configuration.py

class Configuration(object):

    accepted_highways = dict()
    accepted_highways['pedestrian'] =  set(["primary", "secondary", "tertiary", "unclassified", "residential", "service", "primary_link", "secondary_link", "tertiary_link", "living_street", "pedestrian", "track", "road", "footway", "steps", "path"])
    accepted_highways['bicycle'] = set(["primary", "secondary", "tertiary", "unclassified", "residential", "service", "primary_link", "secondary_link", "tertiary_link", "living_street", "track", "road", "path", "cycleway"])
    accepted_highways['car'] = set(["motorway", "trunk", "primary", "secondary", "tertiary", "unclassified", "residential", "service", "motorway_link", "trunk_link", "primary_link", "secondary_link", "tertiary_link", "living_street"])

    speed_limits = {"motorway"     :120, "trunk"        :120, "primary"       :100,
                    "secondary"    :100, "tertiary"     : 70, "unclassified"  : 50,
                    "residential"  : 30, "service"      : 10, "motorway_link" : 60,
                    "trunk_link"   : 60, "primary_link" : 60, "secondary_link": 60,
                    "tertiary_link": 35, "living_street":  5, "pedestrian"    :  5,
                    "track"        :  5, "road"         :  5, "footway"       :  5,
                    "steps"        :  5, "path"         :  5, "cycleway"      :  5}

    walking_speed = 5
    max_highway_speed = 120

    extension = {"pedestrian":"pypgr", "car":"pycgr", "bicycle":"pybgr"}
    network_type = None

    def __init__(self, network_type="pedestrian"):
        self.network_type = network_type

    def get_file_extension(self):
        return self.extension[self.network_type]