def __init__( self, basedir ):
self.builder = gtk.Builder()
self.builder.add_from_file( builder_file )
self.config = TermoConfig( basedir + "config.db" )
self.mode = self.config.get( "mode", default_mode )
self.builder.get_object( "radio%s" % self.mode ).set_active( True )
self.scales = []
for i in range( 24 ):
scale = self.builder.get_object( "vscale%s" % i )
scale.set_value( self.config.get( "temp_%s" % i, 0 ) )
self.scales.append( scale )
self.builder.connect_signals( self )
# collegati alla caldaia
self.switch = TermoSwitch()
self.update_switch_ui()
# crea il thread del termometro
# specifica la callback
self.feed = TermoFeed( self.got_point )
self.feed.start()
# apre/crea lo storico
self.storico = TermoStory( basedir + "storico.db" )
# crea il grafico
self.figure = Figure()
self.canvas = FigureCanvas( self.figure )
# crea asse temperatura
self.temp_axes = self.figure.add_subplot( 111 )
self.temp_axes.xaxis.set_major_locator( matplotlib.dates.HourLocator() )
self.temp_axes.xaxis.set_minor_locator( matplotlib.dates.MinuteLocator() )
self.temp_axes.xaxis.set_major_formatter( matplotlib.dates.DateFormatter( '%H' ) )
self.temp_axes.set_ylabel( u"Temperatura", color="m" )
self.temp_axes.yaxis.set_major_formatter( temp_formatter )
self.temp_axes.grid( True )
# crea asse umidita
self.umid_axes = self.temp_axes.twinx()
self.umid_axes.xaxis.set_major_locator( matplotlib.dates.HourLocator() )
self.umid_axes.xaxis.set_minor_locator( matplotlib.dates.MinuteLocator() )
self.umid_axes.xaxis.set_major_formatter( matplotlib.dates.DateFormatter( '%H' ) )
self.umid_axes.set_ylabel( u"Umidità", color= "c" )
self.umid_axes.yaxis.set_major_formatter( umid_formatter )
self.umid_axes.grid( True )
# crea linee
self.temp_line = self.temp_axes.plot( [], [], "m" )[0]
self.umid_line = self.umid_axes.plot( [], [], "c", alpha=0.5 )[0]
self.switch_collection = None
self.update_plot()
hbox2 = self.builder.get_object( "hbox2" )
hbox2.add( self.canvas )
# partiamo
self.builder.get_object( "window1" ).show_all()
class TermoGUI( object ):
def __init__( self, basedir ):
self.builder = gtk.Builder()
self.builder.add_from_file( builder_file )
self.config = TermoConfig( basedir + "config.db" )
self.mode = self.config.get( "mode", default_mode )
self.builder.get_object( "radio%s" % self.mode ).set_active( True )
self.scales = []
for i in range( 24 ):
scale = self.builder.get_object( "vscale%s" % i )
scale.set_value( self.config.get( "temp_%s" % i, 0 ) )
self.scales.append( scale )
self.builder.connect_signals( self )
# collegati alla caldaia
self.switch = TermoSwitch()
self.update_switch_ui()
# crea il thread del termometro
# specifica la callback
self.feed = TermoFeed( self.got_point )
self.feed.start()
# apre/crea lo storico
self.storico = TermoStory( basedir + "storico.db" )
# crea il grafico
self.figure = Figure()
self.canvas = FigureCanvas( self.figure )
# crea asse temperatura
self.temp_axes = self.figure.add_subplot( 111 )
self.temp_axes.xaxis.set_major_locator( matplotlib.dates.HourLocator() )
self.temp_axes.xaxis.set_minor_locator( matplotlib.dates.MinuteLocator() )
self.temp_axes.xaxis.set_major_formatter( matplotlib.dates.DateFormatter( '%H' ) )
self.temp_axes.set_ylabel( u"Temperatura", color="m" )
self.temp_axes.yaxis.set_major_formatter( temp_formatter )
self.temp_axes.grid( True )
# crea asse umidita
self.umid_axes = self.temp_axes.twinx()
self.umid_axes.xaxis.set_major_locator( matplotlib.dates.HourLocator() )
self.umid_axes.xaxis.set_minor_locator( matplotlib.dates.MinuteLocator() )
self.umid_axes.xaxis.set_major_formatter( matplotlib.dates.DateFormatter( '%H' ) )
self.umid_axes.set_ylabel( u"Umidità", color= "c" )
self.umid_axes.yaxis.set_major_formatter( umid_formatter )
self.umid_axes.grid( True )
# crea linee
self.temp_line = self.temp_axes.plot( [], [], "m" )[0]
self.umid_line = self.umid_axes.plot( [], [], "c", alpha=0.5 )[0]
self.switch_collection = None
self.update_plot()
hbox2 = self.builder.get_object( "hbox2" )
hbox2.add( self.canvas )
# partiamo
self.builder.get_object( "window1" ).show_all()
def on_mode_toggled( self, radio ):
""" è stata cambiata la modalità..
