
"""simple docstring"""





import math
from typing import Any, Callable, List, Optional, Tuple, Union

import numpy as np
import torch

from ...models import TaFilmDecoder
from ...schedulers import DDPMScheduler
from ...utils import is_onnx_available, logging, randn_tensor


if is_onnx_available():
		from ..onnx_utils import OnnxRuntimeModel

from ..pipeline_utils import AudioPipelineOutput, DiffusionPipeline
from .continous_encoder import SpectrogramContEncoder
from .notes_encoder import SpectrogramNotesEncoder


UpperCamelCase_       :    Any						      =			logging.get_logger(__name__)  # pylint: disable=invalid-name

UpperCamelCase_       :    List[Any]						      =			256



class __lowerCAmelCase					(       _lowercase   ):




			"""simple docstring"""







			snake_case						   =					["melgan"]




			def __init__(					self    :       Dict							, _snake_case    :       SpectrogramNotesEncoder							, _snake_case    :       SpectrogramContEncoder							, _snake_case    :       TaFilmDecoder							, _snake_case    :       DDPMScheduler							, _snake_case    :       OnnxRuntimeModel if is_onnx_available() else Any							, )   ->			None:







								"""simple docstring"""
								super().__init__()

								# From MELGAN
								A_								=    math.log(1e-5						)  # Matches MelGAN training.
								A_								=    4.0  # Largest value for most examples
								A_								=    128

								self.register_modules(
								    notes_encoder=_snake_case							, continuous_encoder=_snake_case							, decoder=_snake_case							, scheduler=_snake_case							, melgan=_snake_case							, )




			def   lowerCamelCase__  (					self    :       Union[str, Any]							, _snake_case    :       Tuple							, _snake_case    :       str=(-1.0, 1.0)							, _snake_case    :       int=False						)   ->			str:







								"""simple docstring"""
								A_			,     A_								=    output_range
								if clip:
													A_								=    torch.clip(_snake_case							, self.min_value							, self.max_value						)
								# Scale to [0, 1].
								A_								=    (features - self.min_value) / (self.max_value - self.min_value)
								# Scale to [min_out, max_out].
								return zero_one * (max_out - min_out) + min_out




			def   lowerCamelCase__  (					self    :       Dict							, _snake_case    :       Tuple							, _snake_case    :       Optional[Any]=(-1.0, 1.0)							, _snake_case    :       List[str]=False						)   ->			List[str]:







								"""simple docstring"""
								A_			,     A_								=    input_range
								A_								=    torch.clip(_snake_case							, _snake_case							, _snake_case						) if clip else outputs
								# Scale to [0, 1].
								A_								=    (outputs - min_out) / (max_out - min_out)
								# Scale to [self.min_value, self.max_value].
								return zero_one * (self.max_value - self.min_value) + self.min_value




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







								"""simple docstring"""
								A_								=    input_tokens > 0
								A_			,     A_								=    self.notes_encoder(
								    encoder_input_tokens=_snake_case							, encoder_inputs_mask=_snake_case						)

								A_			,     A_								=    self.continuous_encoder(
								    encoder_inputs=_snake_case							, encoder_inputs_mask=_snake_case						)

								return [(tokens_encoded, tokens_mask), (continuous_encoded, continuous_mask)]




			def   lowerCamelCase__  (					self    :       List[Any]							, _snake_case    :       List[Any]							, _snake_case    :       int							, _snake_case    :       Tuple						)   ->			Optional[int]:







								"""simple docstring"""
								A_								=    noise_time
								if not torch.is_tensor(_snake_case						):
													A_								=    torch.tensor([timesteps]							, dtype=torch.long							, device=input_tokens.device						)
								elif torch.is_tensor(_snake_case						) and len(timesteps.shape						) == 0:
													A_								=    timesteps[None].to(input_tokens.device						)

								# broadcast to batch dimension in a way that's compatible with ONNX/Core ML
								A_								=    timesteps * torch.ones(input_tokens.shape[0]							, dtype=timesteps.dtype							, device=timesteps.device						)

								A_								=    self.decoder(
								    encodings_and_masks=_snake_case							, decoder_input_tokens=_snake_case							, decoder_noise_time=_snake_case						)
								return logits






