mirror of
https://github.com/osm-search/Nominatim.git
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333 lines
13 KiB
Python
333 lines
13 KiB
Python
# SPDX-License-Identifier: GPL-2.0-only
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#
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# This file is part of Nominatim. (https://nominatim.org)
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#
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# Copyright (C) 2022 by the Nominatim developer community.
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# For a full list of authors see the git log.
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from pathlib import Path
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import sys
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import tempfile
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import psycopg2
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import psycopg2.extras
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sys.path.insert(1, str((Path(__file__) / '..' / '..' / '..' / '..').resolve()))
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from nominatim import cli
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from nominatim.config import Configuration
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from nominatim.db.connection import _Connection
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from nominatim.tools import refresh
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from nominatim.tokenizer import factory as tokenizer_factory
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from steps.utils import run_script
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class NominatimEnvironment:
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""" Collects all functions for the execution of Nominatim functions.
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"""
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def __init__(self, config):
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self.build_dir = Path(config['BUILDDIR']).resolve()
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self.src_dir = (Path(__file__) / '..' / '..' / '..' / '..').resolve()
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self.db_host = config['DB_HOST']
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self.db_port = config['DB_PORT']
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self.db_user = config['DB_USER']
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self.db_pass = config['DB_PASS']
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self.template_db = config['TEMPLATE_DB']
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self.test_db = config['TEST_DB']
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self.api_test_db = config['API_TEST_DB']
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self.api_test_file = config['API_TEST_FILE']
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self.tokenizer = config['TOKENIZER']
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self.server_module_path = config['SERVER_MODULE_PATH']
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self.reuse_template = not config['REMOVE_TEMPLATE']
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self.keep_scenario_db = config['KEEP_TEST_DB']
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self.code_coverage_path = config['PHPCOV']
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self.code_coverage_id = 1
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self.default_config = Configuration(None, self.src_dir / 'settings').get_os_env()
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self.test_env = None
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self.template_db_done = False
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self.api_db_done = False
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self.website_dir = None
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def connect_database(self, dbname):
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""" Return a connection to the database with the given name.
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Uses configured host, user and port.
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"""
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dbargs = {'database': dbname}
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if self.db_host:
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dbargs['host'] = self.db_host
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if self.db_port:
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dbargs['port'] = self.db_port
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if self.db_user:
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dbargs['user'] = self.db_user
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if self.db_pass:
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dbargs['password'] = self.db_pass
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conn = psycopg2.connect(connection_factory=_Connection, **dbargs)
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return conn
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def next_code_coverage_file(self):
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""" Generate the next name for a coverage file.
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"""
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fn = Path(self.code_coverage_path) / "{:06d}.cov".format(self.code_coverage_id)
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self.code_coverage_id += 1
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return fn.resolve()
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def write_nominatim_config(self, dbname):
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""" Set up a custom test configuration that connects to the given
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database. This sets up the environment variables so that they can
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be picked up by dotenv and creates a project directory with the
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appropriate website scripts.
