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[librarian.git] / src / librarian / parser.py

diff --git a/src/librarian/parser.py b/src/librarian/parser.py
index c00785a..bea67b1 100644 (file)
--- a/src/librarian/parser.py
+++ b/src/librarian/parser.py
@@ -30,7 +30,10 @@ class WLElementLookup(etree.CustomElementClassLookup):
             return
         if namespace:
             return
-        return WL_ELEMENTS[name]
+        try:
+            return WL_ELEMENTS[name]
+        except KeyError:
+            return
 
 
 parser = etree.XMLParser()
@@ -178,7 +181,7 @@ class WLDocument(object):
         for part_uri in self.book_info.parts:
             try:
                 yield self.from_file(
-                    self.provider.by_uri(part_uri), provider=self.provider
+                    self.provider.by_slug(part_uri.slug), provider=self.provider
                 )
             except Exception as e:
                 if pass_part_errors: