<s> import tornado . web <EOL> import apiserver . const as C <EOL> from apiserver . osmelement import new_osm_response <EOL> from util import filter_references , response_to_xml <EOL> class OsmElementHandler ( tornado . web . RequestHandler ) : <EOL> "<STR_LIT>" <EOL> def initialize ( self , datastore ) : <EOL> self . datastore = datastore <EOL> def delete ( self , element ) : <EOL> """<STR_LIT>""" <EOL> raise tornado . web . HTTPError ( <NUM_LIT> ) <EOL> def get ( self , namespace , ident ) : <EOL> self . set_header ( C . CONTENT_TYPE , C . TEXT_XML ) <EOL> elem = self . datastore . fetch ( namespace , ident ) <EOL> if elem is None : <EOL> raise tornado . web . HTTPError ( <NUM_LIT> ) <EOL> self . write ( response_to_xml ( elem . build_response ( new_osm_response ( ) ) ) ) <EOL> def put ( self , element ) : <EOL> """<STR_LIT>""" <EOL> raise tornado . web . HTTPError ( <NUM_LIT> ) <EOL> class OsmMultiElementHandler ( tornado . web . RequestHandler ) : <EOL> """<STR_LIT>""" <EOL> def initialize ( self , datastore ) : <EOL> """<STR_LIT>""" <EOL> self . datastore = datastore <EOL> def get ( self , element ) : <EOL> """<STR_LIT>""" <EOL> if element not in [ C . NODES , C . WAYS , C . RELATIONS ] : <EOL> raise tornado . web . HTTPError ( <NUM_LIT> ) <EOL> if element == C . NODES : <EOL> namespace = C . NODE <EOL> elif element == C . WAYS : <EOL> namespace = C . WAY <EOL> elif element == C . RELATIONS : <EOL> namespace = C . RELATION <EOL> else : <EOL> assert False , "<STR_LIT>" % element <EOL> params = self . get_argument ( element , None ) <EOL> if not params : <EOL> raise tornado . web . HTTPError ( <NUM_LIT> ) <EOL> osm = new_osm_response ( ) <EOL> for ( st , r ) in self . datastore . fetch_keys ( namespace , params . split ( "<STR_LIT:U+002C>" ) ) : <EOL> if st : <EOL> r . build_response ( osm ) <EOL> self . set_header ( C . CONTENT_TYPE , C . TEXT_XML ) <EOL> self . write ( response_to_xml ( osm ) ) <EOL> class OsmElementRelationsHandler ( tornado . web . RequestHandler ) : <EOL> """<STR_LIT>""" <EOL> def initialize ( self , datastore ) : <EOL> """<STR_LIT>""" <EOL> self . datastore = datastore <EOL> def get ( self , namespace , ident ) : <EOL> """<STR_LIT>""" <EOL> if namespace not in [ C . NODE , C . WAY , C . RELATION ] : <EOL> raise tornado . web . HTTPError ( <NUM_LIT> ) <EOL> elem = self . datastore . fetch ( namespace , ident ) <EOL> osm = new_osm_response ( ) <EOL> if elem : <EOL> relset = filter_references ( C . RELATION , [ elem ] ) <EOL> if len ( relset ) > <NUM_LIT:0> : <EOL> relations = self . datastore . fetch_keys ( C . RELATION , <EOL> [ r for r in relset ] ) <EOL> for ( st , r ) in relations : <EOL> if st : <EOL> r . build_response ( osm ) <EOL> self . set_header ( C . CONTENT_TYPE , C . TEXT_XML ) <EOL> self . write ( response_to_xml ( osm ) ) <EOL> class OsmWaysForNodeHandler ( tornado . web . RequestHandler ) : <EOL> """<STR_LIT>""" <EOL> def initialize ( self , datastore ) : <EOL> self . datastore = datastore <EOL> def get ( self , nodeid ) : <EOL> "<STR_LIT>" <EOL> elem = self . datastore . fetch ( C . NODE , nodeid ) <EOL> if elem is None : <EOL> raise tornado . web . HTTPError ( <NUM_LIT> ) <EOL> osm = new_osm_response ( ) <EOL> wayset = filter_references ( C . WAY , [ elem ] ) <EOL> if len ( wayset ) > <NUM_LIT:0> : <EOL> ways = self . datastore . fetch_keys ( C . WAY , <EOL> [ w for w in wayset ] ) <EOL> for ( st , w ) in ways : <EOL> if st : <EOL> w . build_response ( osm ) <EOL> self . set_header ( C . CONTENT_TYPE , C . TEXT_XML ) <EOL> self . write ( response_to_xml ( osm ) ) <EOL> class OsmFullQueryHandler ( tornado . web . RequestHandler ) : <EOL> """<STR_LIT>""" <EOL> def initialize ( self , datastore ) : <EOL> self . datastore = datastore <EOL> def get ( self , namespace , elemid ) : <EOL> """<STR_LIT>""" <EOL> element = self . datastore . fetch ( namespace , elemid ) <EOL> if element is None : <EOL> raise tornado . web . HTTPError ( <NUM_LIT> ) <EOL> nodes = [ ] <EOL> ways = [ ] <EOL> relations = [ ] <EOL> if namespace == C . RELATION : <EOL> nodeset = element . get_member_ids ( C . NODE ) <EOL> nodes . extend ( [ z for ( st , z ) in <EOL> self . datastore . fetch_keys ( C . NODE , [ n for n in nodeset ] ) <EOL> if st ] ) <EOL> wayset = element . get_member_ids ( C . WAY ) <EOL> relations . append ( element ) <EOL> else : <EOL> nodeset = set ( ) <EOL> wayset = set ( [ elemid ] ) <EOL> if len ( wayset ) > <NUM_LIT:0> : <EOL> ways . extend ( [ z for ( st , z ) in <EOL> self . datastore . fetch_keys ( C . WAY , [ w for w in wayset ] ) <EOL> if st ] ) <EOL> additional_nodes = set ( ) <EOL> for w in ways : <EOL> additional_nodes . update ( w . get_node_ids ( ) ) <EOL> additional_nodes = additional_nodes - nodeset <EOL> nodes . extend ( [ z for ( st , z ) in <EOL> self . datastore . fetch_keys ( C . NODE , [ n for n in additional_nodes ] ) <EOL> if st ] ) <EOL> osm = new_osm_response ( ) <EOL> for n in nodes : <EOL> n . build_response ( osm ) <EOL> for w in ways : <EOL> w . build_response ( osm ) <EOL> for r in relations : <EOL> r . build_response ( osm ) <EOL> self . set_header ( C . CONTENT_TYPE , C . TEXT_XML ) <EOL> self . write ( response_to_xml ( osm ) ) </s>
