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#! /usr/bin/env python
# -*- coding: utf-8 -*-
# vi:ts=4:et
import sys, threading
import pycurl
import pygtk
pygtk.require('2.0')
import gtk
# We should ignore SIGPIPE when using pycurl.NOSIGNAL - see
# the libcurl tutorial for more info.
try:
import signal
from signal import SIGPIPE, SIG_IGN
signal.signal(signal.SIGPIPE, signal.SIG_IGN)
except ImportError:
pass
class ProgressBar:
def __init__(self, uri):
self.round = 0.0
win = gtk.Window(gtk.WINDOW_TOPLEVEL)
win.set_title("PycURL progress")
win.show()
vbox = gtk.VBox(spacing=5)
vbox.set_border_width(10)
win.add(vbox)
win.set_default_size(200, 20)
vbox.show()
label = gtk.Label("Downloading %s" % uri)
label.set_alignment(0, 0.5)
vbox.pack_start(label)
label.show()
pbar = gtk.ProgressBar()
pbar.show()
self.pbar = pbar
vbox.pack_start(pbar)
win.connect("destroy", self.close_app)
def progress(self, download_t, download_d, upload_t, upload_d):
if download_t == 0:
self.round = self.round + 0.1
if self.round >= 1.0: self.round = 0.0
else:
self.round = float(download_d) / float(download_t)
gtk.threads_enter()
self.pbar.set_fraction(self.round)
gtk.threads_leave()
def mainloop(self):
gtk.threads_enter()
gtk.main()
gtk.threads_leave()
def close_app(self, *args):
args[0].destroy()
gtk.main_quit()
class Test(threading.Thread):
def __init__(self, url, target_file, progress):
threading.Thread.__init__(self)
self.target_file = target_file
self.progress = progress
self.curl = pycurl.Curl()
self.curl.setopt(pycurl.URL, url)
self.curl.setopt(pycurl.WRITEDATA, self.target_file)
self.curl.setopt(pycurl.FOLLOWLOCATION, 1)
self.curl.setopt(pycurl.NOPROGRESS, 0)
self.curl.setopt(pycurl.PROGRESSFUNCTION, self.progress)
self.curl.setopt(pycurl.MAXREDIRS, 5)
self.curl.setopt(pycurl.NOSIGNAL, 1)
def run(self):
self.curl.perform()
self.curl.close()
self.target_file.close()
self.progress(1.0, 1.0, 0, 0)
# Check command line args
if len(sys.argv) < 3:
print("Usage: %s <URL> <filename>" % sys.argv[0])
raise SystemExit
# Make a progress bar window
p = ProgressBar(sys.argv[1])
# Start thread for fetching url
Test(sys.argv[1], open(sys.argv[2], 'wb'), p.progress).start()
# Enter the GTK mainloop
gtk.threads_init()
try:
p.mainloop()
except KeyboardInterrupt:
pass