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"""
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dsn = 'pgsql:dbname={}'.format(dbname)
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if self.db_host:
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dsn += ';host=' + self.db_host
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if self.db_port:
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dsn += ';port=' + self.db_port
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if self.db_user:
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dsn += ';user=' + self.db_user
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if self.db_pass:
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dsn += ';password=' + self.db_pass
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if self.website_dir is not None \
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and self.test_env is not None \
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and dsn == self.test_env['NOMINATIM_DATABASE_DSN']:
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return # environment already set uo
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self.test_env = dict(self.default_config)
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self.test_env['NOMINATIM_DATABASE_DSN'] = dsn
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self.test_env['NOMINATIM_FLATNODE_FILE'] = ''
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self.test_env['NOMINATIM_IMPORT_STYLE'] = 'full'
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self.test_env['NOMINATIM_USE_US_TIGER_DATA'] = 'yes'
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self.test_env['NOMINATIM_DATADIR'] = str((self.src_dir / 'data').resolve())
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self.test_env['NOMINATIM_SQLDIR'] = str((self.src_dir / 'lib-sql').resolve())
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self.test_env['NOMINATIM_CONFIGDIR'] = str((self.src_dir / 'settings').resolve())
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self.test_env['NOMINATIM_DATABASE_MODULE_SRC_PATH'] = str((self.build_dir / 'module').resolve())
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self.test_env['NOMINATIM_OSM2PGSQL_BINARY'] = str((self.build_dir / 'osm2pgsql' / 'osm2pgsql').resolve())
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self.test_env['NOMINATIM_NOMINATIM_TOOL'] = str((self.build_dir / 'nominatim').resolve())
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if self.tokenizer is not None:
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self.test_env['NOMINATIM_TOKENIZER'] = self.tokenizer
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if self.server_module_path:
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self.test_env['NOMINATIM_DATABASE_MODULE_PATH'] = self.server_module_path
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else:
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# avoid module being copied into the temporary environment
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self.test_env['NOMINATIM_DATABASE_MODULE_PATH'] = str((self.build_dir / 'module').resolve())
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if self.website_dir is not None:
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self.website_dir.cleanup()
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self.website_dir = tempfile.TemporaryDirectory()
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try:
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conn = self.connect_database(dbname)
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except:
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conn = False
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refresh.setup_website(Path(self.website_dir.name) / 'website',
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self.get_test_config(), conn)
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def get_test_config(self):
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cfg = Configuration(Path(self.website_dir.name), self.src_dir / 'settings',
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environ=self.test_env)
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cfg.set_libdirs(module=self.build_dir / 'module',
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osm2pgsql=self.build_dir / 'osm2pgsql' / 'osm2pgsql',
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php=self.src_dir / 'lib-php',
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sql=self.src_dir / 'lib-sql',
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data=self.src_dir / 'data')
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return cfg
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def get_libpq_dsn(self):
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dsn = self.test_env['NOMINATIM_DATABASE_DSN']
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def quote_param(param):
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key, val = param.split('=')
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val = val.replace('\\', '\\\\').replace("'", "\\'")
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if ' ' in val:
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val = "'" + val + "'"
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return key + '=' + val
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if dsn.startswith('pgsql:'):
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# Old PHP DSN format. Convert before returning.
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return ' '.join([quote_param(p) for p in dsn[6:].split(';')])
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return dsn
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def db_drop_database(self, name):
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""" Drop the database with the given name.
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"""
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conn = self.connect_database('postgres')
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conn.set_isolation_level(0)
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cur = conn.cursor()
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cur.execute('DROP DATABASE IF EXISTS {}'.format(name))
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conn.close()
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def setup_template_db(self):
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""" Setup a template database that already contains common test data.
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Having a template database speeds up tests considerably but at
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the price that the tests sometimes run with stale data.
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"""
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if self.template_db_done:
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return
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self.template_db_done = True
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if self._reuse_or_drop_db(self.template_db):
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return
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self.write_nominatim_config(self.template_db)
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try:
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# execute nominatim import on an empty file to get the right tables
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with tempfile.NamedTemporaryFile(dir='/tmp', suffix='.xml') as fd:
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fd.write(b'<osm version="0.6"></osm>')
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fd.flush()
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self.run_nominatim('import', '--osm-file', fd.name,
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'--osm2pgsql-cache', '1',
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'--ignore-errors')
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except:
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self.db_drop_database(self.template_db)
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raise
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def setup_api_db(self):
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""" Setup a test against the API test database.
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"""
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self.write_nominatim_config(self.api_test_db)
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if not self.api_db_done:
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self.api_db_done = True
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if not self._reuse_or_drop_db(self.api_test_db):
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testdata = Path('__file__') / '..' / '..' / 'testdb'
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self.test_env['NOMINATIM_WIKIPEDIA_DATA_PATH'] = str(testdata.resolve())
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try:
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self.run_nominatim('import', '--osm-file', str(self.api_test_file))
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self.run_nominatim('add-data', '--tiger-data', str((testdata / 'tiger').resolve()))
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self.run_nominatim('freeze')
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if self.tokenizer != 'icu':
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phrase_file = str((testdata / 'specialphrases_testdb.sql').resolve())
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run_script(['psql', '-d', self.api_test_db, '-f', phrase_file])
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else:
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csv_path = str((testdata / 'full_en_phrases_test.csv').resolve())
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self.run_nominatim('special-phrases', '--import-from-csv', csv_path)
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except:
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self.db_drop_database(self.api_test_db)
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raise
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tokenizer_factory.create_tokenizer(self.get_test_config(), init_db=False)
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def setup_unknown_db(self):
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""" Setup a test against a non-existing database.
