author | Edouard Tisserant <edouard.tisserant@gmail.com> |
Thu, 19 Mar 2020 09:31:07 +0100 | |
branch | svghmi |
changeset 2886 | 6c82fad8be65 |
parent 2311 | bef2b4b87370 |
child 2649 | db68cb0e6bdc |
permissions | -rw-r--r-- |
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#!/usr/bin/env python |
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# -*- coding: utf-8 -*- |
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# This file is part of Beremiz runtime. |
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# |
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# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD |
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# Copyright (C) 2017: Andrey Skvortsov |
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# |
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# See COPYING.Runtime file for copyrights details. |
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# |
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# This library is free software; you can redistribute it and/or |
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# modify it under the terms of the GNU Lesser General Public |
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# License as published by the Free Software Foundation; either |
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# version 2.1 of the License, or (at your option) any later version. |
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# This library is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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# Lesser General Public License for more details. |
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# You should have received a copy of the GNU Lesser General Public |
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# License along with this library; if not, write to the Free Software |
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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from __future__ import absolute_import |
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from __future__ import print_function |
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import os |
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import platform as platform_module |
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from zope.interface import implements |
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from nevow import appserver, inevow, tags, loaders, athena, url, rend |
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from nevow.page import renderer |
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from nevow.static import File |
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from formless import annotate |
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from formless import webform |
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from formless import configurable |
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from twisted.internet import reactor |
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import util.paths as paths |
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from runtime.loglevels import LogLevels, LogLevelsDict |
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PAGE_TITLE = 'Beremiz Runtime Web Interface' |
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xhtml_header = '''<?xml version="1.0" encoding="utf-8"?> |
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" |
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"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> |
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''' |
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WorkingDir = None |
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_PySrv = None |
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class PLCHMI(athena.LiveElement): |
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initialised = False |
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def HMIinitialised(self, result): |
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self.initialised = True |
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def HMIinitialisation(self): |
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self.HMIinitialised(None) |
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class DefaultPLCStartedHMI(PLCHMI): |
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docFactory = loaders.stan( |
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tags.div(render=tags.directive('liveElement'))[ |
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tags.h1["PLC IS NOW STARTED"], |
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]) |
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class PLCStoppedHMI(PLCHMI): |
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docFactory = loaders.stan( |
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tags.div(render=tags.directive('liveElement'))[ |
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tags.h1["PLC IS STOPPED"], |
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]) |
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class MainPage(athena.LiveElement): |
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jsClass = u"WebInterface.PLC" |
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docFactory = loaders.stan( |
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tags.invisible[ |
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tags.div(render=tags.directive('liveElement'))[ |
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tags.div(id='content')[ |
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tags.div(render=tags.directive('PLCElement'))] |
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], |
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tags.a(href='settings')['Settings']]) |
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def __init__(self, *a, **kw): |
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athena.LiveElement.__init__(self, *a, **kw) |
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self.pcl_state = False |
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self.HMI = None |
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self.resetPLCStartedHMI() |
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def setPLCState(self, state): |
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self.pcl_state = state |
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if self.HMI is not None: |
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self.callRemote('updateHMI') |
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def setPLCStartedHMI(self, hmi): |
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self.PLCStartedHMIClass = hmi |
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def resetPLCStartedHMI(self): |
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self.PLCStartedHMIClass = DefaultPLCStartedHMI |
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def getHMI(self): |
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return self.HMI |
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def HMIexec(self, function, *args, **kwargs): |
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if self.HMI is not None: |
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getattr(self.HMI, function, lambda: None)(*args, **kwargs) |
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111 |
athena.expose(HMIexec) |
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|
112 |
|
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|
113 |
def resetHMI(self): |
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self.HMI = None |
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115 |
|
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|
116 |
def PLCElement(self, ctx, data): |
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117 |
return self.getPLCElement() |
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118 |
renderer(PLCElement) |
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119 |
|
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120 |
def getPLCElement(self): |
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self.detachFragmentChildren() |
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122 |
