Book details panel: When displaying a link to amazon, use a country specific name like amazon.fr instead of using amazon.com for all countries

src/calibre/ebooks/metadata/sources/amazon.py

@@ -573,8 +573,13 @@ class Amazon(Source):
             else:
                 url = 'http://www.amazon.%s/dp/%s'%(domain, asin)
             if url:
-                idtype = 'amazon' if self.domain == 'com' else 'amazon_'+self.domain
+                idtype = 'amazon' if domain == 'com' else 'amazon_'+domain
                 return (idtype, asin, url)
+
+    def get_book_url_name(self, idtype, idval, url):
+        if idtype == 'amazon':
+            return self.name
+        return 'A' + idtype.replace('_', '.')[1:]
     # }}}
 
     @property

src/calibre/ebooks/metadata/sources/base.py

@@ -443,6 +443,12 @@ class Source(Plugin):
         '''
         return None
 
+    def get_book_url_name(self, idtype, idval, url):
+        '''
+        Return a human readable name from the return value of get_book_url().
+        '''
+        return self.name
+
     def get_cached_cover_url(self, identifiers):
         '''
         Return cached cover URL for the book identified by

src/calibre/ebooks/metadata/sources/identify.py

@@ -517,7 +517,7 @@ def urls_from_identifiers(identifiers): # {{{
     for plugin in all_metadata_plugins():
         try:
             id_type, id_val, url = plugin.get_book_url(identifiers)
-            ans.append((plugin.name, id_type, id_val, url))
+            ans.append((plugin.get_book_url_name(id_type, id_val, url), id_type, id_val, url))
         except:
             pass
     isbn = identifiers.get('isbn', None)