Create app.py

app.py

@@ -0,0 +1,186 @@
+import json
+import gradio as gr
+import openai
+import os
+import sys
+# import markdown
+
+my_api_key = ""    # 在这里输入你的 API 密钥
+initial_prompt = "You are a helpful assistant."
+
+if my_api_key == "":
+    my_api_key = os.environ.get('my_api_key')
+
+if my_api_key == "empty":
+    print("Please give a api key!")
+    sys.exit(1)
+
+def parse_text(text):
+    lines = text.split("\n")
+    for i,line in enumerate(lines):
+        if "```" in line:
+            items = line.split('`')
+            if items[-1]:
+                lines[i] = f'<pre><code class="{items[-1]}">'
+            else:
+                lines[i] = f'</code></pre>'
+        else:
+            if i>0:
+                line = line.replace("<", "&lt;")
+                line = line.replace(">", "&gt;")
+                lines[i] = '<br/>'+line.replace(" ", "&nbsp;")
+    return "".join(lines)
+
+def get_response(system, context, myKey, raw = False):
+    openai.api_key = myKey
+    response = openai.ChatCompletion.create(
+        model="gpt-3.5-turbo",
+        messages=[system, *context],
+    )
+    openai.api_key = ""
+    if raw:
+        return response
+    else:
+        statistics = f'本次对话Tokens用量【{response["usage"]["total_tokens"]} / 4096】 （ 提问+上文 {response["usage"]["prompt_tokens"]}，回答 {response["usage"]["completion_tokens"]} ）'
+        message = response["choices"][0]["message"]["content"]
+
+        message_with_stats = f'{message}\n\n================\n\n{statistics}'
+        # message_with_stats = markdown.markdown(message_with_stats)
+
+        return message, parse_text(message_with_stats)
+
+def predict(chatbot, input_sentence, system, context, myKey):
+    if len(input_sentence) == 0:
+        return []
+    context.append({"role": "user", "content": f"{input_sentence}"})
+
+    try:
+        message, message_with_stats = get_response(system, context, myKey)
+    except:
+        chatbot.append((input_sentence, "请求失败，请检查API-key是否正确。"))
+        return chatbot, context
+
+    context.append({"role": "assistant", "content": message})
+
+    chatbot.append((input_sentence, message_with_stats))
+
+    return chatbot, context
+
+def retry(chatbot, system, context, myKey):
+    if len(context) == 0:
+        return [], []
+    try:
+        message, message_with_stats = get_response(system, context[:-1], myKey)
+    except:
+        chatbot.append(("重试请求", "请求失败，请检查API-key是否正确。"))
+        return chatbot, context
+    context[-1] = {"role": "assistant", "content": message}
+
+    chatbot[-1] = (context[-2]["content"], message_with_stats)
+    return chatbot, context
+
+def delete_last_conversation(chatbot, context):
+    if len(context) == 0:
+        return [], []
+    chatbot = chatbot[:-1]
+    context = context[:-2]
+    return chatbot, context
+
+def reduce_token(chatbot, system, context, myKey):
+    context.append({"role": "user", "content": "请帮我总结一下上述对话的内容，实现减少tokens的同时，保证对话的质量。在总结中不要加入这一句话。"})
+
+    response = get_response(system, context, myKey, raw=True)
+
+    statistics = f'本次对话Tokens用量【{response["usage"]["completion_tokens"]+12+12+8} / 4096】'
+    optmz_str = parse_text( f'好的，我们之前聊了:{response["choices"][0]["message"]["content"]}\n\n================\n\n{statistics}' )
+    chatbot.append(("请帮我总结一下上述对话的内容，实现减少tokens的同时，保证对话的质量。", optmz_str))
+
+    context = []
+    context.append({"role": "user", "content": "我们之前聊了什么?"})
+    context.append({"role": "assistant", "content": f'我们之前聊了：{response["choices"][0]["message"]["content"]}'})
+    return chatbot, context
+
+def save_chat_history(filepath, system, context):
+    if filepath == "":
+        return
+    history = {"system": system, "context": context}
+    with open(f"{filepath}.json", "w") as f:
+        json.dump(history, f)
+
+def load_chat_history(fileobj):
+    with open(fileobj.name, "r") as f:
