From 3cf5b6c22896fe3bb0a0286b8523fcff9c784061 Mon Sep 17 00:00:00 2001
From: ale <ale@incal.net>
Date: Sat, 2 Apr 2016 13:05:18 +0100
Subject: [PATCH] export default metadata providers

---
 update.go | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/update.go b/update.go
index 183596d..fa8e7f4 100644
--- a/update.go
+++ b/update.go
@@ -290,6 +290,13 @@ func (uc *updateContext) dbwriter(ch chan fileAndBook) {
 	}
 }
 
+func DefaultMetadataProviders() []MetadataProvider {
+	return []MetadataProvider{
+		&opfProvider{},
+		&fileProvider{},
+	}
+}
+
 func (db *Database) Update(dir string, chooser MetadataChooserFunc) {
 	// Parallelize metadata extraction, serialize database updates
 	// (so that index-based de-duplication works).
@@ -300,10 +307,7 @@ func (db *Database) Update(dir string, chooser MetadataChooserFunc) {
 
 		// Calibre/OPF must be first, so we don't attempt to
 		// parse the file itself.
-		providers: []MetadataProvider{
-			&opfProvider{},
-			&fileProvider{},
-		},
+		providers: DefaultMetadataProviders(),
 
 		// Check Google Books when the metadata is not
 		// sufficient to fully describe the book.
-- 
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