SVGHMI: Add inhibition to widget's apply_hmi_value() so that it does not change variable more frquently than given widget's frequency. This prevents flooding network with many update if browser is producing events at high rate, as for exemple when dragging ScrollBar's cursor.
#!/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