135 lines
5.4 KiB
Python
Executable file
135 lines
5.4 KiB
Python
Executable file
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# Copyright 2016 Mike "KemoNine" Crosson
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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# http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import subprocess, sys, os, pprint, datetime, argparse, time
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base_path = os.path.dirname(os.path.realpath(__file__))
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env = os.environ.copy()
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FNULL = open(os.devnull, 'w')
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wget_cmd = 'wget'
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bunzip2_cmd = 'bunzip2'
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if __name__ == '__main__':
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current_timestamp = datetime.datetime.now().strftime('%Y%m%d-%H%M')
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parser = argparse.ArgumentParser()
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parser.add_argument('--map-list', action='append',
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help='a text file with one map URL per line, can be specified more than once')
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parser.add_argument('--no-sleep', action='store_true',
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help='don\'t sleep between downloads -- WARNING you can easily run into throttling on mirrors if you use this option')
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parser.add_argument('--use-ram', action='store_true',
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help='use RAM for mapsforge processing -- WARNING mapsforge uses 10x the map size in RAM for processing (ie. 100Mb map = 1Gb RAM usage), you want a LOT of RAM for this option')
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parser.add_argument('--max-heap-space', action='store', default='4g',
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help='set the max heap space for the JVM, use standard -Xmx values, default (4g) should be fine if not using --use-ram argument')
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parser.add_argument('--output-map-name', action='store', default='output',
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help='set the output .map and .poi file names')
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parser.add_argument('--cached-maps-dir', action='store',
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help='Use cached maps in the specified directory instead of downloads using map lists')
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#TODO: Add argument to pass path to osmosis
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#TODO: Add argument to pass path to output dir
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args = parser.parse_args()
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if args.map_list is None and args.cached_maps_dir is None:
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print('You MUST specify at least one map-list or cached-maps-dir')
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sys.exit(1)
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# Normalize map path directory based on CLI arg ahead of any path manipulations
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# DEFAULTS TO 'dl' (non-normalized) to retain original behavior of script
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cached_maps_dir = 'dl'
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if args.cached_maps_dir is not None:
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cached_maps_dir = os.path.abspath(args.cached_maps_dir)
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map_list = []
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if args.map_list is not None:
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for alist in args.map_list:
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with open(alist, 'r') as maps:
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for line in maps:
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map_list.append(line.strip())
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print('Creating working directories')
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if not os.path.exists('tmp'):
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os.makedirs('tmp')
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if not os.path.exists('out'):
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os.makedirs('out')
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os.chdir('out')
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output_dir = current_timestamp + '-' + args.output_map_name
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if not os.path.exists(output_dir):
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os.makedirs(output_dir)
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os.chdir(output_dir)
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if args.map_list is not None:
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if not os.path.exists('dl'):
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os.makedirs('dl')
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print('Downloading maps')
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for line in map_list:
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print(' ', end='')
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print(line)
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subprocess.run([wget_cmd, '-P', 'dl', line.strip()], stdout=FNULL, stderr=subprocess.STDOUT)
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if not args.no_sleep:
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print(' Sleeping to prevent throttle/blocking')
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time.sleep(300) # Seconds
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print('Decompressing maps (if necessary)')
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for dirpath, dirnames, filenames in os.walk('dl'):
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for file in filenames:
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if file.endswith('bz2'):
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print(' ', end='')
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print(file)
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subprocess.run([bunzip2_cmd, os.path.join(dirpath, file)])
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# Setup various runtime aspects (going to do multiple osmosis runs (maps AND POIs)
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env['JAVACMD_OPTIONS'] = '-Xmx' + args.max_heap_space + ' -server -Djava.io.tmpdir=' + os.path.join(base_path, 'tmp') # Setup java temp dir to something a bit more sane (tmpfs /tmp for the loss)
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print('Finding maps to process')
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files_to_process = []
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for dirpath, dirnames, filenames in os.walk(cached_maps_dir):
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for file in filenames:
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print(' Found map: ', end='')
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print(os.path.join(dirpath, file))
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files_to_process.append(os.path.join(dirpath, file))
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print('Processing maps using osmosis')
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osmosis_cmd = [os.path.join(base_path, 'bin', 'osmosis', 'bin', 'osmosis')]
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for file in files_to_process:
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if file.endswith('osm'):
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osmosis_cmd.extend(['--rx', 'file=' + file])
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elif file.endswith('pbf'):
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osmosis_cmd.extend(['--rb', 'file=' + file])
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for x in range(0, len(files_to_process) - 1):
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osmosis_cmd.append('--merge')
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osmosis_cmd.extend(['--mapfile-writer', 'file=' + args.output_map_name + '.map'])
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if args.use_ram:
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osmosis_cmd.extend(['type=ram'])
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else:
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osmosis_cmd.extend(['type=hd'])
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cmd = subprocess.Popen(osmosis_cmd, env=env)
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cmd.wait()
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print('Processing POIs using osmosis')
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osmosis_cmd = [os.path.join(base_path, 'bin', 'osmosis', 'bin', 'osmosis')]
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for file in files_to_process:
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if file.endswith('osm'):
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osmosis_cmd.extend(['--rx', 'file=' + file])
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elif file.endswith('pbf'):
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osmosis_cmd.extend(['--rb', 'file=' + file])
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for x in range(0, len(files_to_process) - 1):
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osmosis_cmd.append('--merge')
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osmosis_cmd.extend(['--poi-writer', 'file=' + args.output_map_name + '.poi', 'tag-conf-file=' + os.path.join(base_path, 'poi-mapping.xml')])
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cmd = subprocess.Popen(osmosis_cmd, env=env)
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cmd.wait()
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