kopia lustrzana https://github.com/kartoza/docker-osm
Etienne Trimaille
commit
86340505c6
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@ -28,8 +28,12 @@ from subprocess import call
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from time import sleep
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from sys import stderr
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# All these default values can be overwritten by env vars
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default = {
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class Importer(object):
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def __init__(self):
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# Default values which can be overwritten.
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self.default = {
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'TIME': 120,
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'USER': 'docker',
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'PASSWORD': 'docker',
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@ -47,192 +51,233 @@ default = {
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'DBSCHEMA_BACKUP': 'backup',
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'QGIS_STYLE': 'yes'
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}
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self.osm_file = None
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self.mapping_file = None
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self.post_import_file = None
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self.qgis_style = None
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# Check if we overwrite default values.
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self.cursor = None
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self.postgis_uri = None
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@staticmethod
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def info(message):
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print message
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@staticmethod
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def error(message):
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print >> stderr, message
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exit()
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def overwrite_environment(self):
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"""Overwrite default values from the environment."""
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for key in environ.keys():
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if key in default.keys():
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default[key] = environ[key]
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if key in self.default.keys():
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self.default[key] = environ[key]
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def check_settings(self):
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"""Perform various checking."""
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# Check valid SRID.
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if default['SRID'] not in ['4326', '3857']:
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print >> stderr, 'SRID not supported : %s' % default['SRID']
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exit()
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if self.default['SRID'] not in ['4326', '3857']:
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msg = 'SRID not supported : %s' % self.default['SRID']
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self.error(msg)
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# Check valid QGIS_STYLE.
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if default['QGIS_STYLE'] not in ['yes', 'no']:
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print >> stderr, 'QGIS_STYLE not supported : %s' % default['QGIS_STYLE']
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exit()
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if self.default['QGIS_STYLE'] not in ['yes', 'no']:
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msg = 'QGIS_STYLE not supported : %s' % self.default['QGIS_STYLE']
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self.error(msg)
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# Check folders.
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folders = ['IMPORT_QUEUE', 'IMPORT_DONE', 'SETTINGS', 'CACHE']
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for folder in folders:
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if not isabs(default[folder]):
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if not isabs(self.default[folder]):
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# Get the absolute path.
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default[folder] = abspath(default[folder])
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self.default[folder] = abspath(self.default[folder])
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# Test the folder
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if not exists(default[folder]):
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print >> stderr, 'The folder %s does not exist.' % default[folder]
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exit()
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if not exists(self.default[folder]):
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msg = 'The folder %s does not exist.' % self.default[folder]
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self.error(msg)
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# Test files
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osm_file = None
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mapping_file = None
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post_import_file = None
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qgis_style = None
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for f in listdir(default['SETTINGS']):
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for f in listdir(self.default['SETTINGS']):
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if f.endswith('.pbf'):
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osm_file = join(default['SETTINGS'], f)
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self.osm_file = join(self.default['SETTINGS'], f)
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if f.endswith('.json'):
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mapping_file = join(default['SETTINGS'], f)
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self.mapping_file = join(self.default['SETTINGS'], f)
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if f == 'post-pbf-import.sql':
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post_import_file = join(default['SETTINGS'], f)
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self.post_import_file = join(self.default['SETTINGS'], f)
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if f == 'qgis_style.sql':
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qgis_style = join(default['SETTINGS'], f)
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self.qgis_style = join(self.default['SETTINGS'], f)
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if not osm_file:
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print >> stderr, 'OSM file *.pbf is missing in %s' % default['SETTINGS']
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exit()
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if not self.osm_file:
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msg = 'OSM file *.pbf is missing in %s' % self.default['SETTINGS']
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self.error(msg)
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if not mapping_file:
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print >> stderr, 'Mapping file *.json is missing in %s' % default['SETTINGS']
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exit()
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if not self.mapping_file:
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msg = 'Mapping file *.json is missing in %s' % self.default['SETTINGS']
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self.error(msg)
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if not post_import_file:
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print 'No *.sql detected in %s' % default['SETTINGS']
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if not self.post_import_file:
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self.info('No *.sql detected in %s' % self.default['SETTINGS'])
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else:
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print '%s detected for post import.' % post_import_file
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self.info('%s detected for post import.' % self.post_import_file)
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if not qgis_style and default['QGIS_STYLE'] == 'yes':
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print >> stderr, 'qgis_style.sql is missing in %s and QGIS_STYLE = yes.' % default['SETTINGS']
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exit()
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elif qgis_style and default['QGIS_STYLE']:
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print '%s detected for QGIS styling.' % qgis_style
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if not self.qgis_style and self.default['QGIS_STYLE'] == 'yes':
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msg = 'qgis_style.sql is missing in %s and QGIS_STYLE = yes.' % self.default['SETTINGS']
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self.error(msg)
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elif self.qgis_style and self.default['QGIS_STYLE']:
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self.info('%s detected for QGIS styling.' % self.qgis_style)
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else:
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print 'Not using QGIS default styles.'
