Source Repository for "Grüne Signale" (Fork von netzbegruenung/green-signals)
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#! /bin/python3
import os
import subprocess
import sys
import tkinter as tk
from tkinter import messagebox
import time
# imporrt the standard to read and write config files
import configparser
#list of required modules
modules=list()
try:
import vlc
except:
modules.append("python-vlc")
master=None
# try:
# import crontab
# except:
# modules.append("python-crontab")
def createAutostart():
'''
create the auto start file gruene_signale.desktop in $HOME/.config/autostart/
also create intermediate paths if the do not exist
when the file already exists, nothing is done
'''
autostartfile = os.path.expanduser("~/.config/autostart/gruene_signale.desktop")
whereami = os.path.dirname(os.path.realpath(__file__))
contents = """[Desktop Entry]
Type=Application
Name=Green Signals Autostart
Comment=Starten der Slideshow von Gruene Signale
NoDisplay=false
Exec=sh -c 'cd %(path)s && /bin/python3 gruene_signale.py'
"""
if os.path.isfile(autostartfile) == False:
if os.path.exists(os.path.dirname(autostartfile)) == False:
os.makedirs(os.path.dirname(autostartfile))
file=open(autostartfile,"w")
file.write(contents%{'path':whereami})
file.close()
def removeAutostart():
'''
check if the auto start file exists, and if it does, remove it
'''
autostartfile = os.path.expanduser("~/.config/autostart/gruene_signale.desktop")
if os.path.isfile(autostartfile) == True:
os.remove(autostartfile)
def checkAutostartfile():
'''
check if the auto start file gruene_signale.desktop already exists
returns True, if it does, False if not
'''
autostartfile = os.path.expanduser("~/.config/autostart/gruene_signale.desktop")
return int(os.path.isfile(autostartfile))
def installModules():
global modules
failed=list()
for module in modules:
try:
#subprocess.check_call(["sleep", "5"])
subprocess.check_call([sys.executable, "-m", "pip", "install", module])
except:
print("install module %s failed" % module)
failed.append(module)
modules=failed
#the main window
try:
master=tk.Tk()
except:
if len(sys.argv)>1:
# started from command line with arguments
if "modinst" in sys.argv:
installModules()
print("Die Module wurden erfolgreich installiert.")
if "autostart" in sys.argv:
createAutostart()
print("Das Autostart-Objekt wurde erstellt.")
if "noautostart" in sys.argv:
removeAutostart()
print("Das Autostart-Objekt wurde entfernt.")
else:
print("Es ist ein Tcl-Fehler aufgetreten. Das Skript muss im Desktop-Modus gestartet werden.")
print("""Folgende Kommandos sind erlaubt:
modinst: wenn notwendig werden fehlende Python Module installiert
autostart: Das Autostart-Objekt wird geschrieben
noautostart: Das Autostart-Objekt wird entfernt
Die weiteren Enstellungen koennen in der Datei gruene-signal.conf angepasst werden.""")
exit(0)
#init variables used in config file and some other places
doAutostart=tk.IntVar()
bild_dauer=tk.IntVar()
DEBUG_PREVIEW=tk.IntVar()
localPath=tk.StringVar()
remoteURL=tk.StringVar()
energyMode=tk.IntVar()
energyStart=tk.StringVar()
energyStop=tk.StringVar()
#when setup can't find the conf file, inited is set to True
inited = False
#URL for the Intro-Screens, use as default, if conf is inited
introURL="https://wolke.netzbegruenung.de/s/2TPGWN5FtWYy2d8/download"
#set "dirty" flag to False
#any change should set it to True, so we can ask on quit to save data
isDirty=False
class Popup(tk.Toplevel):
"""modal window requires a master"""
def __init__(self, master, **kwargs):
geo = '%(w)dx%(h)d+%(x)d+%(y)d' % {'x':master.winfo_x()+4,'y':master.winfo_y()+4,'w':master.winfo_width()-8,'h':master.winfo_height()-8}
print(geo)
tk.Toplevel.__init__(self, master, **kwargs)
self.overrideredirect(True)
self.geometry(geo) # set the position and size of the popup
self.configure(bg="DarkSeaGreen1")
lbl = tk.Label(self, text="Module werden installiert.",bg="DarkSeaGreen1")
lbl.place(relx=.5, rely=.5, anchor='c')
