encode unicode for lxml

[librarian.git] / librarian / dcparser.py

diff --git a/librarian/dcparser.py b/librarian/dcparser.py
index 26f2a0c..9faffe8 100644 (file)
--- a/librarian/dcparser.py
+++ b/librarian/dcparser.py
@@ -38,9 +38,17 @@ class Person(object):
             names = [ name for name in parts[1].split() if len(name) ] # all non-whitespace tokens
         return cls(surname, *names)
 
+    def readable(self):
+        return u" ".join(self.first_names + (self.last_name,))
+
     def __eq__(self, right):
         return self.last_name == right.last_name and self.first_names == right.first_names
 
+    def __cmp__(self, other):
+        return cmp((self.last_name, self.first_names), (other.last_name, other.first_names))
+
+    def __hash__(self):
+        return hash((self.last_name, self.first_names))
 
     def __unicode__(self):
         if len(self.first_names) > 0:
@@ -88,7 +96,7 @@ class Field(object):
                     return val
                 return [ self.validator(v) if v is not None else v for v in val ]
             elif len(val) > 1:
-                raise ValidationError("Mulitply values not allowed for field '%s'" % self.uri)
+                raise ValidationError("Multiple values not allowed for field '%s'" % self.uri)
             elif len(val) == 0:
                 raise ValidationError("Field %s has no value to assign. Check your defaults." % self.uri)
             else:
@@ -134,6 +142,7 @@ class BookInfo(object):
         Field( DCNS('relation.hasPart'), 'parts', multiple=True, required=False),
         Field( DCNS('rights.license'), 'license', required=False),
         Field( DCNS('rights'), 'license_description'),
+        Field( DCNS('description'), 'description', required=False),
     )
 
     @property
@@ -259,7 +268,8 @@ class BookInfo(object):
                     if len(v) == 0: continue
                     for x in v:
                         e = etree.Element(field.uri)
-                        e.text = unicode(x)
+                        if x is not None:
+                            e.text = unicode(x)
                         description.append(e)
                 else:
                     e = etree.Element(field.uri)
@@ -279,7 +289,7 @@ class BookInfo(object):
             if v is not None:
                 if field.multiple:
                     if len(v) == 0: continue
-                    v = [ unicode(x) for x in v if v is not None ]
+                    v = [ unicode(x) for x in v if x is not None ]
                 else:
                     v = unicode(v)
 
@@ -295,7 +305,7 @@ class BookInfo(object):
             if v is not None:
                 if field.multiple:
                     if len(v) == 0: continue
-                    v = [ unicode(x) for x in v if v is not None ]
+                    v = [ unicode(x) for x in v if x is not None ]
                 else:
                     v = unicode(v)
                 result[field.name] = v