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self.info('Not using QGIS default styles.')
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# Create the timestamp file
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file_path = join(default['SETTINGS'], 'timestamp.txt')
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# In docker-compose, we should wait for the DB is ready.
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self.info('The checkup is OK. The container will continue soon, after the database.')
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sleep(45)
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def create_timestamp(self):
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file_path = join(self.default['SETTINGS'], 'timestamp.txt')
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timestamp_file = open(file_path, 'w')
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timestamp_file.write('UNDEFINED\n')
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timestamp_file.close()
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# In docker-compose, we should wait for the DB is ready.
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print 'The checkup is OK. The container will continue soon, after the database.'
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sleep(45)
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# Check postgis.
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try:
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connection = connect(
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"dbname='%s' user='%s' host='%s' password='%s'" % (
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default['DATABASE'],
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default['USER'],
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default['HOST'],
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default['PASSWORD']))
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cursor = connection.cursor()
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except OperationalError as e:
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print >> stderr, e
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exit()
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postgis_uri = 'postgis://%s:%s@%s/%s' % (
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default['USER'],
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default['PASSWORD'],
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default['HOST'],
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default['DATABASE'])
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# Check if there is a table starting with 'osm_'
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sql = 'select count(*) ' \
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'from information_schema.tables ' \
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'where table_name like \'osm_%\';'
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# noinspection PyUnboundLocalVariable
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cursor.execute(sql)
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osm_tables = cursor.fetchone()[0]
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if osm_tables < 1:
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# It means that the DB is empty. Let's import the PBF file.
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command = ['imposm3', 'import', '-diff', '-deployproduction']
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command += ['-overwritecache', '-cachedir', default['CACHE']]
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command += ['-srid', default['SRID']]
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command += ['-dbschema-production', default['DBSCHEMA_PRODUCTION']]
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command += ['-dbschema-import', default['DBSCHEMA_IMPORT']]
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command += ['-dbschema-backup', default['DBSCHEMA_BACKUP']]
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command += ['-diffdir', default['SETTINGS']]
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command += ['-mapping', mapping_file]
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command += ['-read', osm_file]
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command += ['-write', '-connection', postgis_uri]
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print 'The database is empty. Let\'s import the PBF : %s' % osm_file
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print ' '.join(command)
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if not call(command) == 0:
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print >> stderr, 'An error occured in imposm with the original file.'
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exit()
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else:
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print 'Import PBF successful : %s' % osm_file
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if post_import_file or qgis_style:
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# Set the password for psql
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environ['PGPASSWORD'] = default['PASSWORD']
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if post_import_file:
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print 'Running the post import SQL file.'
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command = ['psql']
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command += ['-h', default['HOST']]
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command += ['-U', default['USER']]
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command += ['-d', default['DATABASE']]
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command += ['-f', post_import_file]
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call(command)
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if qgis_style:
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'Installing QGIS styles.'
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command = ['psql']
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command += ['-h', default['HOST']]
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command += ['-U', default['USER']]
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command += ['-d', default['DATABASE']]
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command += ['-f', qgis_style]
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call(command)
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else:
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print 'The database is not empty. Let\'s import only diff files.'
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# Finally launch the listening process.
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while True:
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import_queue = sorted(listdir(default['IMPORT_QUEUE']))
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if len(import_queue) > 0:
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for diff in import_queue:
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print 'Importing diff %s' % diff
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command = ['imposm3', 'diff']
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command += ['-cachedir', default['CACHE']]
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command += ['-dbschema-production', default['DBSCHEMA_PRODUCTION']]
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command += ['-dbschema-import', default['DBSCHEMA_IMPORT']]
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command += ['-dbschema-backup', default['DBSCHEMA_BACKUP']]
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command += ['-srid', default['SRID']]
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command += ['-diffdir', default['SETTINGS']]
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command += ['-mapping', mapping_file]
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command += ['-connection', postgis_uri]
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command += [join(default['IMPORT_QUEUE'], diff)]
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print ' '.join(command)
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if call(command) == 0:
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move(
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join(default['IMPORT_QUEUE'], diff),
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join(default['IMPORT_DONE'], diff))
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# Update the timestamp in the file.
