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@ -14,29 +14,26 @@ import re |
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from Crypto.Cipher import AES |
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from mutagen import mp3, flac, id3 |
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# 文件名有效化函数,用于移除曲名中特殊字符从而成功创建文件 |
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def validate_title(title): |
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special_char = r"[\/\\\:\*\?\"\<\>\|]" # '/ \ : * ? " < > |' |
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new_title = re.sub(special_char, "_", title) # 替换为下划线 |
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return new_title |
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# 网易云音乐获取的文件若存在重名情况,一般在文件名后加"(X)",X为数字 |
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# |
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def validate_collision(filename): |
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start_num = 1 |
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ori_filename_no_ext = os.path.splitext(filename)[0] |
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ori_file_ext = os.path.splitext(filename)[-1] |
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while os.path.exists(filename): |
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filename = ori_filename_no_ext + '(' + str(start_num) + ')' + ori_file_ext |
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start_num = start_num + 1 |
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return filename |
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def validate_name(file_name): |
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# pattern = r"[\/\\\:\*\?\"\<\>\|]" |
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# file_name = re.sub(pattern, "_", file_name) |
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# return file_name |
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pattern = {u'\\': u'\', u'/': u'/', u':': u':', u'*': u'*', u'?': u'?', u'"': u'"', u'<': u'<', u'>': u'>', u'|': u'|'} |
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for character in pattern: |
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file_name = file_name.replace(character, pattern[character]) |
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return file_name |
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# def validate_collision(file_name): |
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# index = 1 |
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# while os.path.exists(file_name): |
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# file_name = '({})'.format(index).join(os.path.splitext(file_name)) |
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# index += 1 |
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# return file_name |
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def dump(file_path): |
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core_key = binascii.a2b_hex("687A4852416D736F356B496E62617857") |
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meta_key = binascii.a2b_hex("2331346C6A6B5F215C5D2630553C2728") |
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core_key = binascii.a2b_hex('687A4852416D736F356B496E62617857') |
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meta_key = binascii.a2b_hex('2331346C6A6B5F215C5D2630553C2728') |
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unpad = lambda s : s[0:-(s[-1] if type(s[-1]) == int else ord(s[-1]))] |
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f = open(file_path,'rb') |
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@ -89,10 +86,8 @@ def dump(file_path): |
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image_data = f.read(image_size) |
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# media data |
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# Need to remove special characters in meta_data['musicName'] to make a valid filename |
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file_name = validate_title(meta_data['artist'][0][0] + ' - ' + meta_data['musicName'] + '.' + meta_data['format']) |
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# Try if there already a file with same name, if so, modify current filename |
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file_name = validate_collision(file_name) |
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file_name = validate_name(','.join([artist[0] for artist in meta_data['artist']]) + ' - ' + meta_data['musicName'] + '.' + meta_data['format']) |
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# file_name = validate_collision(file_name) |
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music_path = os.path.join(os.path.split(file_path)[0],file_name) |
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m = open(music_path,'wb') |
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@ -144,8 +139,6 @@ if __name__ == '__main__': |
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files = sys.argv[1:] |
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else: |
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files = [file_name for file_name in os.listdir('.') if os.path.splitext(file_name)[-1] == '.ncm'] |
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# 逆序一下防止python将XXX(1)放在XXX之前,导致dump出文件不对应 |
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files.reverse() |
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if not files: |
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print('please input file path!') |
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