<s> '''<STR_LIT>''' <EOL> import osmium as o <EOL> import json , os , requests , sys , time <EOL> import shapely . wkb as wkblib <EOL> wkbfab = o . geom . WKBFactory ( ) <EOL> GEO_DATA_DIR = os . environ . get ( "<STR_LIT>" ) <EOL> class WayMap ( ) : <EOL> def __init__ ( self ) : <EOL> self . extracter = WayExtracter ( ) <EOL> def extract_files ( self , file_list ) : <EOL> for path in file_list : <EOL> self . run_extraction ( path ) <EOL> def run_extraction ( self , file_path ) : <EOL> cache_path = file_path + '<STR_LIT>' <EOL> if os . path . exists ( cache_path ) : <EOL> t0 = time . time ( ) <EOL> with open ( cache_path , '<STR_LIT:r>' ) as outfile : <EOL> self . extracter . ways = json . load ( outfile ) <EOL> t1 = time . time ( ) <EOL> elapsed = "<STR_LIT>" . format ( t1 - t0 ) <EOL> print "<STR_LIT>" . format ( file_path , elapsed ) <EOL> return <EOL> t0 = time . time ( ) <EOL> self . extracter . apply_file ( file_path , locations = True ) <EOL> t1 = time . time ( ) <EOL> elapsed = "<STR_LIT>" . format ( t1 - t0 ) <EOL> print "<STR_LIT>" . format ( file_path , elapsed ) <EOL> with open ( cache_path , '<STR_LIT:w>' ) as outfile : <EOL> json . dump ( self . extracter . ways , outfile ) <EOL> class WayExtracter ( o . SimpleHandler ) : <EOL> def __init__ ( self ) : <EOL> o . SimpleHandler . __init__ ( self ) <EOL> self . ways = [ ] <EOL> self . way_dict = { } <EOL> self . types = [ ] <EOL> def way ( self , w ) : <EOL> is_highway = False <EOL> is_big = False <EOL> name = '<STR_LIT>' <EOL> highway_type = None <EOL> for tag in w . tags : <EOL> if tag . k == '<STR_LIT:name>' : <EOL> name = tag . v <EOL> if tag . k == '<STR_LIT>' : <EOL> highway_type = tag . v <EOL> is_highway = True <EOL> if not is_highway : <EOL> return <EOL> if not highway_type in self . types : <EOL> self . types . append ( highway_type ) <EOL> way_dict = { '<STR_LIT>' : w . visible , <EOL> '<STR_LIT>' : w . deleted , <EOL> '<STR_LIT>' : w . uid , <EOL> '<STR_LIT>' : highway_type , <EOL> '<STR_LIT>' : w . ends_have_same_id ( ) , <EOL> '<STR_LIT:id>' : w . id , <EOL> '<STR_LIT>' : [ ] } <EOL> for tag in w . tags : <EOL> way_dict [ '<STR_LIT>' ] . append ( ( tag . k , tag . v ) ) <EOL> try : <EOL> wkb = wkbfab . create_linestring ( w ) <EOL> except : <EOL> return <EOL> line = wkblib . loads ( wkb , hex = True ) <EOL> reverse_points = [ ] <EOL> for point in list ( line . coords ) : <EOL> reverse_points . append ( [ point [ <NUM_LIT:1> ] , point [ <NUM_LIT:0> ] ] ) <EOL> way_dict [ '<STR_LIT>' ] = reverse_points <EOL> self . ways . append ( way_dict ) <EOL> def download_and_extract ( file_urls_to_download ) : <EOL> file_urls = file_urls_to_download <EOL> file_paths = download_files ( file_urls ) <EOL> w = WayMap ( ) <EOL> w . extract_files ( file_paths ) <EOL> return w <EOL> def download_file ( url ) : <EOL> local_filename = url . split ( '<STR_LIT:/>' ) [ - <NUM_LIT:1> ] <EOL> full_local_filename = os . path . join ( GEO_DATA_DIR , local_filename ) <EOL> r = requests . get ( url , stream = True ) <EOL> with open ( full_local_filename , '<STR_LIT:wb>' ) as f : <EOL> for chunk in r . iter_content ( chunk_size = <NUM_LIT> ) : <EOL> if chunk : <EOL> f . write ( chunk ) <EOL> return full_local_filename <EOL> def download_files ( url_list ) : <EOL> paths = [ ] <EOL> print ( "<STR_LIT>" . format ( len ( url_list ) ) ) <EOL> t0 = time . time ( ) <EOL> for url in url_list : <EOL> local_filename = url . split ( '<STR_LIT:/>' ) [ - <NUM_LIT:1> ] <EOL> full_local_filename = os . path . join ( GEO_DATA_DIR , local_filename ) <EOL> if not os . path . exists ( full_local_filename ) : <EOL> paths . append ( download_file ( url ) ) <EOL> else : <EOL> paths . append ( full_local_filename ) <EOL> print ( "<STR_LIT>" . format ( full_local_filename ) ) <EOL> if time . time ( ) - t0 > <NUM_LIT> : <EOL> print ( "<STR_LIT>" . format ( time . time ( ) - t0 ) ) <EOL> return paths </s>
