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doc/manual/connectors_kr.po
author Andrey Skvortsov <andrej.skvortzov@gmail.com>
Fri, 10 Aug 2018 17:45:33 +0300
changeset 2278 a3ac46366b86
parent 1724 fde6ad246866
permissions -rw-r--r--
Dirty fix for error '_object_has_no_attribute_'getSlave' in EtherCAT extension

traceback:
File "/home/developer/WorkData/PLC/beremiz/beremiz/IDEFrame.py", line 1433, in OnPouSelectedChanged
window.RefreshView()
File "/home/developer/WorkData/PLC/beremiz/beremiz/etherlab/ConfigEditor.py", line 837, in RefreshView
self.RefreshProcessVariables()
File "/home/developer/WorkData/PLC/beremiz/beremiz/etherlab/ConfigEditor.py", line 886, in RefreshProcessVariables
slaves = self.Controler.GetSlaves(**self.CurrentNodesFilter)
File "/home/developer/WorkData/PLC/beremiz/beremiz/etherlab/EthercatMaster.py", line 341, in GetSlaves
for slave in self.Config.getConfig().getSlave():
<type 'exceptions.AttributeError'>:_'lxml.etree._Element'_object_has_no_attribute_'getSlave'

Steps to reproduce problem:

- Add new EtherCAT master
- Add new EthercatNode to the master
- double click on


this is looks like dirty hack to fix strange problem with initial[0]
changing its type after returning from _init_ method to lxml.etree._Element
As a result all methods generated by class factory are lost.

For example, in function initMethod initial[0].__class__ points to
xmlclass.xmlclass.Config. After map(self.append, initial)
self.Config.__class__ is 'xmlclass.xmlclass.Config' as well.
But after returning from initMethod (_init) in CreateElement
self.Config.__class__ has changed to lxml.etree._Element.


I've noticed similar behavior if copy/deepcopy is used for any child
of etree.ElementBase. See simple example below.
[-------------------------------------------------------------]
#!/usr/bin/python

from __future__ import print_function
from lxml import etree
import copy

class DefaultElementClass(etree.ElementBase):
def getLocalTag(self):
return etree.QName(self.tag).localname


def printInformation(x):
print(x, x.__class__, "getLocalTag" in dir(x))


a = DefaultElementClass()
printInformation(a)

#
printInformation(copy.copy(a))
printInformation(copy.deepcopy(a))
[-------------------------------------------------------------] 
# SOME DESCRIPTIVE TITLE.
# Copyright (C) is 21st century inquisition
# This file is distributed under the same license as the Beremiz package.
# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
#
#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: Beremiz 1.1\n"
"Report-Msgid-Bugs-To: \n"
"POT-Creation-Date: 2017-08-09 14:06+0300\n"
"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
"Language-Team: LANGUAGE <LL@li.org>\n"
"Language: \n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"

#: ../../manual/connectors.rst:2
msgid "Beremiz and Beremiz_service connectors"
msgstr ""

#: ../../manual/connectors.rst:6
msgid "To connect a PLC, Beremiz provides 2 types of connectors :"
msgstr ""

#: ../../manual/connectors.rst:5
msgid "a Pyro connector"
msgstr ""

#: ../../manual/connectors.rst:6
msgid "a WAMP connector"
msgstr ""

#: ../../manual/connectors.rst:8
msgid ""
"To configure the connection, you have to set the *URI_location* in your "
"project Config tab according to this documentation."
msgstr ""

#: ../../manual/connectors.rst:11
msgid "The Pyro connector"
msgstr ""

#: ../../manual/connectors.rst:13
msgid ""
"Pyro is an advanced and powerful Distributed Object Technology system "
"written entirely in Python. Beremiz_service spawns a Pyro server, serving a "
"PLCObject (see runtime/PLCObject.py). Therefore, Beremiz acts as a Pyro "
"client."
msgstr ""

#: ../../manual/connectors.rst:16
msgid "TODO:: link to PLCObject API documentation"
msgstr ""

