SystemDownload: test_internet_connectivity.py

#!/usr/bin/python
import urllib
import urllib2

# modRana has the same sockettimeout set
import socket
timeout = 30 # this sets timeout for all sockets
socket.setdefaulttimeout(timeout)

path = '/tmp/'
filename1 = 'modRana_test_i_connectivity_google.gif'
filename2 = 'modRana_test_i_connectivity_osm.png'
google = 'http://www.google.com/intl/en_ALL/images/logo.gif'
osm = 'http://b.tile.openstreetmap.org/17/71964/44884.png'

print "###################################"
print "\n###testing internet connectivity###"
print "\n###################################"


print "\n1. trying to download Google logo to /tmp/ using urllib"
print "(%s)" % google
try:
  urllib.urlretrieve(google, path+"urllib_"+filename1)
  print "OK: Google logo + urllib"
except Exception, e:
  print "error while downloading Google logo using urllib: %s" % e


print "\n2. trying to download an OSM tile to /tmp/ using urllib"
print "(%s)" % osm
try:
  urllib.urlretrieve(osm, path+"urllib_"+filename2)
  print "OK: OSM tile + urllib"
except Exception, e:
  print "error while downloading an OSM tile using urllib: %s" % e


print "\n3. trying to download Google logo to /tmp/ using urllib2"
print "(%s)" % google
try:
  req1 = urllib2.Request(google)
  reply1 = urllib2.urlopen(req1)
  string1 = path + "urllib2_" + filename1
  file1 = open(string1, 'w')
  file1.write(reply1.read())
  file1.close()
  print "OK: Google logo + urllib2"
except Exception, e:
  print "error while downloading Google logo using urllib2: %s" % e

print "\n4. trying to download an OSM tile to /tmp/ using urllib2"
print "(%s)" % osm
try:
  req2 = urllib2.Request(osm)
  reply2 = urllib2.urlopen(req2)
  string2 = path + "urllib2_" + filename2
  file2 = open(string2,'w')
  file2.write(reply2.read())
  file2.close()
  print "OK: OSM tile + urllib2"
except Exception, e:
  print "error while downloading an OSM tile using urllib2: %s" % e


print "\n 5. trying to download an OSM tile using proxy:"

# thanks to Slocan from http://talk.maemo.org/showthread.php?t=50570 for this testing code
# Slocan reports, that he is setting proxy in his N900 application FeedingIt like this without problems
def getProxy():
    import gconf
    if gconf.client_get_default().get_bool('/system/http_proxy/use_http_proxy'):
        port = gconf.client_get_default().get_int('/system/http_proxy/port')
        http = gconf.client_get_default().get_string('/system/http_proxy/host')
        proxy = proxy = urllib2.ProxyHandler( {"http":"http://%s:%s/"% (http,port)} )
        return (True, proxy)
    return (False, None)

# Enable proxy support
(proxy_support, proxy) = getProxy()
if proxy_support:
    opener = urllib2.build_opener(proxy)
    urllib2.install_opener(opener)

### Use urllib2.urlopen("http://...")
try:
  f = urllib2.urlopen(osm)
  data = f.read()
  f.close()
  string3 = path + "proxy_" + filename2
  file3 = open(string3,'w')
  file3.write(data)
  file3.close()
  print "OK: OSM tile + proxy"
except Exception, e:
  print "error while downloading an OSM tile using proxy: %s" % e





print "\n######################"
print "\n###testing complete###"
print "\n######################"