Added support adding generic metadata to contexts

Primitive open graph protocol support
This commit is contained in:
Sebastian 2017-04-25 21:33:46 +02:00
parent 0d12462345
commit 3aa8ecaf16
4 changed files with 84 additions and 4 deletions

20
mixins/metadatamixin.py Normal file
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@ -0,0 +1,20 @@
#!/usr/bin/env python2
import copy
from verdandi.mixins.templatemixin import TemplateMixin
class MetadataMixin(TemplateMixin):
metadata = {}
def get_metadata(self):
return copy.copy(self.metadata)
def get_context(self):
context = super(MetadataMixin, self).get_context()
metadata = self.get_metadata()
for key, value in metadata.items():
context['meta_%s' % key] = value
return context

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@ -9,9 +9,10 @@ from verdandi.mixins.templatemixin import TemplateMixin
from verdandi.mixins.menuitemmixin import MenuItemMixin
from verdandi.mixins.fileassetsmixin import FileAssetsMixin
from verdandi.mixins.newsitemmixin import NewsItemMixin
from verdandi.mixins.metadatamixin import MetadataMixin
from verdandi.constants import CONTENT_DIRECTORY, MARKDOWN_EXTENSIONS
class Gallery(MenuItemMixin, NewsItemMixin, TemplateMixin, FileAssetsMixin):
class Gallery(MenuItemMixin, NewsItemMixin, MetadataMixin, TemplateMixin, FileAssetsMixin):
gallery_description_file = 'description.md'
gallery_directory = 'gallery'
gallery_images_url = 'img/gallery'
@ -26,6 +27,8 @@ class Gallery(MenuItemMixin, NewsItemMixin, TemplateMixin, FileAssetsMixin):
template = "gallery.html"
metadata_description_len = 10
content_directory = CONTENT_DIRECTORY
markdown_extensions = MARKDOWN_EXTENSIONS
@ -70,6 +73,26 @@ class Gallery(MenuItemMixin, NewsItemMixin, TemplateMixin, FileAssetsMixin):
return item
def get_metadata(self):
markdown_converter = markdown.Markdown(extensions = self.markdown_extensions)
metadata = super(Gallery, self).get_metadata()
lines = self.description['content'].split('\n')
elipsized_description = '\n'.join(lines[0:self.news_item_len])
elipsized_description = markdown_converter.convert(elipsized_description)
meta = {
'url': "/%s" % self.url,
'title': self.description['title'],
'description' : elipsized_description
}
if 'image' in metadata:
meta['image'] = "/%s" % metadata['image']
return meta
def get_context(self):
context = super(Gallery,self).get_context()

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@ -8,10 +8,11 @@ from dateutil import parser
from verdandi.mixins.templatemixin import TemplateMixin
from verdandi.mixins.menuitemmixin import MenuItemMixin
from verdandi.mixins.fileassetsmixin import FileAssetsMixin
from verdandi.mixins.metadatamixin import MetadataMixin
from verdandi.constants import CONTENT_DIRECTORY, MARKDOWN_EXTENSIONS
class NewsFeed(MenuItemMixin, TemplateMixin, FileAssetsMixin):
class NewsFeed(MenuItemMixin, MetadataMixin, TemplateMixin, FileAssetsMixin):
title = "News feed title"
template = "newsfeed.html"
@ -25,7 +26,6 @@ class NewsFeed(MenuItemMixin, TemplateMixin, FileAssetsMixin):
items = []
def process_message(self, message):
other_messages = super(NewsFeed, self).process_message(message)
@ -38,6 +38,23 @@ class NewsFeed(MenuItemMixin, TemplateMixin, FileAssetsMixin):
return other_messages
def get_metadata(self):
metadata = super(NewsFeed, self).get_metadata()
meta = {
'url': "/%s" % self.url,
'title': self.title
}
if 'description' in metadata:
meta['description'] = metadata['description']
if 'image' in metadata:
meta['image'] = "/%s" % metadata['image']
return meta
def get_context(self):
context = super(NewsFeed,self).get_context()
context['title'] = self.title

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@ -8,9 +8,10 @@ from verdandi.mixins.templatemixin import TemplateMixin
from verdandi.mixins.menuitemmixin import MenuItemMixin
from verdandi.mixins.fileassetsmixin import FileAssetsMixin
from verdandi.mixins.newsitemmixin import NewsItemMixin
from verdandi.mixins.metadatamixin import MetadataMixin
from verdandi.constants import CONTENT_DIRECTORY, MARKDOWN_EXTENSIONS
class Page(MenuItemMixin, NewsItemMixin, TemplateMixin, FileAssetsMixin):
class Page(MenuItemMixin, NewsItemMixin, MetadataMixin, TemplateMixin, FileAssetsMixin):
content_file = "content.md"
content_is_markdown = True
@ -19,6 +20,7 @@ class Page(MenuItemMixin, NewsItemMixin, TemplateMixin, FileAssetsMixin):
markdown_extensions = MARKDOWN_EXTENSIONS
news_item_len = 10
metadata_description_len = 10
def process_message(self, message):
@ -45,6 +47,24 @@ class Page(MenuItemMixin, NewsItemMixin, TemplateMixin, FileAssetsMixin):
return item
def get_metadata(self):
markdown_converter = markdown.Markdown(extensions = self.markdown_extensions)
metadata = super(Page, self).get_metadata()
lines = self.content['content'].split('\n')
elipsized_content = '\n'.join(lines[0:self.news_item_len])
elipsized_content = markdown_converter.convert(elipsized_content)
meta = {
'url': "/%s" % self.url,
'title': self.content['title'],
'description' : elipsized_content
}
if 'image' in metadata:
meta['image'] = "/%s" % metadata['image']
return meta
def get_context(self):
context = super(Page,self).get_context()