fix(drw): Correct broken link when same object is rendered twice.

schedula/utils/drw/__init__.py

@@ -159,15 +159,26 @@ def site_view(
         'alive_url': 'alive' in app.view_functions and app.url_for('alive')
     }
     render_ctx.update(app.jinja_env.globals)
-    if not osp.isfile(osp.join(static_folder, filepath)):
+    fpath = osp.join(static_folder, filepath)
+    if not osp.isfile(fpath):
         if filepath not in rules:
             from flask import abort
             return abort(404)
-
+        rdir = osp.dirname(fpath)
+        directory = None
+        node = rules[filepath]
         for v in cached_view(
-                rules[filepath], static_folder, context, rendered, viz,
-                executor, **render_ctx).values():
-            v.result()
+                node, static_folder, context, rendered, viz, executor,
+                **render_ctx).values():
+            fp = v.result()
+            if directory is None:
+                directory = osp.dirname(fp)
+                if fp != fpath:
+                    shutil.copy(fp, fpath)
+
+            if directory != rdir:
+                shutil.copy(fp, osp.join(rdir, osp.relpath(fp, directory)))
+
     return app.send_static_file(filepath)
 
 
@@ -207,10 +218,7 @@ def __init__(
 
     @property
     def name(self):
-        try:
-            return parent_func(self.item).__name__
-        except AttributeError:
-            return self.node_id
+        return self.node_id
 
     @property
     def view_id(self):