SVGHMI: Fix browser side exception when some widget are not used, and are then discarded and not present in final SVG. In that case JS code was still making reference to discarded widget elements and was raising exception at init.
#!/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