if self.pcl_state: |
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f = self.PLCStartedHMIClass() |
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124 |
else: |
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125 |
f = PLCStoppedHMI() |
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126 |
f.setFragmentParent(self) |
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127 |
self.HMI = f |
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128 |
return f |
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129 |
athena.expose(getPLCElement) |
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|
130 |
|
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|
131 |
def detachFragmentChildren(self): |
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132 |
for child in self.liveFragmentChildren[:]: |
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child.detach() |
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134 |
|
2246 | 135 |
|
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136 |
class ConfigurableBindings(configurable.Configurable): |
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137 |
|
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138 |
def __init__(self): |
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configurable.Configurable.__init__(self, None) |
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self.bindingsNames = [] |
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self.infostringcount = 0 |
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142 |
|
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143 |
def getBindingNames(self, ctx): |
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144 |
return self.bindingsNames |
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|
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146 |
def addInfoString(self, label, value, name=None): |
2267 | 147 |
if isinstance(value, str): |
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def default(*k): |
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return value |
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150 |
else: |
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151 |
def default(*k): |
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152 |
return value() |
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153 |
|
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154 |
if name is None: |
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155 |
name = "_infostring_" + str(self.infostringcount) |
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156 |
self.infostringcount = self.infostringcount + 1 |
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|
157 |
|
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|
158 |
def _bind(ctx): |
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159 |
return annotate.Property( |
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160 |
name, |
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161 |
annotate.String( |
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162 |
label=label, |
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163 |
default=default, |
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164 |
immutable=True)) |
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165 |
setattr(self, 'bind_' + name, _bind) |
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|
166 |
self.bindingsNames.append(name) |
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|
167 |
|
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|
168 |
def addSettings(self, name, desc, fields, btnlabel, callback): |
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169 |
def _bind(ctx): |
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|
170 |
return annotate.MethodBinding( |
2246 | 171 |
'action_' + name, |
2247 | 172 |
annotate.Method( |
173 |
arguments=[ |
|
174 |
annotate.Argument(*field) |
|
175 |
for field in fields], |
|
2246 | 176 |
label=desc), |
177 |
action=btnlabel) |
|
178 |
setattr(self, 'bind_' + name, _bind) |
|
179 |
||
180 |
setattr(self, 'action_' + name, callback) |
|
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|
181 |
|
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|
182 |
self.bindingsNames.append(name) |
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|
183 |
|
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|
184 |
|
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|
185 |
ConfigurableSettings = ConfigurableBindings() |
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|
186 |
|
2246 | 187 |
|
2208 | 188 |
class ISettings(annotate.TypedInterface): |
2246 | 189 |
platform = annotate.String(label=_("Platform"), |
2247 | 190 |
default=platform_module.system() + |
191 |
" " + platform_module.release(), |
|
192 |
immutable=True) |
|
193 |
||
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|
194 |
# TODO version ? |
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|
195 |
|
2247 | 196 |
# pylint: disable=no-self-argument |
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|
197 |
def sendLogMessage( |
2247 | 198 |
ctx=annotate.Context(), |
199 |
level=annotate.Choice(LogLevels, |
|
200 |
required=True, |
|
201 |
label=_("Log message level")), |
|
2246 | 202 |
message=annotate.String(label=_("Message text"))): |
2247 | 203 |
pass |
204 |
||
2246 | 205 |
sendLogMessage = annotate.autocallable(sendLogMessage, |
206 |
label=_( |
|
207 |
"Send a message to the log"), |
|
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|
208 |
action=_("Send")) |
2208 | 209 |
|
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|
210 |
|
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|
211 |
customSettingsURLs = { |
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|
212 |
} |
2208 | 213 |
|
2246 | 214 |
|
2208 | 215 |
class SettingsPage(rend.Page): |
216 |
# We deserve a slash |
|
217 |
addSlash = True |
|
2246 | 218 |
|
2208 | 219 |
# This makes webform_css url answer some default CSS |
220 |
child_webform_css = webform.defaultCSS |
|
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|
221 |
child_webinterface_css = File(paths.AbsNeighbourFile(__file__, 'webinterface.css'), 'text/css') |
2208 | 222 |
|
223 |
implements(ISettings) |
|
224 |
||
225 |
docFactory = loaders.stan([tags.html[ |
|
2267 | 226 |
tags.head[ |
227 |
tags.title[_("Beremiz Runtime Settings")], |
|
228 |
tags.link(rel='stylesheet', |
|
229 |
type='text/css', |
|
230 |
href=url.here.child("webform_css")), |
|
231 |
tags.link(rel='stylesheet', |
|
232 |
type='text/css', |
|
233 |
href=url.here.child("webinterface_css")) |
|
234 |
], |
|
235 |
tags.body[ |
|
236 |
tags.a(href='/')['Back'], |
|
237 |
tags.h1["Runtime settings:"], |
|
238 |
webform.renderForms('staticSettings'), |
|
239 |
tags.h1["Extensions settings:"], |
|
240 |
webform.renderForms('dynamicSettings'), |
|
241 |
]]]) |
|
2208 | 242 |
|
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|
243 |
def configurable_staticSettings(self, ctx): |
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244 |
return configurable.TypedInterfaceConfigurable(self) |
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|
245 |
|
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246 |
def configurable_dynamicSettings(self, ctx): |
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|
247 |
return ConfigurableSettings |
2246 | 248 |
|
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|
249 |
def sendLogMessage(self, level, message, **kwargs): |
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|
250 |
level = LogLevelsDict[level] |
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|
251 |
if _PySrv.plcobj is not None: |
2246 | 252 |
_PySrv.plcobj.LogMessage( |
253 |
level, "Web form log message: " + message) |
|
2208 | 254 |
|
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|
255 |
def locateChild(self, ctx, segments): |
2246 | 256 |
if segments[0] in customSettingsURLs: |
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|
257 |
return customSettingsURLs[segments[0]](ctx, segments) |
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|
258 |
return super(SettingsPage, self).locateChild(ctx, segments) |
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|
259 |
|
