update

app.py

@@ -1,6 +1,8 @@
 import gradio as gr
 import subprocess, shutil, os, zipfile, datetime, sys, time, uuid, stat, re
 from pathlib import Path
+import base64
+
 
 # =====================
 # Version guard
@@ -260,6 +262,23 @@ def _apply_left_logo(OUTPUT_DIR: Path, logo_files, logs):
         logs.append(f"⚠️ Failed to modify poster_output.tex: {e}")
         return False
 
+def render_overleaf_button(overleaf_b64):
+    if not overleaf_b64:
+        return ""
+    
+    html = f"""
+    <form action="https://www.overleaf.com/docs" method="post" target="_blank">
+      <input type="hidden" name="snip_uri" value="data:application/zip;base64,{overleaf_b64}">
+      <input type="hidden" name="engine" value="xelatex">
+      <button style="
+        background:#4CAF50;color:white;padding:8px 14px;
+        border:none;border-radius:6px;cursor:pointer; margin-top:8px;
+      ">
+        🚀 Open in Overleaf
+      </button>
+    </form>
+    """
+    return html
 
 # =====================
 # Gradio pipeline function (ISOLATED)
@@ -347,7 +366,6 @@ def run_pipeline(arxiv_url, pdf_file, openai_key, logo_files, meeting_logo_file,
 
     logs.append("\n======= REAL-TIME LOG =======")
     logs.append(f"cwd = runs/{WORK_DIR.name}")
-    logs.append(f"cmd = {' '.join(cmd)}")
     _write_logs(LOG_PATH, logs)
     yield "\n".join(logs), None
 
@@ -469,13 +487,22 @@ def run_pipeline(arxiv_url, pdf_file, openai_key, logo_files, meeting_logo_file,
     except Exception as e:
         logs.append(f"❌ Failed to create zip: {e}")
 
+    # ====== Prepare Overleaf base64 payload (optional) ======
+    overleaf_zip_b64 = ""
+    try:
+        with open(ZIP_PATH, "rb") as f:
+            overleaf_zip_b64 = base64.b64encode(f.read()).decode("utf-8")
+        logs.append("🔗 Prepared Overleaf base64 payload")
+    except Exception as e:
+        logs.append(f"⚠️ Failed Overleaf payload: {e}")
+
     end_time = datetime.datetime.now()
     dur = (end_time - start_time).seconds
     logs.append(f"🏁 Completed at {_now_str()} (Duration: {dur}s)")
     logs.append(f"🆔 run_id = {WORK_DIR.name}")
 
     _write_logs(LOG_PATH, logs)
-    yield "\n".join(logs), (str(ZIP_PATH) if ZIP_PATH.exists() else None)
+    yield "\n".join(logs), (str(ZIP_PATH) if ZIP_PATH.exists() else None), overleaf_zip_b64
 
 # =====================
 # Gradio UI
@@ -491,7 +518,7 @@ iface = gr.Interface(
             file_count="multiple",
             file_types=["image"],
         ),
-        gr.File(label="🧩 Optional: Conference Logo (replaces right_logo.png)", file_count="single", file_types=["image"]),
+        gr.File(label="🧩 Optional: Conference Logo (NIPS official logo by defalt)", file_count="single", file_types=["image"]),
         gr.ColorPicker(
             label="🎨 Theme Color (optional)",
             value="#5E2E91"   # default purple (94,46,145)
@@ -499,8 +526,10 @@ iface = gr.Interface(
     ],
     outputs=[
         gr.Textbox(label="🧾 Logs (8~10 minutes)", lines=30, max_lines=50),
-        gr.File(label="📦 Download Results (.zip)")
+        gr.File(label="📦 Download Results (.zip)"),
+        gr.HTML(label="Open in Overleaf")
     ],
+
     title="🎓 Paper2Poster",
     description="""
     [paper](https://arxiv.org/abs/2505.21497) | [GitHub](https://github.com/Paper2Poster/Paper2Poster) | [project page](https://paper2poster.github.io/) 

posterbuilder/convert.py

@@ -88,26 +88,27 @@ def escape_text(s: str) -> str:
     if not s:
         return ""
 
-    # ✅ 提取并暂存 math block（不产生 MATH 字符）
+    # --- 1) 捕获 math: $...$ 或 \( ... \) ----
     math_blocks = []
-
     def store_math(m):
         math_blocks.append(m.group(0))
-        # 用对象占位，避免出现标记文本
-        return f"\0{len(math_blocks)-1}\0"  # 不会出现在普通文本里
+        return f"\0{len(math_blocks)-1}\0"
 
-    s = re.sub(r"\${1,2}.*?\${1,2}", store_math, s)
+    # 识别 $...$ 和 \( ... \)
+    s = re.sub(r"\${1,2}.*?\${1,2}|\\\(.+?\\\)", store_math, s)
 
-    # ✅ 执行普通字符转义
+    # --- 2) 转义文本字符（不碰 math） ----
     rep = {
         "&": r"\&", "%": r"\%", "$": r"\$", "#": r"\#",
         "_": r"\_", "{": r"\{", "}": r"\}",
-        "~": r"\textasciitilde{}", "^": r"\textasciicircum{}",
+        "~": r"~{}",  # 保持 LaTeX 不换行空格
+        "^": r"\^{}",
     }
+
     for k, v in rep.items():
         s = s.replace(k, v)
 
-    # ✅ 恢复 math（无 MATH 字符产生）
+    # --- 3) 恢复 math ----
     for i, block in enumerate(math_blocks):
         s = s.replace(f"\0{i}\0", block)