
from math import log

from scipy.constants import Boltzmann, physical_constants

SCREAMING_SNAKE_CASE__   :			Union[str, Any]												=    300  # TEMPERATURE (unit = K)




def  __magic_name__ (   __lowerCAmelCase	:						float		,  __lowerCAmelCase	:						float		,  __lowerCAmelCase	:						float		,  )			->   float:

				if donor_conc <= 0:
								raise ValueError('''Donor concentration should be positive'''							)
				elif acceptor_conc <= 0:
								raise ValueError('''Acceptor concentration should be positive'''							)
				elif intrinsic_conc <= 0:
								raise ValueError('''Intrinsic concentration should be positive'''							)
				elif donor_conc <= intrinsic_conc:
								raise ValueError(
								    '''Donor concentration should be greater than intrinsic concentration'''							)
				elif acceptor_conc <= intrinsic_conc:
								raise ValueError(
								    '''Acceptor concentration should be greater than intrinsic concentration'''							)
				else:
								return (
								    Boltzmann
								    * T
								    * log((donor_conc * acceptor_conc) / intrinsic_conc**2							)
								    / physical_constants["electron volt"][0]
								)


if __name__ == "__main__":
					import doctest

					doctest.testmod()





import logging
import os
from dataclasses import dataclass
from enum import Enum
from typing import List, Optional, Union

from filelock import FileLock

from transformers import PreTrainedTokenizer, is_tf_available, is_torch_available


SCREAMING_SNAKE_CASE__   :			Optional[int]												=    logging.getLogger(__name__)

@dataclass
class    lowerCAmelCase__     :
		a__       :						str
		a__       :						List[str]
		a__       :						Optional[List[str]]





@dataclass
class    lowerCAmelCase__     :
		a__       :						List[int]
		a__       :						List[int]
		a__       :						Optional[List[int]]        =		None
		a__       :						Optional[List[int]]        =		None





class    lowerCAmelCase__     (	__lowercase			):
		a__       :						Optional[Any]        =		"""train"""
		a__       :						Optional[int]        =		"""dev"""
		a__       :						Dict        =		"""test"""





class    lowerCAmelCase__     :






		@staticmethod
		def  __A       (		SCREAMING_SNAKE_CASE__		:							Union[str, Any]							,			SCREAMING_SNAKE_CASE__		:							Union[Split, str]  )     ->							List[InputExample]:
						raise NotImplementedError






		@staticmethod
		def  __A       (		SCREAMING_SNAKE_CASE__		:							str  )     ->							List[str]:
						raise NotImplementedError







		@staticmethod
		def  __A       (		SCREAMING_SNAKE_CASE__		:							List[InputExample]							,			SCREAMING_SNAKE_CASE__		:							List[str]							,			SCREAMING_SNAKE_CASE__		:							int							,			SCREAMING_SNAKE_CASE__		:							PreTrainedTokenizer							,			SCREAMING_SNAKE_CASE__		:							Optional[Any]=False							,			SCREAMING_SNAKE_CASE__		:							List[str]="[CLS]"							,			SCREAMING_SNAKE_CASE__		:							Tuple=1							,			SCREAMING_SNAKE_CASE__		:							str="[SEP]"							,			SCREAMING_SNAKE_CASE__		:							List[Any]=False							,			SCREAMING_SNAKE_CASE__		:							Union[str, Any]=False							,			SCREAMING_SNAKE_CASE__		:							Tuple=0							,			SCREAMING_SNAKE_CASE__		:							int=0							,			SCREAMING_SNAKE_CASE__		:							str=-1_00							,			SCREAMING_SNAKE_CASE__		:							Union[str, Any]=0							,			SCREAMING_SNAKE_CASE__		:							List[Any]=True							,			)     ->							List[InputFeatures]:
						__lowerCamelCase    					=	{label: i for i, label in enumerate(SCREAMING_SNAKE_CASE__  )}

						__lowerCamelCase    					=	[]
						for ex_index, example in enumerate(SCREAMING_SNAKE_CASE__  ):
										if ex_index % 1_00_00 == 0:
														logger.info('''Writing example %d of %d'''							,			SCREAMING_SNAKE_CASE__							,			len(SCREAMING_SNAKE_CASE__  )  )