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database_timestamp = diff.split('.')[0].split('->-')[1]
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file_path = join(default['SETTINGS'], 'timestamp.txt')
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def update_timestamp(self, database_timestamp):
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file_path = join(self.default['SETTINGS'], 'timestamp.txt')
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timestamp_file = open(file_path, 'w')
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timestamp_file.write('%s\n' % database_timestamp)
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timestamp_file.close()
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print 'Import diff successful : %s' % diff
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else:
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print >> stderr, 'An error occured in imposm with a diff.'
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def check_postgis(self):
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try:
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connection = connect(
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"dbname='%s' user='%s' host='%s' password='%s'" % (
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self.default['DATABASE'],
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self.default['USER'],
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self.default['HOST'],
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self.default['PASSWORD']))
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self.cursor = connection.cursor()
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except OperationalError as e:
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print >> stderr, e
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exit()
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if len(listdir(default['IMPORT_QUEUE'])) == 0:
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print 'Sleeping for %s seconds.' % default['TIME']
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sleep(float(default['TIME']))
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self.postgis_uri = 'postgis://%s:%s@%s/%s' % (
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self.default['USER'],
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self.default['PASSWORD'],
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self.default['HOST'],
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self.default['DATABASE'])
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def import_custom_sql(self):
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self.info('Running the post import SQL file.')
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command = ['psql']
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command += ['-h', self.default['HOST']]
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command += ['-U', self.default['USER']]
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command += ['-d', self.default['DATABASE']]
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command += ['-f', self.post_import_file]
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call(command)
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def import_qgis_styles(self):
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self.info('Installing QGIS styles.')
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command = ['psql']
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command += ['-h', self.default['HOST']]
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command += ['-U', self.default['USER']]
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command += ['-d', self.default['DATABASE']]
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command += ['-f', self.qgis_style]
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call(command)
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def count_table(self, name):
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"""Check if there is a table starting with name."""
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sql = 'select count(*) ' \
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'from information_schema.tables ' \
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'where table_name like \'%s\';' % name
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# noinspection PyUnboundLocalVariable
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self.cursor.execute(sql)
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return self.cursor.fetchone()[0]
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def run(self):
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osm_tables = self.count_table('osm_%')
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if osm_tables < 1:
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# It means that the DB is empty. Let's import the PBF file.
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self._first_pbf_import()
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else:
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self.info('The database is not empty. Let\'s import only diff files.')
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self._import_diff()
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def _first_pbf_import(self):
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command = ['imposm3', 'import', '-diff', '-deployproduction']
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command += ['-overwritecache', '-cachedir', self.default['CACHE']]
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command += ['-srid', self.default['SRID']]
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command += ['-dbschema-production',
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self.default['DBSCHEMA_PRODUCTION']]
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command += ['-dbschema-import', self.default['DBSCHEMA_IMPORT']]
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command += ['-dbschema-backup', self.default['DBSCHEMA_BACKUP']]
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command += ['-diffdir', self.default['SETTINGS']]
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command += ['-mapping', self.mapping_file]
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command += ['-read', self.osm_file]
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command += ['-write', '-connection', self.postgis_uri]
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self.info('The database is empty. Let\'s import the PBF : %s' % self.osm_file)
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self.info(' '.join(command))
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if not call(command) == 0:
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msg = 'An error occured in imposm with the original file.'
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self.error(msg)
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else:
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self.info('Import PBF successful : %s' % self.osm_file)
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if self.post_import_file or self.qgis_style:
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# Set the password for psql
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environ['PGPASSWORD'] = self.default['PASSWORD']
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if self.post_import_file:
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self.import_custom_sql()
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if self.qgis_style:
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self.import_qgis_styles()
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def _import_diff(self):
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# Finally launch the listening process.
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while True:
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import_queue = sorted(listdir(self.default['IMPORT_QUEUE']))
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if len(import_queue) > 0:
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for diff in import_queue:
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self.info('Importing diff %s' % diff)
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command = ['imposm3', 'diff']
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command += ['-cachedir', self.default['CACHE']]
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command += ['-dbschema-production', self.default['DBSCHEMA_PRODUCTION']]
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command += ['-dbschema-import', self.default['DBSCHEMA_IMPORT']]
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command += ['-dbschema-backup', self.default['DBSCHEMA_BACKUP']]
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command += ['-srid', self.default['SRID']]
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command += ['-diffdir', self.default['SETTINGS']]
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command += ['-mapping', self.mapping_file]
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command += ['-connection', self.postgis_uri]
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command += [join(self.default['IMPORT_QUEUE'], diff)]
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self.info(' '.join(command))
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if call(command) == 0:
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move(
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join(self.default['IMPORT_QUEUE'], diff),
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join(self.default['IMPORT_DONE'], diff))
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# Update the timestamp in the file.
