



import logging
from pathlib import Path

import numpy as np
import pytorch_lightning as pl
import torch
from pytorch_lightning.callbacks import EarlyStopping, ModelCheckpoint
from pytorch_lightning.utilities import rank_zero_only

from utils import save_json


def 						_UpperCAmelCase							( snake_case     ):





					"""simple docstring"""

					_lowerCAmelCase         =       filter(lambda snake_case     : p.requires_grad      ,		model.parameters()     )
					_lowerCAmelCase         =       sum([np.prod(p.size()     ) for p in model_parameters]     )
					return params


A__       =			logging.getLogger(__name__)





class    __lowerCAmelCase					(	pl.Callback			):




				def 				snake_case  (				self		,							_snake_case		,							_snake_case						):



									"""simple docstring"""





									_lowerCAmelCase         =       {F'lr_group_{i}': param["""lr"""] for i, param in enumerate(pl_module.trainer.optimizers[0].param_groups						)}
									pl_module.logger.log_metrics(_snake_case						)




				@rank_zero_only
				def 				snake_case  (				self		,							_snake_case		,							_snake_case		,							_snake_case		,							_snake_case=True						):



									"""simple docstring"""





									logger.info(F'***** {type_path} results at step {trainer.global_step:05d} *****'						)
									_lowerCAmelCase         =       trainer.callback_metrics
									trainer.logger.log_metrics({k: v for k, v in metrics.items() if k not in ["""log""", """progress_bar""", """preds"""]}						)
									# Log results
									_lowerCAmelCase         =       Path(pl_module.hparams.output_dir						)
									if type_path == "test":
														_lowerCAmelCase         =       od / """test_results.txt"""
														_lowerCAmelCase         =       od / """test_generations.txt"""
									else:
														# this never gets hit. I prefer not to save intermediate generations, and results are in metrics.json
														# If people want this it will be easy enough to add back.
														_lowerCAmelCase         =       od / F'{type_path}_results/{trainer.global_step:05d}.txt'
														_lowerCAmelCase         =       od / F'{type_path}_generations/{trainer.global_step:05d}.txt'
														results_file.parent.mkdir(exist_ok=_snake_case						)
														generations_file.parent.mkdir(exist_ok=_snake_case						)
									with open(_snake_case		,							"""a+"""						) as writer:
														for key in sorted(_snake_case						):
																			if key in ["log", "progress_bar", "preds"]:
																								continue
																			_lowerCAmelCase         =       metrics[key]
																			if isinstance(_snake_case		,							torch.Tensor						):
																								_lowerCAmelCase         =       val.item()
																			_lowerCAmelCase         =       F'{key}: {val:.6f}\n'
																			writer.write(_snake_case						)

									if not save_generations:
														return

									if "preds" in metrics:
														_lowerCAmelCase         =       """\n""".join(metrics["""preds"""]						)
														generations_file.open("""w+"""						).write(_snake_case						)




				@rank_zero_only
				def 				snake_case  (				self		,							_snake_case		,							_snake_case						):



									"""simple docstring"""





									try:
														_lowerCAmelCase         =       pl_module.model.model.num_parameters()
									except AttributeError:
														_lowerCAmelCase         =       pl_module.model.num_parameters()

									_lowerCAmelCase         =       count_trainable_parameters(_snake_case						)
									# mp stands for million parameters
									trainer.logger.log_metrics({"""n_params""": npars, """mp""": npars / 1e6, """grad_mp""": n_trainable_pars / 1e6}						)




				@rank_zero_only
				def 				snake_case  (				self		,							_snake_case		,							_snake_case						):



									"""simple docstring"""





									save_json(pl_module.metrics		,							pl_module.metrics_save_path						)
									return self._write_logs(_snake_case		,							_snake_case		,							"""test"""						)




				@rank_zero_only
				def 				snake_case  (				self		,							_snake_case		,							_snake_case						):



									"""simple docstring"""





									save_json(pl_module.metrics		,							pl_module.metrics_save_path						)
									# Uncommenting this will save val generations
									# return self._write_logs(trainer, pl_module, "valid")


def 						_UpperCAmelCase							( snake_case      ,		snake_case      ,		snake_case=1      ,		snake_case=False     ):