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clean-up: fix PEP8 E302 expected 2 blank lines, found 1
Andrey Skvortsov <andrej.skvortzov@gmail.com>
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|
260 |
|
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|
261 |
class WebInterface(athena.LivePage): |
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|
262 |
|
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|
263 |
docFactory = loaders.stan([tags.raw(xhtml_header), |
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|
264 |
tags.html(xmlns="http://www.w3.org/1999/xhtml")[ |
2208 | 265 |
tags.head(render=tags.directive('liveglue'))[ |
266 |
tags.title[PAGE_TITLE], |
|
267 |
tags.link(rel='stylesheet', |
|
2246 | 268 |
type='text/css', |
2208 | 269 |
href=url.here.child("webform_css")) |
270 |
], |
|
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|
271 |
tags.body[ |
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|
272 |
tags.div[ |
2246 | 273 |
tags.div( |
274 |
render=tags.directive( |
|
275 |
"MainPage")), |
|
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]]]]) |
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MainPage = MainPage() |
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PLCHMI = PLCHMI |
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|
2208 | 280 |
def child_settings(self, context): |
281 |
return SettingsPage() |
|
282 |
||
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def __init__(self, plcState=False, *a, **kw): |
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super(WebInterface, self).__init__(*a, **kw) |
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self.jsModules.mapping[u'WebInterface'] = paths.AbsNeighbourFile( |
286 |
__file__, 'webinterface.js') |
|
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self.plcState = plcState |
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self.MainPage.setPLCState(plcState) |
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289 |
|
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def getHMI(self): |
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return self.MainPage.getHMI() |
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|
292 |
|
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def LoadHMI(self, hmi, jsmodules): |
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for name, path in jsmodules.iteritems(): |
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self.jsModules.mapping[name] = os.path.join(WorkingDir, path) |
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self.MainPage.setPLCStartedHMI(hmi) |
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297 |
|
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def UnLoadHMI(self): |
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self.MainPage.resetPLCStartedHMI() |
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300 |
|
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def PLCStarted(self): |
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self.plcState = True |
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self.MainPage.setPLCState(True) |
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|
304 |
|
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|
305 |
def PLCStopped(self): |
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|
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self.plcState = False |
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|
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self.MainPage.setPLCState(False) |
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|
308 |
|
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def renderHTTP(self, ctx): |
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""" |
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|
311 |
Force content type to fit with SVG |
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312 |
""" |
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|
313 |
req = ctx.locate(inevow.IRequest) |
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314 |
req.setHeader('Content-type', 'application/xhtml+xml') |
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|
315 |
return super(WebInterface, self).renderHTTP(ctx) |
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|
316 |
|
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|
317 |
def render_MainPage(self, ctx, data): |
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|
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f = self.MainPage |
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|
319 |
f.setFragmentParent(self) |
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|
320 |
return ctx.tag[f] |
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|
321 |
|
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|
322 |
def child_(self, ctx): |
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|
323 |
self.MainPage.detachFragmentChildren() |
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|
324 |
return WebInterface(plcState=self.plcState) |
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|
325 |
|
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|
326 |
def beforeRender(self, ctx): |
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|
327 |
d = self.notifyOnDisconnect() |
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|
328 |
d.addErrback(self.disconnected) |
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|
329 |
|
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|
330 |
def disconnected(self, reason): |
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331 |
self.MainPage.resetHMI() |
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332 |
# print reason |
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|
333 |
# print "We will be called back when the client disconnects" |
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|
334 |
|
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|
335 |
|
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336 |
def RegisterWebsite(iface, port): |
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website = WebInterface() |
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|
338 |
site = appserver.NevowSite(website) |
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|
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|
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|
340 |
reactor.listenTCP(port, site, interface=iface) |
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341 |
print(_('HTTP interface port :'), port) |
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|
342 |
return website |
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343 |
|
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344 |
|
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|
345 |
class statuslistener(object): |
2246 | 346 |
|
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347 |
def __init__(self, site): |
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|
348 |
self.oldstate = None |
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|
349 |
self.site = site |
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|
350 |
|
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|
351 |
def listen(self, state): |
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|
352 |
if state != self.oldstate: |
1453 | 353 |
action = {'Started': self.site.PLCStarted, |
354 |
'Stopped': self.site.PLCStopped}.get(state, None) |
|
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|
355 |
if action is not None: |
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|
356 |
action() |
1438
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|
357 |
self.oldstate = state |
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|
358 |
|
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|
359 |
|
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|
360 |
def website_statuslistener_factory(site): |
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|
361 |
return statuslistener(site).listen |
2208 | 362 |
|
363 |
||
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|
364 |
def SetServer(pysrv): |
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|
365 |
global _PySrv |
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|
366 |
_PySrv = pysrv |