mirror of
https://github.com/osm-search/Nominatim.git
synced 2024-12-23 13:06:15 +03:00
247 lines
8.3 KiB
Python
247 lines
8.3 KiB
Python
from lettuce import *
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from nose.tools import *
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import logging
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import os
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import subprocess
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import psycopg2
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import re
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from haversine import haversine
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from shapely.wkt import loads as wkt_load
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from shapely.ops import linemerge
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logger = logging.getLogger(__name__)
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class NominatimConfig:
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def __init__(self):
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# logging setup
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loglevel = getattr(logging, os.environ.get('LOGLEVEL','info').upper())
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if 'LOGFILE' in os.environ:
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logging.basicConfig(filename=os.environ.get('LOGFILE','run.log'),
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level=loglevel)
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else:
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logging.basicConfig(level=loglevel)
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# Nominatim test setup
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self.base_url = os.environ.get('NOMINATIM_SERVER', 'http://localhost/nominatim')
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self.source_dir = os.path.abspath(os.environ.get('NOMINATIM_DIR', '..'))
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self.template_db = os.environ.get('TEMPLATE_DB', 'test_template_nominatim')
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self.test_db = os.environ.get('TEST_DB', 'test_nominatim')
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self.local_settings_file = os.environ.get('NOMINATIM_SETTINGS', '/tmp/nominatim_settings.php')
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self.reuse_template = 'NOMINATIM_REUSE_TEMPLATE' in os.environ
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self.keep_scenario_db = 'NOMINATIM_KEEP_SCENARIO_DB' in os.environ
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os.environ['NOMINATIM_SETTINGS'] = '/tmp/nominatim_settings.php'
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scriptpath = os.path.dirname(os.path.abspath(__file__))
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self.scene_path = os.environ.get('SCENE_PATH',
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os.path.join(scriptpath, '..', 'scenes', 'data'))
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def __str__(self):
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return 'Server URL: %s\nSource dir: %s\n' % (self.base_url, self.source_dir)
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world.config = NominatimConfig()
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@world.absorb
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def write_nominatim_config(dbname):
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f = open(world.config.local_settings_file, 'w')
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f.write("<?php\n @define('CONST_Database_DSN', 'pgsql://@/%s');\n" % dbname)
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f.close()
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@world.absorb
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def run_nominatim_script(script, *args):
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cmd = [os.path.join(world.config.source_dir, 'utils', '%s.php' % script)]
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cmd.extend(['--%s' % x for x in args])
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proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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(outp, outerr) = proc.communicate()
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assert (proc.returncode == 0), "Script '%s' failed:\n%s\n%s\n" % (script, outp, outerr)
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@world.absorb
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def make_hash(inp):
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return eval('{' + inp + '}')
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@world.absorb
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def split_id(oid):
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""" Splits a unique identifier for places into its components.
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As place_ids cannot be used for testing, we use a unique
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identifier instead that is of the form <osmtype><osmid>[:class].
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"""
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oid = oid.strip()
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if oid == 'None':
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return None, None, None
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osmtype = oid[0]
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assert_in(osmtype, ('R','N','W'))
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if ':' in oid:
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osmid, cls = oid[1:].split(':')
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return (osmtype, int(osmid), cls)
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else:
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return (osmtype, int(oid[1:]), None)
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@world.absorb
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def get_placeid(oid):
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""" Tries to retrive the place_id for a unique identifier. """
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if oid[0].isdigit():
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return int(oid)
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osmtype, osmid, cls = world.split_id(oid)
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if osmtype is None:
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return None
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cur = world.conn.cursor()
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if cls is None:
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q = 'SELECT place_id FROM placex where osm_type = %s and osm_id = %s'
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params = (osmtype, osmid)
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else:
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q = 'SELECT place_id FROM placex where osm_type = %s and osm_id = %s and class = %s'
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params = (osmtype, osmid, cls)
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cur.execute(q, params)
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assert_equals (cur.rowcount, 1)
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return cur.fetchone()[0]
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@world.absorb
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def match_geometry(coord, matchstring):
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m = re.match(r'([-0-9.]+),\s*([-0-9.]+)\s*(?:\+-([0-9.]+)([a-z]+)?)?', matchstring)
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assert_is_not_none(m, "Invalid match string")
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logger.debug("Distmatch: %s/%s %s %s" % (m.group(1), m.group(2), m.group(3), m.group(4) ))
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dist = haversine(coord, (float(m.group(1)), float(m.group(2))))
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if m.group(3) is not None:
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expdist = float(m.group(3))
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if m.group(4) is not None:
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if m.group(4) == 'm':
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expdist = expdist/1000
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elif m.group(4) == 'km':
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pass
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else:
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raise Exception("Unknown unit '%s' in geometry match" % (m.group(4), ))
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else:
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expdist = 0
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logger.debug("Distances expected: %f, got: %f" % (expdist, dist))
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assert dist <= expdist, "Geometry too far away, expected: %f, got: %f" % (expdist, dist)
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@world.absorb
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def db_dump_table(table):
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cur = world.conn.cursor()
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cur.execute('SELECT * FROM %s' % table)
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print '<<<<<<< BEGIN OF TABLE DUMP %s' % table
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for res in cur:
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print res
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print '<<<<<<< END OF TABLE DUMP %s' % table
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@world.absorb
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def db_drop_database(name):
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conn = psycopg2.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 %s' % (name, ))
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conn.close()
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world.is_template_set_up = False
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@world.absorb
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def db_template_setup():
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""" Set up a template database, containing all tables
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but not yet any functions.