					"""simple docstring"""

					if metric == "rouge2":
										_lowerCAmelCase         =       """{val_avg_rouge2:.4f}-{step_count}"""
					elif metric == "bleu":
										_lowerCAmelCase         =       """{val_avg_bleu:.4f}-{step_count}"""
					elif metric == "loss":
										_lowerCAmelCase         =       """{val_avg_loss:.4f}-{step_count}"""
					else:
										raise NotImplementedError(
										    F'seq2seq callbacks only support rouge2, bleu and loss, got {metric}, You can make your own by adding to'
										    """ this function."""     )

					_lowerCAmelCase         =       ModelCheckpoint(
					    dirpath=snake_case      ,		filename=snake_case      ,		monitor=F'val_{metric}'      ,		mode="""min""" if """loss""" in metric else """max"""      ,		save_top_k=snake_case      ,		)
					return checkpoint_callback


def 						_UpperCAmelCase							( snake_case      ,		snake_case     ):





					"""simple docstring"""

					return EarlyStopping(
					    monitor=F'val_{metric}'      ,		mode="""min""" if """loss""" in metric else """max"""      ,		patience=snake_case      ,		verbose=snake_case      ,		)








'''simple docstring'''







import csv
import dataclasses
import json
from dataclasses import dataclass
from typing import List, Optional, Union

from ...utils import is_tf_available, is_torch_available, logging


lowercase__  :	str            =      logging.get_logger(__name__)

@dataclass
class    lowerCamelCase_				:






   '''simple docstring'''

   A			:  str
   A			:  str
   A			:  Optional[str]					=						None
   A			:  Optional[str]					=						None


   def 						_UpperCamelCase							(	self			):
       return json.dumps(dataclasses.asdict(self			)  ,    indent=2			) + "\n"

@dataclass(frozen=lowerCAmelCase_	)
class    lowerCamelCase_				:






   '''simple docstring'''

   A			:  List[int]
   A			:  Optional[List[int]]					=						None
   A			:  Optional[List[int]]					=						None
   A			:  Optional[Union[int, float]]					=						None


   def 						_UpperCamelCase							(	self			):
       return json.dumps(dataclasses.asdict(self			)			) + "\n"

class    lowerCamelCase_				:






   '''simple docstring'''

   def 						_UpperCamelCase							(	self  ,    __UpperCamelCase			):
       raise NotImplementedError()


   def 						_UpperCamelCase							(	self  ,    __UpperCamelCase			):
       raise NotImplementedError()


   def 						_UpperCamelCase							(	self  ,    __UpperCamelCase			):
       raise NotImplementedError()


   def 						_UpperCamelCase							(	self  ,    __UpperCamelCase			):
       raise NotImplementedError()


   def 						_UpperCamelCase							(	self			):
       raise NotImplementedError()


   def 						_UpperCamelCase							(	self  ,    __UpperCamelCase			):
       if len(self.get_labels()			) > 1:
           UpperCamelCase__	     =      self.get_labels()[int(example.label			)]
       return example







   @classmethod
   def 						_UpperCamelCase							(	cls  ,    __UpperCamelCase  ,    __UpperCamelCase=None			):
       with open(__UpperCamelCase  ,    "r"  ,    encoding="utf-8-sig"			) as f:
           return list(csv.reader(__UpperCamelCase  ,    delimiter="\t"  ,    quotechar=__UpperCamelCase			)			)

class    lowerCamelCase_				(						lowerCAmelCase_	):






   '''simple docstring'''

   def __init__(	self  ,    __UpperCamelCase=None  ,    __UpperCamelCase=None  ,    __UpperCamelCase="classification"  ,    __UpperCamelCase=False			):
       UpperCamelCase__	     =      [] if labels is None else labels
       UpperCamelCase__	     =      [] if examples is None else examples
       UpperCamelCase__	     =      mode
       UpperCamelCase__	     =      verbose


   def __len__(	self			):
       return len(self.examples			)


   def __getitem__(	self  ,    __UpperCamelCase			):
       if isinstance(__UpperCamelCase  ,    __UpperCamelCase			):
           return SingleSentenceClassificationProcessor(labels=self.labels  ,    examples=self.examples[idx]			)
       return self.examples[idx]


   @classmethod
   def 						_UpperCamelCase							(	cls  ,    __UpperCamelCase  ,    __UpperCamelCase=""  ,    __UpperCamelCase=0  ,    __UpperCamelCase=1  ,    __UpperCamelCase=None  ,    __UpperCamelCase=False  ,    **__UpperCamelCase			):
       UpperCamelCase__	     =      cls(**__UpperCamelCase			)
       processor.add_examples_from_csv(
           __UpperCamelCase  ,    split_name=__UpperCamelCase  ,    column_label=__UpperCamelCase  ,    column_text=__UpperCamelCase  ,    column_id=__UpperCamelCase  ,    skip_first_row=__UpperCamelCase  ,    overwrite_labels=__UpperCamelCase  ,    overwrite_examples=__UpperCamelCase  ,    )
       return processor