										__lowerCamelCase    					=	[]
										__lowerCamelCase    					=	[]
										for word, label in zip(example.words							,			example.labels  ):
														__lowerCamelCase    					=	tokenizer.tokenize(SCREAMING_SNAKE_CASE__  )

														# bert-base-multilingual-cased sometimes output "nothing ([]) when calling tokenize with just a space.
														if len(SCREAMING_SNAKE_CASE__  ) > 0:
																		tokens.extend(SCREAMING_SNAKE_CASE__  )
																		# Use the real label id for the first token of the word, and padding ids for the remaining tokens
																		label_ids.extend([label_map[label]] + [pad_token_label_id] * (len(SCREAMING_SNAKE_CASE__  ) - 1)  )

            # Account for [CLS] and [SEP] with "- 2" and with "- 3" for RoBERTa.
										__lowerCamelCase    					=	tokenizer.num_special_tokens_to_add()
										if len(SCREAMING_SNAKE_CASE__  ) > max_seq_length - special_tokens_count:
														__lowerCamelCase    					=	tokens[: (max_seq_length - special_tokens_count)]
														__lowerCamelCase    					=	label_ids[: (max_seq_length - special_tokens_count)]

										# The convention in BERT is:
										# (a) For sequence pairs:
										#  tokens:   [CLS] is this jack ##son ##ville ? [SEP] no it is not . [SEP]
										#  type_ids:   0   0  0    0    0     0       0   0   1  1  1  1   1   1
										# (b) For single sequences:
										#  tokens:   [CLS] the dog is hairy . [SEP]
										#  type_ids:   0   0   0   0  0     0   0
										#
										# Where "type_ids" are used to indicate whether this is the first
										# sequence or the second sequence. The embedding vectors for `type=0` and
										# `type=1` were learned during pre-training and are added to the wordpiece
										# embedding vector (and position vector). This is not *strictly* necessary
										# since the [SEP] token unambiguously separates the sequences, but it makes
										# it easier for the model to learn the concept of sequences.
										#
										# For classification tasks, the first vector (corresponding to [CLS]) is
										# used as the "sentence vector". Note that this only makes sense because
										# the entire model is fine-tuned.
										tokens += [sep_token]
										label_ids += [pad_token_label_id]
										if sep_token_extra:
														# roberta uses an extra separator b/w pairs of sentences
														tokens += [sep_token]
														label_ids += [pad_token_label_id]
										__lowerCamelCase    					=	[sequence_a_segment_id] * len(SCREAMING_SNAKE_CASE__  )

										if cls_token_at_end:
														tokens += [cls_token]
														label_ids += [pad_token_label_id]
														segment_ids += [cls_token_segment_id]
										else:
														__lowerCamelCase    					=	[cls_token] + tokens
														__lowerCamelCase    					=	[pad_token_label_id] + label_ids
														__lowerCamelCase    					=	[cls_token_segment_id] + segment_ids

										__lowerCamelCase    					=	tokenizer.convert_tokens_to_ids(SCREAMING_SNAKE_CASE__  )

										# The mask has 1 for real tokens and 0 for padding tokens. Only real
										# tokens are attended to.
										__lowerCamelCase    					=	[1 if mask_padding_with_zero else 0] * len(SCREAMING_SNAKE_CASE__  )

										# Zero-pad up to the sequence length.
										__lowerCamelCase    					=	max_seq_length - len(SCREAMING_SNAKE_CASE__  )
										if pad_on_left:
														__lowerCamelCase    					=	([pad_token] * padding_length) + input_ids
														__lowerCamelCase    					=	([0 if mask_padding_with_zero else 1] * padding_length) + input_mask
														__lowerCamelCase    					=	([pad_token_segment_id] * padding_length) + segment_ids
														__lowerCamelCase    					=	([pad_token_label_id] * padding_length) + label_ids
										else:
														input_ids += [pad_token] * padding_length
														input_mask += [0 if mask_padding_with_zero else 1] * padding_length
														segment_ids += [pad_token_segment_id] * padding_length
														label_ids += [pad_token_label_id] * padding_length

										assert len(SCREAMING_SNAKE_CASE__  ) == max_seq_length
										assert len(SCREAMING_SNAKE_CASE__  ) == max_seq_length
										assert len(SCREAMING_SNAKE_CASE__  ) == max_seq_length
										assert len(SCREAMING_SNAKE_CASE__  ) == max_seq_length

