如何使用Python的ElementTree在属性名称中转义冒号？ [英] How do I escape colons in an attribute name with Python's ElementTree?

问题描述

我正在Python 2.6版中使用ElementTree创建XML文件（使用从数据库中检索到的数据）。

I am using ElementTree in Python version 2.6 to create an XML file (using data retrieved from a database).

下面的代码行是问题区域，因为由于属性名中的冒号，我不断出现语法错误。

The following line of code is the problem area, as I keep getting a syntax error because of the colons within my attribute names.

# Please ignore any errors the "^" characters would cause if they were
# actually part of my code - just using them as placeholders.

root = ET.Element("databaseConfiguration", xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance",
                                                ^
                  xsi:noNamespaceSchemaLocation="database.xsd")
                     ^

问题

为了使 root 等效于以下内容，最有效的方法是在这些属性名称中转义冒号：

Question

What is the most efficient way to escape the colons in these attribute names in order to have root equivalent to the following:

< databaseConfiguration xmlns：xsi = http://www.w3.org/2001/XMLSchema-instance xsi：noNamespaceSchemaLocation = database.xsd />

我在堆栈溢出（例如 solution1 ， solution2 ，solution3 和解决方案4 ），但我似乎无法将这些修补程序解释为可用于写入XML的修补程序。

I've looked at a few solutions on Stack Overflow (e.g. solution1, solution2, solution3 and solution4) where users were parsing an XML file, but I cannot seem to interpret these fixes as ones that would work for writing to an XML.

谢谢！

推荐答案

可能对您有用。
从链接

>>> root = ET.Element("databaseConfiguration", {"xmlns:xsi":"http://www.w3.org/2001/XMLSchema-instance", "xsi:noNamespaceSchemaLocation":"database.xsd"})
>>> 

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