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osm_map_processing/process_maps.py

74 lines
2.3 KiB
Python
Executable file

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import subprocess, sys, os, pprint, datetime, argparse, time
base_path = os.path.dirname(os.path.realpath(__file__))
FNULL = open(os.devnull, 'w')
wget_cmd = '/usr/bin/wget'
bunzip2_cmd = '/usr/bin/bunzip2'
if __name__ == '__main__':
current_timestamp = datetime.datetime.now().strftime('%Y%m%d-%H%M')
parser = argparse.ArgumentParser()
parser.add_argument('--map-list', action='append')
#TODO: Add argument to pass path to osmosis
#TODO: Add argument to pass path to output dir
args = parser.parse_args()
map_list = []
for alist in args.map_list:
with open(alist, 'r') as maps:
for line in maps:
map_list.append(line.strip())
print('Creating working directories')
if not os.path.exists('tmp'):
os.makedirs('tmp')
if not os.path.exists('out'):
os.makedirs('out')
os.chdir('out')
if not os.path.exists(current_timestamp):
os.makedirs(current_timestamp)
os.chdir(current_timestamp)
if not os.path.exists('dl'):
os.makedirs('dl')
print('Downloading maps')
for line in map_list:
print(' ', end='')
print(line)
subprocess.run([wget_cmd, '-P', 'dl', line.strip()], stdout=FNULL, stderr=subprocess.STDOUT)
print(' Sleeping 1m to prevent throttle/blocking')
time.sleep(300) # Seconds
print('Decompressing maps (if necessary)')
for dirpath, dirnames, filenames in os.walk('dl'):
for file in filenames:
if file.endswith('bz2'):
print(' ', end='')
print(file)
subprocess.run([bunzip2_cmd, os.path.join(dirpath, file)])
print('Processing maps using osmosis')
files_to_process = []
for dirpath, dirnames, filenames in os.walk('dl'):
for file in filenames:
print(' Found map: ', end='')
print(os.path.join(dirpath, file))
files_to_process.append(os.path.join(dirpath, file))
osmosis_cmd = [os.path.join(base_path, 'bin', 'osmosis', 'bin', 'osmosis', '-Djava.io.tmpdir=' + os.path.join(base_path), 'tmp')]
for file in files_to_process:
if file.endswith('osm'):
osmosis_cmd.extend(['--rx', 'file=' + file])
elif file.endswith('pbf'):
osmosis_cmd.extend(['--rb', 'file=' + file])
for x in range(0, len(files_to_process) - 1):
osmosis_cmd.append('--merge')
osmosis_cmd.extend(['--mapfile-writer', 'file=output.map', 'type=hd'])
subprocess.run(osmosis_cmd)