Merge branch 'master' into frontier

README.md

@@ -1,9 +1,9 @@
 > [!IMPORTANT]
+> `master主分支`最新动态(2025.1.28): 增加字体自定义功能  
 > `frontier开发分支`最新动态(2024.12.9): 更新对话时间线功能，优化xelatex论文翻译  
 > `wiki文档`最新动态(2024.12.5): 更新ollama接入指南  
-> `master主分支`最新动态(2024.12.19): 更新3.91版本，更新release页一键安装脚本  
 >
-> 2024.10.10: 突发停电，紧急恢复了提供[whl包](https://drive.google.com/file/d/19U_hsLoMrjOlQSzYS3pzWX9fTzyusArP/view?usp=sharing)的文件服务器  
+> 2024.10.10: 突发停电，紧急恢复了提供[whl包](https://drive.google.com/drive/folders/14kR-3V-lIbvGxri4AHc8TpiA1fqsw7SK?usp=sharing)的文件服务器  
 > 2024.10.8: 版本3.90加入对llama-index的初步支持，版本3.80加入插件二级菜单功能（详见wiki）  
 > 2024.5.1: 加入Doc2x翻译PDF论文的功能，[查看详情](https://github.com/binary-husky/gpt_academic/wiki/Doc2x)  
 > 2024.3.11: 全力支持Qwen、GLM、DeepseekCoder等中文大语言模型！ SoVits语音克隆模块，[查看详情](https://www.bilibili.com/video/BV1Rp421S7tF/) 

config.py

@@ -85,6 +85,30 @@ DEFAULT_WORKER_NUM = 3
 THEME = "Default"
 AVAIL_THEMES = ["Default", "Chuanhu-Small-and-Beautiful", "High-Contrast", "Gstaff/Xkcd", "NoCrypt/Miku"]
 
+FONT = "Theme-Default-Font"
+AVAIL_FONTS = [
+    "默认值(Theme-Default-Font)", 
+    "宋体(SimSun)",  
+    "黑体(SimHei)",  
+    "楷体(KaiTi)",  
+    "仿宋(FangSong)",  
+    "华文细黑(STHeiti Light)",
+    "华文楷体(STKaiti)",  
+    "华文仿宋(STFangsong)",  
+    "华文宋体(STSong)",  
+    "华文中宋(STZhongsong)",  
+    "华文新魏(STXinwei)",  
+    "华文隶书(STLiti)", 
+    "思源宋体(Source Han Serif CN VF@https://chinese-fonts-cdn.deno.dev/packages/syst/dist/SourceHanSerifCN/result.css)",
+    "月星楷(Moon Stars Kai HW@https://chinese-fonts-cdn.deno.dev/packages/moon-stars-kai/dist/MoonStarsKaiHW-Regular/result.css)",
+    "珠圆体(MaokenZhuyuanTi@https://chinese-fonts-cdn.deno.dev/packages/mkzyt/dist/猫啃珠圆体/result.css)",
+    "平方萌萌哒(PING FANG MENG MNEG DA@https://chinese-fonts-cdn.deno.dev/packages/pfmmd/dist/平方萌萌哒/result.css)",
+    "Helvetica",
+    "ui-sans-serif",
+    "sans-serif",
+    "system-ui"
+]
+
 
 # 默认的系统提示词（system prompt）
 INIT_SYS_PROMPT = "Serve me as a writing and programming assistant."

crazy_functions/latex_fns/latex_actions.py

@@ -373,7 +373,7 @@ def 编译Latex(chatbot, history, main_file_original, main_file_modified, work_f
     # 根据编译器类型返回编译命令
     def get_compile_command(compiler, filename):
         compile_command = f'{compiler} -interaction=batchmode -file-line-error {filename}.tex'
-        logger.info('Latex 编译指令: ', compile_command)
+        logger.info('Latex 编译指令: ' + compile_command)
         return compile_command
 
     # 确定使用的编译器

docs/GithubAction+AllCapacity

@@ -5,6 +5,9 @@ FROM fuqingxu/11.3.1-runtime-ubuntu20.04-with-texlive:latest
 
 # edge-tts需要的依赖，某些pip包所需的依赖
 RUN apt update && apt install ffmpeg build-essential -y
+RUN apt-get install -y fontconfig
+RUN ln -s /usr/local/texlive/2023/texmf-dist/fonts/truetype /usr/share/fonts/truetype/texlive
+RUN fc-cache -fv
 RUN apt-get clean
 
