#Exit the look on program closure

def onDeleteWindow(self, *args):

print "EXIT";

Gtk.main_quit(*args)

#lapse complete, quit program

def quit(self, *args):

exit()

#Open and close the about dialog

def openAbout(self, *args):

print "Test";

about.show_all()

def hideAbout(self, *args):

print "Test";

about.hide()

#wiz4 display currently for debugging

def display4(self, *args):

wiz4.show_all()

#open and close the camera wizards first screen.

def openWiz1(self, *args):

window.hide()

wiz1.show_all()

def closeWiz1(self, *args):

wiz1.hide()

window.show_all()

#retry or cancel from the error screen

def retry(self, *args):

wiz1error.hide()

wiz1.show_all()

def wiz1errorclose(self, *args):

wiz1error.hide()

window.show_all()

#Open and close the camera wizards second screen

def openWiz2(self, *args):

wiz2.show_all()

def closeWiz2(self, *args):

wiz2.hide()

window.show_all()

#List detected Cameras and prepare temp directory for images

def listcams(self, *args):

wiz1.hide()

path = "/tmp/lapsr"

print "Creating or emptying directory ",path

if os.path.exists(path):shutil.rmtree(path)

if not os.path.exists(path): os.mkdir(path)

os.chdir( path )

print "working directory set to ",path

print "detecting cameras"

output = subprocess.check_output("gphoto2 --auto-detect>cameras", shell=True)

num_lines = sum(1 for line in open('cameras'))

if num_lines==2:

print "No cameras detected"

wiz1.hide()

wiz1error.show_all()

else:

camera = linecache.getline('cameras', 3)

print camera," detected"

cameraid.set_text(camera)

wiz2.show_all()

#allows for lapse cancelation after next shot

def cancellapse(self, *args):

completed=1

print "cancelation request received"

subprocess.check_output("killall gphoto2", shell=True)

if os.path.exists(path):shutil.rmtree(path)

wiz3.hide()

#lapse postprocessing

def postprocess(self, *args):

print "starting postprocessing"

wiz4.hide()

savelps = checkbutton1.get_active()

savevid = checkbutton2.get_active()

print savelps

print savevid

if savelps == True:

print "Saving a lapse file"

subprocess.check_output("tar cvzf /tmp/lapse.tar.gz /tmp/lapsr", shell=True)

if savevid == True:

print "saving a video"

path = "/tmp/lapsr"

os.chdir( path )

framerate = spin3.get_value_as_int()

subprocess.check_output("ls -1tr | grep -v files.txt > files.txt", shell=True)

framerate = str(framerate)

framerate = 'fps='+framerate

proc2 = subprocess.Popen(['mencoder','-idx','-nosound','-noskip','-ovc','lavc','-lavcopts','vcodec=mjpeg','-o','output.avi','-mf',framerate,'mf://@files.txt'],cwd='/tmp/lapsr',stdout=subprocess.PIPE)

completed2=0

while completed2 == 0:

line = proc2.stdout.readline()

if line != '':

print "[output]",line

else:

completed2 = 1

print "done"

wiz5.show_all()

# take the information and run the lapse

def startlapse(self, *args):

wiz2.hide()

frames = spin1.get_value_as_int()

delay = spin2.get_value_as_int()

print frames, " frames will be shot"

print "with ", delay, " seconds between each shot"

wiz2.hide()

wiz3.show_all()

proc = subprocess.Popen(['gphoto2','--capture-image-and-download','-F',str(frames),'-I',str(delay)],stdout=subprocess.PIPE)

print "starting processing loop WARNING : No error detection supported, if focus fails the app will hang"

completed = 0

while completed == 0:

if Gtk.events_pending():print "Rendering Progress bar updates"

while Gtk.events_pending():

Gtk.main_iteration()

line = proc.stdout.readline()

if line != '':

if line.find("Capturing frame #") != -1:

print "[debug] progress found"

newstr = line.replace("Capturing frame #","")

newstr = newstr.split('...', 1)[0]

newstr = newstr.split('/', 1)

newstr = (int(newstr[0])/int(newstr[1]))

progressbar1.set_fraction(newstr)

print "[PROGRESS]", line

else:

print "complete"

completed = 1

wiz4.show_all()