Make QueryMacro load lazily

openlibrary/macros/QueryCarousel.html

@@ -1,34 +1,4 @@
 $def with(query, title=None, sort='new', key='', limit=20, search=False, has_fulltext_only=True, url=None)
+$# Also expose query carousel as a macro
 
-$# Takes following parameters
-$# * query (str) -- Any arbitrary Open Library search query, e.g. subject:"Textbooks"
-$# * title (str) -- A title to show above the carousel (links to /search?q=query)
-$# * sort (str) -- optional sort param defined within work_search.py `work_search`
-$# * key (str) -- unique name of the carousel in analytics
-$# * limit (int) -- initial number of books to pull
-$# * search (bool) -- whether to include search within collection
-
-$# Set default for key
-$ key = key or str(abs(hash(query)))
-
-$# Enable search within this query
-$if search:
-  <form action="/search" class="olform pagesearchbox">
-    <input type="hidden" name="q" value="$query"/>
-    $if has_fulltext_only:
-      <input type="hidden" name="has_fulltext" value="true"/>
-    <input type="text" placeholder="Search collection" name="q2"/>
-    <input type="submit"/>
-  </form>
-
-$code:
-  params = { 'q': query, 'fields': '*,availability' }
-  url = url or "/search?" + urlencode(params)
-  if has_fulltext_only:
-    params['has_fulltext'] = 'true'
-
-  results = work_search(params, sort=sort, limit=limit)
-  books = [storage(b) for b in (results.get('docs', []))]
-  load_more = {"url": "/search.json?" + urlencode(params), "limit": limit }
-
-$:render_template("books/custom_carousel", books=books, title=title, url=url, key=key, load_more=load_more)
+$:render_template_lazy("books/query_carousel", query, title=title, sort=sort, key=key, limit=limit, search=search)

openlibrary/templates/books/query_carousel.html

@@ -0,0 +1,34 @@
+$def with(query, title=None, sort='new', key='', limit=20, search=False, has_fulltext_only=True, url=None)
+
+$# Takes following parameters
+$# * query (str) -- Any arbitrary Open Library search query, e.g. subject:"Textbooks"
+$# * title (str) -- A title to show above the carousel (links to /search?q=query)
+$# * sort (str) -- optional sort param defined within work_search.py `work_search`
+$# * key (str) -- unique name of the carousel in analytics
+$# * limit (int) -- initial number of books to pull
+$# * search (bool) -- whether to include search within collection
+
+$# Set default for key
+$ key = key or str(abs(hash(query)))
+
+$# Enable search within this query
+$if search:
+  <form action="/search" class="olform pagesearchbox">
+    <input type="hidden" name="q" value="$query"/>
+    $if has_fulltext_only:
+      <input type="hidden" name="has_fulltext" value="true"/>
+    <input type="text" placeholder="Search collection" name="q2"/>
+    <input type="submit"/>
+  </form>
+
+$code:
+  params = { 'q': query, 'fields': '*,availability' }
+  url = url or "/search?" + urlencode(params)
+  if has_fulltext_only:
+    params['has_fulltext'] = 'true'
+
+  results = work_search(params, sort=sort, limit=limit)
+  books = [storage(b) for b in (results.get('docs', []))]
+  load_more = {"url": "/search.json?" + urlencode(params), "limit": limit }
+
+$:render_template("books/custom_carousel", books=books, title=title, url=url, key=key, load_more=load_more)