 # use python3 as the system default python

main.py

@@ -49,7 +49,7 @@ def main():
     # 读取配置
     proxies, WEB_PORT, LLM_MODEL, CONCURRENT_COUNT, AUTHENTICATION = get_conf('proxies', 'WEB_PORT', 'LLM_MODEL', 'CONCURRENT_COUNT', 'AUTHENTICATION')
     CHATBOT_HEIGHT, LAYOUT, AVAIL_LLM_MODELS, AUTO_CLEAR_TXT = get_conf('CHATBOT_HEIGHT', 'LAYOUT', 'AVAIL_LLM_MODELS', 'AUTO_CLEAR_TXT')
-    ENABLE_AUDIO, AUTO_CLEAR_TXT, PATH_LOGGING, AVAIL_THEMES, THEME, ADD_WAIFU = get_conf('ENABLE_AUDIO', 'AUTO_CLEAR_TXT', 'PATH_LOGGING', 'AVAIL_THEMES', 'THEME', 'ADD_WAIFU')
+    ENABLE_AUDIO, AUTO_CLEAR_TXT, AVAIL_FONTS, AVAIL_THEMES, THEME, ADD_WAIFU = get_conf('ENABLE_AUDIO', 'AUTO_CLEAR_TXT', 'AVAIL_FONTS', 'AVAIL_THEMES', 'THEME', 'ADD_WAIFU')
     NUM_CUSTOM_BASIC_BTN, SSL_KEYFILE, SSL_CERTFILE = get_conf('NUM_CUSTOM_BASIC_BTN', 'SSL_KEYFILE', 'SSL_CERTFILE')
     DARK_MODE, INIT_SYS_PROMPT, ADD_WAIFU, TTS_TYPE = get_conf('DARK_MODE', 'INIT_SYS_PROMPT', 'ADD_WAIFU', 'TTS_TYPE')
     if LLM_MODEL not in AVAIL_LLM_MODELS: AVAIL_LLM_MODELS += [LLM_MODEL]
@@ -178,7 +178,7 @@ def main():
         # 左上角工具栏定义
         from themes.gui_toolbar import define_gui_toolbar
         checkboxes, checkboxes_2, max_length_sl, theme_dropdown, system_prompt, file_upload_2, md_dropdown, top_p, temperature = \
-            define_gui_toolbar(AVAIL_LLM_MODELS, LLM_MODEL, INIT_SYS_PROMPT, THEME, AVAIL_THEMES, ADD_WAIFU, help_menu_description, js_code_for_toggle_darkmode)
+            define_gui_toolbar(AVAIL_LLM_MODELS, LLM_MODEL, INIT_SYS_PROMPT, THEME, AVAIL_THEMES, AVAIL_FONTS, ADD_WAIFU, help_menu_description, js_code_for_toggle_darkmode)
 
         # 浮动菜单定义
         from themes.gui_floating_menu import define_gui_floating_menu
@@ -228,9 +228,6 @@ def main():
         cancel_handles.append(submit_btn.click(**predict_args))
         resetBtn.click(None, None, [chatbot, history, status], _js= """clear_conversation""")   # 先在前端快速清除chatbot&status
         resetBtn2.click(None, None, [chatbot, history, status], _js="""clear_conversation""")  # 先在前端快速清除chatbot&status
-        # reset_server_side_args = (lambda history: ([], [], "已重置"), [history], [chatbot, history, status])
-        # resetBtn.click(*reset_server_side_args)    # 再在后端清除history
-        # resetBtn2.click(*reset_server_side_args)   # 再在后端清除history
         clearBtn.click(None, None, [txt, txt2], _js=js_code_clear)
         clearBtn2.click(None, None, [txt, txt2], _js=js_code_clear)
         if AUTO_CLEAR_TXT:

requirements.txt

@@ -13,7 +13,7 @@ scipdf_parser>=0.52
 spacy==3.7.4
 anthropic>=0.18.1
 python-markdown-math
-pymdown-extensions
+pymdown-extensions>=10.14
 websocket-client
 beautifulsoup4
 prompt_toolkit

shared_utils/advanced_markdown_format.py

@@ -2,6 +2,7 @@ import markdown
 import re
 import os
 import math
+import html
 
 from loguru import logger
 from textwrap import dedent
@@ -384,6 +385,24 @@ def markdown_convertion(txt):
         )
 
