import lxml.etree
from gzip import open as gopen
class GroupDictTarget(object):
def __init__(self, d):
self.d = d
def start(self, tag, attrib):
if tag == 'group':
self.group = self.d[attrib['from'], attrib['to']] = []
elif tag == 'link':
self.group.append(attrib['target'])
def close(self):
pass
def extractTargets(fin):
with gopen(fin) as xml:
targets = {}
parser = lxml.etree.XMLParser(target=GroupDictTarget(targets))
lxml.etree.parse(xml, parser)
return targets
在xml.parsers.expat在
^{pr2}$
在xml.sax文件在
import xml.sax
from gzip import open as gopen
class GroupDictTarget(object):
# Same as above
def extractTargets(fin):
targets = {}
handler = xml.sax.handler.ContentHandler()
handler.startElement = GroupDictTarget(targets).start
with gopen(fin) as f:
xml.sax.parse(f, handler)
return targets
context = etree.iterparse(xml)
for event, elem in context:
if elem.tag = "group":
targets[(elem.get("from"), elem.get("to"))] = elem.xpath("link/@target")
elem.clear()
while elem.getprevious() is not None:
del elem.getparent()[0]
del context
尝试以下代码:
在lxml.etree在
在xml.parsers.expat在
^{pr2}$在xml.sax文件在
我今天也遇到了同样的问题,在我删除了“tag”参数之后,它就起作用了:
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