






import os
import sys

from . import rsa_key_generator as rkg

A_	:	Dict				=				128
A_	:	int				=				256

def 						snake_case      (UpperCAmelCase__			,					UpperCAmelCase__ = DEFAULT_BLOCK_SIZE						) ->       list[int]:
  UpperCamelCase_:      Optional[int]					   =       message.encode('ascii'						)

  UpperCamelCase_:      Optional[Any]					   =       []
  for block_start in range(0			,					len(UpperCAmelCase__						)			,					UpperCAmelCase__						):
    UpperCamelCase_:      Any					   =       0
    for i in range(UpperCAmelCase__			,					min(block_start + block_size			,					len(UpperCAmelCase__						)						)						):
      block_int += message_bytes[i] * (BYTE_SIZE ** (i % block_size))
    block_ints.append(UpperCAmelCase__						)
  return block_ints

def 						snake_case      (UpperCAmelCase__			,					UpperCAmelCase__			,					UpperCAmelCase__ = DEFAULT_BLOCK_SIZE						) ->       str:
  UpperCamelCase_:      list[str]					   =       []
  for block_int in block_ints:
    UpperCamelCase_:      list[str]					   =       []
    for i in range(block_size - 1			,					-1			,					-1						):
      if len(UpperCAmelCase__						) + i < message_length:
        UpperCamelCase_:      Optional[int]					   =       block_int // (BYTE_SIZE**i)
        UpperCamelCase_:      Union[str, Any]					   =       block_int % (BYTE_SIZE**i)
        block_message.insert(0			,					chr(UpperCAmelCase__						)						)
    message.extend(UpperCAmelCase__						)
  return "".join(UpperCAmelCase__						)

def 						snake_case      (UpperCAmelCase__			,					UpperCAmelCase__			,					UpperCAmelCase__ = DEFAULT_BLOCK_SIZE						) ->       list[int]:
  UpperCamelCase_:      List[Any]					   =       []
  UpperCamelCase_   ,UpperCamelCase_:      List[str]					   =       key

  for block in get_blocks_from_text(UpperCAmelCase__			,					UpperCAmelCase__						):
    encrypted_blocks.append(pow(UpperCAmelCase__			,					UpperCAmelCase__			,					UpperCAmelCase__						)						)
  return encrypted_blocks

def 						snake_case      (UpperCAmelCase__			,					UpperCAmelCase__			,					UpperCAmelCase__			,					UpperCAmelCase__ = DEFAULT_BLOCK_SIZE			,					) ->       str:
  UpperCamelCase_:      int					   =       []
  UpperCamelCase_   ,UpperCamelCase_:      Optional[int]					   =       key
  for block in encrypted_blocks:
    decrypted_blocks.append(pow(UpperCAmelCase__			,					UpperCAmelCase__			,					UpperCAmelCase__						)						)
  return get_text_from_blocks(UpperCAmelCase__			,					UpperCAmelCase__			,					UpperCAmelCase__						)

def 						snake_case      (UpperCAmelCase__						) ->       tuple[int, int, int]:
  with open(UpperCAmelCase__						) as fo:
    UpperCamelCase_:      Optional[Any]					   =       fo.read()
  UpperCamelCase_   ,UpperCamelCase_   ,UpperCamelCase_:      List[str]					   =       content.split(','						)
  return (int(UpperCAmelCase__						), int(UpperCAmelCase__						), int(UpperCAmelCase__						))

def 						snake_case      (UpperCAmelCase__			,					UpperCAmelCase__			,					UpperCAmelCase__			,					UpperCAmelCase__ = DEFAULT_BLOCK_SIZE			,					) ->       str:
  UpperCamelCase_   ,UpperCamelCase_   ,UpperCamelCase_:      List[Any]					   =       read_key_file(UpperCAmelCase__						)
  if key_size < block_size * 8:
    sys.exit(
        'ERROR: Block size is {} bits and key size is {} bits. The RSA cipher '
        'requires the block size to be equal to or greater than the key size. '
        'Either decrease the block size or use different keys.'.format(
            block_size * 8			,					UpperCAmelCase__						)						)

  UpperCamelCase_:      List[Any]					   =       [str(UpperCAmelCase__						) for i in encrypt_message(UpperCAmelCase__			,					(n, e)			,					UpperCAmelCase__						)]

