#!/usr/bin/env python3
# -*- coding: utf-8 -*-
from .common import *
from .base import BaseZhihu, JsonAsSoupMixin
[文档]class Post(JsonAsSoupMixin, BaseZhihu):
"""专栏文章类，请使用``ZhihuClient.post``方法构造对象."""
@class_common_init(re_post_url)
[文档] def __init__(self, url, column=None, author=None, title=None,
upvote_num=None, comment_num=None, session=None):
"""创建专栏文章类实例.
:param str url: 文章url
:param Column column: 文章所属专栏，可选
:param Author author: 文章作者，可选
:param str title: 文章标题，可选
:param int upvote_num: 文章赞同数，可选
:param int comment_num: 文章评论数，可选
:param Session session: 使用的网络会话，为空则使用新会话
:return: 专栏文章对象
:rtype: Post
"""
match = re_post_url.match(url)
self.url = url
self._session = session
self._column = column
self._author = author
self._title = title
self._upvote_num = upvote_num
self._comment_num = comment_num
self._slug = int(match.group(1)) # 文章编号
def _make_soup(self):
if self.soup is None:
json = self._get_content()
self._gen_soup(json)
def _get_content(self):
origin_host = self._session.headers.get('Host')
self._session.headers.update(Host='zhuanlan.zhihu.com')
json = self._session.get(Column_Post_Data.format(self.slug)).json()
self._session.headers.update(Host=origin_host)
return json
@property
def column_in_name(self):
"""获取文章所在专栏的内部名称（用不到就忽视吧~）
:return: 专栏的内部名称
:rtype: str
"""
self._make_soup()
if 'column' in self.soup:
return self.soup['column']['slug']
else:
return None
@property
def slug(self):
"""获取文章的编号（用不到就忽视吧~）
:return: 文章编号
:rtype: int
"""
return self._slug
@property
@check_soup('_column')
def column(self):
"""获取文章所在专栏.
:return: 文章所在专栏
:rtype: Column
"""
from .column import Column
if 'column' in self.soup:
url = Column_Url + '/' + self.soup['column']['slug']
name = self.soup['column']['name']
return Column(url, name, session=self._session)
else:
return None
@property
@check_soup('_author')
def author(self):
"""获取文章作者.
:return: 文章作者
:rtype: Author
"""
from .author import Author
url = self.soup['author']['profileUrl']
name = self.soup['author']['name']
motto = self.soup['author']['bio']
template = self.soup['author']['avatar']['template']
photo_id = self.soup['author']['avatar']['id']
photo_url = template.format(id=photo_id, size='r')
return Author(url, name, motto, photo_url=photo_url,
session=self._session)
@property
@check_soup('_title')
def title(self):
"""获取文章标题.
:return: 文章标题
:rtype: str
"""
return self.soup['title']
@property
@check_soup('_upvote_num')
def upvote_num(self):
"""获取文章赞同数量.
:return: 文章赞同数
:rtype: int
"""
return int(self.soup['likesCount'])
@property
@check_soup('_comment_num')
def comment_num(self):
"""获取评论数量.
:return: 评论数量
:rtype: int
"""
return self.soup['commentsCount']
[文档] def save(self, filepath=None, filename=None, mode="md"):
"""保存答案为 Html 文档或 markdown 文档.
:param str filepath: 要保存的文件所在的目录，
不填为当前目录下以专栏标题命名的目录, 设为"."则为当前目录。
:param str filename: 要保存的文件名，
不填则默认为 所在文章标题 - 作者名.html/md。
如果文件已存在，自动在后面加上数字区分。
**自定义文件名时请不要输入后缀 .html 或 .md。**
:param str mode: 保存类型，可选 `html` 、 `markdown` 、 `md` 。
:return: 无
:rtype: None
"""
if mode not in ["html", "md", "markdown"]:
raise ValueError("`mode` must be 'html', 'markdown' or 'md',"
" got {0}".format(mode))
self._make_soup()
file = get_path(filepath, filename, mode, self.column.name,
self.title + '-' + self.author.name)
with open(file, 'wb') as f:
if mode == "html":
f.write(self.soup['content'].encode('utf-8'))
else:
import html2text
h2t = html2text.HTML2Text()
h2t.body_width = 0
f.write(h2t.handle(self.soup['content']).encode('utf-8'))
@property
def upvoters(self):
"""获取文章的点赞用户
:return: 文章的点赞用户，返回生成器。
"""
from .author import Author, ANONYMOUS
self._make_soup()
headers = dict(Default_Header)
headers['Host'] = 'zhuanlan.zhihu.com'
json = self._session.get(
Post_Get_Upvoter.format(self.slug),
headers=headers
).json()
for au in json:
try:
yield Author(
au['profileUrl'],
au['name'],
au['bio'],
photo_url=au['avatar']['template'].format(
id=au['avatar']['id'], size='r'),
session=self._session
)
except ValueError: # invalid url
yield ANONYMOUS