LXML是最近更新的，包含一个漂亮的打印函数

import lxml.etree as etree

x = etree.parse("filename")
print etree.tostring(x, pretty_print=True)

查看lxml教程: http://lxml.de/tutorial.html

LXML是最近更新的，包含一个漂亮的打印函数

import lxml.etree as etree

x = etree.parse("filename")
print etree.tostring(x, pretty_print=True)

查看lxml教程: http://lxml.de/tutorial.html

from yattag import indent

pretty_string = indent(ugly_string)

它不会在文本节点中添加空格或换行，除非你要求它:

indent(mystring, indent_text = True)

您可以指定缩进单位和换行符的样式。

pretty_xml_string = indent(
    ugly_xml_string,
    indentation = '    ',
    newline = '\r\n'
)

该文件在http://www.yattag.org主页上。

另一个解决方案是借用这个缩进函数，用于自2.5以来内置在Python中的ElementTree库。 下面是它的样子:

from xml.etree import ElementTree

def indent(elem, level=0):
    i = "\n" + level*"  "
    j = "\n" + (level-1)*"  "
    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 subelem in elem:
            indent(subelem, level+1)
        if not elem.tail or not elem.tail.strip():
            elem.tail = j
    else:
        if level and (not elem.tail or not elem.tail.strip()):
            elem.tail = j
    return elem        

root = ElementTree.parse('/tmp/xmlfile').getroot()
indent(root)
ElementTree.dump(root)

我试图编辑上面“ade”的回答，但在我最初匿名提供反馈后，Stack Overflow不让我编辑。这是一个bug较少的函数版本，用于漂亮地打印一个ElementTree。

def indent(elem, level=0, more_sibs=False):
    i = "\n"
    if level:
        i += (level-1) * '  '
    num_kids = len(elem)
    if num_kids:
        if not elem.text or not elem.text.strip():
            elem.text = i + "  "
            if level:
                elem.text += '  '
        count = 0
        for kid in elem:
            indent(kid, level+1, count < num_kids - 1)
            count += 1
        if not elem.tail or not elem.tail.strip():
            elem.tail = i
            if more_sibs:
                elem.tail += '  '
    else:
        if level and (not elem.tail or not elem.tail.strip()):
            elem.tail = i
            if more_sibs:
                elem.tail += '  '

import xml.dom.minidom

dom = xml.dom.minidom.parse(xml_fname) # or xml.dom.minidom.parseString(xml_string)
pretty_xml_as_string = dom.toprettyxml()