  UpperCamelCase_:      int					   =       ','.join(UpperCAmelCase__						)
  UpperCamelCase_:      Union[str, Any]					   =       F'''{len(UpperCAmelCase__						)}_{block_size}_{encrypted_content}'''
  with open(UpperCAmelCase__			,					'w'						) as fo:
    fo.write(UpperCAmelCase__						)
  return encrypted_content

def 						snake_case      (UpperCAmelCase__			,					UpperCAmelCase__						) ->       str:
  UpperCamelCase_   ,UpperCamelCase_   ,UpperCamelCase_:      Tuple					   =       read_key_file(UpperCAmelCase__						)
  with open(UpperCAmelCase__						) as fo:
    UpperCamelCase_:      Optional[Any]					   =       fo.read()
  UpperCamelCase_   ,UpperCamelCase_   ,UpperCamelCase_:      Optional[Any]					   =       content.split('_'						)
  UpperCamelCase_:      Any					   =       int(UpperCAmelCase__						)
  UpperCamelCase_:      List[Any]					   =       int(UpperCAmelCase__						)

  if key_size < block_size * 8:
    sys.exit(
        'ERROR: Block size is {} bits and key size is {} bits. The RSA cipher '
        'requires the block size to be equal to or greater than the key size. '
        'Did you specify the correct key file and encrypted file?'.format(
            block_size * 8			,					UpperCAmelCase__						)						)

  UpperCamelCase_:      int					   =       []
  for block in encrypted_message.split(','						):
    encrypted_blocks.append(int(UpperCAmelCase__						)						)

  return decrypt_message(UpperCAmelCase__			,					UpperCAmelCase__			,					(n, d)			,					UpperCAmelCase__						)

def 						snake_case      () ->       None:
  UpperCamelCase_:      Optional[Any]					   =       'encrypted_file.txt'
  UpperCamelCase_:      Any					   =       input(R'Encrypt\Decrypt [e\d]: '						)

  if response.lower().startswith('e'						):
    UpperCamelCase_:      str					   =       'encrypt'
  elif response.lower().startswith('d'						):
    UpperCamelCase_:      Any					   =       'decrypt'

  if mode == "encrypt":
    if not os.path.exists('rsa_pubkey.txt'						):
      rkg.make_key_files('rsa'			,					1_0_2_4						)

    UpperCamelCase_:      Dict					   =       input('\nEnter message: '						)
    UpperCamelCase_:      Optional[int]					   =       'rsa_pubkey.txt'
    print(F'''Encrypting and writing to {filename}...'''						)
    UpperCamelCase_:      Optional[int]					   =       encrypt_and_write_to_file(UpperCAmelCase__			,					UpperCAmelCase__			,					UpperCAmelCase__						)

    print('\nEncrypted text:'						)
    print(UpperCAmelCase__						)

  elif mode == "decrypt":
    UpperCamelCase_:      int					   =       'rsa_privkey.txt'
    print(F'''Reading from {filename} and decrypting...'''						)
    UpperCamelCase_:      Tuple					   =       read_from_file_and_decrypt(UpperCAmelCase__			,					UpperCAmelCase__						)
    print('writing decryption to rsa_decryption.txt...'						)
    with open('rsa_decryption.txt'			,					'w'						) as dec:
      dec.write(UpperCAmelCase__						)

    print('\nDecryption:'						)
    print(UpperCAmelCase__						)


if __name__ == "__main__":
   main()







from datetime import date

import requests

A_	:	Any				=				'https://api.carbonintensity.org.uk/intensity'

def 						snake_case      () ->       str:
  UpperCamelCase_:      Any					   =       requests.get(UpperCAmelCase__						).json()['data'][0]
  return last_half_hour["intensity"]["actual"]

def 						snake_case      (UpperCAmelCase__			,					UpperCAmelCase__						) ->       list:
  return requests.get(F'''{BASE_URL}/{start}/{end}'''						).json()["data"]


if __name__ == "__main__":
   for entry in fetch_from_to(start=date(2020, 10, 1), end=date(2020, 10, 3)):
      print('from {from} to {to}: {intensity[actual]}'.format(**entry))
   print(F'''{fetch_last_half_hour() = }''')