def get_walking_route(start_location, end_location):
params = {
'origin': start_location.to_url_param(),
'destination': end_location.to_url_param(),
'sensor' : 'false',
'mode': 'walking'
}
url = 'http://maps.google.com/maps/api/directions/json?' + urllib.urlencode(params)
result = urlfetch.fetch(url)
if result.status_code == 200:
route = json.loads(result.content)
if route['status'] == 'OVER_QUERY_LIMIT':
logging.warn('OVER_QUERY_LIMIT while fetching walking directions')
return None # Google refuses to work
instructions = []
duration = 0
distance = 0
for leg in route['routes'][0]['legs']:
for leg_step in leg['steps']:
instructions.append(clean_walk_direction(utils.remove_html_tags(leg_step['html_instructions'])))
duration += int(leg_step['duration']['value'])
distance += int(leg_step['distance']['value'])
step = RouteStep()
step.direction = ', '.join(instructions).replace('M10','')
step.duration = duration / 60
step.addinfo = utils.duration_to_string(step.duration) + ', ' + utils.distance_to_string(distance)
step.transport = None # walk
step.start_location = start_location
step.end_location = end_location
step.has_map = True
return Route([step])
def get_walking_step(start_location, end_location, end_name = None):
step = None
direct_distance = estimate_distance(start_location, end_location)
if direct_distance > 150:
language = utils.get_language()
params = {
'origin': start_location.to_url_param(),
'destination': end_location.to_url_param(),
'sensor' : 'false',
'mode': 'walking',
'language' : language
}
url = 'http://maps.google.com/maps/api/directions/json?' + urllib.urlencode(params)
result = urlfetch.fetch(url)
if result.status_code == 200:
route = json.loads(result.content)
if route['status'] == 'OVER_QUERY_LIMIT':
logging.warn('OVER_QUERY_LIMIT while fetching walking directions')
elif route['status'] == 'ZERO_RESULTS':
# no route found
pass
else:
instructions = []
duration = 0
distance = 0
for leg in route['routes'][0]['legs']:
for leg_step in leg['steps']:
instructions.append(clean_walk_direction(utils.remove_html_tags(leg_step['html_instructions'])))
duration += int(leg_step['duration']['value'])
distance += int(leg_step['distance']['value'])
step = common.RouteStep()
step.direction = ', '.join(instructions)
step.duration = int(duration / 60)
step.distance = distance
else:
logging.warn('Walking route failed: ' + str(result.status_code))
if step == None: #google not needed or failed
step = common.RouteStep()
step.distance = estimate_distance(start_location, end_location) * 1.4
step.duration = int(step.distance / 80 + 0.5)
if end_name != None:
walk_text = _('Walk to') + ' ' + end_name
if step.direction != None:
step.direction = walk_text + ': ' + step.direction
else:
step.direction = walk_text
elif step.direction == None:
step.direction = _('Walk') + ' ' + utils.distance_to_string(step.distance)
step.transport = None # walk
step.start_location = start_location
step.end_location = end_location
step.has_map = True
return step
def get_default_addinfo(self):
addinfo = utils.duration_to_string(int(self.duration))
if self.distance != None:
addinfo += ', ' + utils.distance_to_string(self.distance)
if self.transport != None and self.transport.price != None:
addinfo += ', ' + utils.price_to_string(self.transport.price)
if self.transport != None and self.transport.stops != None:
addinfo += ', ' + utils.stops_to_string(self.transport.stops)
if self.transport != None and self.transport.interval != None:
addinfo += ', ' + _('runs every') + ' ' + utils.duration_to_string(self.transport.interval)
return addinfo