 
+def code_block_title_replace_format(match):
+    lang = match.group(1)
+    filename = match.group(2)
+    return f"```{lang} {{title=\"{filename}\"}}\n"
+
+
+def get_last_backticks_indent(text):
+    # 从后向前查找最后一个 ``` 
+    lines = text.splitlines()
+    for line in reversed(lines):
+        if '```' in line:
+            # 计算前面的空格数量
+            indent = len(line) - len(line.lstrip())
+            return indent
+    return 0 # 如果没找到返回0
+
+
+@lru_cache(maxsize=16)  # 使用lru缓存
 def close_up_code_segment_during_stream(gpt_reply):
     """
     在gpt输出代码的中途（输出了前面的```，但还没输出完后面的```），补上后面的```
@@ -397,6 +416,12 @@ def close_up_code_segment_during_stream(gpt_reply):
     """
     if "```" not in gpt_reply:
         return gpt_reply
+
+    # replace [```python:warp.py] to [```python {title="warp.py"}]
+    pattern = re.compile(r"```([a-z]{1,12}):([^:\n]{1,35}\.([a-zA-Z^:\n]{1,3}))\n")
+    if pattern.search(gpt_reply):
+        gpt_reply = pattern.sub(code_block_title_replace_format, gpt_reply)
+
     if gpt_reply.endswith("```"):
         return gpt_reply
 
@@ -404,7 +429,11 @@ def close_up_code_segment_during_stream(gpt_reply):
     segments = gpt_reply.split("```")
     n_mark = len(segments) - 1
     if n_mark % 2 == 1:
-        return gpt_reply + "\n```"  # 输出代码片段中！
+        try:
+            num_padding = get_last_backticks_indent(gpt_reply)
+        except:
+            num_padding = 0
+        return gpt_reply + "\n" + " "*num_padding + "```"  # 输出代码片段中！
     else:
         return gpt_reply
 
@@ -421,6 +450,19 @@ def special_render_issues_for_mermaid(text):
     return text
 
 
+def contain_html_tag(text):
+    """
+    判断文本中是否包含HTML标签。
+    """
+    pattern = r'</?([a-zA-Z0-9_]{3,16})>|<script\s+[^>]*src=["\']([^"\']+)["\'][^>]*>'
+    return re.search(pattern, text) is not None
+
+
+def contain_image(text):
+    pattern = r'<br/><br/><div align="center"><img src="file=(.*?)" base64="(.*?)"></div>'
+    return re.search(pattern, text) is not None
+
+
 def compat_non_markdown_input(text):
     """
     改善非markdown输入的显示效果，例如将空格转换为&nbsp;，将换行符转换为</br>等。
@@ -429,9 +471,13 @@ def compat_non_markdown_input(text):
         # careful input：markdown输入
         text = special_render_issues_for_mermaid(text)  # 处理特殊的渲染问题
         return text
-    elif "</div>" in text:
+    elif ("<" in text) and (">" in text) and contain_html_tag(text):
         # careful input：html输入
-        return text
+        if contain_image(text):
+            return text
+        else:
+            escaped_text = html.escape(text)
+            return escaped_text
     else:
         # whatever input：非markdown输入
         lines = text.split("\n")

tests/test_markdown.py

@@ -20,7 +20,7 @@ Replace 'Tex/' with the actual directory path where your files are located befor
 md = """
 Following code including wrapper
 
-```mermaid
+```python:wrapper.py
 graph TD
     A[Enter Chart Definition] --> B(Preview)
     B --> C{decide}
@@ -41,6 +41,33 @@ Any folded content here. It requires an empty line just above it.
 