"""
for mode in modes:
radio = self.builder.get_object( "radio%s" % mode )
if radio.get_active():
self.mode = mode
self.config.set( "mode", mode )
break
# impostato su acceso/spento -> spegniamo/accendiamo il riscaldamento
if mode == "acceso":
self.switch.set_state( True )
elif mode == "spento":
self.switch.set_state( False )
def on_vscale_value_changed( self, scale ):
""" uno degli slider è stato spostato..
"""
for idx, obj in enumerate( self.scales ):
if obj == scale:
self.config.set( "temp_%s" % idx, scale.get_value() )
break
else:
raise Exception( "VScale non trovato" )
def got_point( self, temp, umid ):
""" abbiamo ricevuto una misurazione dal termometro..
"""
# popola lo storico
self.storico.add( temp, umid, self.switch.get_state() )
# pilota la caldaia..
if self.mode == "programmato":
hh = datetime.datetime.now().hour
temp_prog = self.config.get( "temp_%s" % hh, 0 )
# versione grezza
# temperatura attuale +- tolleranza -> attacca e stacca
# utilizziamo solo la sicurezza interna dello switch
if temp < temp_prog - tolleranza:
self.switch.set_state( True )
elif temp > temp_prog + tolleranza:
self.switch.set_state( False )
elif self.mode == "acceso":
self.switch.set_state( True )
elif self.mode == "spento":
self.switch.set_state( False )
# aggiorna la UI
self.update_temp_umid( temp, umid )
self.update_switch_ui()
def update_switch_ui( self ):
""" leggi lo stato dello switch e aggiorna la UI
"""
label = self.builder.get_object( "label_switch" )
state = self.switch.get_state()
if state == None:
label.set_text( "N/A" )
elif state:
label.set_text( "Il riscaldamento è ACCESO" )
else:
label.set_text( "Il riscaldamento è SPENTO" )
def update_plot( self ):
""" leggi lo storico e aggiorna i grafici
"""
dmax = datetime.datetime.now() + graph_margin
dmin = dmax - ( graph_width + graph_margin )
dates, temp, umid, switch = self.storico.search( dmin, dmax )
mpldates = [ matplotlib.dates.date2num( date ) for date in dates ]
mpldmin = matplotlib.dates.date2num( dmin )
mpldmax = matplotlib.dates.date2num( dmax )
if temp:
# grafico delle temperature
mintemp = min(temp)*0.999
maxtemp = max(temp)*1.001
self.temp_line.set_data( mpldates, temp )
self.temp_axes.set_ylim( mintemp, maxtemp )
self.temp_axes.set_xlim( mpldmin, mpldmax )
# span della caldaia
if self.switch_collection:
self.switch_collection.remove()
self.switch_collection = matplotlib.collections.BrokenBarHCollection.span_where(
mpldates, ymin=mintemp, ymax=maxtemp, where=switch, facecolor='red', alpha=0.1, linewidths=0 )
self.temp_axes.add_collection( self.switch_collection )
if umid:
# grafico delle umidita (asse x condivisa)
minumid = min(umid)*0.999
maxumid = max(umid)*1.001
self.umid_line.set_data( mpldates, umid )
self.umid_axes.set_ylim( minumid, maxumid )
self.umid_axes.set_xlim( mpldmin, mpldmax )
self.canvas.draw()
def update_temp_umid( self, temp, umid ):
""" aggiorna le label della temperatura e umidità attuali
"""
gtk.gdk.threads_enter()
self.builder.get_object( "label_temp" ).set_text( fmt_temp( temp ) )
self.builder.get_object( "label_umid" ).set_text( fmt_umid( umid ) )
self.update_plot()
gtk.gdk.threads_leave()
def on_window1_destroy( self, widget, data=None ):
""" uscita dal programma
"""
self.storico.save()
self.config.save()
self.feed.stop()
gtk.main_quit()