versión casi funcional. queda por ver bien cómo manejar espacios en los nombres de archivo, pulir la interfaz (y el código)
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@ -1,11 +1,5 @@
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#!/usr/bin/env python2.6
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# -*- coding: utf-8 -*-
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# Setea el parámetro "forward / ..." en /etc/privoxy/config
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# Uso: si se llama con privoxy_fw <nombre de host> <puerto>, escribe una línea
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# forward / <nom_host>:<puerto> en /etc/priv../config;
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# si se llama sin parámetros suficientes (esto es, privoxy_fw [<algo>]) entonces
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# comenta cualquier línea forward /
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import sys
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import re
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@ -24,7 +18,9 @@ class HelloWorld:
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pixbuf = None
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imagen = gtk.Image()
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ruta = "/home/mauro/Imágenes/art/4995443800_e68125ac35_o.jpg"
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conffile = "/home/mauro/git/greeter.gconf-defaults"
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layout = "zoom" #wallpaper, centered, scaled, stretched, zoom
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def dibujar_imagen(self):
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imagen_cargada = gtk.gdk.pixbuf_new_from_file(self.ruta)
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ancho_img = imagen_cargada.get_width()
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@ -77,9 +73,14 @@ class HelloWorld:
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y0 = (self.hscreen-alto_img)/8
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imagen_cargada.copy_area( max(-x0,0), max(-y0,0),
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min(self.wscreen/4,ancho_img/4-x0),
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min(self.hscreen/4,alto_img/4-y0),
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min(self.wscreen/4,ancho_img/4),
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min(self.hscreen/4,alto_img/4),
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self.pixbuf, max(x0,0), max(y0,0))
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print "copy_area(" + str(max(-x0,0)) + "," + str(max(-y0,0)) + "," \
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+ str(min(self.wscreen/4,ancho_img/4)) + "," \
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+ str(min(self.hscreen/4,alto_img/4)) + ",self.pixbuf," \
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+ str(max(x0,0)) + "," + str(max(y0,0)) + ") " + str(x0) + " "\
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+ str(y0) + " " + str(ancho_img) + " " + str(alto_img)
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elif self.layout == "stretched":
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imagen_cargada = imagen_cargada.scale_simple(self.wscreen/4,
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self.hscreen/4,
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@ -118,13 +119,7 @@ class HelloWorld:
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print "Hello World"
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def delete_event(self, widget, event, data=None):
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# If you return FALSE in the "delete_event" signal handler,
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# GTK will emit the "destroy" signal. Returning TRUE means
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# you don't want the window to be destroyed.
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# This is useful for popping up 'are you sure you want to quit?'
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# type dialogs.
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print "delete event occurred"
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#print "delete event occurred"
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# Change FALSE to TRUE and the main window will not be destroyed
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# with a "delete_event".
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return False
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@ -142,8 +137,41 @@ class HelloWorld:
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self.layout = widget.get_active_text()
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self.dibujar_imagen()
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def leer_conf( self ):
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with open(self.conffile, 'r') as conf:
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for linea in conf:
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m1 = re.match(r"\s*/desktop/gnome/background/picture_filename\s+((?:\S*(?:(?<=\\)\s)*)+)", linea)
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m2 = re.match(r"\s*/desktop/gnome/background/picture_options\s+(\w+)", linea)
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if m1:
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print "imagen encontrada. " + m1.group(1)
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self.ruta = m1.group(1)
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elif m2:
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print "configuración encontrada: " + m2.group(1)
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self.layout = m2.group(1)
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def guardar_conf( self, widget ):
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with open(self.conffile, 'r') as conf:
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salida = ""
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for linea in conf:
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m1 = re.match(r"\s*/desktop/gnome/background/picture_filename\s+((?:\S*(?:(?<=\\)\s)*)+)", linea)
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m2 = re.match(r"\s*/desktop/gnome/background/picture_options\s+(\w+)", linea)
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if m1:
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salida += "/desktop/gnome/background/picture_filename " + self.ruta + "\n"
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elif m2:
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salida += "/desktop/gnome/background/picture_options " + self.layout + "\n"
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else:
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salida += linea
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with open(self.conffile, 'w') as f:
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f.write(salida)
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print "Se ha guardado la nueva configuración."
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def __init__(self):
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(self.wscreen, self.hscreen) = self.get_screen_size()
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self.leer_conf()
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self.pixbuf = gtk.gdk.Pixbuf( gtk.gdk.COLORSPACE_RGB, True, 8,
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int(self.wscreen/4.0),
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int(self.hscreen/4.0) )
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@ -170,15 +198,8 @@ La imagen actualmente configurada es /home/mauro.")
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# Creates a new button with the label "Hello World".
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self.button = gtk.Button("Hello World")
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# When the button receives the "clicked" signal, it will call the
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# function hello() passing it None as its argument. The hello()
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# function is defined above.
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self.button.connect("clicked", self.hello, None)
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# This will cause the window to be destroyed by calling
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# gtk_widget_destroy(window) when "clicked". Again, the destroy
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# signal could come from here, or the window manager.
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self.button.connect_object("clicked", gtk.Widget.destroy, self.window)
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self.button.connect("clicked", self.guardar_conf)
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#self.button.connect_object("clicked", gtk.Widget.destroy, self.window)
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self.vbox = gtk.VBox();
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self.hbox = gtk.HBox();
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@ -223,57 +244,11 @@ La imagen actualmente configurada es /home/mauro.")
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# and the window
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self.window.show()
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print self.get_screen_size()
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def main(self):
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# All PyGTK applications must have a gtk.main(). Control ends here
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# and waits for an event to occur (like a key press or mouse event).
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gtk.main()
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# If the program is run directly or passed as an argument to the python
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# interpreter then create a HelloWorld instance and show it
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if __name__ == "__main__":
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hello = HelloWorld()
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hello.main()
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# if __name__ == "__main__":
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# out = ""
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# seteado = 0
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# with open('/etc/privoxy/config', 'r') as conf:
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# for linea in conf:
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# # m matchea una línea forward / ...
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# m = re.match(r"\s*#*\s*forward\s+/\s+([a-zA-z0-9._-]+):([0-9]+)(.*)", linea)
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# if m:
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# if len(sys.argv) < 3:
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# out += "# forward / " + m.group(1) + ":" + m.group(2) + " " + m.group(3) + "\n"
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# elif m.group(1) == sys.argv[1] and m.group(2) == sys.argv[2]:
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# out += "forward / " + m.group(1) + ":" + m.group(2) + " " + m.group(3) + "\n"
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# seteado = 1
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# else:
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# out += "# forward / " + m.group(1) + ":" + m.group(2) + " " + m.group(3) + "\n"
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# else:
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# out += linea
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# if seteado == 0 and len(sys.argv) > 2:
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# out = "forward / " + sys.argv[1] + ":" + sys.argv[2] + "\n" + out
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# #print out
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# with open('/etc/privoxy/config', 'w') as f:
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# f.write(out)
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# print "\nSe ha modificado la configuración de Privoxy."
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# proxy_handler = urllib2.ProxyHandler({'http': 'http://localhost:8118/'})
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# opener = urllib2.build_opener(proxy_handler)
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# try:
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# opener.open('http://www.google.com')
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# except urllib2.HTTPError:
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# pass
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# try:
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# opener.open('http://www.google.com')
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# except urllib2.HTTPError:
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# print 'No se puede forwardear al proxy seteado. Verificá los parámetros.'
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# else:
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# print 'Bien. Ahora podés navegar a través de Privoxy.'
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