+        history = json.load(f)
+    context = history["context"]
+    chathistory = []
+    for i in range(0, len(context), 2):
+        chathistory.append((parse_text(context[i]["content"]), parse_text(context[i+1]["content"])))
+    return chathistory , history["system"], context, history["system"]["content"]
+
+def get_history_names():
+    with open("history.json", "r") as f:
+        history = json.load(f)
+    return list(history.keys())
+
+
+def reset_state():
+    return [], []
+
+def update_system(new_system_prompt):
+    return {"role": "system", "content": new_system_prompt}
+
+def set_apikey(new_api_key, myKey):
+    old_api_key = myKey
+    try:
+        get_response(update_system(initial_prompt), [{"role": "user", "content": "test"}], new_api_key)
+    except:
+        return "无效的api-key", myKey
+    encryption_str = "验证成功，api-key已做遮挡处理：" + new_api_key[:4] + "..." + new_api_key[-4:]
+    return encryption_str, new_api_key
+
+
+with gr.Blocks() as demo:
+    keyTxt = gr.Textbox(show_label=True, placeholder=f"在这里输入你的API-key...", value=my_api_key, label="API Key").style(container=True)
+    chatbot = gr.Chatbot().style(color_map=("#1D51EE", "#585A5B"))
+    context = gr.State([])
+    systemPrompt = gr.State(update_system(initial_prompt))
+    myKey = gr.State(my_api_key)
+    topic = gr.State("未命名对话历史记录")
+
+    with gr.Row():
+        with gr.Column(scale=12):
+            txt = gr.Textbox(show_label=False, placeholder="在这里输入").style(container=False)
+        with gr.Column(min_width=50, scale=1):
+            submitBtn = gr.Button("🚀", variant="primary")
+    with gr.Row():
+        emptyBtn = gr.Button("🧹 新的对话")
+        retryBtn = gr.Button("🔄 重新生成")
+        delLastBtn = gr.Button("🗑️ 删除上条对话")
+        reduceTokenBtn = gr.Button("♻️ 优化Tokens")
+    newSystemPrompt = gr.Textbox(show_label=True, placeholder=f"在这里输入新的System Prompt...", label="更改 System prompt").style(container=True)
+    systemPromptDisplay = gr.Textbox(show_label=True, value=initial_prompt, interactive=False, label="目前的 System prompt").style(container=True)
+    with gr.Accordion(label="保存/加载对话历史记录(在文本框中输入文件名，点击“保存对话”按钮，历史记录文件会被存储到本地)", open=False):
+        with gr.Column():
+            with gr.Row():
+                with gr.Column(scale=6):
+                    saveFileName = gr.Textbox(show_label=True, placeholder=f"在这里输入保存的文件名...", label="保存对话", value="对话历史记录").style(container=True)
+                with gr.Column(scale=1):
+                    saveBtn = gr.Button("💾 保存对话")
+                    uploadBtn = gr.UploadButton("📂 读取对话", file_count="single", file_types=["json"])
+
+    txt.submit(predict, [chatbot, txt, systemPrompt, context, myKey], [chatbot, context], show_progress=True)
+    txt.submit(lambda :"", None, txt)
+    submitBtn.click(predict, [chatbot, txt, systemPrompt, context, myKey], [chatbot, context], show_progress=True)
+    submitBtn.click(lambda :"", None, txt)
+    emptyBtn.click(reset_state, outputs=[chatbot, context])
+    newSystemPrompt.submit(update_system, newSystemPrompt, systemPrompt)
+    newSystemPrompt.submit(lambda x: x, newSystemPrompt, systemPromptDisplay)
+    newSystemPrompt.submit(lambda :"", None, newSystemPrompt)
+    retryBtn.click(retry, [chatbot, systemPrompt, context, myKey], [chatbot, context], show_progress=True)
+    delLastBtn.click(delete_last_conversation, [chatbot, context], [chatbot, context], show_progress=True)
+    reduceTokenBtn.click(reduce_token, [chatbot, systemPrompt, context, myKey], [chatbot, context], show_progress=True)
+    keyTxt.submit(set_apikey, [keyTxt, myKey], [keyTxt, myKey], show_progress=True)
+    uploadBtn.upload(load_chat_history, uploadBtn, [chatbot, systemPrompt, context, systemPromptDisplay], show_progress=True)
+    saveBtn.click(save_chat_history, [saveFileName, systemPrompt, context], None, show_progress=True)
+
+
+demo.launch()