# The following commands keep the popup on top.
# Remove these if you want a program with 2 responding windows.
# These commands must be at the end of __init__
self.transient(master) # set to be on top of the main window
self.grab_set() # hijack all commands from the master (clicks on the main window are ignored)
def open_popup():
if master != None:
print("OPEN POPUP")
master.popup = Popup(master)
master.update()
def close_popup():
if master != None:
master.popup.destroy()
master.update()
def installModulesGUI(i=0,event=None):
global modules
open_popup()
installModules()
close_popup()
if len(modules)==0:
master.installButton.configure(bg="pale green")
master.installButton.configure(state='disabled')
master.installButton.configure(text='bereits installiert.')
def validateTimeFields(input,newchar,action,name):
if action == "focusout":
if ":" in input:
hour=int(input.split(":")[0])
minute=int(input.split(":")[1])
if hour < 0 or hour > 23 or minute < 0 or minute > 59:
messagebox.showerror("Eingabefehler", "Bitte geben sie eine gueltige Uhrzeit ein oder die Anzahl der Stunden mit vorangestelltem -")
master.nametowidget(name).focus()
return False
else:
print(name)
if ".start" in name:
energyStart.set("%(h)d:%(m)02d" % {'h':hour, 'm':minute})
elif ".stop" in name:
energyStop.set("%(h)d:%(m)02d" % {'h':hour, 'm':minute})
return True
if newchar == "-" and len(input) < 2:
setDirty()
return True
elif len(input)>0 and input[0] == "-" and newchar in "0123456789":
setDirty()
return True
elif newchar not in '01234567890:.':
return False
if action != "forced":
setDirty()
return True;
def setDirty(action=None, ign=None):
#this is called for buttons etc.
global isDirty
#print("setDirty() called", sys._getframe().f_back.f_code.co_name, "###", action, "###", ign)
isDirty = True
return True
def setEntryDirty(action=None, ign=None):
#this gets called
global isDirty
#print("setDirty() called", sys._getframe().f_back.f_code.co_name, "###", action, "###", ign)
if action != None and int(action) >= 0:
isDirty = True
return True
def readConfig(configFile=None):
global bild_dauer, DEBUG_PREVIEW, localPath, remoteURL, isDirty, inited
global energyStart, energyStop, energyMode
if configFile == None:
configFile = os.path.dirname(os.path.realpath(__file__)) + os.sep + "gruene_signale.conf"
if os.path.exists(configFile) == False:
inited = True
config = configparser.ConfigParser()
config.read(configFile)
#read bild - dauer
try:
bild_dauer.set(int(config.get('bilder', 'dauer')))
except:
bild_dauer.set(10)
isDirty = True
#read debug - preview
try:
val = config.get('debug', 'preview')
except:
val = "0"
if val == "1":
DEBUG_PREVIEW.set(1)
#read pfad - lokal
try:
val = os.path.realpath(config.get('pfad', 'lokal'))
except:
val = os.path.dirname(os.path.realpath(__file__)) + os.sep + "slideshow"
localPath.set(val)
#try to read the remote URL, if not given, work offline
try:
val = config.get('pfad', 'remote')
remoteURL.set(val)
except:
val = None
remoteURL.set("")
#read energ - mode
try:
energyMode.set(int(config.get('energy','mode')))
except:
energyMode.set(0)
#read energy - start
try:
val = config.get('energy', 'start')
except:
val = ""
energyStart.set(val)
#read energy - stop
try:
val = config.get('energy', 'stop')
except:
val = ""
energyStop.set(val)
def writeConfig(configFile=None):
if configFile == None:
configFile = os.path.dirname(os.path.realpath(__file__)) + os.sep + "gruene_signale.conf"
config = configparser.ConfigParser()
config.read(configFile)
required_sections = ['bilder','filme','pfad','debug','energy']
for sect in required_sections:
if sect not in config.sections():
config.add_section( sect )
config.set('bilder','dauer',"%d" % bild_dauer.get())
config.set('debug', 'preview',"%d" % DEBUG_PREVIEW.get())
config.set('pfad', 'lokal',localPath.get().strip())
config.set('pfad', 'remote',remoteURL.get().strip())
config.set('energy', 'mode', "%d" % energyMode.get())
config.set('energy', 'start', energyStart.get())
config.set('energy', 'stop', energyStop.get())
with open(configFile, 'w') as file:
config.write(file)
def save():
global isDirty,inited
if isDirty == False:
return;
writeConfig()
if checkAutostartfile() == 1 and doAutostart.get() == 0:
removeAutostart()
if checkAutostartfile() == 0 and doAutostart.get() == 1:
createAutostart()
isDirty=False
inited=False
def quit():
if isDirty == True:
result = messagebox.askyesno("ungesicherte Daten","Sollen die Einstellungen vor dem Beenden gespeichert werden?")
