# coding=utf-8 # author: xusong # time: 2022/8/23 16:06 """ plots table ## related demo - [](http://text-processing.com/demo/tokenize/) - [gpt-tokenizer](https://gpt-tokenizer.dev/) - [llama-tokenizer-js](https://belladoreai.github.io/llama-tokenizer-js/example-demo/build/) - [](https://huggingface.co/spaces/Xenova/the-tokenizer-playground) ## 可视化 [ The, 2, QUICK, Brown, Foxes, jumped, over, the, lazy, dog's, bone ] """ import json import pandas as pd import gradio as gr from vocab import all_tokenizers, load_tokener # 显示空格：https://blog.csdn.net/liuxiao723846/article/details/118994673 # 隐藏legend： css = """ .space-show {white-space: pre-wrap;} .cell-wrap {white-space: pre-wrap;} .category-legend {display: none !important} .statistics textarea {min-width: min(50px,100%) !important; font-size: 20px !important; font-weight: 600 !important; text-align: center !important; border: none !important;} .statistics label {text-align: center !important;} """ example_text = """Replace this text in the input field to see how tokenization works 华为智能音箱发布：华为Sound X""" # llama chatglm_6b gpt_nexo_20b baichuan baichuan_7b examples = [ ["空格测试： 2个空格 8个空格", "llama", "chatglm_6b"], # chatglm 有blank_n, ["标点测试：，。！？；", "baichuan_7b", "llama"], ["符号测试：🦙", "baichuan_7b", "llama"], ["中文测试：🦙", "baichuan_7b", "llama"], ["数字测试：(10086 + 98) = 100184", "baichuan_7b", "llama"], ] def tokenize(text, tokenizer_type, color_num=5): """ TODO: cache tokenizer """ print(text, tokenizer_type) pos_tokens = [] tokenizer = load_tokener(tokenizer_type) encoding = tokenizer.encode(text) table = [] for idx, token_id in enumerate(encoding): decode_text = tokenizer.decode([token_id]) # 特殊字符解码后会统一变成 �，对应 "\ufffd" pos_tokens.extend([(decode_text, str(idx % color_num))]) # token "Byte": # 这是 utf-8编码吧？ token = tokenizer.convert_ids_to_tokens([token_id])[0] if isinstance(token, bytes): try: token_str = token.decode("utf-8") except: token_str = token.decode("utf-8", errors="ignore") print("decode_error", token, token_str) token_bytes = token json_dumps = json.dumps(token_str) elif isinstance(token, str): token_str = token token_bytes = bytes(token_str, "utf-8") json_dumps = json.dumps(token_str) else: return table.append( {"TokenID": token_id, "⭐Token": token_str, # utf-8解码后的字符串，为什么有些是 <0xE7>，表示什么？比如llama "Text": decode_text, # # "Bytes": token_bytes, # bytes类型在gradio前端页面被解码成字符串，比如 b'\xe4\xb8\xad' 仍然显示成 "中"。因此 str(token_bytes) "Bytes": str(token_bytes), # "Unicode": json_dumps # unicode, 如果是ascii码，就直接显示。如果不是ascii码，就显示unicode } ) table_df = pd.DataFrame(table) print(table) # print(table_df) return pos_tokens, table_df, len(encoding) def tokenize_pair(text, tokenizer_type_1, tokenizer_type_2): pos_tokens_1, table_df_1, token_size_1 = tokenize(text, tokenizer_type_1) pos_tokens_2, table_df_2, token_size_2 = tokenize(text, tokenizer_type_2) return pos_tokens_1, table_df_1, token_size_1, pos_tokens_2, table_df_2, token_size_2 def get_vocab_size(tokenizer_type): tokenizer = load_tokener(tokenizer_type) return tokenizer.vocab_size def test_coding(): bytes1 = b'\xe4\xb8\xad' print(bytes1) # b'\xe4\xb8\xad' with gr.Blocks(css=css) as demo: gr.HTML("""

Tokenizer Arena ⚔️

""") # links: https://www.coderstool.com/utf8-encoding-decoding # 功能：输入文本，进行分词 # 分词器：常见的分词器有集中， # 背景：方便分词、看词粒度、对比 # # Byte: 表示分词 gr.Markdown("## Input Text") user_input = gr.Textbox( value=example_text, label="Input Text", lines=5, show_label=False, ) # placeholder="Enter sentence here..." # submitBtn = gr.Button("生成回复", variant="primary") gr.Markdown("## Tokenization") with gr.Row(): with gr.Column(scale=6): with gr.Group(): tokenizer_type_1 = gr.Dropdown( all_tokenizers, value="llama", label="Tokenizer 1", ) with gr.Group(): """
69
Characters
""" with gr.Row(): stats_vocab_size_1 = gr.TextArea( label="VocabSize", lines=1, elem_classes="statistics" ) stats_token_size_1 = gr.TextArea( label="Tokens", lines=1, elem_classes="statistics" ) stats_3 = gr.TextArea( label="Compress Rate", lines=1, elem_classes="statistics" ) # https://www.onlinewebfonts.com/icon/418591 gr.Image("images/VS.svg", scale=1, show_label=False, show_download_button=False, container=False) # height=10, with gr.Column(scale=6): with gr.Group(): tokenizer_type_2 = gr.Dropdown( all_tokenizers, value="baichuan_7b", label="Tokenizer 2", ) with gr.Group(): with gr.Row(): stats_vocab_size_2 = gr.TextArea( label="VocabSize", lines=1, elem_classes="statistics" ) stats_token_size_2 = gr.TextArea( label="Tokens", lines=1, elem_classes="statistics" ) stats_6 = gr.TextArea( label="Compress Rate", lines=1, elem_classes="statistics" ) # TODO: 图 表 压缩率 with gr.Row(): with gr.Column(): output_text_1 = gr.Highlightedtext( label="Tokens 1", show_legend=True, elem_classes="space-show" ) with gr.Column(): output_text_2 = gr.Highlightedtext( label="Tokens 2", show_legend=True, elem_classes="space-show" ) with gr.Row(): output_table_1 = gr.Dataframe( headers=["TokenID", "Byte", "Text"], datatype=["str", "str", "str"], # elem_classes="space-show", # 给整个Dataframe加这个css不起作用，因此直接修改cell-wrap ) output_table_2 = gr.Dataframe( headers=["TokenID", "Token", "Text"], datatype=["str", "str", "str"], ) tokenizer_type_1.change(tokenize, [user_input, tokenizer_type_1], [output_text_1, output_table_1, stats_token_size_1]) tokenizer_type_1.change(get_vocab_size, [tokenizer_type_1], [stats_vocab_size_1]) user_input.change(tokenize_pair, [user_input, tokenizer_type_1, tokenizer_type_2], [output_text_1, output_table_1, stats_token_size_1, output_text_2, output_table_2, stats_token_size_2]) tokenizer_type_2.change(tokenize, [user_input, tokenizer_type_2], [output_text_2, output_table_2, stats_token_size_2]) tokenizer_type_2.change(get_vocab_size, [tokenizer_type_2], [stats_vocab_size_2]) gr.Examples( examples, [user_input, tokenizer_type_1, tokenizer_type_2], [output_text_1, output_table_1, stats_token_size_1, output_text_2, output_table_2, stats_token_size_2], tokenize_pair, cache_examples=True, ) # submitBtn.click(tokenize, [user_input, tokenizer_type], outputs, # show_progress=True) # examples=[ # ["What a beautiful morning for a walk!"], # ["It was the best of times, it was the worst of times."], # ["多个空格 It ss was the best of times, it was the worst of times."], # ] if __name__ == "__main__": demo.launch()