def from_metaweblog(cls, struct, post_type ='post', is_edit = False):
# 从metaweblog RPC取得的结构,初始化一个post
title = struct.get('title','')
meta_description = struct.get('mt_excerpt', '')
if len(meta_description) > 155:
raise ValueError(
"Description is %d chars, Max length is 155" % len(meta_description)
)
if 'mt_keywords' in struct:
tags = [
tag.strip() for tag in struct['mt_keywords'].split(',')
if tag.strip()
]
else:
tags = None
slug = (
slugify.slugify(struct['wp_slug'])
if struct.get('wp_slug')
else slugify.slugify(title))
description = struct.get('description', '')
status = (struct.get('post_status')
or struct.get('page_status')
or 'publish')
if "date_modified_gmt" in struct:
tup = struct['date_modified_gmt'].timetuple()
mod = utc_tz.localize(datetime.datetime(*tup[0:6]))
else:
mod = datetime.datetime.utcnow()
body = markup.markup(description)
img_src = struct[u'img_src'] if struct.has_key(u'img_src') else ''
rv = cls(
title=title,
# Format for display
body=body,
plain=plain.plain(body),
summary=summarize.summarize(body, 200),
original=description,
meta_description=meta_description,
tags=tags,
slug=slug,
type=post_type,
status=status,
wordpress_id=struct.get('postid'),
mod=mod,
img_src=img_src
)
if not is_edit and "data_created_gmt" in struct:
date_created = datetime.datetime.strptime(
struct['date_created_gmt'].value, "%Y%m%dT%H:%M:%S")
rv.id = ObjectId.from_datetime(date_created)
return rv
def summarize(html, n):
"""Returns plain-text summary
"""
summary = []
length = 0
for word in whitespace.split(plain(html)):
if word:
if length + len(word) < n:
summary.append(word)
length += len(word)
else:
break
else:
return ' '.join(summary)
return ' '.join(summary) + ' [...]'
