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import math
import re
from djangoblog . plugin_manage . base_plugin import BasePlugin
from djangoblog . plugin_manage import hooks
from djangoblog . plugin_manage . hook_constants import ARTICLE_CONTENT_HOOK_NAME
class ReadingTimePlugin ( BasePlugin ) :
PLUGIN_NAME = ' 阅读时间预测 '
PLUGIN_DESCRIPTION = ' 估算文章阅读时间并显示在文章开头。 '
PLUGIN_VERSION = ' 0.1.0 '
PLUGIN_AUTHOR = ' liangliangyy '
def register_hooks ( self ) :
hooks . register ( ARTICLE_CONTENT_HOOK_NAME , self . add_reading_time )
def add_reading_time ( self , content , * args , * * kwargs ) :
"""
计算阅读时间并添加到内容开头。
只在文章详情页显示，首页（文章列表页）不显示。
"""
# 检查是否为摘要模式（首页/文章列表页）
# 通过kwargs中的is_summary参数判断
is_summary = kwargs . get ( ' is_summary ' , False )
if is_summary :
# 如果是摘要模式（首页），直接返回原内容，不添加阅读时间
return content
# 移除HTML标签和空白字符，
clean_content = re . sub ( r ' <[^>]*> ' , ' ' , content )
clean_content = clean_content . strip ( )
# 中文和英文单词混合计数的一个简单方法
# 匹配中文字符或连续的非中文字符(视为单词)
words = re . findall ( r ' [ \ u4e00- \ u9fa5]| \ w+ ' , clean_content )
word_count = len ( words )
# 按平均每分钟200字的速度计算
reading_speed = 200
reading_minutes = math . ceil ( word_count / reading_speed )
# 如果阅读时间少于1分钟，
if reading_minutes < 1 :
reading_minutes = 1
reading_time_html = f ' <p style= " color: #888; " ><em>预计阅读时间： { reading_minutes } 分钟</em></p> '
return reading_time_html + content
plugin = ReadingTimePlugin ( )