			@torch.no_grad()
			def __call__(					self    :       List[Any]							, _snake_case    :       List[List[int]]							, _snake_case    :       Optional[torch.Generator] = None							, _snake_case    :       int = 100							, _snake_case    :       bool = True							, _snake_case    :       str = "numpy"							, _snake_case    :       Optional[Callable[[int, int, torch.FloatTensor], None]] = None							, _snake_case    :       int = 1							, )   ->			Union[AudioPipelineOutput, Tuple]:







								"""simple docstring"""
								if (callback_steps is None) or (
								    callback_steps is not None and (not isinstance(_snake_case							, _snake_case						) or callback_steps <= 0)
								):
													raise ValueError(
													    F'`callback_steps` has to be a positive integer but is {callback_steps} of type'
													    F' {type(_snake_case						)}.'						)

								A_								=    np.zeros([1, TARGET_FEATURE_LENGTH, self.n_dims]							, dtype=np.floataa						)
								A_								=    np.zeros([1, 0, self.n_dims]							, np.floataa						)
								A_								=    torch.ones((1, TARGET_FEATURE_LENGTH)							, dtype=_snake_case							, device=self.device						)

								for i, encoder_input_tokens in enumerate(_snake_case						):
													if i == 0:
																		A_								=    torch.from_numpy(pred_mel[:1].copy()						).to(
																		    device=self.device							, dtype=self.decoder.dtype						)
																		# The first chunk has no previous context.
																		A_								=    torch.zeros((1, TARGET_FEATURE_LENGTH)							, dtype=_snake_case							, device=self.device						)
													else:
																		# The full song pipeline does not feed in a context feature, so the mask
																		# will be all 0s after the feature converter. Because we know we're
																		# feeding in a full context chunk from the previous prediction, set it
																		# to all 1s.
																		A_								=    ones

													A_								=    self.scale_features(
													    _snake_case							, output_range=[-1.0, 1.0]							, clip=_snake_case						)

													A_								=    self.encode(
													    input_tokens=torch.IntTensor([encoder_input_tokens]						).to(device=self.device						)							, continuous_inputs=_snake_case							, continuous_mask=_snake_case							, )

													# Sample encoder_continuous_inputs shaped gaussian noise to begin loop
													A_								=    randn_tensor(
													    shape=encoder_continuous_inputs.shape							, generator=_snake_case							, device=self.device							, dtype=self.decoder.dtype							, )

													# set step values
													self.scheduler.set_timesteps(_snake_case						)

													# Denoising diffusion loop
													for j, t in enumerate(self.progress_bar(self.scheduler.timesteps						)						):
																		A_								=    self.decode(
																		    encodings_and_masks=_snake_case							, input_tokens=_snake_case							, noise_time=t / self.scheduler.config.num_train_timesteps							, )

																		# Compute previous output: x_t -> x_t-1
																		A_								=    self.scheduler.step(_snake_case							, _snake_case							, _snake_case							, generator=_snake_case						).prev_sample

													A_								=    self.scale_to_features(_snake_case							, input_range=[-1.0, 1.0]						)
													A_								=    mel[:1]
													A_								=    mel.cpu().float().numpy()

													A_								=    np.concatenate([full_pred_mel, pred_mel[:1]]							, axis=1						)

													# call the callback, if provided
													if callback is not None and i % callback_steps == 0:
																		callback(_snake_case							, _snake_case						)

													logger.info("Generated segment"							, _snake_case						)

								if output_type == "numpy" and not is_onnx_available():
													raise ValueError(
													    "Cannot return output in 'np' format if ONNX is not available. Make sure to have ONNX installed or set 'output_type' to 'mel'."						)
								elif output_type == "numpy" and self.melgan is None:
													raise ValueError(
													    "Cannot return output in 'np' format if melgan component is not defined. Make sure to define `self.melgan` or set 'output_type' to 'mel'."						)

								if output_type == "numpy":
													A_								=    self.melgan(input_features=full_pred_mel.astype(np.floataa						)						)
								else:
													A_								=    full_pred_mel

								if not return_dict:
													return (output,)

								return AudioPipelineOutput(audios=_snake_case						)






"""simple docstring"""





import itertools
import json
import linecache
import os
import pickle
import re
import socket
import string
from collections import Counter
from logging import getLogger
from pathlib import Path
from typing import Callable, Dict, Iterable, List

import git
import torch
from torch.utils.data import Dataset

from transformers import BartTokenizer, RagTokenizer, TaTokenizer
def 				A_  (__a					, __a					, __a					, __a					, __a=True					, __a="pt"					):