if result:
save()
master.destroy()
exit(0)
def buildGUI_1():
#add button or notification if Python modules (see above) needs to be installed
row=tk.Frame(master,bd=1,relief=tk.SUNKEN)
lab=tk.Label(row,text="Python Module",width=30,anchor='w')
if len(modules) == 0:
obj=tk.Button(row,text="bereits installiert",bg="pale green",state='disabled')
else:
obj=tk.Button(row,text="Installieren",command=installModulesGUI,fg="red")
master.installButton = obj
row.pack(side=tk.TOP,padx=dx,pady=dy,expand=tk.YES,fill=tk.X)
lab.pack(side=tk.LEFT,pady=dy,padx=dx)
obj.pack(side=tk.RIGHT,expand=tk.YES,fill=tk.X,padx=dx)
def buildGUI_2():
#add autostart checkbox
doAutostart.set(checkAutostartfile())
row=tk.Frame(master,bd=1,relief=tk.SUNKEN)
lab=tk.Label(row,text="Gruene Signale automatisch starten",width=30,anchor='w')
obj=tk.Checkbutton(row,text="aktiv",variable=doAutostart,command=setDirty)
row.pack(side=tk.TOP,padx=dx,pady=dy,expand=tk.YES,fill=tk.X)
lab.pack(side=tk.LEFT,pady=dy,padx=dx)
obj.pack(side=tk.RIGHT,expand=tk.YES,fill=tk.X,padx=dx)
def buildGUI_3():
#add entry field for local path
row=tk.Frame(master,bd=1,relief=tk.SUNKEN)
lab=tk.Label(row,text="lokaler Pfad",width=30,anchor='w')
obj=tk.Entry(row,textvariable=localPath,validate="key",validatecommand=(anyEntryCallback, '%d', '%P'))
row.pack(side=tk.TOP,padx=dx,pady=dy,expand=tk.YES,fill=tk.X)
lab.pack(side=tk.LEFT,pady=dy,padx=dx)
obj.pack(side=tk.RIGHT,expand=tk.YES,fill=tk.X,padx=dx)
def buildGUI_4():
#add entry field for remoteURL
row=tk.Frame(master,bd=1,relief=tk.SUNKEN)
lab=tk.Label(row,text="Remote-URL (wenn leer: Offline-Modus)",width=30,anchor='w')
if inited == True:
remoteURL.set(introURL)
obj=tk.Entry(row,textvariable=remoteURL,validate="key",validatecommand=(anyEntryCallback, '%d','%P'))
row.pack(side=tk.TOP,padx=dx,pady=dy,expand=tk.YES,fill=tk.X)
lab.pack(side=tk.LEFT,pady=dy,padx=dx)
obj.pack(side=tk.RIGHT,expand=tk.YES,fill=tk.X,padx=dx)
def buildGUI_5():
#add scale widget for duration
row=tk.Frame(master,bd=1,relief=tk.SUNKEN)
lab=tk.Label(row,text="Anzeigedauer der Bilder (Sekunden)",width=30,anchor='w')
obj=tk.Scale(row,from_=5,to=120,variable=bild_dauer,orient=tk.HORIZONTAL,command=setDirty)
row.pack(side=tk.TOP,padx=dx,pady=dy,expand=tk.YES,fill=tk.X)
lab.pack(side=tk.LEFT,pady=dy,padx=dx)
obj.pack(side=tk.RIGHT,expand=tk.YES,fill=tk.X,padx=dx)
def buildGUI_6():
#MARK: add controls for energy savings
row1=tk.Frame(master,bd=1,relief=tk.SUNKEN)
row1.pack(side=tk.TOP,padx=dx,pady=dy,expand=tk.YES,fill=tk.X)
row2=tk.Frame(row1,bd=1,relief=tk.FLAT)
row2.pack(side=tk.TOP,padx=dx,pady=dy,expand=tk.YES,fill=tk.X)
