From 1b4ec12d6d2d7770b55df90c0293a62471eb115f Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sun, 24 Jan 2010 18:34:38 -0700
Subject: [PATCH] Fix #4650 (Comma in Tag information causes issues)

---
 src/calibre/ebooks/metadata/amazon.py       | 1 +
 src/calibre/ebooks/metadata/google_books.py | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/calibre/ebooks/metadata/amazon.py b/src/calibre/ebooks/metadata/amazon.py
index e988fb8234..616185d5a6 100644
--- a/src/calibre/ebooks/metadata/amazon.py
+++ b/src/calibre/ebooks/metadata/amazon.py
@@ -63,6 +63,7 @@ def get_social_metadata(title, authors, publisher, isbn):
             mi.tags = []
             for x in tags:
                 mi.tags.extend([y.strip() for y in x.split('/')])
+            mi.tags = [x.replace(',', ';') for x in mi.tags]
         comments = root.find('.//%s/%s'%(AWS('EditorialReview'),
             AWS('Content')))
         if comments is not None:
diff --git a/src/calibre/ebooks/metadata/google_books.py b/src/calibre/ebooks/metadata/google_books.py
index a02e13add6..2705e3554e 100644
--- a/src/calibre/ebooks/metadata/google_books.py
+++ b/src/calibre/ebooks/metadata/google_books.py
@@ -143,7 +143,7 @@ class ResultList(list):
         except:
             report(verbose)
             tags = []
-        return tags
+        return [x.replace(',', ';') for x in tags]
 
     def get_publisher(self, entry, verbose):
         try: