Bugfixes for sqlalchemy 1.4.0

cps/db.py

@@ -627,15 +627,17 @@ class CalibreDB():
             randm = self.session.query(Books) \
                 .filter(self.common_filters(allow_show_archived)) \
                 .order_by(func.random()) \
-                .limit(self.config.config_random_books)
+                .limit(self.config.config_random_books).all()
         else:
             randm = false()
         off = int(int(pagesize) * (page - 1))
-        query = self.session.query(database) \
-            .filter(db_filter) \
+        query = self.session.query(database)
+        if len(join) == 3:
+            query = query.outerjoin(join[0], join[1]).outerjoin(join[2])
+        elif len(join) == 2:
+            query = query.outerjoin(join[0], join[1])
+        query = query.filter(db_filter)\
             .filter(self.common_filters(allow_show_archived))
-        if len(join):
-            query = query.join(*join, isouter=True)
         entries = list()
         pagination = list()
         try:

cps/web.py

@@ -502,6 +502,7 @@ def render_author_books(page, author_id, order):
                                                         db.Books.authors.any(db.Authors.id == author_id),
                                                         [order[0], db.Series.name, db.Books.series_index],
                                                         db.books_series_link,
+                                                        db.Books.id == db.books_series_link.c.book,
                                                         db.Series)
     if entries is None or not len(entries):
         flash(_(u"Oops! Selected book title is unavailable. File does not exist or is not accessible"),
@@ -530,6 +531,7 @@ def render_publisher_books(page, book_id, order):
                                                                 db.Books.publishers.any(db.Publishers.id == book_id),
                                                                 [db.Series.name, order[0], db.Books.series_index],
                                                                 db.books_series_link,
+                                                                db.Books.id == db.books_series_link.c.book,
                                                                 db.Series)
         return render_title_template('index.html', random=random, entries=entries, pagination=pagination, id=book_id,
                                      title=_(u"Publisher: %(name)s", name=publisher.name), page="publisher")
@@ -583,7 +585,9 @@ def render_category_books(page, book_id, order):
                                                                 db.Books,
                                                                 db.Books.tags.any(db.Tags.id == book_id),
                                                                 [order[0], db.Series.name, db.Books.series_index],
-                                                                db.books_series_link, db.Series)
+                                                                db.books_series_link,
+                                                                db.Books.id == db.books_series_link.c.book,
+                                                                db.Series)
         return render_title_template('index.html', random=random, entries=entries, pagination=pagination, id=book_id,
                                      title=_(u"Category: %(name)s", name=name.name), page="category")
     else: