From e98f14292a25f572c6edf6e163f9f70c8defebba Mon Sep 17 00:00:00 2001
From: Charles Haley <>
Date: Fri, 31 Dec 2010 14:18:05 +0000
Subject: [PATCH] Add the possibility to make an 'all by something' collection.
 Syntax: abs:collection_name. If there is an entry in the tweak
 sony_sort_collections_by, then that controls the sorting, otherwise the
 collection name is assumed to be a field. Sorts by title_sort within
 sort_field

---
 src/calibre/devices/usbms/books.py | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/calibre/devices/usbms/books.py b/src/calibre/devices/usbms/books.py
index 1e7d74480a..8c92aa8a6e 100644
--- a/src/calibre/devices/usbms/books.py
+++ b/src/calibre/devices/usbms/books.py
@@ -140,11 +140,19 @@ class CollectionsBookList(BookList):
         all_by_author = ''
         all_by_title = ''
         ca = []
+        all_by_something = []
         for c in collection_attributes:
-            if c.startswith('aba:') and c[4:]:
+            if c.startswith('aba:') and c[4:].strip():
                 all_by_author = c[4:].strip()
-            elif c.startswith('abt:') and c[4:]:
+            elif c.startswith('abt:') and c[4:].strip():
                 all_by_title = c[4:].strip()
+            elif c.startswith('abs:') and c[4:].strip():
+                name = c[4:].strip()
+                sby = self.in_category_sort_rules(name)
+                if sby is None:
+                    sby = name
+                if name and sby:
+                    all_by_something.append((name, sby))
             else:
                 ca.append(c.lower())
         collection_attributes = ca
@@ -251,6 +259,10 @@ class CollectionsBookList(BookList):
                 if all_by_title not in collections:
                     collections[all_by_title] = {}
                 collections[all_by_title][lpath] = (book, tsval, asval)
+            for (n, sb) in all_by_something:
+                if n not in collections:
+                    collections[n] = {}
+                collections[n][lpath] = (book, book.get(sb, ''), tsval)
 
         # Sort collections
         result = {}