get-emoji.py

import requests
from io import StringIO

response = requests.get('https://unicode.org/Public/emoji/13.0/emoji-sequences.txt')

with open('emoji.txt', 'w') as fout:
    with StringIO(response.content.decode('utf8')) as fin:
      for line in fin:
          if line.strip() and not line.startswith('#'):
              hexa = line.split(';')[0].split('..')  
              if len(hexa) == 1: # One codepoint for this emoji
                  # It's possible that one codepoint has >=1 hexadecimal.
                  ch = ''.join([chr(int(h, 16)) for h in hexa[0].strip().split(' ')])
                  print(ch, end='\n', file=fout)
              else: # Multiple codepoint for this emoji
                  start, end = hexa
                  for ch in range(int(start, 16), int(end, 16)+1):
                      # Assume that only one hexadecimal per codepoint.
                      print(ch, end='\n', file=fout)