def get_tile_from_coord(self, coord, layer, mapServ, styleID):
href = self.get_url_from_coord(coord, layer, mapServ, styleID)
if href:
try:
print 'downloading:', href
oa = openanything.fetch(href)
if oa['status']==200:
return oa['data']
else:
raise RuntimeError, ("HTTP Reponse is: " + str(oa['status']),)
except:
raise
def search_location(location):
print 'downloading the following location:', location
try:
oa = openanything.fetch( 'http://maps.google.com/maps?q=' +
urllib.quote_plus(location) )
except Exception:
return 'error=Can not connect to http://maps.google.com', None
if oa['status']!=200:
return 'error=Can not connect to http://maps.google.com', None
m = 0
html = oa['data']
if html.find('We could not understand the location') < 0:
# List of patterns to look for the location name
paList = ['laddr:"([^"]+)"',
'daddr:"([^"]+)"']
for srtPattern in paList:
p = re.compile(srtPattern)
m = p.search(html)
if m: break
if m:
location = m.group(1)
else:
return 'error=Location %s not found' % location, None
# List of patterns to look for the latitude & longitude
paList = ['center:{lat:([0-9.-]+),lng:([0-9.-]+)}.*zoom:([0-9.-]+)',
'markers:.*lat:([0-9.-]+),lng:([0-9.-]+).*laddr:',
'dtlsUrl:.*x26sll=([0-9.-]+),([0-9.-]+).*x26sspn']
for srtPattern in paList:
p = re.compile(srtPattern)
m = p.search(html)
if m: break
if m:
zoom = 10
if m.group(0).find('zoom:') != -1:
zoom = set_zoom(MAP_MAX_ZOOM_LEVEL - int(m.group(3)))
else:
p = re.compile('center:.*zoom:([0-9.-]+).*mapType:')
m = p.search(html)
if m:
zoom = set_zoom(MAP_MAX_ZOOM_LEVEL - int(m.group(1)))
location = unicode(location, errors='ignore')
return location, (float(m.group(1)), float(m.group(2)), zoom)
else:
return 'error=Unable to get latitude and longitude of %s ' % location
def layer_url_template(layer):
if layer not in known_layers:
map_server_query = ["", "h", "p"]
layers_name = ["m", "s", "t"]
oa = openanything.fetch(
'http://maps.google.com/maps?t=' + map_server_query[layer])
if oa['status'] != 200:
print "Trying to fetch http://maps.google.com/maps but failed"
return None
html = oa['data']
known_layers[layer] = parse_start_page(layers_name[layer], html)
return known_layers[layer]