row3=tk.Frame(row1,bd=1,relief=tk.FLAT)
row3.pack(side=tk.TOP,padx=dx,pady=dy,expand=tk.YES,fill=tk.X)
row4=tk.Frame(row1,bd=1,relief=tk.FLAT)
row4.pack(side=tk.TOP,padx=dx,pady=dy,expand=tk.YES,fill=tk.X)
lab=tk.Label(row2,text="Energiesparoptionen",width=30,anchor='w')
obj0=tk.Radiobutton(row2,text="ohne",variable=energyMode,command=setDirty,value=0)
obj1=tk.Radiobutton(row2,text="RasPi ausschalten",variable=energyMode,command=setDirty,value=1)
obj2=tk.Radiobutton(row2,text="Monitor deaktivieren",variable=energyMode,command=setDirty,value=2)
lab.pack(side=tk.LEFT,pady=dy,padx=dx)
obj2.pack(side=tk.RIGHT,expand=tk.YES,fill=tk.X,padx=dx)
obj1.pack(side=tk.RIGHT,expand=tk.YES,fill=tk.X,padx=dx)
obj0.pack(side=tk.RIGHT,expand=tk.YES,fill=tk.X,padx=dx)
lab=tk.Label(row3,text="",width=30,anchor='w')
lab.pack(side=tk.LEFT,pady=dy,padx=dx)
lab=tk.Label(row3,text="um",width=3,anchor='w')
lab.pack(side=tk.LEFT,pady=dy,padx=dx)
obj1=tk.Entry(row3,name="start",textvariable=energyStart,validate="all",validatecommand=(timeEntryCallback, '%P','%S', "%V", "%W"))
obj1.pack(side=tk.LEFT,fill=tk.X,padx=dx)
lab=tk.Label(row3,text="bis",width=3,anchor='w')
lab.pack(side=tk.LEFT,pady=dy,padx=dx)
obj2=tk.Entry(row3,name="stop",textvariable=energyStop,validate="all",validatecommand=(timeEntryCallback, '%P', '%S', "%V", "%W"))
obj2.pack(side=tk.LEFT,fill=tk.X,padx=dx)
def buildGUI_7():
#add checkbox for Debug Preview Mode
row=tk.Frame(master,bd=1,relief=tk.SUNKEN)
lab=tk.Label(row,text="Debug Preview Modus",width=30,anchor='w')
obj=tk.Checkbutton(row,text="aktiv",variable=DEBUG_PREVIEW,command=setDirty)
row.pack(side=tk.TOP,padx=dx,pady=dy,expand=tk.YES,fill=tk.X)
lab.pack(side=tk.LEFT,pady=dy,padx=dx)
obj.pack(side=tk.RIGHT,expand=tk.YES,fill=tk.X,padx=dx)
def buildGUI_8():
#add buttons
row=tk.Frame(master)
saveButton=tk.Button(row,text="Speichern",command=save,pady=4,padx=dx)
saveButton.pack(side=tk.LEFT,pady=dy,padx=dx)
quitButton=tk.Button(row,text="Beenden",command=quit,pady=4,padx=dx)
quitButton.pack(side=tk.RIGHT,pady=dy,padx=dx)
row.pack(side=tk.BOTTOM)
def buildGUI():
buildGUI_1()
buildGUI_2()
buildGUI_3()
buildGUI_4()
buildGUI_5()
buildGUI_6()
buildGUI_7()
buildGUI_8()
readConfig()
master.minsize(600,300)
master.geometry("800x450+560+300")
master.title("Einstellungen: Gruene Signale")
master.option_add('*Dialog.msg.font', 'System 10')
#register callbacks for entry fields
timeEntryCallback = master.register(validateTimeFields)
anyEntryCallback = master.register(setEntryDirty)
#fixed value for pady and padx used by pack() function
dy=2
dx=4
buildGUI()
master.mainloop()