/usr/lib/python2.7/dist-packages/stetl/filters/xsltfilter.py is in python-stetl 1.1+ds-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | #!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Transformation of an etree doc with XSLT.
#
# Author:Just van den Broecke
from stetl.util import Util, etree
from stetl.filter import Filter
from stetl.packet import FORMAT
log = Util.get_log("xsltfilter")
class XsltFilter(Filter):
"""
Invokes XSLT processor (via lxml) for given XSLT script on an etree doc.
consumes=FORMAT.etree_doc, produces=FORMAT.etree_doc
"""
# Constructor
def __init__(self, configdict, section):
Filter.__init__(self, configdict, section, consumes=FORMAT.etree_doc, produces=FORMAT.etree_doc)
self.xslt_file_path = self.cfg.get('script')
self.xslt_file = open(self.xslt_file_path, 'r')
# Parse XSLT file only once
self.xslt_doc = etree.parse(self.xslt_file)
self.xslt_obj = etree.XSLT(self.xslt_doc)
self.xslt_file.close()
def invoke(self, packet):
if packet.data is None:
return packet
return self.transform(packet)
def transform(self, packet):
packet.data = self.xslt_obj(packet.data)
log.info("XSLT Transform OK")
return packet
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