TypeError: Only byte strings can be passed to C code

[mac-naxin]

跑一下程序，遇到这样的问题，环境win7 python 3.6
PS D:\netease-cloud-music-dl> ncm -s 27256783
Traceback (most recent call last):
File "C:\ProgramData\Anaconda3\Scripts\ncm-script.py", line 11, in
load_entry_point('netease-cloud-music-dl==0.2.0', 'console_scripts', 'ncm')()
File "c:\programdata\anaconda3\lib\site-packages\netease_cloud_music_dl-0.2.0-py3.6.egg\ncm\start.py", line 66, in mai
n
File "c:\programdata\anaconda3\lib\site-packages\netease_cloud_music_dl-0.2.0-py3.6.egg\ncm\downloader.py", line 15, i
n download_song_by_id
File "c:\programdata\anaconda3\lib\site-packages\netease_cloud_music_dl-0.2.0-py3.6.egg\ncm\downloader.py", line 47, i
n download_song_by_song
File "c:\programdata\anaconda3\lib\site-packages\netease_cloud_music_dl-0.2.0-py3.6.egg\ncm\api.py", line 72, in get_s
ong_url
File "c:\programdata\anaconda3\lib\site-packages\netease_cloud_music_dl-0.2.0-py3.6.egg\ncm\api.py", line 33, in post_
request
File "c:\programdata\anaconda3\lib\site-packages\netease_cloud_music_dl-0.2.0-py3.6.egg\ncm\encrypt.py", line 15, in e
ncrypted_request
File "c:\programdata\anaconda3\lib\site-packages\netease_cloud_music_dl-0.2.0-py3.6.egg\ncm\encrypt.py", line 24, in a
es_encrypt
File "c:\programdata\anaconda3\lib\site-packages\Crypto\Cipher\AES.py", line 264, in new
return create_cipher(sys.modules[name], key, mode, *args, **kwargs)
File "c:\programdata\anaconda3\lib\site-packages\Crypto\Cipher_init.py", line 130, in _create_cipher
return modes[mode](factory, **kwargs)
File "c:\programdata\anaconda3\lib\site-packages\Crypto\Cipher_mode_cbc.py", line 232, in _create_cbc_cipher
cipher_state = factory._create_base_cipher(kwargs)
File "c:\programdata\anaconda3\lib\site-packages\Crypto\Cipher\AES.py", line 131, in create_base_cipher
expect_byte_string(key)
File "c:\programdata\anaconda3\lib\site-packages\Crypto\Util_raw_api.py", line 175, in expect_byte_string
raise TypeError("Only byte strings can be passed to C code")
TypeError: Only byte strings can be passed to C code
PS D:\wy\netease-cloud-music-dl> ncm -s http://music.163.com/song?id=27256783
Traceback (most recent call last):
File "C:\ProgramData\Anaconda3\Scripts\ncm-script.py", line 11, in
load_entry_point('netease-cloud-music-dl==0.2.0', 'console_scripts', 'ncm')()
File "c:\programdata\anaconda3\lib\site-packages\netease_cloud_music_dl-0.2.0-py3.6.egg\ncm\start.py", line 66, in mai
n
File "c:\programdata\anaconda3\lib\site-packages\netease_cloud_music_dl-0.2.0-py3.6.egg\ncm\downloader.py", line 15, i
n download_song_by_id
File "c:\programdata\anaconda3\lib\site-packages\netease_cloud_music_dl-0.2.0-py3.6.egg\ncm\downloader.py", line 47, i
n download_song_by_song
File "c:\programdata\anaconda3\lib\site-packages\netease_cloud_music_dl-0.2.0-py3.6.egg\ncm\api.py", line 72, in get_s
ong_url
File "c:\programdata\anaconda3\lib\site-packages\netease_cloud_music_dl-0.2.0-py3.6.egg\ncm\api.py", line 33, in post
request
File "c:\programdata\anaconda3\lib\site-packages\netease_cloud_music_dl-0.2.0-py3.6.egg\ncm\encrypt.py", line 15, in e
ncrypted_request
File "c:\programdata\anaconda3\lib\site-packages\netease_cloud_music_dl-0.2.0-py3.6.egg\ncm\encrypt.py", line 24, in a
es_encrypt
File "c:\programdata\anaconda3\lib\site-packages\Crypto\Cipher\AES.py", line 264, in new
return create_cipher(sys.modules[name], key, mode, *args, **kwargs)
File "c:\programdata\anaconda3\lib\site-packages\Crypto\Cipher_init.py", line 130, in _create_cipher
return modes[mode](factory, **kwargs)
File "c:\programdata\anaconda3\lib\site-packages\Crypto\Cipher_mode_cbc.py", line 232, in _create_cbc_cipher
cipher_state = factory._create_base_cipher(kwargs)
File "c:\programdata\anaconda3\lib\site-packages\Crypto\Cipher\AES.py", line 131, in _create_base_cipher
expect_byte_string(key)
File "c:\programdata\anaconda3\lib\site-packages\Crypto\Util_raw_api.py", line 175, in expect_byte_string
raise TypeError("Only byte strings can be passed to C code")
TypeError: Only byte strings can be passed to C code

[codezjx]

@mac-naxin Hi，大概查了一下这个问题，你本地是使用pycryptodome这个库代替了pycrypto么？在pycryptodome项目也有人报了这个问题，还是open的，估计是没兼容好pycrypto：
Legrandin/pycryptodome#35

建议先卸载pycryptodome然后重新安装指定版本的pycrypto即可