# XML Parser by Python with VS Code

###### tags: `Python`

* 安裝Python
* 安裝Visual Code
* 更新pip

python.exe -m pip install --upgrade pip

* 安裝Code Runner

* 設定Code Runner執行VS Code的terminal

* 安裝BeautifulSoup4

pip install beautifulsoup4

* 安裝lxml parser

pip install lxml

* 安裝 openpyxl

pip install openpyxl

* 安裝 auto-py-to-exe

pip install auto-py-to-exe

---
#### 處理XML換行、縮排

def indent(elem, level=0):
    i = "\n" + level*"  "
    if len(elem):
        if not elem.text or not elem.text.strip():
            elem.text = i + "  "
        if not elem.tail or not elem.tail.strip():
            elem.tail = i
        for elem in elem:
            indent(elem, level+1)
        if not elem.tail or not elem.tail.strip():
            elem.tail = i
    else:
        if level and (not elem.tail or not elem.tail.strip()):
            elem.tail = i

---
The ElementTree XML API
https://docs.python.org/2/library/xml.etree.elementtree.html

BeautifulSoup4 Documentation
https://www.crummy.com/software/BeautifulSoup/bs4/doc/

The lxml.etree Tutorial
https://lxml.de/tutorial.html