   @classmethod
   def 						_UpperCamelCase							(	cls  ,    __UpperCamelCase  ,    __UpperCamelCase=None  ,    **__UpperCamelCase			):
       UpperCamelCase__	     =      cls(**__UpperCamelCase			)
       processor.add_examples(__UpperCamelCase  ,    labels=__UpperCamelCase			)
       return processor


   def 						_UpperCamelCase							(	self  ,    __UpperCamelCase  ,    __UpperCamelCase=""  ,    __UpperCamelCase=0  ,    __UpperCamelCase=1  ,    __UpperCamelCase=None  ,    __UpperCamelCase=False  ,    __UpperCamelCase=False  ,    __UpperCamelCase=False  ,    ):
       UpperCamelCase__	     =      self._read_tsv(__UpperCamelCase			)
       if skip_first_row:
           UpperCamelCase__	     =      lines[1:]
       UpperCamelCase__	     =      []
       UpperCamelCase__	     =      []
       UpperCamelCase__	     =      []
       for i, line in enumerate(__UpperCamelCase			):
           texts.append(line[column_text]			)
           labels.append(line[column_label]			)
           if column_id is not None:
               ids.append(line[column_id]			)
           else:
               UpperCamelCase__	     =      f'{split_name}-{i}' if split_name else str(__UpperCamelCase			)
               ids.append(__UpperCamelCase			)

       return self.add_examples(
           __UpperCamelCase  ,    __UpperCamelCase  ,    __UpperCamelCase  ,    overwrite_labels=__UpperCamelCase  ,    overwrite_examples=__UpperCamelCase			)


   def 						_UpperCamelCase							(	self  ,    __UpperCamelCase  ,    __UpperCamelCase=None  ,    __UpperCamelCase=None  ,    __UpperCamelCase=False  ,    __UpperCamelCase=False			):
       if labels is not None and len(__UpperCamelCase			) != len(__UpperCamelCase			):
           raise ValueError(
               f'Text and labels have mismatched lengths {len(__UpperCamelCase			)} and {len(__UpperCamelCase			)}'			)
       if ids is not None and len(__UpperCamelCase			) != len(__UpperCamelCase			):
           raise ValueError(f'Text and ids have mismatched lengths {len(__UpperCamelCase			)} and {len(__UpperCamelCase			)}'			)
       if ids is None:
           UpperCamelCase__	     =      [None] * len(__UpperCamelCase			)
       if labels is None:
           UpperCamelCase__	     =      [None] * len(__UpperCamelCase			)
       UpperCamelCase__	     =      []
       UpperCamelCase__	     =      set()
       for text_or_text_and_label, label, guid in zip(__UpperCamelCase  ,    __UpperCamelCase  ,    __UpperCamelCase			):
           if isinstance(__UpperCamelCase  ,    (tuple, list)			) and label is None:
               UpperCamelCase__     ,	UpperCamelCase__	     =      text_or_text_and_label
           else:
               UpperCamelCase__	     =      text_or_text_and_label
           added_labels.add(__UpperCamelCase			)
           examples.append(InputExample(guid=__UpperCamelCase  ,    text_a=__UpperCamelCase  ,    text_b=__UpperCamelCase  ,    label=__UpperCamelCase			)			)

       # Update examples
       if overwrite_examples:
           UpperCamelCase__	     =      examples
       else:
           self.examples.extend(__UpperCamelCase			)

       # Update labels
       if overwrite_labels:
           UpperCamelCase__	     =      list(__UpperCamelCase			)
       else:
           UpperCamelCase__	     =      list(set(self.labels			).union(__UpperCamelCase			)			)

       return self.examples







   def 						_UpperCamelCase							(	self  ,    __UpperCamelCase  ,    __UpperCamelCase=None  ,    __UpperCamelCase=False  ,    __UpperCamelCase=0  ,    __UpperCamelCase=True  ,    __UpperCamelCase=None  ,    ):
       if max_length is None:
           UpperCamelCase__	     =      tokenizer.max_len

       UpperCamelCase__	     =      {label: i for i, label in enumerate(self.labels			)}

