XSLTransform.py
author Edouard Tisserant
Wed, 13 Jan 2021 10:28:09 +0100
branchsvghmi
changeset 3109 6c39d718e8cb
parent 2834 6ac6a9dff594
child 3165 2db69e2c5673
permissions -rw-r--r--
Removed harmful assert in ProcessLogger.

ProcessLogger was having an assert in constructor when missing logger, leading to systematic exception when testing options accepted by compiler. This exception was silenced in ProjectController, and then MatIEC was always called without options.
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# This file is part of Beremiz.
# See COPYING file for copyrights details.

from __future__ import absolute_import
from lxml import etree

class XSLTransform(object):
    """ a class to handle XSLT queries on project and libs """
    def __init__(self, xsltpath, xsltext):

        # parse and compile. "beremiz" arbitrary namespace for extensions
        self.xslt = etree.XSLT(
            etree.parse(
                xsltpath,
                etree.XMLParser()),
            extensions={("beremiz", name): call for name, call in xsltext})

    def transform(self, root, **kwargs):
        res = self.xslt(root, **{k: etree.XSLT.strparam(v) for k, v in kwargs.iteritems()})
        # print(self.xslt.error_log)
        return res

    def get_error_log(self):
        return self.xslt.error_log