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database_timestamp = diff.split('.')[0].split('->-')[1]
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self.update_timestamp(database_timestamp)
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self.info('Import diff successful : %s' % diff)
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else:
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msg = 'An error occured in imposm with a diff.'
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self.error(msg)
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if len(listdir(self.default['IMPORT_QUEUE'])) == 0:
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self.info('Sleeping for %s seconds.' % self.default['TIME'])
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sleep(float(self.default['TIME']))
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if __name__ == '__main__':
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importer = Importer()
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importer.overwrite_environment()
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importer.check_settings()
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importer.create_timestamp()
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importer.check_postgis()
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importer.run()
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|
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@ -27,8 +27,12 @@ from datetime import datetime
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from time import sleep
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from sys import stderr
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class Downloader(object):
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def __init__(self):
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# Default values which can be overwritten.
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default = {
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self.default = {
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'MAX_DAYS': '100',
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'DIFF': 'sporadic',
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'MAX_MERGE': '7',
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@ -39,101 +43,119 @@ default = {
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'SETTINGS': 'settings',
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'TIME': 120,
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}
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self.osm_file = None
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@staticmethod
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def info(message):
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print message
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@staticmethod
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def error(message):
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print >> stderr, message
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exit()
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def overwrite_environment(self):
|
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"""Overwrite default values from the environment."""
|
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for key in environ.keys():
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if key in default.keys():
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default[key] = environ[key]
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if key in self.default.keys():
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self.default[key] = environ[key]
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def check_settings(self):
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"""Perform various checking."""
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# Folders
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folders = ['IMPORT_QUEUE', 'IMPORT_DONE', 'SETTINGS']
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for folder in folders:
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if not isabs(default[folder]):
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if not isabs(self.default[folder]):
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# Get the absolute path.
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default[folder] = abspath(default[folder])
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self.default[folder] = abspath(self.default[folder])
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|
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# Test the folder
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if not exists(default[folder]):
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print >> stderr, 'The folder %s does not exist.' % default[folder]
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exit()
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if not exists(self.default[folder]):
|
||||
msg = 'The folder %s does not exist.' % self.default[folder]
|
||||
self.error(msg)
|
||||
|
||||
# Test files
|
||||
osm_file = None
|
||||
for f in listdir(default['SETTINGS']):
|
||||
for f in listdir(self.default['SETTINGS']):
|
||||
|
||||
if f.endswith('.pbf'):
|
||||
osm_file = join(default['SETTINGS'], f)
|
||||
self.osm_file = join(self.default['SETTINGS'], f)
|
||||
|
||||
"""
|
||||
# Todo : need fix custom URL and sporadic diff : daily, hourly and minutely
|
||||
if f == 'custom_url_diff.txt':
|
||||
with open(join(default['SETTINGS'], f), 'r') as content_file:
|
||||
default['BASE_URL'] = content_file.read()
|
||||
"""
|
||||
if not self.osm_file:
|
||||
msg = 'OSM file *.osm.pbf is missing in %s' % self.default['SETTINGS']
|
||||
self.error(msg)
|
||||
|
||||
if not osm_file:
|
||||
print >> stderr, 'OSM file *.osm.pbf is missing in %s' % default['SETTINGS']
|
||||
exit()
|
||||
|
||||
# In docker-compose, we should wait for the DB is ready.
|
||||
print 'The checkup is OK. The container will continue soon, after the database.'
|
||||
self.info('The checkup is OK. The container will continue soon, after the database.')
|
||||
sleep(45)
|
||||
|
||||
# Finally launch the listening process.
|
||||
while True:
|
||||
def _check_latest_timestamp(self):
|
||||
"""Fetch the latest timestamp."""