										if ex_index < 5:
														logger.info('''*** Example ***'''  )
														logger.info('''guid: %s'''							,			example.guid  )
														logger.info('''tokens: %s'''							,			''' '''.join([str(SCREAMING_SNAKE_CASE__  ) for x in tokens]  )  )
														logger.info('''input_ids: %s'''							,			''' '''.join([str(SCREAMING_SNAKE_CASE__  ) for x in input_ids]  )  )
														logger.info('''input_mask: %s'''							,			''' '''.join([str(SCREAMING_SNAKE_CASE__  ) for x in input_mask]  )  )
														logger.info('''segment_ids: %s'''							,			''' '''.join([str(SCREAMING_SNAKE_CASE__  ) for x in segment_ids]  )  )
														logger.info('''label_ids: %s'''							,			''' '''.join([str(SCREAMING_SNAKE_CASE__  ) for x in label_ids]  )  )

										if "token_type_ids" not in tokenizer.model_input_names:
														__lowerCamelCase    					=	None

										features.append(
										    InputFeatures(
										        input_ids=SCREAMING_SNAKE_CASE__							,			attention_mask=SCREAMING_SNAKE_CASE__							,			token_type_ids=SCREAMING_SNAKE_CASE__							,			label_ids=SCREAMING_SNAKE_CASE__  )  )
						return features


if is_torch_available():
					import torch
					from torch import nn
					from torch.utils.data import Dataset

					class    lowerCAmelCase__     (	__lowercase			):
							a__       :						List[InputFeatures]
							a__       :						int        =		nn.CrossEntropyLoss().ignore_index






							def __init__(		self		:							List[str]							,			SCREAMING_SNAKE_CASE__		:							TokenClassificationTask							,			SCREAMING_SNAKE_CASE__		:							str							,			SCREAMING_SNAKE_CASE__		:							PreTrainedTokenizer							,			SCREAMING_SNAKE_CASE__		:							List[str]							,			SCREAMING_SNAKE_CASE__		:							str							,			SCREAMING_SNAKE_CASE__		:							Optional[int] = None							,			SCREAMING_SNAKE_CASE__		:							Union[str, Any]=False							,			SCREAMING_SNAKE_CASE__		:							Split = Split.train							,			)     ->							Union[str, Any]:
											# Load data features from cache or dataset file
											__lowerCamelCase    					=	os.path.join(
											    SCREAMING_SNAKE_CASE__							,			'''cached_{}_{}_{}'''.format(mode.value							,			tokenizer.__class__.__name__							,			str(SCREAMING_SNAKE_CASE__  )  )							,			)

											# Make sure only the first process in distributed training processes the dataset,
											# and the others will use the cache.
											__lowerCamelCase    					=	cached_features_file + '''.lock'''
											with FileLock(SCREAMING_SNAKE_CASE__  ):
															if os.path.exists(SCREAMING_SNAKE_CASE__  ) and not overwrite_cache:
																			logger.info(f'''Loading features from cached file {cached_features_file}'''  )
																			__lowerCamelCase    					=	torch.load(SCREAMING_SNAKE_CASE__  )
															else:
																			logger.info(f'''Creating features from dataset file at {data_dir}'''  )
																			__lowerCamelCase    					=	token_classification_task.read_examples_from_file(SCREAMING_SNAKE_CASE__							,			SCREAMING_SNAKE_CASE__  )
																			# TODO clean up all this to leverage built-in features of tokenizers
																			__lowerCamelCase    					=	token_classification_task.convert_examples_to_features(
																			    SCREAMING_SNAKE_CASE__							,			SCREAMING_SNAKE_CASE__							,			SCREAMING_SNAKE_CASE__							,			SCREAMING_SNAKE_CASE__							,			cls_token_at_end=bool(model_type in ['''xlnet''']  )							,			cls_token=tokenizer.cls_token							,			cls_token_segment_id=2 if model_type in ['''xlnet'''] else 0							,			sep_token=tokenizer.sep_token							,			sep_token_extra=SCREAMING_SNAKE_CASE__							,			pad_on_left=bool(tokenizer.padding_side == '''left'''  )							,			pad_token=tokenizer.pad_token_id							,			pad_token_segment_id=tokenizer.pad_token_type_id							,			pad_token_label_id=self.pad_token_label_id							,			)
																			logger.info(f'''Saving features into cached file {cached_features_file}'''  )
																			torch.save(self.features							,			SCREAMING_SNAKE_CASE__  )