#: ../../manual/connectors.rst:22 ../../manual/connectors.rst:105
msgid "URI_location :"
msgstr ""

#: ../../manual/connectors.rst:19
msgid ""
"LOCAL:// is a facility that starts the PLC service locally and connect "
"Beremiz to it via Pyro. This is intended for use in development stage."
msgstr ""

#: ../../manual/connectors.rst:21
msgid ""
"PYRO://<ip:port> normal connection to a remote PLC. PLC default port is 3000."
msgstr ""

#: ../../manual/connectors.rst:22
msgid "PYROS://<ip:port> SSL connection to a remote PLC, see below."
msgstr ""

#: ../../manual/connectors.rst:24
msgid ""
"more information about Pyro can be found on http://pythonhosted.org//Pyro/1-"
"intro.html"
msgstr ""

#: ../../manual/connectors.rst:28
msgid "Setup a Pyro SSL connection"
msgstr ""

#: ../../manual/connectors.rst:30
msgid ""
"Pyro v3 has a limited TLS/SSL support based on m2crypto. Pyro v4 had dropped "
"it. In order to have a full and reliable SSL, we recommand to use a TLS/SSL "
"wrapper as nginx, stub or stunnel."
msgstr ""

#: ../../manual/connectors.rst:35
msgid "TLS-PSK with stunnel"
msgstr ""

#: ../../manual/connectors.rst:37
msgid ""
"In this example, we setup a simple TLS-PSK connection according to rfc4279. "
"This ciphersuite avoid the need for public key operations and certificate "
"management. It is perfect for a performance-constrained environments with "
"limited CPU power as a PLC."
msgstr ""

#: ../../manual/connectors.rst:43
msgid "Needed :"
msgstr ""

#: ../../manual/connectors.rst:43
msgid "stunnel >= 5.09"
msgstr ""

#: ../../manual/connectors.rst:45
msgid "verify openssl support for PSK cipher::"
msgstr ""

#: ../../manual/connectors.rst:51
msgid "Client setup (Beremiz)"
msgstr ""

#: ../../manual/connectors.rst:53
msgid ""
"You need to choose an identity for your client, here *client1*. generate a "
"valid and strong key::"
msgstr ""

#: ../../manual/connectors.rst:58
msgid "write a stunnel client configuration file *stunnel-client.conf*::"
msgstr ""

#: ../../manual/connectors.rst:69
msgid "start stunnel client side::"
msgstr ""

#: ../../manual/connectors.rst:73
msgid ""
"You could now connect beremiz with classic URI_location = "
"PYRO://127.0.0.1:3002"
msgstr ""

#: ../../manual/connectors.rst:77
msgid "Server setup (PLC)"
msgstr ""

#: ../../manual/connectors.rst:79
msgid "import the client key in a keyfile psk.txt, concatening all client key."
msgstr ""

#: ../../manual/connectors.rst:81
msgid "write a stunnel server  configuration file *stunnel-server.conf*::"
msgstr ""

#: ../../manual/connectors.rst:90
msgid "start stunnel server side::"
msgstr ""

#: ../../manual/connectors.rst:94
msgid "more documentation on stunnel http://www.stunnel.org/docs.html"
msgstr ""

#: ../../manual/connectors.rst:97
msgid "The WAMP connector"
msgstr ""

#: ../../manual/connectors.rst:99
msgid ""
"WAMP is an open standard WebSocket subprotocol that provides two application "
"messaging patterns in one unified protocol: Remote Procedure Calls + Publish "
"& Subscribe."
msgstr ""

#: ../../manual/connectors.rst:102
msgid "Beremiz WAMP connector implementation uses Autobahn and crossbar."
msgstr ""

#: ../../manual/connectors.rst:105
msgid "WAMP://127.0.0.1:8888#Automation#2534667845"
msgstr ""

#: ../../manual/connectors.rst:107
msgid "more information about WAMP can be found on http://wamp.ws/"
msgstr ""
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