 </details>
 
+"""
+
+md ="""
+
+在这种场景中，您希望机器 B 能够通过轮询机制来间接地“请求”机器 A，而实际上机器 A 只能主动向机器 B 发出请求。这是一种典型的客户端-服务器轮询模式。下面是如何实现这种机制的详细步骤：
+
+### 机器 B 的实现
+
+1. **安装 FastAPI 和必要的依赖库**：
+   ```bash
+   pip install fastapi uvicorn
+   ```
+
+2. **创建 FastAPI 服务**：
+   ```python
+   from fastapi import FastAPI
+   from fastapi.responses import JSONResponse
+   from uuid import uuid4
+   from threading import Lock
+   import time
+
+   app = FastAPI()
+
+   # 字典用于存储请求和状态
+   requests = {}
+   process_lock = Lock()
+
 """
 def validate_path():
     import os, sys
@@ -53,10 +80,12 @@ def validate_path():
 
 validate_path()  # validate path so you can run from base directory
 from toolbox import markdown_convertion
-from shared_utils.advanced_markdown_format import markdown_convertion_for_file
+# from shared_utils.advanced_markdown_format import markdown_convertion_for_file
+from shared_utils.advanced_markdown_format import close_up_code_segment_during_stream
 # with open("gpt_log/default_user/shared/2024-04-22-01-27-43.zip.extract/translated_markdown.md", "r", encoding="utf-8") as f:
     # md = f.read()
-html = markdown_convertion_for_file(md)
+md = close_up_code_segment_during_stream(md)
+html = markdown_convertion(md)
 # print(html)
 with open("test.html", "w", encoding="utf-8") as f:
     f.write(html)

themes/common.css

@@ -1,9 +1,16 @@
+:root {
+    --gpt-academic-message-font-size: 15px;
+}
+
+.message {
+    font-size: var(--gpt-academic-message-font-size) !important;
+}
+
 #plugin_arg_menu {
     transform: translate(-50%, -50%);
     border: dashed;
 }
 
-
 /* hide remove all button */
 .remove-all.svelte-aqlk7e.svelte-aqlk7e.svelte-aqlk7e {
     visibility: hidden;
@@ -25,7 +32,6 @@
     visibility: hidden;
 }
 
-
 /* height of the upload box */
 .wrap.svelte-xwlu1w {
     min-height: var(--size-32);
@@ -97,13 +103,9 @@
     min-width: min(80px, 100%);
 }
 
-
+#cbs,
-#cbs {
-    background-color: var(--block-background-fill) !important;
-}
-
 #cbsc {
-    background-color: var(--block-background-fill) !important;
+    background-color: rgba(var(--block-background-fill), 0.5) !important;
 }
 
 #interact-panel .form {
@@ -207,6 +209,7 @@
 .welcome-content {
     text-wrap: balance;
     height: 55px;
+    font-size: 13px;
     display: flex;
     align-items: center;
 }
@@ -275,4 +278,36 @@
 .tooltip.svelte-p2nen8.svelte-p2nen8 {
     box-shadow: 10px 10px 15px rgba(0, 0, 0, 0.5);
     left: 10px;
-}
+}
+
+#tooltip .hidden {
+    /* display: none; */
+    opacity: 0;
+    transition: opacity 0.5s ease;
+}
+
+#tooltip .visible {
+    /* display: block; */
+    opacity: 1;
+    transition: opacity 0.5s ease;
+}
+
+#elem_fontsize,
+#elem_top_p,
+#elem_temperature,
+#elem_max_length_sl,
+#elem_prompt {
+    /* 左右为0；顶部为0，底部为2px */
+    padding: 0 0 4px 0;
+    backdrop-filter: blur(10px);
+    background-color: rgba(var(--block-background-fill), 0.5);
+}
+
+
+#tooltip #cbs,
+#tooltip #cbsc,
+#tooltip .svelte-b6y5bg,
+#tooltip .tabitem {
+    backdrop-filter: blur(10px);
+    background-color: rgba(var(--block-background-fill), 0.5);
+}

themes/common.js

@@ -750,10 +750,24 @@ function minor_ui_adjustment() {
     var bar_btn_width = [];
     // 自动隐藏超出范围的toolbar按钮
     function auto_hide_toolbar() {
-        var qq = document.getElementById('tooltip');
+        // if chatbot hit upper page boarder, hide all
-        var tab_nav = qq.getElementsByClassName('tab-nav');
+        const elem_chatbot = document.getElementById('gpt-chatbot');
+        const chatbot_top = elem_chatbot.getBoundingClientRect().top;
+        var tooltip = document.getElementById('tooltip');
+        var tab_nav = tooltip.getElementsByClassName('tab-nav')[0];
+
+        // 20 px 大概是一个字的高度
+        if (chatbot_top < 20) {
+            // tab_nav.style.display = 'none';
+            if (tab_nav.classList.contains('visible')) {tab_nav.classList.remove('visible');}
+            if (!tab_nav.classList.contains('hidden')) {tab_nav.classList.add('hidden');}
+            return;
+        }
+        if (tab_nav.classList.contains('hidden')) {tab_nav.classList.remove('hidden');}
+        if (!tab_nav.classList.contains('visible')) {tab_nav.classList.add('visible');}
+        // tab_nav.style.display = '';
         if (tab_nav.length == 0) { return; }
-        var btn_list = tab_nav[0].getElementsByTagName('button')
+        var btn_list = tab_nav.getElementsByTagName('button')
