Add main thema field. Move to calver.
[librarian.git] / src / librarian / dcparser.py
index b89abd1..34723f2 100644 (file)
@@ -1,11 +1,11 @@
 # This file is part of Librarian, licensed under GNU Affero GPLv3 or later.
-# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
+# Copyright © Fundacja Wolne Lektury. See NOTICE for more information.
 #
 from xml.parsers.expat import ExpatError
 from datetime import date
+import io
 import time
 import re
-import six
 from librarian.util import roman_to_int
 
 from librarian import (ValidationError, NoDublinCore, ParseError, DCNS, RDFNS,
@@ -15,13 +15,12 @@ import lxml.etree as etree
 from lxml.etree import XMLSyntaxError
 
 from librarian.meta.types.bool import BoolValue
-from librarian.meta.types.date import DateValue
 from librarian.meta.types.person import Person
 from librarian.meta.types.wluri import WLURI
 from librarian.meta.types import text
 
 
-class Field(object):
+class Field:
     def __init__(self, uri, attr_name, value_type=text.TextValue,
                  multiple=False, salias=None, **kwargs):
         self.uri = uri
@@ -104,7 +103,7 @@ class DCInfo(type):
         return super(DCInfo, mcs).__new__(mcs, classname, bases, class_dict)
 
 
-class WorkInfo(six.with_metaclass(DCInfo, object)):
+class WorkInfo(metaclass=DCInfo):
     FIELDS = (
         Field(DCNS('creator'), 'authors', Person, salias='author',
               multiple=True),
@@ -121,7 +120,7 @@ class WorkInfo(six.with_metaclass(DCInfo, object)):
         Field(DCNS('contributor.thanks'), 'thanks', required=False),
 
         Field(DCNS('date'), 'created_at'),
-        Field(DCNS('date.pd'), 'released_to_public_domain_at', DateValue,
+        Field(DCNS('date.pd'), 'released_to_public_domain_at',
               required=False),
         Field(DCNS('publisher'), 'publisher', multiple=True),
 
@@ -151,7 +150,7 @@ class WorkInfo(six.with_metaclass(DCInfo, object)):
     
     @classmethod
     def from_bytes(cls, xml, *args, **kwargs):
-        return cls.from_file(six.BytesIO(xml), *args, **kwargs)
+        return cls.from_file(io.BytesIO(xml), *args, **kwargs)
 
     @classmethod
     def from_file(cls, xmlfile, *args, **kwargs):
@@ -302,11 +301,11 @@ class WorkInfo(six.with_metaclass(DCInfo, object)):
                     for x in v:
                         e = etree.Element(field.uri)
                         if x is not None:
-                            e.text = six.text_type(x)
+                            e.text = str(x)
                         description.append(e)
                 else:
                     e = etree.Element(field.uri)
-                    e.text = six.text_type(v)
+                    e.text = str(v)
                     description.append(e)
 
         return root
@@ -321,9 +320,9 @@ class WorkInfo(six.with_metaclass(DCInfo, object)):
                 if field.multiple:
                     if len(v) == 0:
                         continue
-                    v = [six.text_type(x) for x in v if x is not None]
+                    v = [str(x) for x in v if x is not None]
                 else:
-                    v = six.text_type(v)
+                    v = str(v)
 
                 dc[field.name] = {'uri': field.uri, 'value': v}
         rdf['fields'] = dc
@@ -338,15 +337,15 @@ class WorkInfo(six.with_metaclass(DCInfo, object)):
                 if field.multiple:
                     if len(v) == 0:
                         continue
-                    v = [six.text_type(x) for x in v if x is not None]
+                    v = [str(x) for x in v if x is not None]
                 else:
-                    v = six.text_type(v)
+                    v = str(v)
                 result[field.name] = v
 
             if field.salias:
                 v = getattr(self, field.salias)
                 if v is not None:
-                    result[field.salias] = six.text_type(v)
+                    result[field.salias] = str(v)
 
         return result
 
@@ -362,8 +361,9 @@ class BookInfo(WorkInfo):
               required=False),
         Field(DCNS('subject.genre'), 'genres', text.Genre, salias='genre', multiple=True,
               required=False),
-        Field(WLNS('category.legimi'), 'legimi', text.LegimiCategory, required=False),
-        Field(WLNS('category.thema'), 'thema', text.ThemaCategory, required=False, multiple=True),
+        Field('category.legimi', 'legimi', text.LegimiCategory, required=False),
+        Field('category.thema.main', 'thema_main', text.ThemaCategory, required=False),
+        Field('category.thema', 'thema', text.MainThemaCategory, required=False, multiple=True),
         Field(DCNS('subject.location'), 'location', required=False),
 
         Field(DCNS('contributor.translator'), 'translators',