188 lines
		
	
	
		
			6.8 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			188 lines
		
	
	
		
			6.8 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| from __future__ import unicode_literals
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| 
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| import io
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| import json
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| import traceback
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| import hashlib
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| import os
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| import subprocess
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| import sys
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| from zipimport import zipimporter
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| 
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| from .utils import encode_compat_str
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| 
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| from .version import __version__
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| 
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| 
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| def rsa_verify(message, signature, key):
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|     from hashlib import sha256
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|     assert isinstance(message, bytes)
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|     byte_size = (len(bin(key[0])) - 2 + 8 - 1) // 8
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|     signature = ('%x' % pow(int(signature, 16), key[1], key[0])).encode()
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|     signature = (byte_size * 2 - len(signature)) * b'0' + signature
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|     asn1 = b'3031300d060960864801650304020105000420'
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|     asn1 += sha256(message).hexdigest().encode()
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|     if byte_size < len(asn1) // 2 + 11:
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|         return False
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|     expected = b'0001' + (byte_size - len(asn1) // 2 - 3) * b'ff' + b'00' + asn1
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|     return expected == signature
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| 
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| 
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| def update_self(to_screen, verbose, opener):
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|     """Update the program file with the latest version from the repository"""
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| 
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|     UPDATE_URL = 'https://rg3.github.io/youtube-dl/update/'
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|     VERSION_URL = UPDATE_URL + 'LATEST_VERSION'
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|     JSON_URL = UPDATE_URL + 'versions.json'
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|     UPDATES_RSA_KEY = (0x9d60ee4d8f805312fdb15a62f87b95bd66177b91df176765d13514a0f1754bcd2057295c5b6f1d35daa6742c3ffc9a82d3e118861c207995a8031e151d863c9927e304576bc80692bc8e094896fcf11b66f3e29e04e3a71e9a11558558acea1840aec37fc396fb6b65dc81a1c4144e03bd1c011de62e3f1357b327d08426fe93, 65537)
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| 
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|     if not isinstance(globals().get('__loader__'), zipimporter) and not hasattr(sys, 'frozen'):
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|         to_screen('It looks like you installed youtube-dl with a package manager, pip, setup.py or a tarball. Please use that to update.')
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|         return
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| 
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|     # Check if there is a new version
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|     try:
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|         newversion = opener.open(VERSION_URL).read().decode('utf-8').strip()
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|     except Exception:
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|         if verbose:
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|             to_screen(encode_compat_str(traceback.format_exc()))
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|         to_screen('ERROR: can\'t find the current version. Please try again later.')
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|         return
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|     if newversion == __version__:
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|         to_screen('youtube-dl is up-to-date (' + __version__ + ')')
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|         return
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| 
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|     # Download and check versions info
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|     try:
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|         versions_info = opener.open(JSON_URL).read().decode('utf-8')
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|         versions_info = json.loads(versions_info)
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|     except Exception:
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|         if verbose:
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|             to_screen(encode_compat_str(traceback.format_exc()))
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|         to_screen('ERROR: can\'t obtain versions info. Please try again later.')
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|         return
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|     if 'signature' not in versions_info:
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|         to_screen('ERROR: the versions file is not signed or corrupted. Aborting.')
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|         return
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|     signature = versions_info['signature']
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|     del versions_info['signature']
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|     if not rsa_verify(json.dumps(versions_info, sort_keys=True).encode('utf-8'), signature, UPDATES_RSA_KEY):
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|         to_screen('ERROR: the versions file signature is invalid. Aborting.')
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|         return
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| 
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|     version_id = versions_info['latest']
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| 
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|     def version_tuple(version_str):
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|         return tuple(map(int, version_str.split('.')))
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|     if version_tuple(__version__) >= version_tuple(version_id):
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|         to_screen('youtube-dl is up to date (%s)' % __version__)
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|         return
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| 
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|     to_screen('Updating to version ' + version_id + ' ...')
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|     version = versions_info['versions'][version_id]
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| 
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|     print_notes(to_screen, versions_info['versions'])
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| 
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|     # sys.executable is set to the full pathname of the exe-file for py2exe
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|     filename = sys.executable if hasattr(sys, 'frozen') else sys.argv[0]
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| 
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|     if not os.access(filename, os.W_OK):
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|         to_screen('ERROR: no write permissions on %s' % filename)
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|         return