         if (btn_list.length == 0) { return; }
         // 获取页面宽度
         var page_width = document.documentElement.clientWidth;
@@ -1034,7 +1048,7 @@ async function save_conversation_history() {
         return timeB - timeA;
     });
 
-    const max_chat_preserve = 4;
+    const max_chat_preserve = 10;
 
     if (conversation_history.length >= max_chat_preserve + 1) {
         toast_push('对话时间线记录已满，正在移除最早的对话记录。您也可以点击左侧的记录点进行手动清理。', 3000);

themes/green.css

@@ -567,7 +567,6 @@ ul:not(.options) {
     border-radius: var(--radius-xl) !important;
     border: none;
     padding: var(--spacing-xl) !important;
-    font-size: 15px !important;
     line-height: var(--line-md) !important;
     min-height: calc(var(--text-md)*var(--line-md) + 2*var(--spacing-xl));
     min-width: calc(var(--text-md)*var(--line-md) + 2*var(--spacing-xl));

themes/green.py

@@ -10,6 +10,14 @@ theme_dir = os.path.dirname(__file__)
 def adjust_theme():
     try:
         set_theme = gr.themes.Soft(
+            font=[
+                "Helvetica",
+                "Microsoft YaHei",
+                "ui-sans-serif",
+                "sans-serif",
+                "system-ui",
+            ],
+            font_mono=["ui-monospace", "Consolas", "monospace"],
             primary_hue=gr.themes.Color(
                 c50="#EBFAF2",
                 c100="#CFF3E1",

themes/gui_toolbar.py

@@ -1,6 +1,7 @@
 import gradio as gr
+from toolbox import get_conf
 
-def define_gui_toolbar(AVAIL_LLM_MODELS, LLM_MODEL, INIT_SYS_PROMPT, THEME, AVAIL_THEMES, ADD_WAIFU, help_menu_description, js_code_for_toggle_darkmode):
+def define_gui_toolbar(AVAIL_LLM_MODELS, LLM_MODEL, INIT_SYS_PROMPT, THEME, AVAIL_THEMES, AVAIL_FONTS, ADD_WAIFU, help_menu_description, js_code_for_toggle_darkmode):
     with gr.Floating(init_x="0%", init_y="0%", visible=True, width=None, drag="forbidden", elem_id="tooltip"):
         with gr.Row():
             with gr.Tab("上传文件", elem_id="interact-panel"):
@@ -9,12 +10,12 @@ def define_gui_toolbar(AVAIL_LLM_MODELS, LLM_MODEL, INIT_SYS_PROMPT, THEME, AVAI
 
             with gr.Tab("更换模型", elem_id="interact-panel"):
                 md_dropdown = gr.Dropdown(AVAIL_LLM_MODELS, value=LLM_MODEL, elem_id="elem_model_sel", label="更换LLM模型/请求源").style(container=False)
-                top_p = gr.Slider(minimum=-0, maximum=1.0, value=1.0, step=0.01,interactive=True, label="Top-p (nucleus sampling)",)
+                top_p = gr.Slider(minimum=-0, maximum=1.0, value=1.0, step=0.01,interactive=True, label="Top-p (nucleus sampling)", elem_id="elem_top_p")
                 temperature = gr.Slider(minimum=-0, maximum=2.0, value=1.0, step=0.01, interactive=True, label="Temperature", elem_id="elem_temperature")
-                max_length_sl = gr.Slider(minimum=256, maximum=1024*32, value=4096, step=128, interactive=True, label="Local LLM MaxLength",)
+                max_length_sl = gr.Slider(minimum=256, maximum=1024*32, value=4096, step=128, interactive=True, label="Local LLM MaxLength", elem_id="elem_max_length_sl")
                 system_prompt = gr.Textbox(show_label=True, lines=2, placeholder=f"System Prompt", label="System prompt", value=INIT_SYS_PROMPT, elem_id="elem_prompt")
                 temperature.change(None, inputs=[temperature], outputs=None,
-                    _js="""(temperature)=>gpt_academic_gradio_saveload("save", "elem_prompt", "js_temperature_cookie", temperature)""")
+                    _js="""(temperature)=>gpt_academic_gradio_saveload("save", "elem_temperature", "js_temperature_cookie", temperature)""")
                 system_prompt.change(None, inputs=[system_prompt], outputs=None,
                     _js="""(system_prompt)=>gpt_academic_gradio_saveload("save", "elem_prompt", "js_system_prompt_cookie", system_prompt)""")
                 md_dropdown.change(None, inputs=[md_dropdown], outputs=None,
@@ -22,6 +23,8 @@ def define_gui_toolbar(AVAIL_LLM_MODELS, LLM_MODEL, INIT_SYS_PROMPT, THEME, AVAI
 
             with gr.Tab("界面外观", elem_id="interact-panel"):
                 theme_dropdown = gr.Dropdown(AVAIL_THEMES, value=THEME, label="更换UI主题").style(container=False)
+                fontfamily_dropdown = gr.Dropdown(AVAIL_FONTS, value=get_conf("FONT"), elem_id="elem_fontfamily", label="更换字体类型").style(container=False)
