Create app.py

app.py

@@ -0,0 +1,152 @@
+import datetime as dt
+import html
+import textwrap
+from typing import List, Tuple
+
+import feedparser
+import gradio as gr
+import requests
+
+DEFAULT_URL = "https://sachet.ndma.gov.in/cap_public_website/rss/rss_india.xml"
+UA = "MinimalRSS/1.0 (+https://huggingface.co/spaces)"
+
+def _fetch(url: str, timeout: int = 12) -> bytes:
+    resp = requests.get(url, headers={"User-Agent": UA}, timeout=timeout)
+    resp.raise_for_status()
+    return resp.content
+
+def _truncate(text: str, n: int = 220) -> str:
+    text = " ".join(text.split())
+    return text if len(text) <= n else text[: n - 1].rstrip() + "…"
+
+def _format_time(struct_time) -> str:
+    if not struct_time:
+        return ""
+    # Display in IST by default (Asia/Kolkata = UTC+5:30). We’ll label UTC to avoid timezone assumptions.
+    # Feed times are usually UTC; to stay unambiguous, show ISO 8601/Z.
+    try:
+        return dt.datetime(*struct_time[:6], tzinfo=dt.timezone.utc).isoformat().replace("+00:00", "Z")
+    except Exception:
+        return ""
+
+def render_feed(url: str, max_items: int, show_summaries: bool) -> Tuple[str, str]:
+    try:
+        raw = _fetch(url.strip() or DEFAULT_URL)
+        parsed = feedparser.parse(raw)
+    except Exception as e:
+        return "", f"⚠️ Could not load the feed. {type(e).__name__}: {e}"
+
+    title = parsed.feed.get("title", "Feed")
+    subtitle = parsed.feed.get("subtitle", "")
+    updated = parsed.feed.get("updated_parsed")
+
+    header_html = f"""
+    <div class="header">
+      <div class="feed-title">{html.escape(title)}</div>
+      {"<div class='feed-sub'>"+html.escape(subtitle)+"</div>" if subtitle else ""}
+      <div class="feed-meta">Updated: {html.escape(_format_time(updated) or "—")}</div>
+    </div>
+    """
+
+    items_html: List[str] = []
+    for entry in parsed.entries[:max_items]:
+        etitle = html.escape(entry.get("title", "Untitled"))
+        link = entry.get("link", "#")
+        published = _format_time(entry.get("published_parsed"))
+        summary = entry.get("summary", "") or entry.get("description", "")
+        # Remove very long XML artifacts
+        summary = html.escape(_truncate(summary, 500))
+
+        caps = []
+        for key in ("category", "tags"):
+            if key in entry and entry[key]:
+                if key == "category":
+                    caps.append(str(entry["category"]))
+                else:
+                    for t in entry["tags"]:
+                        lab = t.get("term") or t.get("label")
+                        if lab:
+                            caps.append(str(lab))
+        caps = [c for c in [c.strip() for c in caps] if c]
+
+        cap_html = (
+            "<div class='caps'>" + " ".join(f"<span class='cap'>{html.escape(c)}</span>" for c in caps) + "</div>"
+            if caps
+            else ""
+        )
+
+        item = f"""
+        <li class="item">
+          <a class="title" href="{html.escape(link)}" target="_blank" rel="noopener noreferrer">{etitle}</a>
+          <div class="meta">{("Published: " + published) if published else ""}</div>
+          {cap_html}
+          {f"<div class='summary'>{summary}</div>" if show_summaries and summary else ""}
+        </li>
+        """
+        items_html.append(item)
+
+    if not items_html:
+        items_html.append("<li class='item empty'>No items found.</li>")
+
+    body_html = "<ul class='list'>" + "\n".join(items_html) + "</ul>"
+
+    full_html = f"""
+    <div class="wrap">
+      {header_html}
+      {body_html}
+    </div>
+    """
+
+    return full_html, ""
+
+MINIMAL_CSS = """
+:root { --fg:#111; --muted:#666; --bg:#fff; --card:#fafafa; --link:#0b57d0; }
+@media (prefers-color-scheme: dark) {
+  :root { --fg:#eee; --muted:#aaa; --bg:#0b0b0b; --card:#141414; --link:#7fb0ff; }
+}
+*{box-sizing:border-box}
+body{{background:var(--bg)}}
+.wrap{max-width:920px;margin:24px auto;padding:0 16px;color:var(--fg);font:16px/1.55 system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial}
+.header{margin:12px 0 8px 0}
+.feed-title{font-weight:700;font-size:20px}
+.feed-sub{color:var(--muted);margin-top:2px}
+.feed-meta{color:var(--muted);font-size:13px;margin-top:6px}
+.list{list-style:none;padding:0;margin:16px 0}
+.item{background:var(--card);border:1px solid rgba(127,127,127,.2);border-radius:12px;padding:14px 16px;margin:10px 0}
+.item .title{font-weight:600;text-decoration:none;color:var(--link)}
+.item .title:hover{text-decoration:underline}
+.item .meta{color:var(--muted);font-size:13px;margin-top:6px}
+.caps{margin-top:8px;display:flex;gap:6px;flex-wrap:wrap}
+.cap{border:1px solid rgba(127,127,127,.25);padding:2px 8px;border-radius:999px;font-size:12px;color:var(--muted)}
+.summary{margin-top:10px;white-space:pre-wrap}
+.empty{color:var(--muted);text-align:center}
+.footer{max-width:920px;margin:8px auto 24px auto;padding:0 16px;color:var(--muted);font:12px/1.4 system-ui}
+"""
+
+with gr.Blocks(css=MINIMAL_CSS, fill_height=True, theme=gr.themes.Soft()) as demo:
+    gr.Markdown("### NDMA Sachet — Minimal RSS Viewer")
+
+    with gr.Row():
+        url_in = gr.Textbox(
+            label="RSS URL",
+            value=DEFAULT_URL,
+            placeholder="Paste an RSS/Atom URL…",
+            max_lines=1
+        )
+        max_items = gr.Slider(5, 50, value=20, step=1, label="Items")
+        show_summaries = gr.Checkbox(value=True, label="Show summaries")
+        refresh = gr.Button("Refresh", variant="primary")
+
+    out_html = gr.HTML()
+    out_err = gr.Markdown(elem_classes=["footer"])
+
+    def _go(u, m, s):
+        return render_feed(u, int(m), bool(s))
+
+    # Initial load
+    demo.load(_go, [url_in, max_items, show_summaries], [out_html, out_err])
+    # Manual refresh
+    refresh.click(_go, [url_in, max_items, show_summaries], [out_html, out_err])
+
+if __name__ == "__main__":
+    demo.launch()