在python中预打印xml时,如何在中缩进属性?
假设我有如下XML:在python中预打印xml时,如何在中缩进属性?,python,lxml,pretty-print,Python,Lxml,Pretty Print,假设我有如下XML: <graph label="Test" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:cy="http://www.cytoscape.org" xmlns="http://www.cs.rpi.edu/XGMML"
<graph label="Test" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:cy="http://www.cytoscape.org" xmlns="http://www.cs.rpi.edu/XGMML" directed="1">
<foo>...</foo>
</graph>
from lxml import etree
...
def prettyPrintXml(filePath):
assert filePath is not None
parser = etree.XMLParser(resolve_entities=False, remove_blank_text=True,
strip_cdata=False)
document = etree.parse(filePath, parser)
print(etree.tostring(document, pretty_print=True, encoding='utf-8'))
<graph label="Test"
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:cy="http://www.cytoscape.org"
xmlns="http://www.cs.rpi.edu/XGMML" directed="1">
<foo>...</foo>
</graph>
。。。但使用该方法,每个元素都显示在一行上
是否有魔法咒语告诉漂亮的打印机在元素属性之间插入换行符,例如,行长度不超过80个字符
我希望结果如下所示:
<graph label="Test" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:cy="http://www.cytoscape.org" xmlns="http://www.cs.rpi.edu/XGMML" directed="1">
<foo>...</foo>
</graph>
from lxml import etree
...
def prettyPrintXml(filePath):
assert filePath is not None
parser = etree.XMLParser(resolve_entities=False, remove_blank_text=True,
strip_cdata=False)
document = etree.parse(filePath, parser)
print(etree.tostring(document, pretty_print=True, encoding='utf-8'))
<graph label="Test"
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:cy="http://www.cytoscape.org"
xmlns="http://www.cs.rpi.edu/XGMML" directed="1">
<foo>...</foo>
</graph>
...
ps:我不想求助于和
xmllint
lxml
内置了一个漂亮的打印功能:它描述了几种打印xml的方法。不过,它有一些限制(根据lxml,xml规范中有一些限制)
对于漂亮的打印xml,有几种或多或少的黑客解决方案,我认为您至少可以对基于regexp的答案进行建模,以满足您的需要
(关于名声)有一个非常低级的描述,你也可以自定义换行和缩进属性