					'''simple docstring'''





					A_								=    {"add_prefix_space": True} if isinstance(__a					, __a					) and not line.startswith(" "					) else {}
					A_								=    padding_side
					return tokenizer(
					    [line]					, max_length=__a					, padding="max_length" if pad_to_max_length else None					, truncation=__a					, return_tensors=__a					, add_special_tokens=__a					, **__a					, )
def 				A_  (__a					, __a					, __a=None					, ):

					'''simple docstring'''





					A_								=    input_ids.ne(__a					).any(dim=0					)
					if attention_mask is None:
										return input_ids[:, keep_column_mask]
					else:
										return (input_ids[:, keep_column_mask], attention_mask[:, keep_column_mask])



class __lowerCAmelCase					(       _lowercase   ):




			"""simple docstring"""







			def __init__(					self    :       Optional[Any]							, _snake_case    :       List[Any]							, _snake_case    :       List[Any]							, _snake_case    :       int							, _snake_case    :       Tuple							, _snake_case    :       Dict="train"							, _snake_case    :       List[Any]=None							, _snake_case    :       Optional[int]=None							, _snake_case    :       Optional[int]=None							, _snake_case    :       Any=""							, )   ->			List[str]:







								"""simple docstring"""
								super().__init__()
								A_								=    Path(_snake_case						).joinpath(type_path + ".source"						)
								A_								=    Path(_snake_case						).joinpath(type_path + ".target"						)
								A_								=    self.get_char_lens(self.src_file						)
								A_								=    max_source_length
								A_								=    max_target_length
								assert min(self.src_lens						) > 0, F'found empty line in {self.src_file}'
								A_								=    tokenizer
								A_								=    prefix
								if n_obs is not None:
													A_								=    self.src_lens[:n_obs]
								A_								=    src_lang
								A_								=    tgt_lang




			def __len__(					self    :       Optional[int]						)   ->			List[str]:







								"""simple docstring"""
								return len(self.src_lens						)




			def __getitem__(					self    :       str							, _snake_case    :       Optional[int]						)   ->			Dict[str, torch.Tensor]:







								"""simple docstring"""
								A_								=    index + 1  # linecache starts at 1
								A_								=    self.prefix + linecache.getline(str(self.src_file						)							, _snake_case						).rstrip("\n"						)
								A_								=    linecache.getline(str(self.tgt_file						)							, _snake_case						).rstrip("\n"						)
								assert source_line, F'empty source line for index {index}'
								assert tgt_line, F'empty tgt line for index {index}'

								# Need to add eos token manually for T5
								if isinstance(self.tokenizer							, _snake_case						):
													source_line += self.tokenizer.eos_token
													tgt_line += self.tokenizer.eos_token

								# Pad source and target to the right
								A_								=    (
								    self.tokenizer.question_encoder if isinstance(self.tokenizer							, _snake_case						) else self.tokenizer
								)
								A_								=    self.tokenizer.generator if isinstance(self.tokenizer							, _snake_case						) else self.tokenizer

								A_								=    encode_line(_snake_case							, _snake_case							, self.max_source_length							, "right"						)
								A_								=    encode_line(_snake_case							, _snake_case							, self.max_target_length							, "right"						)

								A_								=    source_inputs["input_ids"].squeeze()
								A_								=    target_inputs["input_ids"].squeeze()
								A_								=    source_inputs["attention_mask"].squeeze()
								return {
								    "input_ids": source_ids,
								    "attention_mask": src_mask,
								    "decoder_input_ids": target_ids,
								}




			@staticmethod
			def   lowerCamelCase__  (					_snake_case    :       List[Any]						)   ->			str:







								"""simple docstring"""
								return [len(_snake_case						) for x in Path(_snake_case						).open().readlines()]






			def   lowerCamelCase__  (					self    :       Any							, _snake_case    :       List[str]						)   ->			Dict[str, torch.Tensor]:







