Jack Fleeting
2020-11-30 22:16:34
我不了解属性文件，但是就xml而言，你可以尝试以下操作：
from lxml import etree
conf = """[your xml above]"""
input = "Dev"
doc = etree.XML(conf)
# to load from a file, try: etree.parse(r'path_to_file\file_name.xml')
spath = f"//env[@name='{input}']"
#the above uses f-strings to create the xpath search expression: see https://realpython.com/python-f-strings/
for dev in doc.xpath(spath):
u_name = dev.xpath('./username/text()')[0]
pw = dev.xpath('./password/text()')[0]
url= dev.xpath('./url/text()')[0]
u_name,pw,url
输出：
('oracle', 'welcome', 'devHost:1521')
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Mamba is a new state space model architecture showing promising performance on information-dense data such as language modeling, where previous subquadratic models fall short of Transformers. It is based on the line of progress on structured state space models, with an efficient hardware-aware design and implementation in the spirit of FlashAttention.
(翻译：Mamba 是一种新的状态空间模型架构，在信息密集型数据（例如语言建模）上显示出良好的性能，而之前的二次模型在 Transformers 方面存在不足。它基于结构化状态空间模型的进展，并本着FlashAttention的精神进行高效的硬件感知设计和实现。)
谢谢你。如何在此程序中导入外部xml文件？以及如何为找不到元素的情况添加功能？“ f” // env [@name ='{input}']“”行有什么作用？
@Subbu在编辑后的答案中查看新评论。
那对我有用。谢谢。
@Subbu很高兴为您工作！