							def __len__(		self		:							Dict  )     ->							str:
											return len(self.features  )







							def __getitem__(		self		:							Any							,			SCREAMING_SNAKE_CASE__		:							Dict  )     ->							InputFeatures:
											return self.features[i]


if is_tf_available():
					import tensorflow as tf

					class    lowerCAmelCase__     :
							a__       :						List[InputFeatures]
							a__       :						int        =		-100






							def __init__(		self		:							Optional[Any]							,			SCREAMING_SNAKE_CASE__		:							TokenClassificationTask							,			SCREAMING_SNAKE_CASE__		:							str							,			SCREAMING_SNAKE_CASE__		:							PreTrainedTokenizer							,			SCREAMING_SNAKE_CASE__		:							List[str]							,			SCREAMING_SNAKE_CASE__		:							str							,			SCREAMING_SNAKE_CASE__		:							Optional[int] = None							,			SCREAMING_SNAKE_CASE__		:							Optional[Any]=False							,			SCREAMING_SNAKE_CASE__		:							Split = Split.train							,			)     ->							List[Any]:
											__lowerCamelCase    					=	token_classification_task.read_examples_from_file(SCREAMING_SNAKE_CASE__							,			SCREAMING_SNAKE_CASE__  )
											# TODO clean up all this to leverage built-in features of tokenizers
											__lowerCamelCase    					=	token_classification_task.convert_examples_to_features(
											    SCREAMING_SNAKE_CASE__							,			SCREAMING_SNAKE_CASE__							,			SCREAMING_SNAKE_CASE__							,			SCREAMING_SNAKE_CASE__							,			cls_token_at_end=bool(model_type in ['''xlnet''']  )							,			cls_token=tokenizer.cls_token							,			cls_token_segment_id=2 if model_type in ['''xlnet'''] else 0							,			sep_token=tokenizer.sep_token							,			sep_token_extra=SCREAMING_SNAKE_CASE__							,			pad_on_left=bool(tokenizer.padding_side == '''left'''  )							,			pad_token=tokenizer.pad_token_id							,			pad_token_segment_id=tokenizer.pad_token_type_id							,			pad_token_label_id=self.pad_token_label_id							,			)

											def gen():
															for ex in self.features:
																			if ex.token_type_ids is None:
																							yield (
																							    {"input_ids": ex.input_ids, "attention_mask": ex.attention_mask},
																							    ex.label_ids,
																							)
																			else:
																							yield (
																							    {
																							        "input_ids": ex.input_ids,
																							        "attention_mask": ex.attention_mask,
																							        "token_type_ids": ex.token_type_ids,
																							    },
																							    ex.label_ids,
																							)

											if "token_type_ids" not in tokenizer.model_input_names:
															__lowerCamelCase    					=	tf.data.Dataset.from_generator(
															    SCREAMING_SNAKE_CASE__							,			({'''input_ids''': tf.intaa, '''attention_mask''': tf.intaa}, tf.intaa)							,			(
															        {'''input_ids''': tf.TensorShape([None]  ), '''attention_mask''': tf.TensorShape([None]  )},
															        tf.TensorShape([None]  ),
															    )							,			)
											else:
															__lowerCamelCase    					=	tf.data.Dataset.from_generator(
															    SCREAMING_SNAKE_CASE__							,			({'''input_ids''': tf.intaa, '''attention_mask''': tf.intaa, '''token_type_ids''': tf.intaa}, tf.intaa)							,			(
															        {
															            '''input_ids''': tf.TensorShape([None]  ),
															            '''attention_mask''': tf.TensorShape([None]  ),
															            '''token_type_ids''': tf.TensorShape([None]  ),
															        },
															        tf.TensorShape([None]  ),
															    )							,			)






							def  __A       (		self		:							Union[str, Any]  )     ->							Union[str, Any]:
											__lowerCamelCase    					=	self.dataset.apply(tf.data.experimental.assert_cardinality(len(self.features  )  )  )

											return self.dataset






							def __len__(		self		:							List[Any]  )     ->							Any:
											return len(self.features  )







							def __getitem__(		self		:							List[str]							,			SCREAMING_SNAKE_CASE__		:							Optional[int]  )     ->							InputFeatures:
											return self.features[i]



