(encoded_prompt[0]			,						clean_up_tokenization_spaces=a_			)			) :]
              )

              generated_sequences.append(a_			)
              print(a_			)

       return generated_sequences


if __name__ == "__main__":
  main()







'''simple docstring'''







from ctypes import c_float, sizeof
from enum import Enum
from typing import TYPE_CHECKING, Optional, Union


if TYPE_CHECKING:
  from .. import AutoFeatureExtractor, AutoProcessor, AutoTokenizer  # tests_ignore




class 					__UpperCAmelCase (		UpperCamelCase__	):

      '''simple docstring'''





      SCREAMING_SNAKE_CASE				:    Dict				       =					c_float




      @property
      def 							lowerCamelCase     (					self						):
             return sizeof(self.value						)






def  lowerCAmelCase__		(					a_  :     int			,						a_  :     int			,						a_  :     int = 0			)   -> int:
       # < 0 is possible if using a dynamic axis
       if dimension <= 0:
              UpperCAmelCase__	:   List[Any]												=	fixed_dimension

       dimension -= num_token_to_add
       return dimension






def  lowerCAmelCase__		(					a_  :     int			,						a_  :     ParameterFormat			)   -> int:
       return num_parameters * dtype.size






def  lowerCAmelCase__		(					a_  :     str			)   -> Optional[Union["AutoTokenizer", "AutoFeatureExtractor", "AutoProcessor"]]:
       from .. import AutoFeatureExtractor, AutoProcessor, AutoTokenizer  # tests_ignore

       try:
              return AutoProcessor.from_pretrained(a_			)
       except (ValueError, OSError, KeyError):
              UpperCAmelCase__							,							UpperCAmelCase__	:   Dict												=	None, None
              try:
                     UpperCAmelCase__	:   Union[str, Any]												=	AutoTokenizer.from_pretrained(a_			)
              except (OSError, KeyError):
                     pass
              try:
                     UpperCAmelCase__	:   List[str]												=	AutoFeatureExtractor.from_pretrained(a_			)
              except (OSError, KeyError):
                     pass

              if tokenizer is not None and feature_extractor is not None:
                     raise ValueError(
                         f"""Couldn't auto-detect preprocessor for {model_name}. Found both a tokenizer and a feature extractor."""			)
              elif tokenizer is None and feature_extractor is None:
                     return None
              elif tokenizer is not None:
                     return tokenizer
              else:
                     return feature_extractor