1 import re
2
3 from lxml import etree
4
5 def indent(elem, level=0):
6 i = "\n" + level*"\t"
7 if len(elem):
8 if not elem.text or not elem.text.strip():
9 elem.text = i + "\t"
10 for e in elem:
11 indent(e, level+1)
12 if not e.tail or not e.tail.strip():
13 e.tail = i
14 if level and (not elem.tail or not elem.tail.strip()):
15 elem.tail = i
16 return elem
17
18
19 file_name = 'lr_xml.txt'
20
21 elems_root = etree.parse(file_name).getroot()
22 final_elem=indent(elems_root)
23 init_content=etree.tostring(final_elem, encoding="utf-8", method="xml")
24
25
26
27 # 每行左对齐
28 regex1 = re.compile("\t")
29 convert_first= re.sub(regex1,"",init_content)
30
31 # 每行开始加上"
32 regex2=re.compile("^<",flags=re.M)
33 convert_second = re.sub(regex2,"\"<",convert_first)
34
35 #每行末尾加上"
36 regex3 = re.compile(">$", flags=re.M)
37 final_content=re.sub(regex3,">\"",convert_second)
38
39 print final_content