+                fontsize_slider = gr.Slider(minimum=5, maximum=25, value=15, step=1, interactive=True, label="字体大小(默认15)", elem_id="elem_fontsize")
                 checkboxes = gr.CheckboxGroup(["基础功能区", "函数插件区", "浮动输入区", "输入清除键", "插件参数区"], value=["基础功能区", "函数插件区"], label="显示/隐藏功能区", elem_id='cbs').style(container=False)
                 opt = ["自定义菜单"]
                 value=[]
@@ -31,7 +34,10 @@ def define_gui_toolbar(AVAIL_LLM_MODELS, LLM_MODEL, INIT_SYS_PROMPT, THEME, AVAI
                 dark_mode_btn.click(None, None, None, _js=js_code_for_toggle_darkmode)
                 open_new_tab = gr.Button("打开新对话", variant="secondary").style(size="sm")
                 open_new_tab.click(None, None, None, _js=f"""()=>duplicate_in_new_window()""")
-
+                fontfamily_dropdown.select(None, inputs=[fontfamily_dropdown], outputs=None,
+                    _js="""(fontfamily)=>{gpt_academic_gradio_saveload("save", "elem_fontfamily", "js_fontfamily", fontfamily); gpt_academic_change_chatbot_font(fontfamily, null, null);}""")
+                fontsize_slider.change(None, inputs=[fontsize_slider], outputs=None,
+                    _js="""(fontsize)=>{gpt_academic_gradio_saveload("save", "elem_fontsize", "js_fontsize", fontsize); gpt_academic_change_chatbot_font(null, fontsize, null);}""")
 
             with gr.Tab("帮助", elem_id="interact-panel"):
                 gr.Markdown(help_menu_description)

themes/init.js

@@ -5,6 +5,129 @@ function remove_legacy_cookie() {
 }
 
 
+function processFontFamily(fontfamily) {
+    // 检查是否包含括号
+    if (fontfamily.includes('(')) {
+        // 分割字符串
+        const parts = fontfamily.split('(');
+        const fontNamePart = parts[1].split(')')[0].trim(); // 获取括号内的部分
+
+        // 检查是否包含 @
+        if (fontNamePart.includes('@')) {
+            const [fontName, fontUrl] = fontNamePart.split('@').map(part => part.trim());
+            return { fontName, fontUrl };
+        } else {
+            return { fontName: fontNamePart, fontUrl: null };
+        }
+    } else {
+        return { fontName: fontfamily, fontUrl: null };
+    }
+}
+
+// 检查字体是否存在
+function checkFontAvailability(fontfamily) {
+    return new Promise((resolve) => {
+        const canvas = document.createElement('canvas');
+        const context = canvas.getContext('2d');
+
+        // 设置两个不同的字体进行比较
+        const testText = 'abcdefghijklmnopqrstuvwxyz0123456789';
+        context.font = `16px ${fontfamily}, sans-serif`;
+        const widthWithFont = context.measureText(testText).width;
+
+        context.font = '16px sans-serif';
+        const widthWithFallback = context.measureText(testText).width;
+
+        // 如果宽度相同，说明字体不存在
+        resolve(widthWithFont !== widthWithFallback);
+    });
+}
+async function checkFontAvailabilityV2(fontfamily) {
+    fontName = fontfamily;
+    console.log('Checking font availability:', fontName);
+    if ('queryLocalFonts' in window) {
+        try {
+            const fonts = await window.queryLocalFonts();
+            const fontExists = fonts.some(font => font.family === fontName);
+            console.log(`Local Font "${fontName}" exists:`, fontExists);
+            return fontExists;
+        } catch (error) {
+            console.error('Error querying local fonts:', error);
+            return false;
+        }
+    } else {
+        console.error('queryLocalFonts is not supported in this browser.');
+        return false;
+    }
+}
+// 动态加载字体
+function loadFont(fontfamily, fontUrl) {
+    return new Promise((resolve, reject) => {
+        // 使用 Google Fonts 或其他字体来源
+        const link = document.createElement('link');
+        link.rel = 'stylesheet';
+        link.href = fontUrl;
+        link.onload = () => {
+            toast_push(`字体 "${fontfamily}" 已成功加载`, 3000);
+            resolve();
+        };
+        link.onerror = (error) => {
+            reject(error);
+        };
+        document.head.appendChild(link);
+    });
+}
+function gpt_academic_change_chatbot_font(fontfamily, fontsize, fontcolor) {
+    const chatbot = document.querySelector('#gpt-chatbot');
+    // 检查元素是否存在
+    if (chatbot) {
+        if (fontfamily != null) {
+            // 更改字体
+            const result = processFontFamily(fontfamily);
+            if (result.fontName == "Theme-Default-Font") {
+                chatbot.style.fontFamily = result.fontName;
+                return;
+            }
+            // 检查字体是否存在
