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pelican-theme/pelican/contents.py
2011-05-06 16:45:27 +06:00

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2.9 KiB
Python

# -*- coding: utf-8 -*-
from pelican.utils import slugify, truncate_html_words
from pelican.log import *
class Page(object):
"""Represents a page
Given a content, and metadatas, create an adequate object.
:param content: the string to parse, containing the original content.
"""
mandatory_properties = ('title',)
def __init__(self, content, metadatas={}, settings={}, filename=None):
self._content = content
self.translations = []
self.status = "published" # default value
for key, value in metadatas.items():
setattr(self, key.lower(), value)
if not hasattr(self, 'author'):
if 'AUTHOR' in settings:
self.author = settings['AUTHOR']
default_lang = settings.get('DEFAULT_LANG').lower()
if not hasattr(self, 'lang'):
self.lang = default_lang
self.in_default_lang = (self.lang == default_lang)
if not hasattr(self, 'slug'):
self.slug = slugify(self.title)
if not hasattr(self, 'save_as'):
if self.in_default_lang:
self.save_as = '%s.html' % self.slug
clean_url = '%s/' % self.slug
else:
self.save_as = '%s-%s.html' % (self.slug, self.lang)
clean_url = '%s-%s/' % (self.slug, self.lang)
if settings.get('CLEAN_URLS', False):
self.url = clean_url
else:
self.url = self.save_as
if filename:
self.filename = filename
if not hasattr(self, 'date_format'):
if self.lang in settings['DATE_FORMATS']:
self.date_format = settings['DATE_FORMATS'][self.lang]
else:
self.date_format = settings['DEFAULT_DATE_FORMAT']
if hasattr(self, 'date'):
self.locale_date = self.date.strftime(self.date_format.encode('ascii','xmlcharrefreplace')).decode('utf')
if not hasattr(self, 'summary'):
self.summary = property(lambda self: truncate_html_words(self.content, 50)).__get__(self, Page)
# store the settings ref.
self._settings = settings
def check_properties(self):
"""test that each mandatory property is set."""
for prop in self.mandatory_properties:
if not hasattr(self, prop):
raise NameError(prop)
@property
def content(self):
if hasattr(self, "_get_content"):
content = self._get_content()
else:
content = self._content
return content
class Article(Page):
mandatory_properties = ('title', 'date', 'category')
class Quote(Page):
base_properties = ('author', 'date')
def is_valid_content(content, f):
try:
content.check_properties()
return True
except NameError, e:
error(u"Skipping %s: impossible to find informations about '%s'" % (f, e))
return False