+# This file is part of Librarian, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Wolne Lektury. See NOTICE for more information.
+#
+import re
from .base import MetaValue
class WLURI(MetaValue):
"""Represents a WL URI. Extracts slug from it."""
- slug = None
-
- example = 'http://wolnelektury.pl/katalog/lektura/template/'
+ template = 'http://wolnelektury.pl/katalog/lektura/%s/'
_re_wl_uri = re.compile(
r'http://(www\.)?wolnelektury.pl/katalog/lektur[ay]/'
'(?P<slug>[-a-z0-9]+)/?$'
def __init__(self, slug, uri=None):
"""Contructs an URI from slug.
- >>> print(WLURI.from_slug('a-slug').uri)
+ >>> print(WLURI('a-slug').uri)
http://wolnelektury.pl/katalog/lektura/a-slug/
"""
if uri is None:
- uri = 'http://wolnelektury.pl/katalog/lektura/%s/' % slug
+ uri = self.template % slug
self.uri = uri
return super().__init__(slug)
-
-
+
@classmethod
def from_text(cls, uri):
slug = uri.rstrip('/').rsplit('/', 1)[-1]
if not match:
raise ValidationError('Invalid URI (%s). Should match: %s' % (
self.uri, self._re_wl_uri.pattern))
- return cls(uri)
def __str__(self):
return self.uri
def __eq__(self, other):
- return self.slug == other.slug
+ return self.value == other.value
+
+ @property
+ def slug(self):
+ return self.value