XML日志文件打印到漂亮[重复]答案

【问题标题】：XML log file printing to pretty [duplicate]XML日志文件打印到漂亮[重复]
【发布时间】：2021-10-10 11:54:33
【问题描述】：

我正在尝试使用 XML 结构格式化输出文件。尝试了 xml 和 lxml 但现在没有运气。当前输出文件如下所示：

<root><time>2021-07-28 10:27:49,869 qwer123 instanceA 10.10.10.1 aaaaa/111 ABC DEFAULT</time><modification_request id="11d18Dqwerty" ytrew:qw2="url:qwertyu:qwerty:qwer:qw:qwer:0:0"><version>v_.0156</version><objectclass>objectID</objectclass><identifier qwerty>123321</identifier><modification operation="delete"><valueObject ytrew:qw2="url:qwertyu:qwerty:qwer:qw:qwer:0:0" ytrew:qw2="url:qwertyu:qwerty:qwer:qw:qwer:0:0:type="8"><objectA>123321</objectA></valueObject></modification></qw2:modifyRequest>
<time>2021-07-28 10:27:49,881 qwer123 instanceA 10.10.10.1 aaaaa/111 ABC DEFAULT</time><modification_response id="11d18Dqwerty" ytrew:qw2="url:qwertyu:qwerty:qwer:qw:qwer:0:0"><version>v_.0156</version><objectclass>objectID</objectclass><identifier qwerty>123321</identifier><modification operation="delete"><valueObject ytrew:qw2="url:qwertyu:qwerty:qwer:qw:qwer:0:0" ytrew:qw2="url:qwertyu:qwerty:qwer:qw:qwer:0:0:type="8"><objectA>123321</objectA></valueObject></modification></qw2:modifyRequest>
<time>2021-07-28 10:27:51,834 qwer123 instanceA 10.10.10.1 aaaaa/111 ABC DEFAULT</time><modification_request id="11d18Dqwerty" ytrew:qw2="url:qwertyu:qwerty:qwer:qw:qwer:0:0"><version>v_.0156</version><objectclass>objectID</objectclass><identifier qwerty>123321</identifier><modification operation="delete"><valueObject ytrew:qw2="url:qwertyu:qwerty:qwer:qw:qwer:0:0" ytrew:qw2="url:qwertyu:qwerty:qwer:qw:qwer:0:0:type="8"><objectA>123321</objectA></valueObject></modification></qw2:modifyRequest>
<time>2021-07-28 10:27:51,854 qwer123 instanceA 10.10.10.1 aaaaa/111 ABC DEFAULT</time><modification_response id="11d18Dqwerty" ytrew:qw2="url:qwertyu:qwerty:qwer:qw:qwer:0:0"><version>v_.0156</version><objectclass>objectID</objectclass><identifier qwerty>123321</identifier><modification operation="delete"><valueObject ytrew:qw2="url:qwertyu:qwerty:qwer:qw:qwer:0:0" ytrew:qw2="url:qwertyu:qwerty:qwer:qw:qwer:0:0:type="8"><objectA>123321</objectA></valueObject></modification></qw2:modifyRequest>
<time>2021-07-28 10:27:52,182 qwer123 instanceA 10.10.10.1 aaaaa/111 ABC DEFAULT</time><modification_request id="11d18Dqwerty" ytrew:qw2="url:qwertyu:qwerty:qwer:qw:qwer:0:0"><version>v_.0156</version><objectclass>objectID</objectclass><identifier qwerty>123321</identifier><modification operation="delete"><valueObject ytrew:qw2="url:qwertyu:qwerty:qwer:qw:qwer:0:0" ytrew:qw2="url:qwertyu:qwerty:qwer:qw:qwer:0:0:type="8"><objectA>123321</objectA></valueObject></modification></qw2:modifyRequest>
<time>2021-07-28 10:27:52,201 qwer123 instanceA 10.10.10.1 aaaaa/111 ABC DEFAULT</time><modification_response id="11d18Dqwerty" ytrew:qw2="url:qwertyu:qwerty:qwer:qw:qwer:0:0"><version>v_.0156</version><objectclass>objectID</objectclass><identifier qwerty>123321</identifier><modification operation="delete"><valueObject ytrew:qw2="url:qwertyu:qwerty:qwer:qw:qwer:0:0" ytrew:qw2="url:qwertyu:qwerty:qwer:qw:qwer:0:0:type="8"><objectA>123321</objectA></valueObject></modification></qw2:modifyRequest></root>

在此处使用此代码：

import lxml.etree as etree
xml_input = etree.parse(r'output\output.txt')
print(etree.tostring(xml_input, pretty_print=True),file = open(r'output\output.txt','a'))
file.close()

如何改进此类输入的代码？做错了什么？谢谢大家的建议。

【问题讨论】：

嘿，@mzjn，是的。我现在检查了:)

标签： python-3.x xml lxml pretty-print

【解决方案1】：

不久前提出问题并找到了解决方案。

我从How to pretty print XML from the command line?获取代码

使用 xml.dom.minidom 的地方。

import xml.dom.minidom
with open(r'output\output.txt', 'r+') as file:
   s = file.read()
   pretty = xml.dom.minidom.parseString(s).toprettyxml()
with open(r'output\output.txt', 'w') as writer:
   writer.write(pretty)

现在输出看起来像预期的那样。

【讨论】：