<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[xiaochenmuu的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/xiaochenmuu</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; xiaochenmuu]]></copyright><item><title><![CDATA[正则表达式零宽断言]]></title><link>https://blog.youkuaiyun.com/xiaochenmuu/article/details/107665582</link><guid>https://blog.youkuaiyun.com/xiaochenmuu/article/details/107665582</guid><author>xiaochenmuu</author><pubDate>Wed, 29 Jul 2020 15:26:17 +0800</pubDate><description><![CDATA[正则表达式的先行断言和后行断言一共有4种形式：
(?=pattern) 零宽正向先行断言(zero-width positive lookahead assertion)
(?!pattern) 零宽负向先行断言(zero-width negative lookahead assertion)
(?&lt;=pattern) 零宽正向后行断言(zero-width positive lookbehind assertion)
(?&lt;!pattern) 零宽负向后行断言(zero-width negat]]></description><category></category></item><item><title><![CDATA[PIP升级失败处理方法]]></title><link>https://blog.youkuaiyun.com/xiaochenmuu/article/details/106060862</link><guid>https://blog.youkuaiyun.com/xiaochenmuu/article/details/106060862</guid><author>xiaochenmuu</author><pubDate>Mon, 11 May 2020 19:25:57 +0800</pubDate><description><![CDATA[依次尝试以下命令：
python -m pip install --upgrade pip

python -m pip install -U pip

easy_install --upgrade pip

升级后使用pip -V查看版本

]]></description><category></category></item><item><title><![CDATA[Python实现Word文档内容添加和替换并另存PDF]]></title><link>https://blog.youkuaiyun.com/xiaochenmuu/article/details/105472386</link><guid>https://blog.youkuaiyun.com/xiaochenmuu/article/details/105472386</guid><author>xiaochenmuu</author><pubDate>Sun, 12 Apr 2020 17:15:57 +0800</pubDate><description><![CDATA[from win32com.client import Dispatch
import os
import time
import shutil


class Edit_Word():
    def __init__(self, file_path, debug_lv = 2, is_log = 'disable'):
        self.__debug_lv = 2
        s...]]></description><category></category></item><item><title><![CDATA[Python 实现office（doc，Excel，ppt）文件转PDF格式]]></title><link>https://blog.youkuaiyun.com/xiaochenmuu/article/details/105456188</link><guid>https://blog.youkuaiyun.com/xiaochenmuu/article/details/105456188</guid><author>xiaochenmuu</author><pubDate>Sat, 11 Apr 2020 17:32:09 +0800</pubDate><description><![CDATA[支持批量转
from win32com.client import gencache
from win32com.client import constants, gencache

from win32com.client import Dispatch
import glob
import os
import time

 
def convertfile2pdf(file_path, pdf...]]></description><category></category></item><item><title><![CDATA[Python pip换源]]></title><link>https://blog.youkuaiyun.com/xiaochenmuu/article/details/105336145</link><guid>https://blog.youkuaiyun.com/xiaochenmuu/article/details/105336145</guid><author>xiaochenmuu</author><pubDate>Wed, 08 Apr 2020 21:14:03 +0800</pubDate><description><![CDATA[pip是一个很好用的第三方库安装方式，但是默认的源没法连接，就算有时候可以成功率也很低，所以换成国内镜像源比较方便。
将pip源更换到国内镜像
用pip管理工具安装库文件时，默认使用国外的源文件，因此在国内的下载速度会比较慢，可能只有50KB/s。幸好，国内的一些顶级科研机构已经给我们准备好了各种镜像，下载速度可达2MB/s。
临时方法
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...]]></description><category></category></item><item><title><![CDATA[Python实现邮件群发，多附件，正文添加图片]]></title><link>https://blog.youkuaiyun.com/xiaochenmuu/article/details/105377816</link><guid>https://blog.youkuaiyun.com/xiaochenmuu/article/details/105377816</guid><author>xiaochenmuu</author><pubDate>Wed, 08 Apr 2020 21:03:33 +0800</pubDate><description><![CDATA[import smtplib
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
from email.mime.image import MIMEImage
from email.mime.base import MIMEBase
from email.header import ...]]></description><category></category></item></channel></rss>