       UpperCamelCase__	     =      []
       for ex_index, example in enumerate(self.examples			):
           if ex_index % 1_00_00 == 0:
               logger.info(f'Tokenizing example {ex_index}'			)

           UpperCamelCase__	     =      tokenizer.encode(
               example.text_a  ,    add_special_tokens=__UpperCamelCase  ,    max_length=min(__UpperCamelCase  ,    tokenizer.max_len			)  ,    )
           all_input_ids.append(__UpperCamelCase			)

       UpperCamelCase__	     =      max(len(__UpperCamelCase			) for input_ids in all_input_ids			)

       UpperCamelCase__	     =      []
       for ex_index, (input_ids, example) in enumerate(zip(__UpperCamelCase  ,    self.examples			)			):
           if ex_index % 1_00_00 == 0:
               logger.info(f'Writing example {ex_index}/{len(self.examples			)}'			)
           # The mask has 1 for real tokens and 0 for padding tokens. Only real
           # tokens are attended to.
           UpperCamelCase__	     =      [1 if mask_padding_with_zero else 0] * len(__UpperCamelCase			)

           # Zero-pad up to the sequence length.
           UpperCamelCase__	     =      batch_length - len(__UpperCamelCase			)
           if pad_on_left:
               UpperCamelCase__	     =      ([pad_token] * padding_length) + input_ids
               UpperCamelCase__	     =      ([0 if mask_padding_with_zero else 1] * padding_length) + attention_mask
           else:
               UpperCamelCase__	     =      input_ids + ([pad_token] * padding_length)
               UpperCamelCase__	     =      attention_mask + ([0 if mask_padding_with_zero else 1] * padding_length)

           if len(__UpperCamelCase			) != batch_length:
               raise ValueError(f'Error with input length {len(__UpperCamelCase			)} vs {batch_length}'			)
           if len(__UpperCamelCase			) != batch_length:
               raise ValueError(f'Error with input length {len(__UpperCamelCase			)} vs {batch_length}'			)

           if self.mode == "classification":
               UpperCamelCase__	     =      label_map[example.label]
           elif self.mode == "regression":
               UpperCamelCase__	     =      float(example.label			)
           else:
               raise ValueError(self.mode			)

           if ex_index < 5 and self.verbose:
               logger.info("*** Example ***"			)
               logger.info(f'guid: {example.guid}'			)
               logger.info(f'input_ids: {" ".join([str(__UpperCamelCase			) for x in input_ids]			)}'			)
               logger.info(f'attention_mask: {" ".join([str(__UpperCamelCase			) for x in attention_mask]			)}'			)
               logger.info(f'label: {example.label} (id = {label})'			)

           features.append(InputFeatures(input_ids=__UpperCamelCase  ,    attention_mask=__UpperCamelCase  ,    label=__UpperCamelCase			)			)

       if return_tensors is None:
           return features
       elif return_tensors == "tf":
           if not is_tf_available():
               raise RuntimeError("return_tensors set to 'tf' but TensorFlow 2.0 can't be imported"			)
           import tensorflow as tf

           def gen():
               for ex in features:
                   yield ({"input_ids": ex.input_ids, "attention_mask": ex.attention_mask}, ex.label)

           UpperCamelCase__	     =      tf.data.Dataset.from_generator(
               __UpperCamelCase  ,    ({"input_ids": tf.intaa, "attention_mask": tf.intaa}, tf.intaa)  ,    ({"input_ids": tf.TensorShape([None]			), "attention_mask": tf.TensorShape([None]			)}, tf.TensorShape([]			))  ,    )
           return dataset
       elif return_tensors == "pt":
           if not is_torch_available():
               raise RuntimeError("return_tensors set to 'pt' but PyTorch can't be imported"			)
           import torch
           from torch.utils.data import TensorDataset

           UpperCamelCase__	     =      torch.tensor([f.input_ids for f in features]  ,    dtype=torch.long			)
           UpperCamelCase__	     =      torch.tensor([f.attention_mask for f in features]  ,    dtype=torch.long			)
           if self.mode == "classification":
               UpperCamelCase__	     =      torch.tensor([f.label for f in features]  ,    dtype=torch.long			)
           elif self.mode == "regression":
               UpperCamelCase__	     =      torch.tensor([f.label for f in features]  ,    dtype=torch.float			)

           UpperCamelCase__	     =      TensorDataset(__UpperCamelCase  ,    __UpperCamelCase  ,    __UpperCamelCase			)
           return dataset
       else:
           raise ValueError("return_tensors should be one of 'tf' or 'pt'"			)