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"""
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# The tokenizer needs an existing database to function.
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# So start with the usual database
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class _Context:
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db = None
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context = _Context()
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self.setup_db(context)
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tokenizer_factory.create_tokenizer(self.get_test_config(), init_db=False)
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# Then drop the DB again
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self.teardown_db(context, force_drop=True)
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def setup_db(self, context):
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""" Setup a test against a fresh, empty test database.
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"""
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self.setup_template_db()
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conn = self.connect_database(self.template_db)
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conn.set_isolation_level(0)
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cur = conn.cursor()
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cur.execute('DROP DATABASE IF EXISTS {}'.format(self.test_db))
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cur.execute('CREATE DATABASE {} TEMPLATE = {}'.format(self.test_db, self.template_db))
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conn.close()
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self.write_nominatim_config(self.test_db)
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context.db = self.connect_database(self.test_db)
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context.db.autocommit = True
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psycopg2.extras.register_hstore(context.db, globally=False)
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def teardown_db(self, context, force_drop=False):
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""" Remove the test database, if it exists.
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"""
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if hasattr(context, 'db'):
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context.db.close()
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if force_drop or not self.keep_scenario_db:
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self.db_drop_database(self.test_db)
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def _reuse_or_drop_db(self, name):
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""" Check for the existance of the given DB. If reuse is enabled,
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then the function checks for existance and returns True if the
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database is already there. Otherwise an existing database is
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dropped and always false returned.
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"""
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if self.reuse_template:
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conn = self.connect_database('postgres')
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with conn.cursor() as cur:
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cur.execute('select count(*) from pg_database where datname = %s',
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(name,))
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if cur.fetchone()[0] == 1:
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return True
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conn.close()
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else:
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self.db_drop_database(name)
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return False
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def reindex_placex(self, db):
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""" Run the indexing step until all data in the placex has
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been processed. Indexing during updates can produce more data
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to index under some circumstances. That is why indexing may have
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to be run multiple times.
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"""
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with db.cursor() as cur:
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while True:
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self.run_nominatim('index')
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cur.execute("SELECT 'a' FROM placex WHERE indexed_status != 0 LIMIT 1")
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if cur.rowcount == 0:
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return
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def run_nominatim(self, *cmdline):
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""" Run the nominatim command-line tool via the library.
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"""
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if self.website_dir is not None:
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cmdline = list(cmdline) + ['--project-dir', self.website_dir.name]
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cli.nominatim(module_dir='',
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osm2pgsql_path=str(self.build_dir / 'osm2pgsql' / 'osm2pgsql'),
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phplib_dir=str(self.src_dir / 'lib-php'),
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sqllib_dir=str(self.src_dir / 'lib-sql'),
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data_dir=str(self.src_dir / 'data'),
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config_dir=str(self.src_dir / 'settings'),
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cli_args=cmdline,
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phpcgi_path='',
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environ=self.test_env)
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def copy_from_place(self, db):
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""" Copy data from place to the placex and location_property_osmline
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tables invoking the appropriate triggers.
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"""
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self.run_nominatim('refresh', '--functions', '--no-diff-updates')
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with db.cursor() as cur:
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cur.execute("""INSERT INTO placex (osm_type, osm_id, class, type,
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name, admin_level, address,
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extratags, geometry)
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SELECT osm_type, osm_id, class, type,
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name, admin_level, address,
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extratags, geometry
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FROM place
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WHERE not (class='place' and type='houses' and osm_type='W')""")
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cur.execute("""INSERT INTO location_property_osmline (osm_id, address, linegeo)
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SELECT osm_id, address, geometry
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FROM place
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WHERE class='place' and type='houses'
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and osm_type='W'
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and ST_GeometryType(geometry) = 'ST_LineString'""")
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