134 lines
3.9 KiB
Python
134 lines
3.9 KiB
Python
# -*- coding: utf-8 -*-
|
|
from __future__ import unicode_literals
|
|
|
|
import functools
|
|
import logging
|
|
import os
|
|
|
|
import six
|
|
|
|
from pelican.utils import python_2_unicode_compatible, slugify
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
@python_2_unicode_compatible
|
|
@functools.total_ordering
|
|
class URLWrapper(object):
|
|
def __init__(self, name, settings):
|
|
self.settings = settings
|
|
self._name = name
|
|
self._slug = None
|
|
self._slug_from_name = True
|
|
|
|
@property
|
|
def name(self):
|
|
return self._name
|
|
|
|
@name.setter
|
|
def name(self, name):
|
|
self._name = name
|
|
# if slug wasn't explicitly set, it needs to be regenerated from name
|
|
# so, changing name should reset slug for slugification
|
|
if self._slug_from_name:
|
|
self._slug = None
|
|
|
|
@property
|
|
def slug(self):
|
|
if self._slug is None:
|
|
class_key = '{}_REGEX_SUBSTITUTIONS'.format(
|
|
self.__class__.__name__.upper())
|
|
if class_key in self.settings:
|
|
self._slug = slugify(
|
|
self.name,
|
|
regex_subs=self.settings[class_key])
|
|
else:
|
|
self._slug = slugify(
|
|
self.name,
|
|
regex_subs=self.settings.get(
|
|
'SLUG_REGEX_SUBSTITUTIONS', []))
|
|
return self._slug
|
|
|
|
@slug.setter
|
|
def slug(self, slug):
|
|
# if slug is expliticly set, changing name won't alter slug
|
|
self._slug_from_name = False
|
|
self._slug = slug
|
|
|
|
def as_dict(self):
|
|
d = self.__dict__
|
|
d['name'] = self.name
|
|
d['slug'] = self.slug
|
|
return d
|
|
|
|
def __hash__(self):
|
|
return hash(self.slug)
|
|
|
|
def _normalize_key(self, key):
|
|
subs = self.settings.get('SLUG_REGEX_SUBSTITUTIONS', [])
|
|
return six.text_type(slugify(key, regex_subs=subs))
|
|
|
|
def __eq__(self, other):
|
|
if isinstance(other, self.__class__):
|
|
return self.slug == other.slug
|
|
if isinstance(other, six.text_type):
|
|
return self.slug == self._normalize_key(other)
|
|
return False
|
|
|
|
def __ne__(self, other):
|
|
if isinstance(other, self.__class__):
|
|
return self.slug != other.slug
|
|
if isinstance(other, six.text_type):
|
|
return self.slug != self._normalize_key(other)
|
|
return True
|
|
|
|
def __lt__(self, other):
|
|
if isinstance(other, self.__class__):
|
|
return self.slug < other.slug
|
|
if isinstance(other, six.text_type):
|
|
return self.slug < self._normalize_key(other)
|
|
return False
|
|
|
|
def __str__(self):
|
|
return self.name
|
|
|
|
def __repr__(self):
|
|
return '<{} {}>'.format(type(self).__name__, repr(self._name))
|
|
|
|
def _from_settings(self, key, get_page_name=False):
|
|
"""Returns URL information as defined in settings.
|
|
|
|
When get_page_name=True returns URL without anything after {slug} e.g.
|
|
if in settings: CATEGORY_URL="cat/{slug}.html" this returns
|
|
"cat/{slug}" Useful for pagination.
|
|
|
|
"""
|
|
setting = "%s_%s" % (self.__class__.__name__.upper(), key)
|
|
value = self.settings[setting]
|
|
if not isinstance(value, six.string_types):
|
|
logger.warning('%s is set to %s', setting, value)
|
|
return value
|
|
else:
|
|
if get_page_name:
|
|
return os.path.splitext(value)[0].format(**self.as_dict())
|
|
else:
|
|
return value.format(**self.as_dict())
|
|
|
|
page_name = property(functools.partial(_from_settings, key='URL',
|
|
get_page_name=True))
|
|
url = property(functools.partial(_from_settings, key='URL'))
|
|
save_as = property(functools.partial(_from_settings, key='SAVE_AS'))
|
|
|
|
|
|
class Category(URLWrapper):
|
|
pass
|
|
|
|
|
|
class Tag(URLWrapper):
|
|
def __init__(self, name, *args, **kwargs):
|
|
super(Tag, self).__init__(name.strip(), *args, **kwargs)
|
|
|
|
|
|
class Author(URLWrapper):
|
|
pass
|