Fix Gradio theme and cache issues to resolve 'Content unavailable' error

app.py

@@ -68,32 +68,36 @@ def patch_css_js_paths(soup: BeautifulSoup, output_dir: Path):
     Fix CSS and JS paths in the HTML to work with Gradio's file serving.
     Converts relative paths to /file= paths or removes them if files don't exist.
     """
-    # CSS
-    for link in soup.find_all("link", rel=lambda x: x and "stylesheet" in x):
-        href = link.get("href", "")
-        if href.startswith(("http", "data:")):
-            continue
-        f = output_dir / href.lstrip("./")
-        if f.exists():
-            link["href"] = f"/file={f}"
-            print(f"Fixed CSS path: {href} -> /file={f}")
-        else:
-            print(f"Removing non-existent CSS: {href}")
-            link.decompose()
+    try:
+        # CSS
+        for link in soup.find_all("link", rel=lambda x: x and "stylesheet" in x):
+            href = link.get("href", "")
+            if href.startswith(("http", "data:")):
+                continue
+            f = output_dir / href.lstrip("./")
+            if f.exists():
+                link["href"] = f"/file={f}"
+                print(f"Fixed CSS path: {href} -> /file={f}")
+            else:
+                print(f"Removing non-existent CSS: {href}")
+                link.decompose()
 
-    # JS
-    for script in soup.find_all("script", src=True):
-        src = script["src"]
-        if src.startswith(("http", "data:")):
-            continue
-        f = output_dir / src.lstrip("./")
-        if f.exists():
-            script["src"] = f"/file={f}"
-            print(f"Fixed JS path: {src} -> /file={f}")
-        else:
-            print(f"Removing non-existent JS: {src}")
-            script.decompose()
+        # JS
+        for script in soup.find_all("script", src=True):
+            src = script["src"]
+            if src.startswith(("http", "data:")):
+                continue
+            f = output_dir / src.lstrip("./")
+            if f.exists():
+                script["src"] = f"/file={f}"
+                print(f"Fixed JS path: {src} -> /file={f}")
+            else:
+                print(f"Removing non-existent JS: {src}")
+                script.decompose()
 
+    except Exception as e:
+        print(f"Error in patch_css_js_paths: {e}")
+    
     return soup
 
 def render_preview(code: str, width: int, height: int, scale: float) -> str:
@@ -236,7 +240,7 @@ def process_and_generate(image_np, image_path_from_state, sidebar_prompt, header
 
     return initial_preview, html_content, gr.update(value=package_url, visible=True)
 
-with gr.Blocks(head=TAILWIND_SCRIPT, theme=gr.themes.Soft(primary_hue="blue", secondary_hue="sky")) as demo:
+with gr.Blocks(head=TAILWIND_SCRIPT, theme=gr.themes.Default()) as demo:
     gr.Markdown("# ScreenCoder: Screenshot to Code")
     with gr.Row():
         with gr.Column(scale=1):
@@ -330,4 +334,12 @@ for path in allowed_paths:
     print(f"  - {path}")
 
 if __name__ == "__main__":
-    demo.launch(allowed_paths=allowed_paths)
+    demo.launch(
+        allowed_paths=allowed_paths,
+        show_error=True,
+        quiet=False,
+        favicon_path=None,
+        prevent_thread_lock=True,
+        cache_examples=False,
+        show_tips=False
+    )