





import numpy as np
import pandas as pd
from sklearn.preprocessing import MinMaxScaler
from tensorflow.keras.layers import LSTM, Dense
from tensorflow.keras.models import Sequential

if __name__ == "__main__":
 _lowerCAmelCase							:					Any		    =		pd.read_csv('''sample_data.csv''', header=None)
 _lowerCAmelCase							:					Dict		    =		df.shape[:1][0]
 # If you're using some other dataset input the target column
 _lowerCAmelCase							:					Dict		    =		df.iloc[:, 1:2]
 _lowerCAmelCase							:					int		    =		actual_data.values.reshape(len_data, 1)
 _lowerCAmelCase							:					str		    =		MinMaxScaler().fit_transform(actual_data)
 _lowerCAmelCase							:					Any		    =		10
 _lowerCAmelCase							:					Optional[int]		    =		5
 _lowerCAmelCase							:					Tuple		    =		20
 _lowerCAmelCase							:					List[Any]		    =		len_data - periods * look_back
 _lowerCAmelCase							:					List[str]		    =		actual_data[:division]
 _lowerCAmelCase							:					Dict		    =		actual_data[division - look_back :]
 _lowerCAmelCase							:					List[str]		    =		[], []
 _lowerCAmelCase							:					Optional[int]		    =		[], []

 for i in range(0, len(train_data) - forward_days - look_back + 1):
  train_x.append(train_data[i : i + look_back])
  train_y.append(train_data[i + look_back : i + look_back + forward_days])
 for i in range(0, len(test_data) - forward_days - look_back + 1):
  test_x.append(test_data[i : i + look_back])
  test_y.append(test_data[i + look_back : i + look_back + forward_days])
 _lowerCAmelCase							:					Optional[Any]		    =		np.array(train_x)
 _lowerCAmelCase							:					int		    =		np.array(test_x)
 _lowerCAmelCase							:					Optional[Any]		    =		np.array([list(i.ravel()) for i in train_y])
 _lowerCAmelCase							:					int		    =		np.array([list(i.ravel()) for i in test_y])

 _lowerCAmelCase							:					Any		    =		Sequential()
 model.add(LSTM(128, input_shape=(look_back, 1), return_sequences=True))
 model.add(LSTM(64, input_shape=(128, 1)))
 model.add(Dense(forward_days))
 model.compile(loss='''mean_squared_error''', optimizer='''adam''')
 _lowerCAmelCase							:					List[Any]		    =		model.fit(
     x_train, y_train, epochs=150, verbose=1, shuffle=True, batch_size=4
 )
 _lowerCAmelCase							:					int		    =		model.predict(x_test)





'''simple docstring'''




import unittest

import numpy as np
import torch

from .utils_summarization import build_mask, compute_token_type_ids, process_story, truncate_or_pad







class 	_lowerCAmelCase							(			unittest.TestCase ):


	def     _a	(self							):
				A_	:						Optional[Any]	=     10


	def     _a	(self							):
				A_	:						Dict	=     [1, 2, 3, 4]
				A_	:						List[Any]	=     [1, 2, 3, 4, 0, 0, 0, 0, 0, 0]
				self.assertEqual(truncate_or_pad(lowercase       ,      self.block_size       ,      0							)       ,      lowercase							)


	def     _a	(self							):
				A_	:						List[Any]	=     [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
				A_	:						Tuple	=     [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
				self.assertEqual(truncate_or_pad(lowercase       ,      self.block_size       ,      0							)       ,      lowercase							)


	def     _a	(self							):
				A_	:						Optional[Any]	=     [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]
				A_	:						Any	=     [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
				self.assertEqual(truncate_or_pad(lowercase       ,      self.block_size       ,      0							)       ,      lowercase							)


	def     _a	(self							):
				A_	:						List[str]	=     """It was the year of Our Lord one thousand seven hundred and
        seventy-five.\n\nSpiritual revelations were conceded to England at that
        favoured period, as at this."""
				A_,    A_	:						Dict	=     process_story(lowercase							)
				self.assertEqual(lowercase       ,      []							)


	def     _a	(self							):
				A_	:						Optional[int]	=     """"""
				A_,    A_	:						List[str]	=     process_story(lowercase							)
				self.assertEqual(lowercase       ,      []							)
				self.assertEqual(lowercase       ,      []							)


	def     _a	(self							):
				A_	:						Optional[Any]	=     (
				    """It was the year of Our Lord one thousand seven hundred and """
				    """seventy-five\n\nSpiritual revelations were conceded to England """
				    """at that favoured period, as at this.\n@highlight\n\nIt was the best of times"""
				)
				A_,    A_	:						int	=     process_story(lowercase							)

				A_	:						Optional[Any]	=     [
				    """It was the year of Our Lord one thousand seven hundred and seventy-five.""",
				    """Spiritual revelations were conceded to England at that favoured period, as at this.""",
				]
				self.assertEqual(lowercase       ,      lowercase							)

				A_	:						Dict	=     ["""It was the best of times."""]
				self.assertEqual(lowercase       ,      lowercase							)


	def     _a	(self							):
				A_	:						Optional[int]	=     torch.tensor([1, 2, 3, 4]							)
				A_	:						Dict	=     torch.tensor([1, 1, 1, 1]							)
				np.testing.assert_array_equal(build_mask(lowercase       ,      0							).numpy()       ,      expected.numpy()							)


	def     _a	(self							):
				A_	:						str	=     torch.tensor([1, 2, 3, 4, 23, 23, 23]							)
				A_	:						str	=     torch.tensor([1, 1, 1, 1, 0, 0, 0]							)
				np.testing.assert_array_equal(build_mask(lowercase       ,      23							).numpy()       ,      expected.numpy()							)


	def     _a	(self							):
				A_	:						Any	=     torch.tensor([8, 2, 3, 4, 1, 1, 1]							)
				A_	:						List[str]	=     torch.tensor([1, 1, 1, 1, 0, 0, 0]							)
				np.testing.assert_array_equal(build_mask(lowercase       ,      1							).numpy()       ,      expected.numpy()							)


	def     _a	(self							):
				A_	:						List[Any]	=     101
				A_	:						List[Any]	=     torch.tensor([[1, 2, 3, 4, 5, 6], [1, 2, 3, 101, 5, 6], [1, 101, 3, 4, 101, 6]]							)
				A_	:						List[str]	=     torch.tensor([[1, 1, 1, 1, 1, 1], [1, 1, 1, 0, 0, 0], [1, 0, 0, 0, 1, 1]]							)

				A_	:						Dict	=     compute_token_type_ids(lowercase       ,      lowercase							)
				np.testing.assert_array_equal(lowercase       ,      lowercase							)