ElementTree 和 unicode [英] ElementTree and unicode

问题描述

我在一个 xml 文件中有这个字符:

<产品><color>fumè</color></产品></数据>

我尝试使用以下代码生成 ElementTree 的实例:

string_data = open('file.xml')x = ElementTree.fromstring(unicode(string_data.encode('utf-8')))

我收到以下错误:

UnicodeEncodeError: 'ascii' codec can't encode character u'xe8' in position 185: ordinal not in range(128)

(注意:位置不准确，我从一个较大的 xml 中采样).

如何解决?谢谢

解决方案

您不需要解码 XML 即可让 ElementTree 工作.XML 携带它自己的编码信息(默认为 UTF-8)，ElementTree 为您完成工作，输出 unicode:

<预><代码>>>>数据 = '''... <数据>... <产品>... <color>fumè</color>... </产品>... </数据>...'''>>>x = ElementTree.fromstring(data)>>>x[0][0].text你'fumxe8'

如果您的数据包含在文件(类似)对象中，只需将文件名或文件对象直接传递给 ElementTree.parse() 函数:

x = ElementTree.parse('file.xml')

I have this char in an xml file:

<data>
  <products>
      <color>fumè</color>
  </product>
</data>

I try to generate an instance of ElementTree with the following code:

string_data = open('file.xml')
x = ElementTree.fromstring(unicode(string_data.encode('utf-8')))

and I get the following error:

UnicodeEncodeError: 'ascii' codec can't encode character u'xe8' in position 185: ordinal not in range(128)

(NOTE: The position is not exact, I sampled the xml from a larger one).

How to solve it? Thanks

解决方案

You do not need to decode XML for ElementTree to work. XML carries it's own encoding information (defaulting to UTF-8) and ElementTree does the work for you, outputting unicode:

>>> data = '''
... <data>
...   <products>
...       <color>fumè</color>
...   </products>
... </data>
... '''
>>> x = ElementTree.fromstring(data)
>>> x[0][0].text
u'fumxe8'

If your data is contained in a file(like) object, just pass the filename or file object directly to the ElementTree.parse() function:

x = ElementTree.parse('file.xml')

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