|
||||
# Check if diff to be imported is empty. If not, take the latest diff.
|
||||
diff_to_be_imported = sorted(listdir(default['IMPORT_QUEUE']))
|
||||
diff_to_be_imported = sorted(listdir(self.default['IMPORT_QUEUE']))
|
||||
if len(diff_to_be_imported):
|
||||
file_name = diff_to_be_imported[-1].split('.')[0]
|
||||
timestamp = file_name.split('->-')[1]
|
||||
print 'Timestamp from the latest not imported diff : %s' % timestamp
|
||||
self.info('Timestamp from the latest not imported diff : %s' % timestamp)
|
||||
else:
|
||||
# Check if imported diff is empty. If not, take the latest diff.
|
||||
imported_diff = sorted(listdir(default['IMPORT_DONE']))
|
||||
imported_diff = sorted(listdir(self.default['IMPORT_DONE']))
|
||||
if len(imported_diff):
|
||||
file_name = imported_diff[-1].split('.')[0]
|
||||
timestamp = file_name.split('->-')[1]
|
||||
print 'Timestamp from the latest imported diff : %s' % timestamp
|
||||
self.info('Timestamp from the latest imported diff : %s' % timestamp)
|
||||
|
||||
else:
|
||||
# Take the timestamp from original file.
|
||||
command = ['osmconvert', osm_file, '--out-timestamp']
|
||||
processus = Popen(command, stdin=PIPE, stdout=PIPE, stderr=PIPE)
|
||||
command = ['osmconvert', self.osm_file, '--out-timestamp']
|
||||
processus = Popen(
|
||||
command, stdin=PIPE, stdout=PIPE, stderr=PIPE)
|
||||
timestamp, err = processus.communicate()
|
||||
|
||||
# Remove new line
|
||||
timestamp = timestamp.strip()
|
||||
|
||||
print 'Timestamp from the original state file : %s' % timestamp
|
||||
self.info('Timestamp from the original state file : %s' % timestamp)
|
||||
|
||||
# Removing some \ in the timestamp.
|
||||
timestamp = timestamp.replace('\\', '')
|
||||
return timestamp
|
||||
|
||||
def download(self):
|
||||
"""Infinite loop to download diff files on a regular interval."""
|
||||
while True:
|
||||
timestamp = self._check_latest_timestamp()
|
||||
|
||||
# Save time
|
||||
current_time = datetime.utcnow().strftime('%Y-%m-%dT%H:%M:%SZ')
|
||||
print 'Old time : %s' % timestamp
|
||||
print 'Current time : %s' % current_time
|
||||
self.info('Old time : %s' % timestamp)
|
||||
self.info('Current time : %s' % current_time)
|
||||
|
||||
# Destination
|
||||
file_name = '%s->-%s.osc.gz' % (timestamp, current_time)
|
||||
file_path = join(default['IMPORT_QUEUE'], file_name)
|
||||
file_path = join(self.default['IMPORT_QUEUE'], file_name)
|
||||
|
||||
# Command
|
||||
command = ['osmupdate', '-v']
|
||||
command += ['--max-days=' + default['MAX_DAYS']]
|
||||
command += [default['DIFF']]
|
||||
command += ['--max-merge=' + default['MAX_MERGE']]
|
||||
command += ['--compression-level=' + default['COMPRESSION_LEVEL']]
|
||||
command += ['--base-url=' + default['BASE_URL']]
|
||||
command += ['--max-days=' + self.default['MAX_DAYS']]
|
||||
command += [self.default['DIFF']]
|
||||
command += ['--max-merge=' + self.default['MAX_MERGE']]
|
||||
command += ['--compression-level=' + self.default['COMPRESSION_LEVEL']]
|
||||
command += ['--base-url=' + self.default['BASE_URL']]
|
||||
command.append(timestamp)
|
||||
command.append(file_path)
|
||||
|
||||
print ' '.join(command)
|
||||
self.info(' '.join(command))
|
||||
if call(command) != 0:
|
||||
print >> stderr, 'An error occured in osmupdate. Let\'s try again.'
|
||||
self.info('An error occured in osmupdate. Let\'s try again.')
|
||||
# Sleep less.
|
||||
print 'Sleeping for 2 seconds.'
|
||||
self.info('Sleeping for 2 seconds.')
|
||||
sleep(2.0)
|
||||
else:
|
||||
# Everything was fine, let's sleeping.
|
||||
print 'Sleeping for %s seconds.' % default['TIME']
|
||||
sleep(float(default['TIME']))
|
||||
self.info('Sleeping for %s seconds.' % self.default['TIME'])
|
||||
sleep(float(self.default['TIME']))
|
||||
|
||||
if __name__ == '__main__':
|
||||
downloader = Downloader()
|
||||
downloader.overwrite_environment()
|
||||
downloader.check_settings()
|
||||
downloader.download()
|
||||
|
|
|
|||
Ładowanie…
Reference in New Issue