								"""simple docstring"""
								A_								=    torch.stack([x["input_ids"] for x in batch]						)
								A_								=    torch.stack([x["attention_mask"] for x in batch]						)
								A_								=    torch.stack([x["decoder_input_ids"] for x in batch]						)
								A_								=    (
								    self.tokenizer.generator.pad_token_id
								    if isinstance(self.tokenizer							, _snake_case						)
								    else self.tokenizer.pad_token_id
								)
								A_								=    (
								    self.tokenizer.question_encoder.pad_token_id
								    if isinstance(self.tokenizer							, _snake_case						)
								    else self.tokenizer.pad_token_id
								)
								A_								=    trim_batch(_snake_case							, _snake_case						)
								A_			,     A_								=    trim_batch(_snake_case							, _snake_case							, attention_mask=_snake_case						)
								A_								=    {
								    "input_ids": source_ids,
								    "attention_mask": source_mask,
								    "decoder_input_ids": y,
								}
								return batch





UpperCamelCase_       :    Any						      =			getLogger(__name__)
def 				A_  (__a					):

					'''simple docstring'''





					return list(itertools.chain.from_iterable(__a					)					)
def 				A_  (__a					):

					'''simple docstring'''





					A_								=    get_git_info()
					save_json(__a					, os.path.join(__a					, "git_log.json"					)					)
def 				A_  (__a					, __a					, __a=4					, **__a					):

					'''simple docstring'''





					with open(__a					, "w"					) as f:
										json.dump(__a					, __a					, indent=__a					, **__a					)
def 				A_  (__a					):

					'''simple docstring'''





					with open(__a					) as f:
										return json.load(__a					)
def 				A_  ():

					'''simple docstring'''





					A_								=    git.Repo(search_parent_directories=__a					)
					A_								=    {
					    "repo_id": str(__a					),
					    "repo_sha": str(repo.head.object.hexsha					),
					    "repo_branch": str(repo.active_branch					),
					    "hostname": str(socket.gethostname()					),
					}
					return repo_infos
def 				A_  (__a					, __a					):

					'''simple docstring'''





					return list(map(__a					, __a					)					)
def 				A_  (__a					, __a					):

					'''simple docstring'''





					with open(__a					, "wb"					) as f:
										return pickle.dump(__a					, __a					)
def 				A_  (__a					):

					'''simple docstring'''





					def remove_articles(__a					):
										return re.sub(R"\b(a|an|the)\b"					, " "					, __a					)

					def white_space_fix(__a					):
										return " ".join(text.split()					)

					def remove_punc(__a					):
										A_								=    set(string.punctuation					)
										return "".join(ch for ch in text if ch not in exclude					)

					def lower(__a					):
										return text.lower()

					return white_space_fix(remove_articles(remove_punc(lower(__a					)					)					)					)
def 				A_  (__a					, __a					):

					'''simple docstring'''





					A_								=    normalize_answer(__a					).split()
					A_								=    normalize_answer(__a					).split()
					A_								=    Counter(__a					) & Counter(__a					)
					A_								=    sum(common.values()					)
					if num_same == 0:
										return 0
					A_								=    1.0 * num_same / len(__a					)
					A_								=    1.0 * num_same / len(__a					)
					A_								=    (2 * precision * recall) / (precision + recall)
					return fa
def 				A_  (__a					, __a					):

					'''simple docstring'''





					return normalize_answer(__a					) == normalize_answer(__a					)
def 				A_  (__a					, __a					):

					'''simple docstring'''





					assert len(__a					) == len(__a					)
					A_								=    0
					for hypo, pred in zip(__a					, __a					):
										em += exact_match_score(__a					, __a					)
					if len(__a					) > 0:
										em /= len(__a					)
					return {"em": em}
def 				A_  (__a					):

					'''simple docstring'''





					return model_prefix.startswith("rag"					)




def 				A_  (__a					, __a					, __a					):

					'''simple docstring'''





					A_								=    {p: p for p in extra_params}
					# T5 models don't have `dropout` param, they have `dropout_rate` instead
					A_								=    "dropout_rate"
					for p in extra_params:
										if getattr(__a					, __a					, __a					):
															if not hasattr(__a					, __a					) and not hasattr(__a					, equivalent_param[p]					):
																				logger.info("config doesn't have a `{}` attribute".format(__a					)					)
																				delattr(__a					, __a					)
																				continue
															A_								=    p if hasattr(__a					, __a					) else equivalent_param[p]
															setattr(__a					, __a					, getattr(__a					, __a					)					)
															delattr(__a					, __a					)
					return hparams, config