+            checkFontAvailability(result.fontName).then((isAvailable) => {
+                if (isAvailable) {
+                    // 如果字体存在，直接应用
+                    chatbot.style.fontFamily = result.fontName;
+                } else {
+                    if (result.fontUrl == null) {
+                        // toast_push('无法加载字体，本地字体不存在，且URL未提供', 3000);
+                        // 直接把失效的字体放上去，让系统自动fallback
+                        chatbot.style.fontFamily = result.fontName;
+                        return;
+                    } else {
+                        toast_push('正在下载字体', 3000);
+                        // 如果字体不存在，尝试加载字体
+                        loadFont(result.fontName, result.fontUrl).then(() => {
+                            chatbot.style.fontFamily = result.fontName;
+                        }).catch((error) => {
+                            console.error(`无法加载字体 "${result.fontName}":`, error);
+                        });
+                    }
+                }
+            });
+
+        }
+        if (fontsize != null) {
+            // 修改字体大小
+            document.documentElement.style.setProperty(
+                '--gpt-academic-message-font-size',
+                `${fontsize}px`
+            );
+        }
+        if (fontcolor != null) {
+            // 更改字体颜色
+            chatbot.style.color = fontcolor;
+        }
+    } else {
+        console.error('#gpt-chatbot is missing');
+    }
+}
+
 async function GptAcademicJavaScriptInit(dark, prompt, live2d, layout, tts) {
     // 第一部分，布局初始化
     remove_legacy_cookie();
@@ -13,7 +136,7 @@ async function GptAcademicJavaScriptInit(dark, prompt, live2d, layout, tts) {
     ButtonWithDropdown_init();
     update_conversation_metadata();
     window.addEventListener("gptac_restore_chat_from_local_storage", restore_chat_from_local_storage);
-    
+
     // 加载欢迎页面
     const welcomeMessage = new WelcomeMessage();
     welcomeMessage.begin_render();
@@ -23,7 +146,7 @@ async function GptAcademicJavaScriptInit(dark, prompt, live2d, layout, tts) {
         welcomeMessage.update();
     });
     chatbotObserver.observe(chatbotIndicator, { attributes: true, childList: true, subtree: true });
-    
+
     if (layout === "LEFT-RIGHT") { chatbotAutoHeight(); }
     if (layout === "LEFT-RIGHT") { limit_scroll_position(); }
 
@@ -46,7 +169,7 @@ async function GptAcademicJavaScriptInit(dark, prompt, live2d, layout, tts) {
     }
 
     //  自动朗读
-    if (tts != "DISABLE"){
+    if (tts != "DISABLE") {
         enable_tts = true;
         if (getCookie("js_auto_read_cookie")) {
             auto_read_tts = getCookie("js_auto_read_cookie")
@@ -56,7 +179,11 @@ async function GptAcademicJavaScriptInit(dark, prompt, live2d, layout, tts) {
             }
         }
     }
-
+    // 字体
+    gpt_academic_gradio_saveload("load", "elem_fontfamily", "js_fontfamily", null, "str");
+    gpt_academic_change_chatbot_font(getCookie("js_fontfamily"), null, null);
+    gpt_academic_gradio_saveload("load", "elem_fontsize", "js_fontsize", null, "str");
+    gpt_academic_change_chatbot_font(null, getCookie("js_fontsize"), null);
     // SysPrompt 系统静默提示词
     gpt_academic_gradio_saveload("load", "elem_prompt", "js_system_prompt_cookie", null, "str");
     // Temperature 大模型温度参数
@@ -66,7 +193,7 @@ async function GptAcademicJavaScriptInit(dark, prompt, live2d, layout, tts) {
         const cached_model = getCookie("js_md_dropdown_cookie");
         var model_sel = await get_gradio_component("elem_model_sel");
         // determine whether the cached model is in the choices
-        if (model_sel.props.choices.includes(cached_model)){
+        if (model_sel.props.choices.includes(cached_model)) {
             // change dropdown
             gpt_academic_gradio_saveload("load", "elem_model_sel", "js_md_dropdown_cookie", null, "str");
             // 连锁修改chatbot的label

themes/welcome.js

@@ -85,7 +85,7 @@ class WelcomeMessage {
         this.card_array = [];
         this.static_welcome_message_previous = [];
         this.reflesh_time_interval = 15 * 1000;
-
+        this.major_title = "欢迎使用GPT-Academic";
 
         const reflesh_render_status = () => {
             for (let index = 0; index < this.card_array.length; index++) {
@@ -99,6 +99,8 @@ class WelcomeMessage {
 
         // call update when page size change, call this.update when page size change