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| 
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|     # Py2EXE
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|     if hasattr(sys, 'frozen'):
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|         exe = filename
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|         directory = os.path.dirname(exe)
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|         if not os.access(directory, os.W_OK):
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|             to_screen('ERROR: no write permissions on %s' % directory)
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|             return
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| 
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|         try:
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|             urlh = opener.open(version['exe'][0])
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|             newcontent = urlh.read()
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|             urlh.close()
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|         except (IOError, OSError):
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|             if verbose:
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|                 to_screen(encode_compat_str(traceback.format_exc()))
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|             to_screen('ERROR: unable to download latest version')
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|             return
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| 
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|         newcontent_hash = hashlib.sha256(newcontent).hexdigest()
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|         if newcontent_hash != version['exe'][1]:
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|             to_screen('ERROR: the downloaded file hash does not match. Aborting.')
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|             return
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| 
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|         try:
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|             with open(exe + '.new', 'wb') as outf:
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|                 outf.write(newcontent)
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|         except (IOError, OSError):
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|             if verbose:
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|                 to_screen(encode_compat_str(traceback.format_exc()))
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|             to_screen('ERROR: unable to write the new version')
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|             return
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| 
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|         try:
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|             bat = os.path.join(directory, 'youtube-dl-updater.bat')
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|             with io.open(bat, 'w') as batfile:
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|                 batfile.write('''
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| @echo off
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| echo Waiting for file handle to be closed ...
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| ping 127.0.0.1 -n 5 -w 1000 > NUL
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| move /Y "%s.new" "%s" > NUL
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| echo Updated youtube-dl to version %s.
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| start /b "" cmd /c del "%%~f0"&exit /b"
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|                 \n''' % (exe, exe, version_id))
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| 
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|             subprocess.Popen([bat])  # Continues to run in the background
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|             return  # Do not show premature success messages
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|         except (IOError, OSError):
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|             if verbose:
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|                 to_screen(encode_compat_str(traceback.format_exc()))
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|             to_screen('ERROR: unable to overwrite current version')
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|             return
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| 
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|     # Zip unix package
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|     elif isinstance(globals().get('__loader__'), zipimporter):
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|         try:
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|             urlh = opener.open(version['bin'][0])
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|             newcontent = urlh.read()
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|             urlh.close()
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|         except (IOError, OSError):
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|             if verbose:
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|                 to_screen(encode_compat_str(traceback.format_exc()))
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|             to_screen('ERROR: unable to download latest version')
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|             return
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| 
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|         newcontent_hash = hashlib.sha256(newcontent).hexdigest()
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|         if newcontent_hash != version['bin'][1]:
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|             to_screen('ERROR: the downloaded file hash does not match. Aborting.')
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|             return
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| 
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|         try:
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|             with open(filename, 'wb') as outf:
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|                 outf.write(newcontent)
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|         except (IOError, OSError):
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|             if verbose:
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|                 to_screen(encode_compat_str(traceback.format_exc()))
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|             to_screen('ERROR: unable to overwrite current version')
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|             return
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| 
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|     to_screen('Updated youtube-dl. Restart youtube-dl to use the new version.')
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| 
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| 
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| def get_notes(versions, fromVersion):
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|     notes = []
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|     for v, vdata in sorted(versions.items()):
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|         if v > fromVersion:
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|             notes.extend(vdata.get('notes', []))
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|     return notes
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| 
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| 
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| def print_notes(to_screen, versions, fromVersion=__version__):
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|     notes = get_notes(versions, fromVersion)
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|     if notes:
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|         to_screen('PLEASE NOTE:')
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|         for note in notes:
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|             to_screen(note)
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