def add_remote_ways(coll):
"""Takes a collection of elements and adds way references for
nodes if they don't have tags, or existing ways
"""
nodes = [ele for ele in coll if (ele['type'] == 'node'
and not ele['tags']
and not ele.has_key('_ways'))]
for node in nodes:
if node['tags'] or node.has_key('_ways'):
# It only needs to have one way for us to care. We're not
# looking at all the object relationships, just the first
# right now
continue
data = osmapi.getWaysforNode(node['id'])
xml = et.XML(data.encode('utf-8'))
ways = [parser.parseWay(way) for way in xml.findall('way')]
for way in ways:
coll.append(way)
# This is a lot of looping we could avoid if we had an index...
for nd in nodes:
if not nd['id'] in way['nd']:
continue
if nd.has_key('_ways'):
nd['_ways'].append(way)
else:
nd['_ways'] = [way]
def add_remote_ways(coll):
"""Takes a collection of elements and adds way references for
nodes if they don't have tags, or existing ways
"""
logging.debug("Adding remote way references. %d items in the collection." %
(len(coll)))
nodes = [
ele for ele in coll
if (ele['type'] == 'node' and not ele.get('tags')
and not ele.get('_ways') and not ele.get('_relations'))
]
logging.debug("%d nodes to consider" % (len(nodes)))
logging.debug("Nodes: \n%s" % pformat(nodes))
for node in nodes:
if node['tags'] or node.get('_ways') or node.get('_relations'):
# It only needs to have one way for us to care. We're not
# looking at all the object relationships, just the first
# right now
continue
logging.debug("Node %s has no remote ways or relations. Retrieving." %
str(node['id']))
data = osmapi.getWaysforNode(node['id'])
xml = et.XML(data.encode('utf-8'))
ways = [parser.parseWay(way) for way in xml.findall('way')]
for way in ways:
logging.debug("Adding new way %s to collection" % way['id'])
logging.debug(pformat(way))
coll.append(way)
target_nodes = [
retrieve(coll, 'node', node_id) for node_id in way['nd']
]
target_nodes = [node for node in target_nodes if node]
logging.debug("%d nodes potentially effected" % len(target_nodes))
for node in target_nodes:
logging.debug("Adding way reference for way %s to node %s" %
(str(way['id']), str(node['id'])))
if node.has_key('_ways'):
node['_ways'].append(way['id'])
else:
node['_ways'] = [way['id']]
logging.debug("Done adding references for way %s" % way['id'])
def add_remote_ways(coll):
"""Takes a collection of elements and adds way references for
nodes if they don't have tags, or existing ways
"""
logging.debug("Adding remote way references. %d items in the collection."
% (len(coll)))
nodes = [ele for ele in coll if (ele['type'] == 'node'
and not ele.get('tags')
and not ele.get('_ways')
and not ele.get('_relations'))]
logging.debug("%d nodes to consider"
% (len(nodes)))
logging.debug("Nodes: \n%s" % pformat(nodes))
for node in nodes:
if node['tags'] or node.get('_ways') or node.get('_relations'):
# It only needs to have one way for us to care. We're not
# looking at all the object relationships, just the first
# right now
continue
logging.debug("Node %s has no remote ways or relations. Retrieving." %
str(node['id']))
data = osmapi.getWaysforNode(node['id'])
xml = et.XML(data)
ways = [parser.parseWay(way) for way in xml.findall('way')]
for way in ways:
logging.debug("Adding new way %s to collection" % way['id'])
logging.debug(pformat(way))
coll.append(way)
target_nodes = [retrieve(coll, 'node', node_id) for node_id in way['nd']]
target_nodes = [node for node in target_nodes if node]
logging.debug("%d nodes potentially effected" % len(target_nodes))
for node in target_nodes:
logging.debug("Adding way reference for way %s to node %s" % (
str(way['id']), str(node['id'])))
if node.has_key('_ways'):
node['_ways'].append(way['id'])
else:
node['_ways'] = [way['id']]
logging.debug("Done adding references for way %s" % way['id'])
def way(id, version = None):
"""Gets a way from the OSM API and returns it as a complete element"""
data = osmapi.getWay(id, version)
xml = et.XML(data.encode('utf-8'))
root = xml.find('way')
return parser.parseWay(root)
def way(id, version=None):
"""Gets a way from the OSM API and returns it as a complete element"""
data = osmapi.getWay(id, version)
xml = et.XML(data)
root = xml.find('way')
return parser.parseWay(root)