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"""
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if world.is_template_set_up:
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return
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world.is_template_set_up = True
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world.write_nominatim_config(world.config.template_db)
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if world.config.reuse_template:
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# check that the template is there
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conn = psycopg2.connect(database='postgres')
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cur = conn.cursor()
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cur.execute('select count(*) from pg_database where datname = %s',
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(world.config.template_db,))
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if cur.fetchone()[0] == 1:
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return
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else:
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# just in case... make sure a previous table has been dropped
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world.db_drop_database(world.config.template_db)
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# call the first part of database setup
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world.run_nominatim_script('setup', 'create-db', 'setup-db')
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# remove external data to speed up indexing for tests
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conn = psycopg2.connect(database=world.config.template_db)
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psycopg2.extras.register_hstore(conn, globally=False, unicode=True)
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cur = conn.cursor()
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for table in ('gb_postcode', 'us_postcode', 'us_state', 'us_statecounty'):
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cur.execute('TRUNCATE TABLE %s' % (table,))
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conn.commit()
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conn.close()
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# execute osm2pgsql on an empty file to get the right tables
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osm2pgsql = os.path.join(world.config.source_dir, 'osm2pgsql', 'osm2pgsql')
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proc = subprocess.Popen([osm2pgsql, '-lsc', '-O', 'gazetteer', '-d', world.config.template_db, '-'],
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stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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[outstr, errstr] = proc.communicate(input='<osm version="0.6"></osm>')
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world.run_nominatim_script('setup', 'create-functions', 'create-tables', 'create-partition-tables', 'create-partition-functions', 'load-data', 'create-search-indices')
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# Leave the table around so it can be reused again after a non-reuse test round.
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#@after.all
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def db_template_teardown(total):
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""" Set up a template database, containing all tables
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but not yet any functions.
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"""
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if world.is_template_set_up:
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# remove template DB
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if not world.config.reuse_template:
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world.db_drop_database(world.config.template_db)
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try:
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os.remove(world.config.local_settings_file)
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except OSError:
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pass # ignore missing file
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##########################################################################
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#
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# Data scene handling
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#
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world.scenes = {}
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world.current_scene = None
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@world.absorb
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def load_scene(name):
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if name in world.scenes:
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world.current_scene = world.scenes[name]
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else:
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with open(os.path.join(world.config.scene_path, "%s.wkt" % name), 'r') as fd:
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scene = {}
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for line in fd:
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if line.strip():
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obj, wkt = line.split('|', 2)
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wkt = wkt.strip()
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scene[obj.strip()] = wkt_load(wkt)
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world.scenes[name] = scene
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world.current_scene = scene
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@world.absorb
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def get_scene_geometry(name):
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if not ':' in name:
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# Not a scene description
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return None
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geoms = []
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for obj in name.split('+'):
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oname = obj.strip()
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if oname.startswith(':'):
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geoms.append(world.current_scene[oname[1:]])
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else:
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scene, obj = oname.split(':', 2)
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oldscene = world.current_scene
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world.load_scene(scene)
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wkt = world.current_scene[obj]
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world.current_scene = oldscene
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geoms.append(wkt)
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if len(geoms) == 1:
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return geoms[0]
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else:
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return linemerge(geoms)
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