         window.addEventListener('resize', this.update.bind(this));
+        // add a loop to reflesh cards
+        this.startRefleshCards();
     }
 
     begin_render() {
@@ -106,9 +108,12 @@ class WelcomeMessage {
     }
 
     async startRefleshCards() {
+        // sleep certain time
         await new Promise(r => setTimeout(r, this.reflesh_time_interval));
-        await this.reflesh_cards();
+        // checkout visible status
         if (this.visible) {
+            // if visible, then reflesh cards
+            await this.reflesh_cards();
             setTimeout(() => {
                 this.startRefleshCards.call(this);
             }, 1);
@@ -194,35 +199,38 @@ class WelcomeMessage {
     }
 
     async update() {
-        // console.log('update')
+        // update the card visibility
         const elem_chatbot = document.getElementById('gpt-chatbot');
         const chatbot_top = elem_chatbot.getBoundingClientRect().top;
         const welcome_card_container = document.getElementsByClassName('welcome-card-container')[0];
+
+        // detect if welcome card overflow
         let welcome_card_overflow = false;
         if (welcome_card_container) {
             const welcome_card_top = welcome_card_container.getBoundingClientRect().top;
             if (welcome_card_top < chatbot_top) {
                 welcome_card_overflow = true;
-                // console.log("welcome_card_overflow");
             }
         }
         var page_width = document.documentElement.clientWidth;
         const width_to_hide_welcome = 1200;
         if (!await this.isChatbotEmpty() || page_width < width_to_hide_welcome || welcome_card_overflow) {
+            // overflow !
             if (this.visible) {
-                console.log("remove welcome");
+                // console.log("remove welcome");
-                this.removeWelcome(); this.visible = false; // this two lines must always be together
+                this.removeWelcome();
                 this.card_array = [];
                 this.static_welcome_message_previous = [];
             }
             return;
         }
         if (this.visible) {
+            // console.log("already visible");
             return;
         }
-        console.log("show welcome");
+        // not overflow, not yet shown, then create and display welcome card
-        this.showWelcome(); this.visible = true; // this two lines must always be together
+        // console.log("show welcome");
-        this.startRefleshCards();
+        this.showWelcome();
     }
 
     showCard(message) {
@@ -263,7 +271,7 @@ class WelcomeMessage {
     }
 
     async showWelcome() {
-
+        this.visible = true;
         // 首先，找到想要添加子元素的父元素
         const elem_chatbot = document.getElementById('gpt-chatbot');
 
@@ -274,7 +282,7 @@ class WelcomeMessage {
         // 创建主标题
         const major_title = document.createElement('div');
         major_title.classList.add('welcome-title');
-        major_title.textContent = "欢迎使用GPT-Academic";
+        major_title.textContent = this.major_title;
         welcome_card_container.appendChild(major_title)
 
         // 创建卡片
@@ -297,16 +305,17 @@ class WelcomeMessage {
     }
 
     async removeWelcome() {
+        this.visible = false;
         // remove welcome-card-container
         const elem_chatbot = document.getElementById('gpt-chatbot');
         const welcome_card_container = document.getElementsByClassName('welcome-card-container')[0];
-        // 添加隐藏动画
+        // begin hide animation
         welcome_card_container.classList.add('hide');
-        // 等待动画结束后再移除元素
         welcome_card_container.addEventListener('transitionend', () => {
             elem_chatbot.removeChild(welcome_card_container);
         }, { once: true });
-        const timeout = 600; // 与CSS中transition的时间保持一致(1s)
+        // add a fail safe timeout
+        const timeout = 600; // 与 CSS 中 transition 的时间保持一致(1s)
         setTimeout(() => {
             if (welcome_card_container.parentNode) {
                 elem_chatbot.removeChild(welcome_card_container);

version

@@ -1,5 +1,5 @@
 {
-  "version": 3.91,
+  "version": 3.92,
   "show_feature": true,
-  "new_feature": "优化前端并修复TTS的BUG <-> 添加时间线回溯功能 <-> 支持chatgpt-4o-latest <-> 增加RAG组件 <-> 升级多合一主提交键"
+  "new_feature": "字体和字体大小自定义 <-> 优化前端并修复TTS的BUG <-> 添加时间线回溯功能 <-> 支持chatgpt-4o-latest <-> 增加RAG组件 <-> 升级多合一主提交键"
 }