beremiz

make attribute CFLAGS and LDFLAGS optional and add default empty value

Actually CFLAGS and LDFLAGS are not required and can be empty.
Without default empty value if target platform in project settings was
set to "Linux" CFLAGS and LDFLAGS was initialized with NoneType.
The result was broken build and it wasn't to save/load project with
such settings.

Traceback (most recent call last):
File "/home/developer/WorkData/PLC/beremiz/beremiz/ProjectController.py", line 956, in _Build
if not builder.build() :
File "/home/developer/WorkData/PLC/beremiz/beremiz/targets/toolchain_gcc.py", line 96, in build
Builder_CFLAGS = ' '.join(self.getBuilderCFLAGS())
TypeError: sequence item 0: expected string, NoneType found
import os
from nevow import rend, appserver, inevow, tags, loaders, athena
from nevow.page import renderer
from twisted.python import util
from twisted.internet import reactor
xhtml_header = '''<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
'''
WorkingDir = None
class PLCHMI(athena.LiveElement):
initialised = False
def HMIinitialised(self, result):
self.initialised = True
def HMIinitialisation(self):
self.HMIinitialised(None)
class DefaultPLCStartedHMI(PLCHMI):
docFactory = loaders.stan(tags.div(render=tags.directive('liveElement'))[
tags.h1["PLC IS NOW STARTED"],
])
class PLCStoppedHMI(PLCHMI):
docFactory = loaders.stan(tags.div(render=tags.directive('liveElement'))[
tags.h1["PLC IS STOPPED"],
])
class MainPage(athena.LiveElement):
jsClass = u"WebInterface.PLC"
docFactory = loaders.stan(tags.div(render=tags.directive('liveElement'))[
tags.div(id='content')[
tags.div(render = tags.directive('PLCElement')),
]])
def __init__(self, *a, **kw):
athena.LiveElement.__init__(self, *a, **kw)
self.pcl_state = False
self.HMI = None
self.resetPLCStartedHMI()
def setPLCState(self, state):
self.pcl_state = state
if self.HMI is not None:
self.callRemote('updateHMI')
def setPLCStartedHMI(self, hmi):
self.PLCStartedHMIClass = hmi
def resetPLCStartedHMI(self):
self.PLCStartedHMIClass = DefaultPLCStartedHMI
def getHMI(self):
return self.HMI
def HMIexec(self, function, *args, **kwargs):
if self.HMI is not None:
getattr(self.HMI, function, lambda:None)(*args, **kwargs)
athena.expose(HMIexec)
def resetHMI(self):
self.HMI = None
def PLCElement(self, ctx, data):
return self.getPLCElement()
renderer(PLCElement)
def getPLCElement(self):
self.detachFragmentChildren()
if self.pcl_state:
f = self.PLCStartedHMIClass()
else:
f = PLCStoppedHMI()
f.setFragmentParent(self)
self.HMI = f
return f
athena.expose(getPLCElement)
def detachFragmentChildren(self):
for child in self.liveFragmentChildren[:]:
child.detach()
class WebInterface(athena.LivePage):
docFactory = loaders.stan([tags.raw(xhtml_header),
tags.html(xmlns="http://www.w3.org/1999/xhtml")[
tags.head(render=tags.directive('liveglue')),
tags.body[
tags.div[
tags.div( render = tags.directive( "MainPage" ))
]]]])
MainPage = MainPage()
PLCHMI = PLCHMI
def __init__(self, plcState=False, *a, **kw):
super(WebInterface, self).__init__(*a, **kw)
self.jsModules.mapping[u'WebInterface'] = util.sibpath(__file__, 'webinterface.js')
self.plcState = plcState
self.MainPage.setPLCState(plcState)
def getHMI(self):
return self.MainPage.getHMI()
def LoadHMI(self, hmi, jsmodules):
for name, path in jsmodules.iteritems():
self.jsModules.mapping[name] = os.path.join(WorkingDir, path)
self.MainPage.setPLCStartedHMI(hmi)
def UnLoadHMI(self):
self.MainPage.resetPLCStartedHMI()
def PLCStarted(self):
self.plcState = True
self.MainPage.setPLCState(True)
def PLCStopped(self):
self.plcState = False
self.MainPage.setPLCState(False)
def renderHTTP(self, ctx):
"""
Force content type to fit with SVG
"""
req = inevow.IRequest(ctx)
req.setHeader('Content-type', 'application/xhtml+xml')
return super(WebInterface, self).renderHTTP(ctx)
def render_MainPage(self, ctx, data):
f = self.MainPage
f.setFragmentParent(self)
return ctx.tag[f]
def child_(self, ctx):
self.MainPage.detachFragmentChildren()
return WebInterface(plcState=self.plcState)
def beforeRender(self, ctx):
d = self.notifyOnDisconnect()
d.addErrback(self.disconnected)
def disconnected(self, reason):
self.MainPage.resetHMI()
#print reason
#print "We will be called back when the client disconnects"
def RegisterWebsite(port):
website = WebInterface()
site = appserver.NevowSite(website)
listening = False
reactor.listenTCP(port, site)
print "Http interface port :",port
return website
class statuslistener:
def __init__(self, site):
self.oldstate = None
self.site = site
def listen(self, state):
if state != self.oldstate:
action = {'Started': self.site.PLCStarted,
'Stopped': self.site.PLCStopped}.get(state, None)
if action is not None: action ()
self.oldstate = state
def website_statuslistener_factory(site):
return statuslistener(site).listen